Motion Without Limits COMPONENTS TECHNICAL SPECIFICATIONS

Transcription

1 Motion Without Limits COMPONENTS TECHNICAL SPECIFICATIONS

2 COMPONENTS and SYSTEMS Simple, Flexible and Reliable Full assortment of wheel sizes and track Stainless Steel and Carbon Steel Special Capabilities Variety of mounting hardware and lubrication accessories High temperature, clean room compatible options Impervious to Contaminated Environments Inherent surface velocity gradient along the rolling contact area sweeps debris aside Long Travel s & Low Profile Easily joined track provides for virtually unlimited stroke lengths Thin cross section allows for significant reduction in overall system profile, all 98% available from stock Smooth, Antifriction Operation = Low Noise/Low Vibration Exhibits up to 50% lower noise than round or square rail recirculating ball guides Speeds in excess of 8 meters per second and accelerations in excess of 3 g s Easy Installation and Maintenance Fit up adjustment is accomplished via simple rotation of eccentric DualVee hardware Operable without lubrication in applications where the use of grease or oil is prohibitive Lubricators and wheel covers allow for long relubrication intervals No Machining Required = Low Installation Cost Compared to square and round rail recirculating ball guides, DualVee is the guidance technology with the lowest installed cost (no ground surfaces required; N grade accuracies are achievable with machined reference edges).

3 Motion Without Limits TM Guided Motion Technology From Bishop-Wisecarver Corporation Since inception in 1967, DualVee Motion Technology (DMT) has become one of the most popular guided motion products on the market, primarily as a result of its low cost and ease of installation. This catalog is an introduction to the newly expanded DualVee product line. With an increased range of sizes and accessories, DMT makes guided linear motion design more versatile than ever before. From factory automation projects to OEM designs, DMT components, assemblies, and guides provide the design flexibility and the desired level of integration for virtually any guided motion project. Based on the DualVee guide wheel, DMT offers a level of reliability unmatched in the industry, especially with the wide range of environments in which it can be employed. Dirt, dust, metal chips, wood chips, textile fiber, slurry, deionized water, vacuum, clean room, or high temperature DMT is the toughest and most reliable antifriction linear guide technology. Contact our Sales Engineering team for advice on special environments. Product Overview Product Categories and Uses Components Linear Guides Actuated Linear Systems Specifications Components Guide Wheel Overview Guide Wheels Studded Guide Wheels Single Edge Track Double Edge Track Bushings and Journals Support Bushings Journals Wheel Covers Lubricators Technical Reference Mounting Dimensions/Formula Load/Life Relationship Wheel Load Capacities Lubrication Track Splicing Considerations Accuracy Track Hardening Contamination/Wear Resistance Fit Up Wash Down Environments Clean Room Products High Temperature Products Conversion Factors About Bishop-Wisecarver Application Data Sheet Bishop-Wisecarver Corporation All rights reserved

4 COMPONENTS PRODUCT OVERVIEW Lubricators - page 20 Includes 303 stainless steel housing with a vial of oil, felt inserts and appropriately sized mounting fasteners Dispenses a thin film of oil along track Vee ways, maximizing service life, load capacity, and linear velocity Minimizes coefficient of friction Minimizes corrosion and wear of load bearing contact surfaces Available in two height configurations for design flexibility DualVee Guide Wheels Double row angular contact bearings offer good load carrying capacity in all orientations Sensitive rolling elements are isolated from the environment and protected from contaminants (alternative recirculating ball technologies have rolling elements in contact with the rail, making sealing problematic) Several sizes to choose from to accommodate envelope and load carrying requirements DualVee Single Edge Track With Patented Mounting Shoulder pages Complete mounting versatility Mounting against a machined register ensures accurate positioning of rails Thin cross section makes track compliant, assuring optimal installed accuracy (straightness and flatness of travel) Allows for spacing of track pairs to accommodate heavy roll moments Available in 1045 carbon steel and 420 stainless steel from stock Available as formed or induction hardened at the Vee way surfaces Custom plating options include black oxide, thin dense chrome, electroless nickel, or zinc 2 Bishop-Wisecarver Corporation All rights reserved

5 Motion Without Limits TM DualVee Wheel Plate Assembly Wheel plate assembly is available preassembled, including four DualVee guide wheels and mounting hardware, ready for installation Optional wheel covers or lubricators maximize service life High strength, lightweight anodized aluminum plate can be modified to accommodate design specific requirements Two eccentric wheels mounted opposite two concentrics allow for easy fit up adjustment For additional information refer to the BWC LoPro Catalog. Bushings / Journals / Fasteners - pages Available in eccentric or concentric for system fit up adjustability Bushings allow for customer specified fastener of varying material, head style, or length Journals incorporate bushing and fastener into a single element, and allow for fit up adjustment to be made from the top side of the carriage plate Track Base Aluminum base is easily modified Unlimited mounting options for wheel and track components Can be fabricated by customer or furnished complete by BWC For additional information refer to the BWC LoPro Catalog. Wheel Covers - pages Includes polymer housing, a vial of oil, felt inserts, and appropriate mounting hardware Dispenses a thin film of oil along track Vee way surfaces while protecting wheel track interface from debris Maximizes service life, load capacity, and linear velocity Minimizes coefficient of friction Minimizes corrosion and wear of load bearing contact surfaces Available in two height configurations, standard and low profile Covers rolling element contact surface satisfying safety requirements Reduction or elimination of possible pinch points 3 Bishop-Wisecarver Corporation All rights reserved

6 Product COMPONENTS Categories and Uses Three Major DualVee Categories: Components Linear Guides Actuated Linear Systems DualVee products are available in various configurations, and are primarily characterized by their level of integration. Components Linear Guides DualVee componentry offers the ultimate in design flexibility for ground up linear motion design projects Choose from a variety of guide wheel, track, and mounting hardware configurations Accessories include wheel covers and lubricators Material options include stainless steel and carbon steel DualVee track is available with optional black oxide finish, thin dense chrome plating, or electroless nickel plating (other platings and treatments are available consult BWC Applications Engineering) New materials and configurations are constantly under development (consult BWC Applications Engineering) Stand-alone linear guides consist of pre-matched carriage and track assemblies Eliminates the design work associated with component integration Linear guides are easy to specify and install Bill of material control is simplified and the number of purchased items is consolidated Wheel plate asssemblies come complete with adjustable wheel to track fit up and options such as wheel covers or lubricators Standard prematched linear guides include either a 4-wheeled or a 3-wheeled carriage assembly, both using DualVee componentry Mating track assemblies are available in standard lengths with various options For more information refer to BWC UtiliTrak Catalog. 4 Bishop-Wisecarver Corporation All rights reserved

