Grinding Cycle
1. Plunge grinding
2. Traverse grinding
Both sides feed
LHS feed
RHS feed
3. Plunge
Both sides feed
LHS feed
RHS feed
4. OD +End Face Grinding
ID Grinding Cycle (using OD Grinding Cycle)
1. Plunge
2. Traverse
iGrind Operation
Graphic Conversational Program Functions :
- OD Grinding / End Face Grinding / Form Grinding
- Form Dressing w/ Auto Compensation
- Multiple Section Grinding Sequences
- Setup Parameter Storage
- Graphic Parameter Instruction
Grinding Sample
Specification
| Compare EGA- 3260 |
Compare EGA- 32100 |
Compare EGA- 32150 |
Compare EGA- 32200 |
Compare EGA- 3860 |
Compare EGA- 38100 |
Compare EGA- 38150 |
Compare EGA- 38200 |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Grinding Capacity | Swing over table | mm | Ø320 | Ø320 | Ø320 | Ø320 | Ø380 | Ø380 | Ø380 | Ø380 | |
| Distance between centers | mm | 600 | 1000 | 1500 | 2000 | 600 | 1000 | 1500 | 2000 | ||
| Max. grinding daimeter | mm | Ø300 | Ø300 | Ø300 | Ø300 | Ø360 | Ø360 | Ø360 | Ø360 | ||
| Max. grinding length - dresser on workhead side | mm | 450 | 850 | 1350 | 1850 | 450 | 850 | 1350 | 1850 | ||
| Max. grinding length - dresser on tailstock side (Opt.) | mm | 600 | 1000 | 1500 | 2000 | 600 | 1000 | 1500 | 2000 | ||
| Max. load held between center | kg | 150 | 150 | 150 | 250 | 150 | 150 | 150 | 250 | ||
| Center distance between spindle & slide table | mm | 162 | 162 | 162 | 162 | 192 | 192 | 192 | 192 | ||
| Grinding Wheel | Infeed angle | deg | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | |
| Diameter x Width x Bore | mm | Ø510x50-100xØ152.4 (6") Opt. Ø610x50～100xØ203.2 (8") |
Ø510x50-100xØ152.4 (6") Opt. Ø610x50～100xØ203.2 (8") |
Ø510x50-100xØ152.4 (6") Opt. Ø610x50～100xØ203.2 (8") |
Ø510x50-100xØ152.4 (6") Opt. Ø610x50～100xØ203.2 (8") |
Ø510x50-100xØ152.4 (6") Opt. Ø610x50～100xØ203.2 (8") |
Ø510x50-100xØ152.4 (6") Opt. Ø610x50～100xØ203.2 (8") |
Ø510x50-100xØ152.4 (6") Opt. Ø610x50～100xØ203.2 (8") |
Ø510x50-100xØ152.4 (6") Opt. Ø610x50～100xØ203.2 (8") |
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| Motor rated power / max. torque | Kw/Nm | 7.5kw/49Nm (Opt.11Kw/ 71Nm) |
7.5kw/49Nm (Opt.11Kw/ 71Nm) |
7.5kw/49Nm (Opt.11Kw/ 71Nm) |
7.5kw/49Nm (Opt.11Kw/ 71Nm) |
7.5kw/49Nm (Opt.11Kw/ 71Nm) |
7.5kw/49Nm (Opt.11Kw/ 71Nm) |
7.5kw/49Nm (Opt.11Kw/ 71Nm) |
7.5kw/49Nm (Opt.11Kw/ 71Nm) |
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| Wheel speed | rpm | 1250 (Opt.1650) | 1250 (Opt.1650) | 1250 (Opt.1650) | 1250 (Opt.1650) | 1250 (Opt.1650) | 1250 (Opt.1650) | 1250 (Opt.1650) | 1250 (Opt.1650) | ||
| Workhead | Max. manual swiveling angle | deg | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | |
| Spindle speed (infinite variable) | rpm | 10～600 (infinite variable) | 10～600 (infinite variable) | 10～600 (infinite variable) | 10～600 (infinite variable) | 10～600 (infinite variable) | 10～600 (infinite variable) | 10～600 (infinite variable) | 10～600 (infinite variable) | ||
| Motor rated power / max. torque | kw | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | ||
| Center taper | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | |||
| Center working | Fixed or Rotary | Fixed or Rotary | Fixed or Rotary | Fixed or Rotary | Fixed or Rotary | Fixed or Rotary | Fixed or Rotary | Fixed or Rotary | |||
| Diameter of bore | mm | Ø26 | Ø26 | Ø26 | Ø26 | Ø26 | Ø26 | Ø26 | Ø26 | ||
| Tailstock | Tailstock quill travel | mm | 25 (Opt.50/75) | 25 (Opt.50/75) | 25 (Opt.50/75) | 25 (Opt.50/75) | 25 (Opt.50/75) | 25 (Opt.50/75) | 25 (Opt.50/75) | 25 (Opt.50/75) | |
| Cente taper | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | MT4 (Opt. MT5) | |||
| X axis | Travel | mm | 280 | 280 | 280 | 280 | 280 | 280 | 280 | 280 | |
| Max. rapid feedrate | m/min | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | ||
| Heidenhain linear scale resolution | um | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | ||
| Min. increment | mm | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | ||
