KNOW THE CATALOG Derek Evans Tom Puerling 1 Where are we? Pyramid of Flexure Knowledge Custom Couplings, Assemblies, U-joints Generate-Only Presentations & Seedbox Machined Springs Technical Orientation Catalog Standards Coupling Selection 2
Morning Agenda Standard Coupling Choices Special Bore Configurations Afternoon Agenda Engineering Proposal Form (EPF) Standard Coupling Identification 3 Morning Goal By the end of this session Series Characteristics Valid Part Numbers Catalog Familiarity Please Ask Questions 4
Why a flexible coupling? Imperfect shaft alignment Reduce bearing loads Lighter duty Longer life Better than a rubber hose! 5 Why a Helical coupling? One piece no moving parts, no lubrication, improved reliability Zero Backlash High-quality Best engineering staff on the planet! 6
Applications Ball Tachometers/Encoders/Resolvers Stepper Screws/Lead Pumps Motors/Servo Fans Screws/Actuators Motors 7 Applications Need to connect two shafts 8
Industries Commercial Data Storage Robotics for Semi-Conductor Industry Pick-and-Place Robotics 9 Industries Recreation Agriculture Automotive Solar 10
Industries Medical Aerospace Military Can you think of more? 11 Standard Couplings 12
What is a Standard Coupling? In the Helical Products Catalog W, A, H, DS, MC, PF, X 13 Please remove the Helical Products catalog from your binder and turn to Page 9 14
15 W- Series In The Catalog On Pages 10-11 16
W - Series Stainless Steel & Aluminum Metric Fasteners External Dimensions & Performance in Metric Units Keyways available (Appendix C) 40mm OD & 50mm OD 17 18
Building Part Numbers WAC30-10mm-10mm W7C30-10mm-10mm Material: A : Aluminum, 7075-T6 7 : Stainless Steel, 17-4PH 19 Integral Clamp WAC or W7C Clamps around entire shaft No need for flats Will not mar shafts Put-on / Take-off applications Reversing applications 20
Used with flats Shorter than clamp models More Economical Larger bores without a Clearance Diameter 21 Clearance Diameter For larger bores, the cap screw is moved away from center and the head protrudes 22
Building Part Numbers W7C30-10mm-10mm W730-10mm-10mm Attachment style: C : Integral Clamp No C : Set Screw 23 Basic Part Number W : World Series A : Aluminum -or- 7 : Stainless Steel C : Integral Clamp WAC25-10-10 25 : OD Designator (mm) Bore sizes: 10mm NO!!! 24
Bore Designators Appendix (B) Can be standard or metric or both Inch : -16-12 Metric : -10mm-8mm Non-Standard :.222 inch Not 7/32 =.219 Not 8/32 =.250.222 = 5.64mm : -5.64mm 25 Bore combination examples -10mm-10mm A1 metric, A2 metric -10mm-12 A1 metric, A2 standard -12-12 A1 standard, A2 standard -10-6mm A1 standard, A2 metric 26
Building Part Numbers W7C30-10mm-10mm W7C30-10-10-10mm-10mm : Bore Designators -10-10 : Bore Designators -10 : Bore Designator -10 = 10/32 inch = 5/16 inch =.313 27 Questions you may have So, bores can be metric or standard, either both or mixed? YES! Does the catalog show all possible bores? NO! My customer has a 9.135mm bore. Can we make this? Yes, but 28
Basic Part Number W : World Series WAC25-10mm-8mm A : Aluminum -or- 7 : Stainless Steel C : Integral Clamp 25 : OD Designator (mm) 29 Basic Part Number W : World Series 7 : Stainless Steel -or- A : Aluminum : Set Screw 20 : OD Designator (mm) Bore sizes? W720-8mm-8 30