7 Motion Without Limits TM Gantry cutter design using DualVee guide wheels and track support the cutting head motion across the gantry beam. Actuated Linear Systems Multi-Industry Applications Actuated linear systems are the integration of a linear guide with a linear actuator Minimizes the integration design effort with minimal lead time (typical lead time: 2 weeks or less) Further reduces the number of elements within a machine design s bill of materials The LoPro actuated linear system is the BWC standard; LoPro integrates a 4-wheeled DualVee wheel plate and a pre-matched track assembly with one of several standard actuator options Standard LoPro actuators include belt, chain, ball screw and lead screw New actuated linear systems are currently under development Custom engineered actuated linear systems are also possible (consult Applications Engineering) For more information refer to BWC LoPro Catalog. DualVee based linear mechanisms are popular worldwide and used throughout a broad range of industries: Machine tool Laboratory equipment Automotive production equipment Biomedical equipment Electronics assembly equipment Food processing General industrial automation Inspection equipment Material handling equipment Non-contact machining equipment Linear slides Packaging machinery Paper processing and converting equipment Semiconductor equipment Textile machinery Wood processing Visit our website at to view specific application examples and success stories. 5 Bishop-Wisecarver Corporation All rights reserved

8 COMPONENTS Double row angular contact bearing arrangement Available in six standard sizes Stainless or carbon steel configurations available from stock Clean room compatible and high temperature configurations available from stock Available either shielded or sealed to accommodate required level of protection Either inside or outside Vee surface can be employed to support loads Guide Wheel Overview Figure 1 DualVee configurations showing use of inside and outside Vee surfaces. (Above) Figure 2 DualVee Motion Technology (left) vs. alternative recirculating bearing technologies (right). Recirculating elements in DualVee guide wheels are self-contained and isolated from the environment; rolling contact between wheel and track sweeps debris aside making DualVee ideal for use in contaminated applications Alternative round and square rail linear guides have recirculating elements directly in contact with the rail s bearing surface, making shielding of the ball path region difficult. These alternative bearing technologies often require bellows or other costly methods of protection to prevent the ingression of contaminants which leads to failure. 6 Bishop-Wisecarver Corporation All rights reserved

9 Motion Without Limits TM Guide Wheel Dimensions and Materials Dimensions 3,12 Materials Part Number Hardness Outside Diameter A Bore B 4,5 Width W 6 Inside Vee Radius MDw Inside Outside Vee Radius MDw Outside Outer Race 8 Inner Race 8 Ball 8 Retainer 1 Shield 1 Seal 2 Grease 7 Weight in Ounces W1 Rc Nylon 66 A591 None Alvania S W2 Rc Nylon 66 A591 None Alvania S W3 Rc Nylon 66 A591 None Alvania S W4 Rc Nylon 66 A591 None Alvania S W0X Rc A591 NBR Alvania S2 0 W1X Rc Nylon 66 A591 NBR Alvania S W2X Rc Nylon 66 A591 NBR Alvania S2 0.4 W3X Rc Nylon 66 A591 NBR Alvania S W4X Rc Nylon 66 A591 NBR Alvania S W4XXL Rc Nylon 66 A591 NBR Alvania S W1SSX Rc C 440C 440C Nylon NBR Alvania S2 0 W2SSX Rc C 440C 440C Nylon NBR Alvania S2 0.4 W3SSX Rc C 440C 440C Nylon NBR Alvania S W4SSX Rc C 440C 440C Nylon NBR Alvania S W4SSXXL Rc C 440C 440C Nylon NBR Alvania S2 10 W0SSCR 10 Rc C 440C 440C None Krytox W1SS227 9, 10 Rc C 440C 440C None Krytox W2SS227 9, 10 Rc C 440C 440C None Krytox W3SS227 9, 10 Rc C 440C 440C None Krytox W4SSCR 11 Rc C 440C 440C None Castrol W 90 LA MDw INSIDE A B 60 LR MDw OUTSIDE 90 Notes 1. A591 shield material (JIS SECC) is cold rolled carbon steel with electrolytic zinc coating (classified by ASTM A591), with the exception of W1 wheel shield material SPTE. 304 reflects stainless steel. 2. NBR seal material is nitrile butadiene rubber. 3. All dimensions in inches unless otherwise indicated. 4. Bore ID tolerance is , inch, except W4XL. 5. W4XL Bore ID tolerance is , inch. 6. Width tolerance is , inch. 7. Krytox GPL 227 is a DuPont product. Alvania # S2 is a Shell Oil product reflects hardened AISI bearing steel (Rc 60-62); 440C reflects hardened AISI 440C stainless steel (Rc 58-60). 9. High Temperature Compatible Heat stabilized components allow for operating temperatures to 500 F. 10. Clean Room Compatible All stainless steel components are internally lubricated with Krytox GPL Castrol Braycote Micronic 601EF. 12. Guide Wheels are manufactured to ABEC 1. 7 Bishop-Wisecarver Corporation All rights reserved

10 COMPONENTS Guide Wheel Part Number Basic Dynamic Load Rating RADIAL (N) Basic Static Load Rating RADIAL (N) Basic Dynamic Load Rating AXIAL (N) Basic Static Load Rating AXIAL (N) Basic Dynamic Load Rating RADIAL (lbf) Basic Static Load Rating RADIAL (lbf) Basic Dynamic Load Rating AXIAL (lbf) Basic Static Load Rating AXIAL (lbf) W W W W W0X W1X W2X W3X W4X W4XXL W1SSX W2SSX W3SSX W4SSX W4SSXXL W0SSCR W1SS W2SS W3SS W4SSCR NOTES 1. The BDLR (Basic Dynamic Load Rating) and BSLR (Basic Static Load Rating) are according to AFBMA STD These ratings are based on industry standard bearing calculations and are for comparison to other products as measured against the same standard. Maximum working load figures should be used for component sizing and selection. 2. Sizing and selection should be based on working load capacity ratings according to the sizing guidelines presented in the technical reference section (see load/life relationship). 3. Working load capacities reflect lubricated wheel/track interface. 4. See page 22 for further discussion on load/life relationship. Bishop-Wisecarver Corporation All rights reserved

