CNC Internal Grinder. [Mass Production]

Transcription

1 CNC Internal Grinder [Mass Production]

2 CNC Internal Grinder [Mass Production] A compact, high-speed internal grinder that makes a difference in high-performance production High-speed Compact Easy operation Excellent maintainability Rapid traverse 30 m/min Hi-G control 500 times/min NC oscillation Max 0,000 min-1 high-speed internal grinding spindle Machine width 2,050 ow height type loader Easy zero offset Program help function Centralized control of lubricators and pneumatic devices Coolant splash housing Alarm help function Cost performance Minimum-cost design Reducing parts by 1/3 oader specifications Photos in this brochure include optional specifications. 1 2

3 Machine configuration to achieve high efficiency grinding High efficiency grinding NC high-speed oscillation To enhance grinding removal efficiency, and to achieve high efficiency grinding Oscillation frequency: up to 55 times/min Rapid traverse 30 m/min (Z-axis) 20 m/min (X-axis) 0.1 µm control The internal grinding spindle with high-speed, high rigidity enables powerful grinding. Dn value: 1,00,000 (maximum) Oil air lubrication kw Output 4 2 HK7 HK307 (7.5 kw) HK507 (7.5 kw) HK303 HK503 (3.7 kw) Spindle speed (X,000min -1 ) Oscillating and traverse method (combined) (Traverse) (Oscillation) Wheel spindle Output diagram of high frequency internal grinding spindle HK series Rigidity enhanced by larger bearings Restraining 5-surface hydrostatic guideway system (Z-axis) This guideway with minimal following error and high rigidity enables high-speed oscillation. High rigidity Maintenance free No backlash 300 N/µm Non-contact Minimal following error Hi-G control (Standard) Grinding position rigidity 300 N/µm Table Internal grinding spindle During positioning, this function controls the acceleration/ deceleration speed in accordance with the speed-torque characteristics of the B motor, resulting in high-speeds and highly stable positioning. Accordingly, this Hi-G control function reduces positioning time and greatly reduces non-cutting time. Speed Hi-G Control Time Reduced positioning time Previous 3 4

4 Non-grinding time reduced by dressing during loading. Dressing during loading (Optional) Non-grinding time reduced by high-speed loader High-speed loader (Optional) Non-grinding time reduction High-speed loader at a rapid traverse of m/min A fixed headstock configuration enables to allow dressing during loading. This function significantly reduces the cycle time. ow-height design makes for more clearance from the ceiling of your factory On-machine type makes relocation easy arger space for workpiece Ioading/unloading Abundant variety of Ioader patterns that facilitate automation This machine configuration with a larger X-axis travel allows the wheel to retract farther when loading/unloading the workpiece, resulting in greater safety. Examples of OG-5 loader layout 1M1 (one machine-one loader) 2M1 2M2 Machine Workpiece turnover device Workpiece turnover device Examples of OG-5 loader hand Vertical drop double hand Swivel double hand Max work diameter 0 Max work length 0 Max work mass 3 kg x 2 Max work diameter 0 Max work length 0 Max work mass 3 kg x 2 5

5 Easy production control design Easy operation Carefully designed for easy production maintenance control Excellent maintainability For production engineers SimpIified prograing I-GAP Program help function I-GAP(Optional) Fixed cycle programs can be prepared easily by selecting fixed cycle from menu screen and setting data with an interactive format according to the guide map. Centralized control of lubricators and pneumatic devices All the devices that need daily checks are centralized at the rear of the machine. Terminal box for each unit A terminal box is provided for each unit in order to reduce the time for changing limit switches and so forth. It has a high waterproof ability conforming to IP7. For operators Easier setup and adjustment work Zero offset Size adjustment Wheel change Pattern cycle selection Pattern data input Program Help Function Program help function is provided for customers who want to make grinding programs using G/M code (For details, see Page ). arge opening to facilitate maintenance Coolant splash housing (Optional) For operators Full enclosure shielding designed mainly to improve maintainability It prevents dispersion of coolant and keeps the inside of the machine clean Daily check Centralized control of Iubricating and pneumatic devices Easy zero offset One-touch setting system to facilitate zero offset Size adjustment function is also included in the same display. No need for page turning. For maintenance personnel Troubleshooting Alarm help function Constructicn for easy maintenance Terminal box for each unit arge opening cover ocalized anti-dispersion cover Alarm help function Instruction manual is no longer necessary. It is now much easier to carry out trouble-shooting (For details, see page ). 7

