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Cylindrical Grinder

Angular Type Cylindrical Grinder

EGA CNC Series

Grinding Cycle

1. Plunge grinding
1. Plunge grinding
2. Traverse grinding
2. Traverse grinding
Both sides feed
Both sides feed
LHS feed
LHS feed
RHS feed
RHS feed
3. Plunge
3. Plunge
Both sides feed
Both sides feed
LHS feed
LHS feed
RHS feed
RHS feed
4. OD +End Face Grinding
4. OD +End Face Grinding

ID Grinding Cycle (using OD Grinding Cycle)

1. Plunge
1. Plunge
2. Traverse
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- 2550
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EGA- 3260
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EGA- 32100
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EGA- 32150
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EGA- 32200
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EGA- 3860
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EGA- 38100
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EGA- 38150
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EGA- 38200
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EGA- 5060
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EGA- 50100
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EGA- 50150
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EGA- 50200
Grinding Capacity Swing over table mm Ø250 Ø320 Ø320 Ø320 Ø320 Ø380 Ø380 Ø380 Ø380 Ø500 Ø500 Ø500 Ø500
Distance between centers mm 500 600 1000 1500 2000 600 1000 1500 2000 600 1000 1500 2000
Max. grinding daimeter mm Ø230 Ø300 Ø300 Ø300 Ø300 Ø360 Ø360 Ø360 Ø360 Ø480 Ø480 Ø480 Ø480
Max. grinding length - dresser on workhead side mm 350 450 850 1350 1850 450 850 1350 1850 450 850 1350 1850
Max. grinding length - dresser on tailstock side (Opt.) mm 500 600 1000 1500 2000 600 1000 1500 2000 600 1000 1500 2000
Max. load held between center kg 80 150 150 150 250 150 150 150 250 150 150 150 250
Center distance between spindle & slide table mm 130 162 162 162 162 192 192 192 192 255 255 255 255
Grinding Wheel Infeed angle deg 60 60 60 60 60 60 60 60 60 60 60 60 60
Diameter x Width x Bore mm 510x50xØ127 (5") 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")
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")
Motor rated power / max. torque Kw/Nm 3.75kw / 13Nm 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)
7.5kw/49Nm
(Opt.11Kw/ 71Nm)
7.5kw/49Nm
(Opt.11Kw/ 71Nm)
7.5kw/49Nm
(Opt.11Kw/ 71Nm)
7.5kw/49Nm
(Opt.11Kw/ 71Nm)
Wheel speed rpm 1400 1250 (Opt.1650) 1250 (Opt.1650) 1250 (Opt.1650) 1250 (Opt.1650) 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 Swiveling angle deg 90 90 90 90 90 90 90 90 90 90 90 90 90
Spindle speed 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) 10~600 (infinite variable) 10~600 (infinite variable) 10~600 (infinite variable) 10~600 (infinite variable) 10~600 (infinite variable)
Servo motor rated power kw 0.75 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Center taper MT3 MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5)
Spindle type Fixed or Rotary Fixed or Rotary Fixed or Rotary Fixed or Rotary Fixed or Rotary 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 Ø20 Ø26 Ø26 Ø26 Ø26 Ø26 Ø26 Ø26 Ø26 Ø26 Ø26 Ø26 Ø26
Tailstock Quill travel mm 25 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) 25 (Opt.50/75) 25 (Opt.50/75) 25 (Opt.50/75) 25 (Opt.50/75)
Cente taper MT3 MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) MT4 (Opt. MT5) 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 200 280 280 280 280 280 280 280 280 280 280 280 280
Rapid feedrate m/min 6 6 6 6 6 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 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 0.0001 0.0001 0.0001 0.0001 0.0001
Servo motor rated power Kw 1.2(F)/1.5(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) 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 750 900 1300 1950 2450 900 1300 1950 2450 900 1300 1950 2450
Swiveling angle deg ±7 ±9 ±7 ±5 ±5 ±9 ±7 ±5 ±5 ±9 ±7 ±5 ±5
Max. rapid feedrate m/min 8 10 10 10 10 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 0.0001 0.0001 0.0001 0.0001 0.0001
Servo motor rated power kw 1.2(F)/1.5(M) 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) 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 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 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 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 0.2 0.2 0.2 0.2 0.2
Machine Net Weight (semi-enclosed splash guard) kg 3100 5600 5800 6300 6700 5600 5800 6300 6700 5600 5800 6300 6700
Gross weight kg 3500 6420 7500 7800 8200 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.