11 Motion Without Limits TM Studded Guide Wheels DualVee Assembly Part Number Guide Wheel Offset Overall Journal Diameter Journal Thread Thread Shoulder Thickness Vee Height EC 5 H OD 2 JL TL T S 3 VH 4 HS Hex Nut & Washer N, W 6,7 Weight in Ounces SWAC0X W0X SWAC0SSCR W0SSCR M4 x 0.32 M4 SWAE0X W0X (18.8 (9.9 ( ( (3.98 mm) (2.0 mm) 11 mm SWAE0SSCR W0SSCR (0.3 mm) mm) mm) mm) mm) 0.32 SWAC1 W SWAC1X W1X 0.72 SWAC1SSX W1SSX SWAC1SS227 W1SS227 M M6 SWAE1 W1 (25.4 (15.0 (8.9 x 1 ( (5.97 mm) (2.1 mm) 12 mm SWAE1X W1X mm) mm) mm) mm) 0.72 SWAE1SSX W1SSX (0.4 mm) 0.72 SWAE1SS227 W1SS SWAC2 W SWAC2X W2X 2.64 SWAC2SSX W2SSX SWAC2SS227 W2SS227 M10 X mm M10 SWAE2 W2 (39.1 (24.9 ( ( (9.97 mm) (2.6 mm) SWAE2X W2X mm) mm) mm) mm) 2.64 SWAE2SSX W2SSX (0.6 mm) 2.64 SWAE2SS227 W2SS Thru-Hole Style DualVee guide wheels with integral stud and mounting hardware Easy installation/available from stock Consolidates multiple components into one part number, making procurement simple Choose from BWC s wide range of standard available guide wheels For larger wheel sizes in a studded configuration, contact BWC Applications Engineering H VH Ø OD TL JL N W T HS H VH Ø OD TL JL N W T HS S S Concentric Stud EC Eccentric Stud NOTES 1. Stud material is AISI 416 stainless steel. 2. Journal Diameter (OD) Tolerance is , (+0.00 mm, mm). 3. Shoulder Thickness (S) Tolerance is ±0.001 (±0.03 mm). 4. Vee Height (VH) Tolerance is ±0.002 (±0.05 mm). 5. Eccentricity (EC) Tolerance is ±0.005 (±0.13 mm). All mounting information in this catalog assumes a central position of the eccentric stud allowing adjustment from plus EC to minus EC. 6. Nuts are manufactured to DIN standard 934 (18-8 stainless steel). 7. Washers are manufactured to DIN standard 125 (18-8 stainless steel). 8. See guide wheel specifications for detailed data on wheels. 9. See load/life discussion in the technical reference section for sizing and selection information (page 22). 9 Bishop-Wisecarver Corporation All rights reserved

12 COMPONENTS Single Edge Track - Undrilled DualVee Width Height Mounting Shoulder Location Mounting Shoulder to Center Line Mounting Shoulder Depth Weight W H MDT MSC MSD (lbs./ft) T T T T AISI 1045 carbon steel hardened to a minimum of Rc 53, polished and oiled AISI 1045 carbon steel unhardened (Rc 22-25), as formed, oiled AISI 420 stainless steel hardened to a minimum of Rc 40, polished and oiled AISI 420 stainless steel unhardened (Rc 20-22), as formed, oiled Undrilled Easy installation/available from stock Single edge design allows for flexible track pair spacing Patented mounting shoulder allows for accurate positioning of Vee ways Available as formed, or induction hardened and polished Induction hardened track remains soft below the mounting shoulder, allowing for drilling or other machining Available in either AISI 1045 carbon steel or 420 stainless steel Available undrilled or pre-drilled for ease of installation Can be easily butt-joined for stroke lengths exceeding maximum single piece lengths (20 feet plus) W 90 C L MDT MSD MSC H VIRTUAL APEX 10 Notes 1. All dimensions are in inches. 2. The overall length tolerance is ±1/16 inch. 3. For non-standard track lengths or other non-standard options, contact BWC for quotation. 4. The standard available coating/plating options include black oxide, thin dense chrome, and nickel, contact BWC for quotation. 5. Maximum single piece track lengths: hardened = 20 feet, unhardened = 22 feet. Bishop-Wisecarver Corporation All rights reserved

13 Motion Without Limits TM Single Edge Track - Drilled DualVee Part Number Number of Holes End Hole Spacing Hole to Hole Spacing Hole SIze Thru (Diameter) Mounting Hole Location L 4 ES 5 HS6 MH 7 MHL T T T T T T T T T T T T T T T T T T T T T T T AISI 1045 carbon steel hardened to a minimum of Rc 53, polished and oiled AISI 1045 carbon steel unhardened (Rc 22-25), as formed, oiled AISI 420 stainless steel hardened to a minimum of Rc 40, polished and oiled AISI 420 stainless steel unhardened (Rc 20-22), as formed, oiled Drilled Notes 1. All dimensions are in inches. 2. Available coating/plating options include black oxide, thin dense chrome, and nickel. 3. Non-standard hole patterns can be accommodated. Non-standard track options are quoted upon request. 4. Overall length tolerance is ±0.015 inches (dimension L). 5. End hole spacing tolerance is ±0.005 (dimension ES). 6. Hole to hole spacing tolerance is ±0.005 non-cumulative (dimension HS). 7. Hole diameter tolerance is ±0.005 (dimension MH). 8. Mounting hole location tolerance is ±0.005 (dimension MHL). 11 Bishop-Wisecarver Corporation All rights reserved

14 COMPONENTS Double Edge Track - 0 Undrilled DualVee Part Number Width Height Mounting Shoulder Location Mounting Shoulder to Center Line Mounting Shoulder Depth Weight Condition Vee Way Surface Hardness W H MDT MSC MSD (lbs./ft) Rockwell C 0 TD Hardened Rc 53 min 0 TDS Unhardened Rc AISI 1045 carbon steel, hardened (Rc 53), polished, oiled AISI 1045 carbon steel, unhardened (Rc 22-25), as formed, oiled 0 Undrilled Double edge design ensures parallelism between Vee ways 90 Available in 1045 carbon steel (hardened and unhardened) Patented mounting shoulder allows Vee ways to be accurately positioned Available drilled or undrilled MDT VIRTUAL APEX W MSD MSC H 12 Notes 1. All dimensions are in inches. 2. The over-all length tolerance is ± 1/16 inch. 3. For non-standard track lengths or other non-standard options, contact BWC for quotation. 4. The standard available coating/plating options include black oxide, thin dense chrome, and nickel, contact BWC for quotation. 5. Maximum single piece track lengths: hardened = 20 feet; unhardened = 22 feet. Bishop-Wisecarver Corporation All rights reserved

