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J & W Official Announcemen..
 
17/07/09
JG610H/JG640L
JG610H/JG640L Vertical Machining Center

FEATURES:
The pre-tension precision angular contact ball bearings imported from abroad, offer maximum rigidity and precision of spindle. Main spindle adopt AC servo or inverter unit, so spindle with high rigid and little vibration.
Ballscrew adopt super long high precious C3 grade double nuts preloaded, this ensures high positioning accuracy and reliability
With special guideway seat design, narrow guide distance, wide guide face, supporting on whole travel range, sliding guideways series machining center have the advantages of no overhang, strong load and larger torque cutting, also coated with wearable TURCITE-B fluorin resin plastics, and presious scratch and grind by hand, make axes smoothly motion and machine have unvarying precision.
RENISHAW double frequency laser interferometer is used to test the positioning accuracy and repeatability of machine and ensures high precious pitch compensation and backlash compensation.
Important elements and test pieces cut on the machine are tested by BROWN & SHARPE 3D coordinate measuring machine.
Sliding guideway series machining center have wide guideway and good loading capacity, they are suitable for high rigidity, high precision and high efficiency machining occasions.
Positive-displacement timing and rationing centralization lubrication system is used. This ensures every oil site is lubricated with sufficient oil. Bothe oil low level buzzer and PLC give warning signal reminding the operator of adding lubricant.
Large power, large capacity and high lift coolant pump ensure sufficient cooling and effective chip flushing (optional)
 
 
  SPECIFICATIONS:   JG610H
  JG640L
Worktable size
320 x 1000mm
400 x 900mm 
T-slot size
3 x 18
 3 x 18
T-slot pitch
80mm
 100mm

Cross travel(X axle)

610mm
 640mm

Longitudinal travel (Y axle)

330mm
400mm
Vertical travel(Z axle)
406mm
 400mm
Distance from column front to spindle center 
360mm
 440mm
Distance from table top surface to spindle nose 
150-556mm

 120-520mm

Overall size(L x W x H)
1700 x 2260 x 2200mm

 2200 x 2270 x 2300mm

Max. worktable capacity
400kg

 400kg

Weight of machine
3000kg

4000kg

Spindle hole taper
BT40

 BT40

Spindle power
5.5kw

5.5kw

Max. spindle speed
6000rpm
6000/8000rpm
Max. feed speed
4000mm/min
6000mm/min
Rapid feed speed(X/Y/Z)
10/10/8m/min

24/24/18m/min

Positioning accuracy(X/Y/Z)
±0.015mm

±0.01mm

Repeatabaility(X/Y/Z)(X,Y,Z)
±0.008mm

±0.005mm


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