6 Machine specifications Standard specifications Optional Unit Capability Grindable bore Grindable hole Iength Swing over table Swing within chuck cover Work Iength Work mass x length kg Cross slide (X-axis) Travel Feedrate /min Rapid traverse /min Minimum unit Table (Z-axis) Travel Feedrate /min Table oscillation amount TabIe oscillation frequency times/min Rapid traverse /min Minimum unit Work spindle Spindle nose diameter SpindIe bore Spindle speed min -1 Motors Internal grinder wheel kw Workhead kw Cross siide (X-axis) kw Table (Z-axis) kw Hydraulic Iube pump kw-p Coolant pump kw-p ID spindle cooling pump kw-p Tank capacity Hydraulic lube Coolant ID spindle cooling Machine dimensions Machine height Floor space Machine mass kg SBK Kit: SHK Kit: ø3 to 0 to 0 ø400 ø350 to ø0.02 to ø,000 ø40,000 ø to 3,000 to 55 30, ø0 ø70 0 to 1, option , ,00 2,050 2,0 3,00 Specifications Q'ty Contents of specifications Kit SBK SHK Grinding process Sizing Bed Workhead Plunge grinding (oscillation possible) Multi-plunge grinding (oscillation possible) End face plunge grinding Simultaneous plunge grinding (OD & end or ld & end face) Parallel traverse grinding (oscillation possible) Taper traverse grinding Profile grinding lndirect sizing (according to program data) 1 complete set of bed-related items Front bearing ld,ø0 Spindle 3.5 kw brushless motor Spindle motor 0 to 1,000 min -1 Spindle speed Override (lnfinity variable S 4 code direct coand) 50 to 200% Cross slide Guideway Feed motor V-flat turcite forced lubrication X axis brushless motor 2. kw TabIe Guideway Feed motor Hydraulic oil tank OiI air lubricator Air control unit Coolant nozzle Closed hydrostatic type Z-axis brushless motor 2. kw Separate type,40. Variable discharge 0.4 kw pump motor Fan cooler Internal grinder wheel, X axis ball screw nut Wheel spindle overload protecter Digital setting (Displayed by Ampere) Work Iamp Skip dressing Multi-dressing Full enciosure shielding Jack bolt and washer Hand tools Electrical equipment ON/OFF type inside machine enclosure shield By NC prograing By NC prograing With manual opening/closing door (interlocked) Spanners, etc with a tool box 50/0Hz, 200V Okuma standard electric equipment specification, main motor and standard electric equipment Note: See page ( Wheel spindle options) for ID grinding wheel spindles. SBK: Belt-driven ID grinding spindle kit SHK: High frequency ID grinding spindle kit Specifications Spare parts Spare belts Hydraulic/Iubrication oil Grinding wheel Quill Diamond tool TooIing Workpiece drivers Self-grinding chuck fixtures Shoe-type centerless grinding Sizer Dressers Rotary dresser Diamond tools Grinding wheel dresser Coolant CooIant tank Coolant separator Centralized coolant For workhead For wheel spindle D5 (2 pcs, 2 ct) Other Descriptions 3-jaw scroll chuck JN-07T JN-0T Pneumatic 3-jaw power chuck Diaphragm chuck Finger chuck Diaphragm/finger chuck CoIIet chuck Magnetic chuck Tension ring Master Quill (with bolt washer) Grinding wheel (5 pieces/set) Magnetic chucks and shoes Movable workhead Front fork Tokyo Seimitsu Marposs End-face sizer Tokyo Seimitsu Marposs Constant coolant supply (sizer therm def cntr meas) CBN wheels: traverse rotary dresser w/ae sensor Form grinding rotary dresser For the above rotary dressers Fixed type Separate type 200 with 0.25 kw, 0.1 kw pump motor Magnetic: 0 /min Magnetic: SHIF* F-; 0 /min Magnetic/paper: SHIF* FP-; 0 /min Magnetic/paper: SHIF* FP-; 0 /min Thickener back seprtr: SHIF* FP- 300 tank Other SO coolant, with pressure switch Kit SBK SHK Specifications WheeI spindle Belt-driven internal grinding spindles High frequency internal grinding spindles Automation Workpiece seat check Workpiece air blower oader OG5 Peripheral devices Machine specifications ModeI BK25 BK30 BK40 BK50 BK5 HK004 HK007 HK 02 HK 503 HK 303 HK 507 HK 307 HK 5 HK 7 Kit Descriptions SBK SHK Maximum spindle speed (min -1 ) Output (kw) 40,000 32,000 25,000 20,000 1,000 0, , , , , , , , , Compressed air blast to clear/drain fluids Vertical drop double hand 3-jaw air chuck With pusher Workpiece grip check Built-in controls Swivel double handle 3-jaw air chuck With pusher Workpiece grip check Built-in controls Workpiece stacker Tray changer Conveyor Pitch feed Accumulation feed oader door; auto overhead open/close Safety door oader gripper jaws Workpiece air blower Chuck air blower Chuck grip check Cycle time reduction Dressing during loading SBK: Belt driving internal grinding spindle kit Thru-spindle coolant nozzles * Sumitomo Heavy Industries Finetech SBK: Belt-driven ID grinding spindle kit SHK: High frequency internel grinding spindle kit Splash gun Coolant temperature regulator Mist collector Other Inside-machine wash Coolant temperature control KURAKO EUN- Other Diamond tool D5 SHK: High frequency ID grinding spindle kit 4 High powered wheel spindle mtr 7.5 kw 25 Grinding area Base position for dressing while loading Base position for regular dressing Internal grinding spindle standby position While workpiece is Ioading/unloading Spindle orientation Auto door open/close Chuck cover Oil temp control heater Oil temp control heater/cooler X-axis AbsoScale Machine Iifting fixtures Timing belt type Pneumatic (manual pushbutton, cycle-linked) Swing within cover ø350, general purpose Recoended for cold climates Recoended for cold climates (1.2) 14 () 3 30 ø 1 7 ø ø Dresser base 30 Work spindle lnternal grinding spindle X-axis 300st Diaphragm chuck Diaphragm/finger chuck Shoe centerless Front fork gauge Form grinding rotary dresser Single point dresser Swing within chuck cover ø350 Max grinding ID ø0 Z-axis 350 travel 34 (w/belt-driven ID spindle) 27 (w/hf ID spindle) Collet chuck Magnetic chuck Mist collector Traverse rotary dresser for CBN wheels