15 Motion Without Limits TM Double Edge Track - 0 Drilled Part Number Number of Holes Vee Way Surface Condition Vee Way Surface Hardness Hole Spacing End Hole Spacing Hole (Thru) Hole Location L 4 Rockwell C HS 6 ES 5 MH 7 MHL 8 TD Hardened RC TD Minimum TD TD TD TD TDS Unhardened RC TDS TDS TDS TDS TDS Drilled No machining required, pre-drilled track is ready for immediate installation L MHL ES HS ØMH HS ES Notes 1. All dimensions are in inches. 2. Custom coating/plating options are black oxide, electroless and nickel. 3. For non-standard track lengths or other non-standard options, contact BWC for quotation. 4. The over-all length tolerance is ±0.015 inches (dimension L). 5. End hole spacing tolerance is ±0.005 inches (dimension ES). 6. Hole to hole spacing tolerance is ±0.005 inches (dimension HS). 7. Hole diameter tolerance is ±0.005 inches (dimension MH). 8. Mounting hole location tolerance is ±0.005 inches (dimension MHL). 13 Bishop-Wisecarver Corporation All rights reserved

16 COMPONENTS Bushing and Journals Bushings Rigidly affixes guide wheels to a mounting surface in a precise, orthogonal fashion Material options include 303 stainless steel or nickel plated carbon steel Concentric and eccentric configurations allow for fit up adjustment Design calls for a fastener to pass through the bushing and the guide wheel, locking the elements into place against the mounting surface Standard and low profile head height configurations are available providing flexibility in wheel height position Journals (or studs) Integrates bushing and fastener into a single piece element Provides the ability to make eccentric adjustments from the opposite side of the mounting surface for designs where access to the guide wheel is prohibitive Reduces the overall number of purchased components per guide wheel Concentric and eccentric configurations available Available in 303 stainless steel 14 Bishop-Wisecarver Corporation All rights reserved

17 Motion Without Limits TM Support Bushings Standard Profile Inch DualVee Part Number Recommended Fastener Hex Offset Head Height Body Overall Outside Diameter Inside Diameter Head Diameter HS EC HH 7 LB LO OD 3 ID 8 HD 1 B1 # BX1 # 6 7/ B2 1/ BX2 1/4 9/ B3 5/ BX3 5/16 3/ B4 3/ BX4 3/8 7/ XL B4XL 9/ BX4XL 9/16 1 1/ Weight in Ounces DualVee Part Number Recommended Fastener Hex Offset Head Height Body Overall Outside Diameter Standard Profile Metric Inside Diameter Head Diameter HS EC HH 7 LB LO OD 3 ID 8 HD 1 MB1 M MBX1 M MB2 M MBX2 M MB3 M MBX3 M MB4 M MBX4 M XL MB4XL M MBX4XL M Ø Ø Ø Ø Concentric Ø Eccentric Notes 1. All dimensions are in inches or mm. 2. Standard materials are electroless nickel plated carbon steel or 303 stainless steel. Add -SS to the end of the part number for stainless steel. 3. The bushing s outside diameter is designed to fit the corresponding size DualVee guide wheel. Outside diameter (OD) tolerance is , Part # BX_ indicates eccentric (adjustable) bushing; rotation of eccentric allows fit up adjustment between track and guide wheels. 5. All mounting information within this catalog assumes a central position of the eccentric bushing, thus allowing wheel position adjustment from +EC to -EC. 6. Part # B_ or part # MB_ indicates concentric (stationary) bushing; Since concentrically mounted wheels have a fixed position, these bushings set the alignment of the carriage assembly to the rail. Concentrically mounted wheels should be configured to carry the majority of the load whenever possible. 7. Head height (HH) tolerance is ±0.001 inches, or ±0.03 mm. 8. Inside diameter (ID) tolerance is inches, inches. 9. Inside diameter (ID) tolerance is mm mm metric, except for MB1and MBX1, which have a tolerance of +0.05mm, -0.00mm. 15 Bishop-Wisecarver Corporation All rights reserved

18 COMPONENTS Support Bushings Low Profile Inch DualVee Part Number 2 Recommended Fastener Hex Offset Head Height Body Overall Outside Diameter Inside Diameter Head Diameter HS EC HH 7 LB LO OD 3 ID 8 HD Weight in Ounces 1 1PWBC M PWBX M4 7/ PWBC 1/ PWBX 1/4 9/ PWBC 5/ PWBX 5/16 3/ PWBC 3/ PWBX 3/8 7/ XL 4XLPWBC 9/ DualVee 4XLPWBX 9/16 1 1/ Part Number 2 Recommended Fastener Hex Offset Head Height Body Overall Outside Diameter Low Profile Metric Inside Diameter Head Diameter HS EC HH 7 LB LO OD 3 ID 8 HD 1 M1PWBC M M1PWBX M M2PWBC M M2PWBX M M3PWBC M M3PWBX M M4PWBC M M4PWBX M XL M4XLPWBC M M4XLPWBX M Concentric Eccentric Notes 1. All dimensions are in inches or mm. 2. Low profile support bushings are available in 303 stainless steel only. 3. The bushing s outside diameter is designed to fit the corresponding size DualVee guide wheel. Outside diameter (OD) tolerance is , inches or mm, mm. 4. Part # _PWBX indicates eccentric (adjustable) bushing; rotation of eccentric allows fit up adjustment between track and guide wheels 5. All mounting information within this catalog assumes a central position of the eccentric bushing, thus allowing wheel position adjustment from +EC to EC. 6. Part # _PWBC or part # M_PWBC indicates concentric (stationary) bushing; Since concentrically mounted wheels have a fixed position, these bushings set the alignment of the carriage assembly to the rail. Concentrically mounted wheels should be configured to carry the majority of the load whenever possible. 7. Head height (HH) tolerance is ±0.001 inches or±0.03 mm. 8. Inside diameter (ID) tolerance is inches, inches. 9. Inside diameter (ID) tolerance is mm, mm metric, except for M1PWBC, which have a tolerance of +0.05mm, -0.00mm. Bishop-Wisecarver Corporation All rights reserved