Basic Part Number W : World Series 7 : Stainless Steel -or- A : Aluminum W7C40-14mmQ5-12K1 C : Integral Clamp 40 : OD Designator (mm) Bore and keyway sizes? (Appendix B & C) 31 W-series Notes 1. Shaft misalignments: Angular: 5 degrees Parallel Offset:.25mm (.50mm T.I.R.) Axial Motion: ±.25mm 2. Dynamic torque ratings are momentary values. For non-reversing applications, divide by 2. Divide by 4 for reversing applications. Should the torque ratings be marginal for your application, contact us for analysis. 3. Material: 7075-T6 aluminum alloy. Finish: clear anodize. or Material: 17-4 PH high strength stainless steel. Finish: natural 32
Notes (continued) 4. Manufacturing dimensional tolerances unless otherwise specified are: fraction ±.5mm x.xx ±.25mm 5. Please refer to page 18 for other available bore dimensions. 6. Inertia is based on smallest standard bore diameter. 7. Keyways available on the 40mm and 50mm OD only. 33 Torque Example Specs: 10mm shafts, continuous (non-reversing) operating torque of 1.1Nm, aluminum, clamping What is the complete part number for the smallest W- series coupling that will work? Answer: WAC25-10mm-10mm How? 1.1Nm X 2 (service factor) = 2.2Nm(momentary dynamic torque) 34
Torque Example Specs: 10mm shafts, reversing operating torque of 1.1Nm, aluminum, clamp What is the complete part number for the smallest W- series coupling that will work? Answer: WAC30-10mm-10mm How? 1.1Nm X 4 (service factor) = 4.4Nm MIN (momentary dynamic torque) 35 Torque What if my customer only has a MAX motor rating? The actual operating torque may be much less. Try to find a momentary dynamic torque rating at least as high as the MAX motor rating. 36
37 38
Questions you may have What shaft tolerance is recommended with the integral clamp? +.000/-.001in. What kind of set screws are used? Cup point Can I ask for a different screw (size, material)? Yes, but. 39 Part prefixes for metric screws A: ACRM, ARM H: HCRM, HRM DS: DSACM MC: MCACM, MCAM, MC7CM, MC7M 40
Series Available with Metric Screws ONLY W: WAC, WA, W7C, W7 X: XCA PF : PFA, PFS 41 Your turn to be the engineer, Pat Owens! Specs: Aluminum, 40mm OD, integral clamps, 12mm A1 bore, 10mm A2 bore ANSWER: WAC40-12mm-10mm 42
Ring ring another call, John Perry Specs: Stainless, 25mm OD, set screws, bores are 5mm and ¼ ANSWER: W725-8-5mm 43 Let s take a break... 10 minutes... 44
Performance Comparison Material Torque Torsional Flexibility Cost Aluminum Alloy 7075-T6 Stainless Steel 17-4 H900 Stainless Steel 303 10 lbin.10 deg/lbin $ 10 20 lbin.04 deg/lbin $ 20 10 lbin.04 deg/lbin $ 20 45 Examples of Long Term Sales 4085-8-8 General Dynamics/US Army M1 Tank 1,000 s per year since 79 46
High-Volume Standards ACR075-8-8 Average 12,000 pieces ordered per year since 2005 47 What is a Flexure Fact? Tool to expand opportunities Brief story of actual success Format Challenge Solution Answer Picture/Drawing 48
Flexure Facts Industries: Industrial and Manufacturing Aerospace and Aviation Medical Commercial Recreational Agricultural Automotive 49 50
80 Flexure Facts www.heli-cal.com and in your Engineering Seminar binder 51 DS- Series In The Catalog On Pages 12-13 52
DS Series, Double Start Aluminum Low Inertia High Torsional Stiffness Integral Clamp Only Larger Shaft Sizes Than A & H With Relief 53 Part Number Quiz for Rick DeArmond DSAC125-16-12 DSAC : Basic Model Number DS : Double Start A : Aluminum C : Clamp 125 : OD Designator 1 ¼ (1.250 ) 54
MC Series In The Catalog On Pages 14-15 55 MC Series Aluminum or Stainless Steel Motor Coupling series High Parallel Offset Capacity Keyways available (Appendix C) 3600RPM 56