7 Optional Grinding examples Internal grinding wheel spindle selections Wheel Speed min -1 0,000 0,000 0,000 0,000 3,000 50,000 40,000 30,000 25,000 20,000 1,000,000,000,000,000 Wheel Peripheral Speed 2,000 m/min 3,000 m/min Wheel Dia Bore Wheel Dia Bore BK HK7 BK Wheel Spindle (quill diameter x maximum Iength) BK BK BK HK303 HK HK503 HK HK HK CVT: outer race ø77 Cycle time: 35 sec (incl load/unload) 10 CVT: cage 2 Cycle time: 27 sec (incl load/unload) ø53 Final gear Cycle time: 70 sec ø2 ø1 Type High frequency internal grinding spindie HK series (OiI air lubrication) Belt-driven internal grinding spindle BK series (Oil air lubrication) Construction High frequency integral motor/spindle Model HK004 HK007 HK02 HK503 HK303 HK507 HK307 HK7 BK25 BK30 BK40 BK50 (Std) BK5 Spindle speed (min -1 ) 0,000/0,000 0,000/50,000 0,000/40,000 50,000/,000 30,000/,000 50,000/,000 30,000/,000,000/4,500 40,000/20,000 32,000/1,000 25,000/,500 20,000/,000 1,000/,000 Basic spindle speed (min -1 ) 0,000 0,000 0,000 30,000 1,000 30,000 1,000,000 lnverter motor-driven 5.5 kw (Std) 7.5 kw Rated output (kw) Idler gear 0 ø50 Differential gear ø0 Torque converter: outer race 2 ø71.2 Internal grinding wheel and quill dimensions Wheel Spindle D x Max 3,4,5 1 HK ,5, 1 20 HK BK ,, HK HK507 BK HK303 HK BK HK BK BK D D M M M M P1.25 M M1 M20 M B d m M5 M5 M M M M5 M M P1.25 M P1.25 M M M1 M1 M Cycle time: 2 sec Torque converter: front clutch drum ø50 Cycle time: 50 sec Cycle time: 30 sec Torque converter: one-way clutch ø5 Cycle time: 35 sec (incl load/unload) ø0 Cycle tlme: 0 sec General-purpose engine: assembly crank 0 Cycle time: 30 sec (incl load/unload) ø50 Quill drawing m M Q D Bearing dia ød ød h7 ød1 B ød Standard sizes, 1, 20, 25, 32, 40, 50, 3, 0, 0, 0, effective