19 Motion Without Limits TM Journal Assemblies DualVee Part Number Offset Head Height Clearance Overall Outside Diameter Journal Diameter for Mounting Plate Bore Mounting Plate Thread EC HH CL L OD 1 MPD 2 MP THREAD Wheel Fastener WF THREAD Adjustment Flat Width Hex Maximum Mounting Plate Width AFW HS MPW MAX Minimum Mounting Plate Width 0 MJX0A / / MJC0A / / MJX1A / / MJC1A / / MJX2A /8-24 5/ / MJC2A /8-24 5/ / MJX3A / / / MJC3A / / / MJX4A /2-20 1/ / MJC4A /2-20 1/ / XL MJX4XLA /4-16 3/ / MJC4XLA /4-16 3/ / MPW MIN Weight in Ounces MPW MAX. N WF THREAD MPW MIN. OD MP THREAD AFW W EC MPD CL L HH HS WW WN Wheel Washer Wheel Locknut 9 Mounting Plate Washer Mounting Plate Locknut 10 WW WN W N 0 N/A #8 Nut 1/4 Flat Washer SST 1/4 Nut 1 #8 Flat Washer SST #10 Nut 1/4 Flat Washer SST 1/4 Nut 2 5/16 Flat Washer SST 5/16 Nut 3/8 Flat Washer SST 3/8 Nut 3 7/16 Flat Washer SST 7/16 Nut 7/16 Flat Washer SST 7/16 Nut 4 1/2 Flat Washer SST 1/2 Nut 1/2 Flat Washer SST 1/2 Nut 4XL 3/4 Flat Washer SST 3/4 Nut 3/4 Flat Washer SST 3/4 Nut Assembly Weight Notes 1. Outside diameter tolerance, OD, is , is , Journal diameter tolerance, MPD is , All dimensions are in inches. 4. Concentric journals have zero offset (eccentricity). 5. Eccentric journals are typically mounted opposite concentric journals. 6. Journal material is AISI 303 stainless steel. 7. Part # MJX_A indicates eccentric (adjustable) bushing; rotation of eccentric allows fit up adjustment between track and guide wheels. 8. Part # MJC_A indicates concentric (stationary) journal; since concentrically mounted wheels have a fixed position, these journals set the alignment of the carriage assembly to the rail. Concentrically mounted wheels should be configured to carry the majority of the load whenever possible. 9. Locknut, nylon insert GR2, zinc plated 10. Locknut, nylon insert GR8, zinc plated 17 Bishop-Wisecarver Corporation All rights reserved

20 COMPONENTS Lubrication Profile Wheel Cover Profile Standard Height (for use with standard height metric bushings) Part Number 1 WC1A 1.40 (35.6 mm) 2 WC2A 2.00 (50.8 mm) 3 WC3A 2.67 (67.8 mm) 4 WC4A 3.50 (88.9 mm) Mount Hole Spacing Height Fastener Height Width Vee Height Fastener Hole L MHS H FH W VH Metric 1.20 (30.5 mm) 1.68 (42.7 mm) 2.34 (59.4 mm) 3.07 (78.0 mm) 0.71 (18.0 mm) 0.95 (24.1 mm) 1.34 (34.0 mm) 1.58 (40.1 mm) Wheel Cover Assemblies 0.32 (8.1 mm) 0.40 (10.1 mm) 0.60 (15.3 mm) 0.76 (19.3 mm) 0.90 (22.9 mm) 1.35 (34.3 mm) 1.98 (50.2 mm) 2.50 (63.5 mm) (10.3 mm) (12.2 mm) (17.5 mm) (20.7 mm) M2 M3 M3 M4 Low Profile (for use with low profile metric bushings) 1 WC1LPA 1.40 (35.6 mm) 2 WC2LPA 2.00 (50.8 mm) 3 WC3LPA 2.67 (67.8 mm) 1.20 (30.5 mm) 1.68 (42.7 mm) 2.34 (59.4 mm) 0.55 (14.0 mm) 0.77 (19.6 mm) 1.10 (28.0 mm) 0.16 (4.1 mm) 0.22 (5.6 mm) 0.37 (9.3 mm) 0.90 (22.9 mm) 1.35 (34.3 mm) 1.98 (50.2 mm) (6.3 mm) (7.7 mm) (11.5 mm) M2 M3 M3 4 WC4LPA 3.50 (88.9 mm) 3.07 (78.0 mm) 1.27 (32.1 mm) 0.45 (11.3 mm) 2.50 (63.5 mm) (12.6 mm) M4 Protects the wheel/track contact region Sweeps aside debris that may collect on the track Continually dispenses a thin film of oil along the Vee way Lubricating properties increase load capacity and service life Covers rolling element contact surface satisfying safety requirements MHS Fastener FH H VH L W 18 Bishop-Wisecarver Corporation All rights reserved

21 Motion Without Limits TM Wheel Cover Assemblies Wheel Cover Profile Standard Height DualVee Assembly Part Number Washer Fastener 1 WC1A M2 M2 x.4 x 12 mm 2 WC2A M3 M3 x.5 x 16 mm 3 WC3A M3 M3 x.5 x 20 mm 4 WC4A M4 M4 x.7 x 25 mm W S Low Profile 1LP WC1LPA M2 M2 x.4 x 8 mm 2LP WC2LPA M3 M3 x.5 x 12 mm 3LP WC3LPA M3 M3 x.5 x 16 mm 4LP WC4LPA M4 M4 x.7 x 20 mm Typical wheel plate design using four guide wheels and four wheel covers, mounted to an aluminum wheel plate S W Notes 1. Wheel cover material is ABS-Black. 2. Felt material is white, pure wool, SAE F-10 or ASTM 9R1. 3. A vial of Mobil Vactra Way oil #2 is provided. 4. Wheel covers are supplied complete with socket head cap screws and washers (stainless steel). 19 Bishop-Wisecarver Corporation All rights reserved