| Servo motor rated power | Kw | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | ||
| Z axis | Travel | mm | 900 | 1300 | 1950 | 2450 | 900 | 1300 | 1950 | 2450 | |
| Swiveling angle | deg | ±9 | ±7 | ±5 | ±5 | ±9 | ±7 | ±5 | ±5 | ||
| Max. rapid feedrate | m/min | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | ||
| Min. increment | mm | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | ||
| Servo motor rated power | kw | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | 2.5(F)/3.5(M) | 1.8(F)/2.2(M) | 1.8(F)/2.2(M) | 2.5(F)/3.5(M) | 2.5(F)/3.5(M) | ||
| Motor | Hydraulic motor | Kw | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 | |
| Hydrodynamic GW spindle lubrication pump | kw | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | ||
| Guide way lubrication pump | kw | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | ||
| Coolant pump | Kw | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | ||
| Machine | Net Weight (semi-enclosed splash guard) | kg | 5600 | 5800 | 6300 | 6700 | 5600 | 5800 | 6300 | 6700 | |
| Gross weight | kg | 6420 | 7500 | 7800 | 8200 | 6420 | 7500 | 7800 | 8200 | ||
Standard accessories
| Infinite variable workhead w/servo motor |
| Diamond Dresser and Stand |
| Automatic wheel speed change (15 steps) |
| Carbide tip center |
| X Axis Heidenhain linear scale (resolution 0.05 um) |
| Levelling bolts and blocks |
| Operation manual and part lists |
| Fanuc CNC Controller (Oi TF) |
| Grinding Wheel + Wheel Flange |
| Standard oil cooler (cooling fan) |
| Standard coolant tank 140L |
| MPG handwheel 2 Axes control |
| Touch probe (for EGA series only) |
| LED working light |
| Tools and Tool Box |
| Electricity cabinet w/ heat exchanger |
| Semi-enclosed splash guard |
| Wheel Extractor |
| 4-color indication signal light |
| Electrical wiring diagram |
Optional accessories
| BS VM25 Integration system (OD gauging+ crash & gap control + dynamic balance system) |
| BS VM15 Integration system (OD gauging+ crash & gap control) |
| Hydraulic tailstock (w/ foot pedal) |
| Z Axis Heidenhain linear scale (resolution 0.05 um) |
| Manual grinding wheel balance system (vibrator) |
| Grinding wheel dynamic balance system |
| Wheel spindle lubrication oil cooler for hydrodynamic spindle |
| Gap & crash control device |
| Safety door lock |
| Workhead spindle adjustment arbor |
| Auto gauging device |
| Coolant system with magnetic separator & paper filter |
| Coolant system with magnetic separator |
| Coolant system with paper filter |
| Oil & mist collecting system |
| Spare grinding wheel flange |
| Full-Carbide center tip |
| FANUC 0i-TF iGrind program |
| Mitsubishi controller (M80) iGrind program |
| Electrical cabinet air conditioner |
| Interanl grinding attachment (for EGP series only) |
| Workhead upgrade to MT5 (not suitable for 25 series) |
| Tailstock upgrade to MT5 (not suitable for 25 series) |
| Roller type balancing stand/ arbor |
| Automatic 3-jaw hydraulic chuck |
| CE standard electrical cabinet |
| Touch probe |
| Transformer |
| Workpiece carrier |
| Full-enclosed splash guard |
| Workpiece supporting seat, 2pc / set |
| 2 Point Steady Rest |
| 3-point steady rest |
| 3-jaw scroll chuck |
| 4-jaw scroll chuck |
e-tech Machinery Inc. introduces EGP & EGA Series CNC cylindrical grinders with superb grinding capabilities and choice of control options. The customers’ requirements can be met with a choice of many machine options such as a touch probe, automatic sizing device, or swing down ID grinding attachment. The complete product line offers a wide range of between center distances and center heights in both plunge and angular wheelhead designs. Automation and turnkey solutions can be offered as optional equipment.
CNC Controller
- A selection of CNC control systems including Fanuc, Mitsubishi, Siemens, PC-BASE are available.
- For small and medium size workpiece grinding operations, e-tech incorporates the iGrind graphic conversational programming software.