8 Compact CNC in pursuit of better price-performance Make your machine utilization rate soar MacMan Standard Far less trouble-shooting downtime As soon as an alarm is indicated, the NC has the printer print out a hard copy of the information needed to trouble-shoot the problem. You can fax the copy right to the service center and spare yourself the usual long and involved phone calls. Reduced setup change time By streamlining the file operation order, input/output of part programs takes far less time. End-users can use a conventional PC to display their own operation procedure up on the NC screen. Provides real-time results information The CNC compiles actual production data as it happens and outputs it to the screen. Operators can use the data make to improvements Accurate up-to-date information at your fingertips The end-user, armed with a PC, can manage things right on the spot in the way he or she wished. OSP-U20G Absolute position feedback Okuma's absolute position feedback system saves your current position when power failures or inadvertent operator errors occur, making zero point recovery restarts unnecessary. That's why Okuma's OSP CNCs have been keeping customers happy for over 30 years. Improved ease of use Flat panel Simplified setting of workpiece and diagram zero points Energy-saving functions Saves energy with power-saving timer Display screen off, mist collector stopped, in-machine lighting off Energy-saving ED lighting in machine Machine & Control mechatronics OSP was originally developed by Okuma. Okuma offers a truly integrated single source mechanical and electrical entity because Okuma totally controls the manufacture from design to inspection. Reliable and variable software Okuma has developed their systems with next-generation flash memory for the most reliable CNCs available. Use our NC controllers for cutting-edge functions and performance. An assistant for key operations Help function Standard When you cannot find specified G code/m code etc. in machining programs, one touch on 'Help' key enables you to see the content of each code on NC display, efficiently assisting you in machining operations. When an alarm is activated, the 'Help' key will display the content of alarm on NC display, assisting the operator in troubleshooting. OSP-U20G Standard Specifications Axis control Machine controles Spindle control Grinding wheel spindle Position feedback No. of control systems Feed drives Unit systems coandable Min input Max input Display/operating Display panel Data setting function Display function Program edit function Prograing operations Program selection Work select (index program) Sequence number search Sequence restart Manual interrupt PC monitor Prograing Program format Inch/metric switchable Basic interpolation Coordinate systems Tool functions Grinding wheel data calculation coand Fixed grinding cycles Fixed dressing cycles /rev and /min combination prograing Chamfering, corner R Arc radius prograing Taper angle prograing User task 1 Simultaneous X and Z axes: 2 axes 2 linear axes 1 axis, B motor spindle, S 4-digit coand, constant speed Spindle rotation override 50 to 200% 1 axis (Inverter control) Spindle speed (G mode) SW -digit cmd, cutting speed (G mode) SW -digit cmd Grinding wheel constant speed function (G) Grinding wheel spindle override 50 to 0% Max spindle speed limitation (G50), max peripheral speed limitation (G50) OSP type all-range absolute position feedback One system override switch 0 to 200% steps Rapid traverse during single block off in auto mode is 0% fixed, feedrate other than that on the left is 0 to 200% steps (0.1 µm), (1 µm), 0.01, , 0.01, (0.1 µm) Decimals as: digits, ±..4 inch VGA TFT color CD (VGA 40 x 40) Flat panel Zero point offset, grinding wheel data, grinding wheel management data, diagram data, software limit, chuck/tailstock barrier and more can be set Simple zero setting Actual position, program, block data, check data, alarm display Operation status is indicated with lamps (running; S, T, M; temporary stop; program stop; limit; alarm) Screen editing is done while program is displayed on screen Program copying, name change, deletion, protection, verification Tape read, punch, date input, list display Memory initialization and formatting Program needed for machining is selected from among registered programs of many types Single selection possible by registering program needed to machine workpiece in index program. (a) grinding cycle, (b) wheel trueing cycle (c) wheel straightening cycle Program proceeds to the specified sequence number. Return to specified sequence, auto restart from returned point Manual operation during auto operation. Auto return to interrupt point Supports maintenance work after machine shutdown adder display, data trace, etc ISO/EIA auto discrimination inear interpolation, circular interpolation Workpiece cords (G11 X axis, Z axis) / grinding wheel cords (G U axis, W axis) Grinding wheel data (wheel offset, wheel size) sets Diagram data (tip coordinates) Max sets Auto calculation of wheel size and wheel data update after dressing (a) Inner (outer) face plunge (b) Inner (outer) face axial face (tapered) multiplunge (c) Axial face plunge (d) Inner (outer) axial face simultaneous plunge (e) Parallel traverse inner (outer) face, axial face (f) Tapered traverse inner (outer) face, axial face Profile grinding (a) Copying profile execution, (b) Profile generation grinding (a) Inner (outer) grounding wheel outer face (b) Inner (outer) grounding wheel left axial face (c) Inner (outer) grounding wheel right axial face (d) Axial grinding wheel, (e) Wheel dressing fixed cycle Angular wheel, simultaneous on axial and outer faces (angular wheel only) G5, G4 Use feedrate in /rev and /min: combination of /rev and /min Circular interpolation by coanding radius and end point X(U), Z(W). Taper interpolation possible by designating angles from end point and start point of X (U) and Z (W) GOTO statement, IF statement, arithmetic operation ocal variables, system variables Coon variables 200 sets Calculation and travel of G code zero offset Positioning to HP parameter set position ( sets) Zero shift Home position function Program capacity Program storage capacity 10 m Operation backup capacity 10 m MacMan Machining records Totals and displays machining status per selected main program Operating results totals/ Machine operating times (power ON, cutting, etc) display Input of reasons for non-operation Operating history Time charts of machine operating status Trouble information Auto totaling of data required for troubleshooting (alarm history, etc) File output of results, Machining, operating, operating history, trouble info trouble information Monitoring NC grinding load monitor Grinding load display Grinding overload detection function (ampere display) Gap elimination function (ampere display) Chuck barrier Set up grinding wheel off-limit area depending on chuck shape Tailstock spindle barrier Set up grinding wheel off-limit area depending on tailstock quill shape External I/O, counication functions RS-232-C Interface RS-232-C interface (cable not included) High-speed / high-accuracy functions Hi-G control Positioning accel/decel per motor speed/torque characteristics Droop control Other functions Energy-saving When cycle start does not occur within set time, machine goes into energy-saving mode Mist collector stop, screen display off OSP-U20G Optional Specifications Item Interactive capacities I-GAP One Touch IGF G Prograing Inch/metric switchable User task 2 Coon variables (Standard: 200 sets) Program capacity Tape storage capacity (Standard: 10 m) 1 program capacity (Standard: 10 m) Monitoring 3-step status indicator lamp Operation end lamp Alarm lamp NC operation monitor Work counter Kit Specifications Sub-programs, arithmetic, functional With I/O terminals 1,000 sets (no backup from 201) 320 m 40 m 1,20 m 2,50 m 320 m 40 m Type B Type C Yellow revolving light Red revolving light -digit resetting -digit resetting or not Hour meters Power ON, resettable Spindle ON, resettable or not Auto operation ON, resettable or not Displays wheel change indication Displays wheel change warning AE sensor contact Acoustic emission sensor detects wheel/workpiece contact Measuring Post-process work gauging ocator 5-step, 7-step systems BCD system Wheelhead mounted; Marpos T25G Table mounted; Marpos UNIMAR + E3µ External input/output counication RS-232-C interface USB memory FD adaptor input/output: 1.44 MB DNC-A DNC-A Additional channels DNC-T1 DNC-T3 Automation Oriented spindle stop Auto power shutoff Warm-up External workpiece selection External coand BCD 4-digit Okuma robot, loader I/F (built-in) Okuma robot, loader I/F (independent) Other manufacturers Okuma standard / B standard robot, loader I/F Okuma standard / C standard User designation Dressing during loading Cycle time reduction Other functions Spare M codes Electric Proximity SW Machining completion, alarm Above + external coand Rotary switch types Digital switch types External coand BCD 2-digit 2 sets 4 sets Chuck/tailstock quill operation during program stop Auto wheel runout Video simulation Emergency return (not applicable in internal grinding) Pulse handle overlap setter (touch probe req) * NM: normal, ANM: animation, E: economy, D: deluxe NM ANM I-GAP E D E D E D 14

9 GI-N Sludge box Magnetic separator Control box Work spindle Dimensional / Installation Drawings 350 (Z-axis travel) 2,050 Coolant tank ,0 (25) (X-axis travel) (207) Operation panel Hydraulic unit Air panel lnternal grinding spindle cooling water tank lnternal grinding spindle (optional) Spindle center CNC Internal Grinder for Mass Production When using Okuma products, always read the safety precautions mentioned in the instruction manual and attached to the product. 1,0 1,00 This product is subject to the Japanese government Foreign Exchange and Foreign Trade Control Act with regard to security controlled items; whereby Okuma Corporation should be notified prior to its shipment to another country. The specifications, illustrations, and descriptions in this brochure vary in different markets and are subject to change without notice. Pub No.GI-NII-E-(a)-400 (Oct 20), OGUCHI-CHO, NIWA-GUN, AICHI 40-0, JAPAN TE (057) FAX (057) 5-074