22 COMPONENTS Lubricator Assemblies Lubricator Profile Standard Height (for use with standard height metric bushings) DualVee Part Number Overall 1 & 2 TL12A 1.10 (28.0 mm) 3 & 4 TL34A 1.84 (46.7 mm) Mounting Hole Spacing Body Height Width Vee Height Location Fastener Hole Fastener Hole Diameter L MHS B H W VH FD FS (20.0 mm) (34.0 mm) 0.47 (12.0 mm) 0.84 (21.3 mm) 0.69 (17.5 mm) 1.20 (30.5 mm) 0.45 (11.4 mm) 0.74 (18.8 mm) (11.0 mm) (19.1 mm) 0.18 (4.6 mm) 0.29 (7.4 mm) 0.12 (3.0 mm) 0.17 (4.3 mm) Low Profile (for use with low profile metric bushings) 1 & 2 TL12LPA 1.10 (28.0 mm) 3 & 4 TL34LPA 1.84 (46.7 mm) (20.0 mm) (34.0 mm) 0.47 (12.0 mm) 0.84 (21.3 mm) 0.53 (13.5 mm) 0.84 (21.3 mm) 0.45 (11.4 mm) 0.74 (18.8 mm) (7.1 mm) (12.3 mm) 0.18 (4.6 mm) 0.29 (7.4 mm) 0.12 (3.0 mm) 0.17 (4.3 mm) Easy to install/available from stock Dispenses a thin film of oil along the Vee way Lubricating properties increases load capacity and service life Stainless steel lubricator housing L MHS FD FS B W H VH Hardware Lubricator Profile Standard Height Part Number Washer Fastener W 3 S 3 TL12A M2 M3 x.5 x 6 mm TL34A M3 M4 x.7 x 8 mm S W Low Profile TL12LPA M2 M3 x.5 x 6 mm TL34LPA M3 M4 x.7 x 8 mm 20 NOTES 1. Lubricator housing material per specification ANSI 303, 304, or 316 stainless steel. 2. Felt material is white, pure wool, per specification SAE F-10 or ASTM 9R1. 3. Lubricators are supplied complete with socket head cap screws and washers (stainless steel). 4. A vial of Mobil Vactra Way oil #2 is provided. Bishop-Wisecarver Corporation All rights reserved

23 Motion Without Limits TM TECHNICAL REFERENCE Mounting Dimensions/Formula for DualVee -based wheel plate and track plate assemblies Mounting Constants DualVee X inch mm inch mm mm mm mm mm mm mm mm mm 4XL mm mm Y Double Edge Mounting Figure 1 Double Edge Mounting A When fabricating a DualVee linear guide from componentry, the following (formulae) are applicable for mating carriage plate and track plate designs: Inboard Mounting A For size 0 double edge track using size 0 guide wheels, A = (25.0 mm) see Figure 1. For sizes 1 through 4 DualVee single edge track with equivalent sized guide wheels: Inboard Mounting (See Figure 2): A = B + X Outboard Mounting (See Figure 3): A = C - X Exterior Mounting (See Figure 4): A = D - Y A = hole centers for wheel plate B Figure 2 Inboard Mounting Outboard Mounting A C Figure 3 Outboard Mounting Exterior Mounting A Figure 4 Exterior Mounting D NOTES 1. Information above uses the same size DualVee track and wheel except for size 4XL which uses W4XXL guide wheel with size T4 track. 2. Side views shown only, length of wheel plates can be any length required. 3. It is recommended that wheel plates be constructed with concentric bushings on one side of the plate and eccentric bushings on the opposing side. 4. D dimension is to the theoretical sharp of the 90 angle. 21 Bishop-Wisecarver Corporation All rights reserved

24 22 TECHNICAL COMPONENTS REFERENCE Several factors influence the service life of a DualVee linear guide. Through research and development spanning over thirty years, Bishop-Wisecarver has devised a simple method to estimate the load/life relationship for a specific DualVee guide mechanism under defined loading conditions. The methodology accounts for the size of the DualVee bearing elements, relative spacing, and the orientation, location, and magnitude of the load. The curve is based upon clean and well lubricated track conditions; so for applications where lubrication is prohibitive, a derating factor must be applied. It is important to note that secondary considerations such as maximum velocity, acceleration rates, duty cycle, stroke length, environmental conditions, the presence of shock and vibration, and extreme temperature ranges can all impact service life to varying degrees. As such, the sizing method outlined below should be used conservatively, and considered only as a guideline for the sizing of DualVee components and assemblies. When time and budget permits, the prototyping of a DualVee arrangement is recommended to confirm service life expectations. Load/Life Equation Sizing and Selection The load/life estimation requires a basic understanding of the principles of statics, the ability to work with free-body diagrams, and the capacity to resolve externally applied forces on a carriage assembly into the radial and axial reaction forces at each guide wheel in the design. The life of a DualVee guide will be limited to the life of the most heavily loaded bearing in the design. Step 1: Calculate the resultant radial and axial loads reflected to each bearing element in the linear guide design. Load/Life Relationship All standard considerations involved in statics calculations must be accounted for, including inertial forces, gravitational forces, external forces such as tool pressure, bearing element spacing, and magnitude and direction of the payload. Any external forces that generate a reaction through the wheel/ track interface need to be considered. If assistance is required in resolving specific loads into the resultant reaction forces at the guide wheel interface, contact our Applications Engineering staff for support. It is recommended that the Application Data Sheet on page 29 be submitted beforehand, with as much application information detailed as possible. Step 2: Calculate the load factor for the most heavily loaded bearing. L F = L A / L Amax + L R / L Rmax Where L F = Load Factor L A = Resultant axial load on the guide wheel L Amax = The maximum axial working load capacity of the guide wheel L R = Resultant radial load on the guide wheel L Rmax = The maximum radial working load capacity of the guide wheel Bearings should be sized such that L F 1 The most heavily loaded bearing will have the highest load factor Due to varying application load and speed parameters and environmental conditions, the appropriate adjustment factor must be applied to the maximum axial and radial working load capacities (L Amax and L Rmax ) as follows: Adjustment Application Factor Conditions Clean, low speed, low shock, low duty Moderate contaminants, medium duty, medium shock, low to medium vibration, moderate speed Heavy contamination, high acceleration, high speed, medium to high shock, high vibration, high duty cycle Oscillating motion resulting in less than one full revolution of the wheel under load can cause accelerated wear on the internal bearing elements. Testing of such systems is recommended to verify compatibility of the design with load/life requirements. Bishop-Wisecarver Corporation All rights reserved