Part Number Quiz for Dave Wieser MCAC150-16-12 MCAC : Basic Model Number MC : Motor Coupling A : Aluminum C : Clamp 150 : OD Designator 1 ½ (1.50 ) 57 Part Number Quiz for Kyle Sitton MC7CM150-14mmQ4-16K4 MC7 : Stainless Steel C: Integral C 150: 1 1/2 inch OD Lamp Bore sizes and keyways? (Appendix B & C) 58
59 A & H - Series In The Catalog On Pages 16-17 60
A Series Aluminum Light-Duty Non-Magnetic Most Economical 61 H Series Stainless Steel Heavy-Duty High Torque Capacity Fatigue-Resistant Material High Torsional Stiffness 62
Building Part Numbers ACR112-16-12 HCR112-16-12 Material: A : Aluminum H : Stainless Steel 63 Building Part Numbers ACR112-16-12 AR112-16-12 Attachment style: ACR : Integral Clamp AR : Set Screw 64
Building Part Numbers ACR112-16-12 HCR112-16-12 Internal configuration: R : Relief No R : no relief 65 Bore Configuration Styles (A) With Relief* / ACR & AR Equal Diameter Shafts Unequal Diameter Shafts *dark areas show the amount of relief within the coupling interior Without Relief / Restricted Bore Configuration Unequal Diameter Shafts Equal Diameter Shafts 66
Part Number Quiz Steven Hernandez ACR112-16-12 ACR : Basic Model Number A : Aluminum C : Integral Clamp R : Relief 112 : OD Designator 1 1/8 (1.125 ) 67 Part Number Quiz for Josep Pena AC100-16-12 AC : Basic Model Number A : Aluminum C : Integral Clamp No R : No Relief 100 : OD Designator 68
Standard OD Designators for A and H series 037 : 3/8 inch coupling OD 050 : 1/2 inch coupling OD 062 : 5/8 inch coupling OD 075 : 3/4 inch coupling OD 087: 7/8 inch coupling OD 100 : 1 inch coupling OD 112 : 1 1/8 inch coupling OD 125 : 1 1/4 inch coupling OD Is that all!? 69 Another question I noticed the A-series note #4 says Metric fasteners available on request. Yes, the A, H, DS and MC series can have metric screws. 70
Recap - A Series Aluminum Light Duty Non-Magnetic Clamp or Set-Screw Relief 71 Recap - H Series Stainless Steel Heavy Duty High Fatigue Resistance Clamp or Set-Screw Relief 72
Part Number Quiz for Bob Kirkland HCR075-8-4 H : Stainless Steel C : Clamp R : Relief 075: 3/4 inch OD -8-4 : 1/4 inch Major Bore 1/8 inch Minor Bore 73 Part Number Quiz for David Jadrych HR100-12-8mm H : Stainless Steel Set R : Relief Screw 100: 1 inch OD -12-8mm : 3/8 inch Major Bore 8mm Minor Bore 74
Part Number Quiz for Spencer Abramson ACR100-6mm-5mm A : Aluminum C : Clamp R : Relief 100: 1 inch OD -6mm-5mm : 6mm Major Bore 5mm Minor Bore 75 Material Identification Which parts are stainless and which are aluminum? Stainless is slightly magnetic and has a sheen. Anodized aluminum will be non-magnetic and have a grey finish. 76
Special Bore Configurations In The Catalog On Pages 18-19 77 78
79 Quiz MC7100-16-12 A1 bore : Relief or Step?... Step What is the depth?....37in What is the BCS? (Appendix A).. BCS 8 80
PowerFlex (PF - Series) 81 X- Series In The Catalog On Page 21 82
X Series : Cross Slot Couplings 83 X - Series Low-Cost Alternative to Bellows Very High Torsional Stiffness Aluminum Only Integral Clamp Only Always has Relief 84
Idea Stimulators U-joints Attachments Catalog Page 22-24 Springs 85 Engineering Proposal Form Catalog Page 25 86
Top Industries Served Catalog Page 26 87 Keyword Review NO MOVING PARTS Greater reliability and no lubrication required ZERO BACKLASH Critical for feedback applications SPECIAL MATERIALS Only Helical works with 17-4 Engineering Proposal Form (EPF) OD, length bores, attachment, torque misalignments, qty s 88
One last question 89 After Lunch Engineering Proposal Form (EPF) Coupling Identification 90
Be Back Here at 1:00 91