Skok Machine Tools

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011 392 3710-(JHB) / 041 363 8535-(PE)

Equiptop - Conventional Surface Grinders - ESG-3A3280
Equiptop - Conventional Surface Grinders - ESG-3A3280

L ongitudinal Hydraulic, Crossfeed Motorized With Auto Infeed & Speed Adjustable Constant Feed, Vertical DC SERVO Controlled, Vertical Rapid Feed.
Table Size 810x2050mm(32"x80")
Max.grinding length Longitudinal 2050mm(81")
Max.grinding width Crosswise 810mm(32")
Max. distance from table surface to
spindle centerline
Standard magnetic chuck size 800x1000mm x2pieces(31.5"x39.37"x3pieces)
Longitudinal movement of table Max. travel, hydraulic 2100mm(82.5")
Max. travel, manual 2200mm(86.5")
Table speed infinitely variable 5~30m/min
Cross transverse travel Auto transverse increment (jog) 1~25mm(0.04"-1")
Auto constant feeding speed 30~280mm/min(1 1/4"~11"/min)
Max. auto transverse travel 870mm(25.5")
Max. manual transverse travel 885mm(26.3")
Handwheel per revolution 5mm(0.2")
Handwheel per graduation 0.02mm(0.001")
Wheelhead vertical infeed Automatic infeed
  • D:0.001/0.002/0.003/0.004/0.005 /0.01/0.015/0.02/0.03/0.04mm (0.5/1/1.5/2/2.5/5/7.5/10/15/20x1/10000")
  • Jogging downfeed:0.001mm(0.5/10000")


Step feed (Jog)
  • Jogging step increment:0.001~0.040mm(0.5~20/10000")
Manual pulse generator
(per graduation)
  • D:0.001mm(0.00005")/optional
Rapid travel, approx 150mm(6")/min
Slow travel, approx
  • 6mm(0.25")/min
Handwheel revolution 0.5mm(0.025")
Handwheel graduation 0.005mm(0.00025")
Grinding spindle drive Speed 60HZ,1100R.P.M.;50HZ,900R.P.M.
Power rating Standard:20HP/6P(15KW) Optional:25HP/6P(18.75KW),30HP(22.5KW)
Standard grinding wheel Diameter 510mm(20")
Width 76MM(3")
Bore 127mm(5")
Hydraulic motor Power rating 7.5HP/6P(5.625KW)
Crossfeed motor Power rating 200W/DCV
Elevating motor Power rating 200W/DCV
Total space require (L x W x H) 5360x3500x2350mm(211"x138"x93")
Weights Net weight, 10200KGS(22440LBS)
Gross weight, 12000KGS(26400LBS)
Rated power, Approx Standard 28HP(21KW)
Optional 33.5HP(25.125KW) / SPINDLE 25HP ; 38.5HP(28.875KW) / SPINDLE 30HP
Packing dimensions L x W x H 7000x3600x3000mm(236"x142"x118.1")

NOTE:1 The manufacturer reserves the right to modify the design, specifications, mechanisms, etc., to improve the performances of the machine without notice. All the specifications shown above are just for reference.

  • Means only D models are available.


General Features:

Enlarged, strongly ribbed column, especially suitable for heavy duty grinding.
Construction of table, saddle and base is casted with high grade casting iron, strongly ribbed.
Spindle is supported by front four & rear two precision angular contact ball bearings.

All slideways and screws are fully oiled by Automatic Continuous Lubrication System to eliminate wears on slideways & screws.

Hydraulic transverse, constant speed function,. manual speeder handle, table double V slideway, high stability, high rigid casting construction.
Linear motion guideway, Ballscrew transverse, DC Servo motor & digital positioning system. Rapid crossfeed, step feed, speed adjustable constant feed are available.
Use precision Ballscrew.
Provide built-in-type(hidden) proximity switch, features safe and easy operation.
Presettable hydraulic table speed control allows operator to pre-set speed rate, enable to get same speed rate when engaging hydraulic table every time


Longitudinal Double V Slideway, Double Cylinder ยท Cross Linear Motion Guideway, Ballscrew Vertical Ballscrew
Cross Digital Positioning System Longitudinal Hydraulic Manual Speeder Handle Presettable Table Speed Control

Optional Accessores:
Electro Magnetic
Inclinable Permanent
Magnetic Chuck

Spare Wheel


Work Lamp(Quartz)
Balancing Stand(Double Line) Frequency Changer Chuck Control With Demagnetizer Coolant System With Auto Paper Feeding Device
Auto Paper Feeding Device With Magnetic Separator Full Guarded Splash Guard Electro Parallel Dressing Attachment Screw Type Parallel Dressing Attachment
Ratchet Type Electro Parallel Dresser Digital Readout


Standard Accessories:
1. Splash guard 5. Diamond dresser 9. Leveling screws/blocks
2 Grinding wheel 6. Wheel extracting screw & nut 10 .Tool box w/tool
3 Balancing arbor 7. Auto lube system 11.Sweeping plate
4.Wheel Flange 8. Touch-up paint 12.Cross & vertical ballscrew