25 Motion Without Limits TM Wheel Load Capacities Part Number Basic Dynamic Load Rating RADIAL (N) Basic Static Load Rating RADIAL (N) Basic Dynamic Load Rating AXIAL (N) Basic Static Load Rating AXIAL (N) Basic Dynamic Load Rating RADIAL (lbf) Basic Static Load Rating RADIAL (lbf) Basic Dynamic Load Rating AXIAL (lbf) Basic Static Load Rating AXIAL (lbf) W W W W W0X W1X W2X W3X W4X W4XXL W1SSX W2SSX W3SSX W4SSX W4SSXXL W0SSCR W1SS W2SS W3SS W4SSCR Step 3: Apply the load factor to the load/life equation below: Life = L C / (L F ) 3 Where L F = Load Factor L C = Life Constant Life constants are provided in both inch and metric as tabulated below. Load/Life Constants DualVee inches of travel life Life Constant kilometers of travel life x x x x x XL 8.58 x NOTES 1. Basic Dynamic Load Rating, According to AFBMA STD Based on industry standard bearing calculations and are for comparison purposes only. Maximum working load figures should be used for component sizing and selection. 2. Basic Static Load Rating, according to AFBMA STD Based on industry standard bearing calculations and are for comparison purposes only. Maximum working load figures should be used for component sizing and selection. 3. Working load capacities reflect clean, well lubricated wheel/track interface. Bishop-Wisecarver Corporation All rights reserved

26 COMPONENTS TECHNICAL REFERENCE Lubrication Lubrication is the key to maximizing the life of a DualVee linear guide. Internally, DualVee guide wheels are lubricated for life with an extreme pressure, corrosion resistant grease. However, lubrication of the wheel/track interface is the responsibility of the user. A light machine oil or an extreme pressure grease will serve well in minimizing wear, stick slip, and corrosion on the guide ways in a DualVee -based design. Lubrication will maximize the load capacity of an individual bearing element. As such, for any specific application loading condition, the presence of lubrication on the guide ways will significantly increase the service life over a non-lubricated configuration under the same loads. Lubrication will also increase the maximum linear velocity that a DualVee bearing arrangement can endure. In applications where high speed or high acceleration rates are present, lubrication of the wheel/track interface is highly recommended. Lastly, lubrication will reduce the overall coefficient of friction of the guide, which, depending on the level of preload, can fall anywhere from to The availability of lubricators and wheel covers gives design engineers an opportunity to design lubrication right into the DualVee mechanism with little effort. See specifications on wheel covers and lubricators for more details. Track Splicing Considerations Precut lengths of track are not suitable for butting end to end. Please contact the factory when track lengths longer than the maximum available single piece lengths are required. Track that is suitable for butting is available on request. When constructing track systems longer than 20 feet, the joints on parallel tracks should be staggered for greater accuracy and smoothness. Precut lengths of DualVee track plate assembly are not suitable for butting end to end. Where track plates longer than the maximum length are required, please consult BWC Applications Engineering for butt-joining recommendations. Accuracy N ±0.004 (±0.10 mm) Operation Considerations Using DualVee Motion Technology, achieving straightness and flatness characteristics to within N grade accuracy levels is fairly routine (± inch; ± 0.10 mm). In fact, accuracies as low as ± inch (± 0.03 mm) have been achieved using carefully prepared mounting surfaces in relatively short stroke applications (1-3 feet; m). For designs requiring accuracy levels of ± inch and better, mounting surfaces must be prepared straight and flat, and appropriate doweling or reference edge assembly techniques must be employed. In most DualVee applications, accuracy plays a small role in successful implementation and in such cases, cold finished or extruded bars provide adequate mounting surfaces for DualVee raceway design. Mounting surface reference edges no longer require a chamfer, as the DualVee track design has been upgraded to include a relief in the locating shoulder. ±0.004 (±0.10 mm) Figure 1: Running parallelism end view. Shown wiper wheel plate, see LoPro catalog for additional details. For single carriage measured at any point along the rail: Variation in carriage height: ± inch (± 0.10 mm) Variation in carriage width: ± inch (± 0.10 mm) For multiple carriages measured at the same location along the rail: Variation in carriage height: ± inch (± mm) Variation in carriage width: ± inch (± mm) Figure 2: Allowable tolerances for straightness and flatness of travel grade N N 24 Bishop-Wisecarver Corporation All rights reserved

27 Motion Without Limits TM Track Hardening For maximum loading and heavy continuous use, the T series hard edge track should be used. For prototype or light duty intermittent use, the TS series (unhardened, as formed) track can be used at a lower cost. Contamination/Wear Resistance Since the circumference of the wheel is greater at the major diameter than at the minor diameter, there is a constant wiping action on the track producing a self cleaning effect. As such, DualVee guide wheels are employed in a wide variety of harsh environments, including the presence of metal chips, powders, fibers, slurries, etc. It is important to note that such environments will often limit the service life of a DualVee linear guide to some extent. Since environments vary from application to application, it is recommended that DualVee systems be prototyped before employing on a large scale. For instance, an OEM who is building a paper processing machine may want to prototype a linear guide in application where the guide ways are exposed to unique combinations of chemicals and paper fibers. It s difficult to predict exactly how the materials will behave in many cases. For instance a fine, yet hard powder material may accelerate wear in one case but simply be swept aside in another, depending on parameters such as particle size, temperature, humidity, and lubrication. Regardless, DualVee is clearly the choice of antifriction linear guide technology in difficult environments, particularly when success is mandatory and reliability is critical. The other main factor affecting wear resistance is lubrication. Wheel covers or lubricators should be designed in whenever possible. Both will distribute a thin coating of oil lubricant along the contact surface of the DualVee track. The wheel covers offer added protection by preventing debris from entering the wheel/track contact surface. Lubricated and relatively clean wheel/ track contact surfaces will ensure maximum service life in a DualVee linear guide. Fit Up Adjustment The stationary bushings determine the alignment of the system. They should carry the major load whenever possible. Wheels should be configured such that the load is predominantly radial whenever possible. Normal adjustment is obtained by rotating the eccentric bushings until all free play is removed from the carriage assembly. When the eccentrics are adjusted and the carriage plate is held firmly in place, one should be able to rotate, by hand, any of the four guide wheels in the system against its mating track. If rotation is not possible, preload on the wheels should be reduced accordingly. Overtightening of the eccentric adjustment could result in premature bearing failure. Such a condition can exert a force greater than the load rating of the wheel. Figure 3: Linear guide configured primarily radial load W Wash Down Environments For wash down applications, stand offs can be used to mount track to a mounting surface, eliminating dirt traps, and allowing for washdown (see sketch below). Figure 4: DualVee track mounted with stand offs eliminates dirt traps. Bishop-Wisecarver Corporation All rights reserved

28 COMPONENTS TECHNICAL REFERENCE Clean Room Products High Temperature Products Applications BWC s clean room compatible guide wheels are manufactured from 440C stainless steel bearing elements, and contain stainless steel retainers and shields. They are internally lubricated with synthetic, corrosion resistant, clean roomcompatible grease. For clean room operation, it is often desirable to plate the track with thin dense chrome (armoloy), black oxide, or electroless nickel. Stainless steel track can also be specially cleaned prior to heat treat and then passivated. Contact BWC Applications Engineering for assistance with your clean room linear guidance questions. Higher level assemblies, custom engineered to accommodate specific clean room requirements, can be furnished by BWC. Contact BWC Applications Engineering for particle emissions data. All BWC high temperature guide wheel products are manufactured from specially processed, thermally stabilized, 440C stainless steel. Lubricated with a specially formulated synthetic grease, these guide wheels are capable of operating in temperatures up to 500 F. Special consideration should be given to guide wheel-based designs when operating above temperatures of 300 F. Designers must make sure that a suitable lubricant is used on the wheel track interface, and if lubrication is prohibitive, the appropriate reduction in anticipated service life should be factored in. If no lubrication is used, the life of the bearing may be compromised. 26 Bishop-Wisecarver Corporation All rights reserved

29 Motion Without Limits TM Conversion Factors Quantity Conventional SI Unit Conversion Factors Inch Unit Metric Unit (MKS) Inch in Meter m Meter m 1in. = 25.4 mm 1mm = in. 1m = ft. 1ft = m Area Square Inch in2 Square Meter m2 Square Meter m2 1 in.2 = cm2 1 cm2 = in.2 1 m2 = ft2 1 ft.2 = m2 Mass Pound lbm Kilogram kg Kilogram kg 1 lbm = kg 1 kg = lb Force Pound Force lbf Kilogram Force kgf Newton N 1lbf = kgf 1lbf = N 1 kgf = lbf 1 kgf = N 1 N = kgf 1 N = lbf Stress or Pressure Pounds per square inch lbf/in.2 Kilograms per square meter kgf/m2 Pascal Pa 1MPa = 106 N/m2=N/mm2 1kPa = 103 N/m2 1lbf/inch2 = kgf/cm2 1lbf/inch2 = x 10-4 kgf/cm2 1lbf/inch2 = x 10-3 N/mm2(Mpa) 1kgf/cm2 = lbf/in.2 1lbf/cm2 = x 10-2 N/mm2(Mpa) Torque or Work Inch Pounds lbf-in. Kilogram Meters Kgf-m Newton Meters Nm 1lbf-in. = kgf-cm 1kgf-cm = lbf-in. 1 lbf-in. = Nm 1kgf-m = Nm 1kgf-cm = x 10-2 Nm 1Nm = 8.85 lbf-in. 1Nm = kgf-cm Power Foot Pound per minute lbf-ft./min Force per second kgf-m/s Newton Meter per second Nm/s 1kW = 1000Nm/s 1kW = 60,000 Nm/s 1kW = 44,220 lbf-ft./min 1kW = 1,341 hp 1hp = 75kgf-m/s 1hp = 44,741 Nm/min. 1hp = 33,000 lbf-ft.min. 1hp = kw Velocity Feet per second ft./s Meters per second m/s Meters per second m/s 1ft./sec = m/s 1in./sec = 2.54 cm/s 1ft./sec = m/s 1 mile/hr = m/s 1km/hr. = m/s 1 mile/hr = km/hr Acceleration Feet per second squared ft./s2 Meters per second squared m/s2 Meters per second m/s2 1ft./s2 = m/s2 Bishop-Wisecarver Corporation All rights reserved

30 COMPONENTS TECHNICAL REFERENCE Bishop-Wisecarver is a family owned manufacturing company specializing in guide wheels and motion control technologies. DualVee was designed as a problem solver for automotive, machine tool, paper processing, textile, and general industrial automation applications where traditional guidance technologies were ineffective. DMT has continued to evolve into an ideal technology for today s cutting edge industries such as medical, packaging, aerospace, electronic, and semiconductor. About Bishop-Wisecarver Bishop-Wisecarver invented the DualVee guide wheel and has been a world leader in guide wheel technology since DMT integrates three main components, the DualVee guide wheel, its DualVee mating track with patented mounting shoulder, and the DualVee support bushing. Our product line includes components, linear guides, linear systems, rotary guides and systems, and aluminum machine framing. Stainless steel, high temperature, and clean room compatible products are among Bishop-Wisecarver s more recent product introductions. Bishop-Wisecarver s more popular product offerings include the following trade names: DualVee, LoPro, UtiliTrak, and GV3. New product development continues to be an ongoing process at the Bishop-Wisecarver Corporation, with innovative designs being introduced at regular intervals. Bishop-Wisecarver Corporation 2104 Martin Way Pittsburg, CA Phone: Toll Free: Fax: Internet: info@bwc.com Bishop-Wisecarver Corporation All rights reserved

31 Application Data Sheet Company: Contact: Address: City: Phone: State: Fax: Zip Code: System Orientation: Load: Mass (l x w x h): Stroke : Velocity: Accel/Decel: Linear Accuracy: Repeatability: Duty Cycle: Environment: Temperature: Additional Forces: horizontal lbs in in in/s in/s 2 in/ft in in/day factory F lbs vertical N m m m/s m/s 2 mm/m mm m/day food grade clean room other C N Product/Machine Description: Additional Requirements: Expected Volume: Date Needed: System Sketch 2104 Martin Way, Pittsburg, CA phone: fax: info@bwc.com

32 PRODUCTS : DualVee Guide Wheels HDS Heavy Duty Slide System PRT Ring and Track System HDLS Heavy Duty Driven Linear System LoPro Linear Motion System SL2 Corrosion Resistant System DLS Driven Linear System GV3 Linear Guidance System UtiliTrak DTS Driven Track System MCS Aluminium Profile Sections Simple-Select PRODUCT ORDERS Please call Bishop-Wisecarver with your specific length requirements and additional ordering assistance. Our technical staff is available to assist with information specific to your application. s available: 300mm to 6000mm. Bishop-Wisecarver Exclusive North American Partner and Distributor for HepcoMotion Products since