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Classification Introduction

VMC 855
* The VMC 855 is compact design suitable for machining small and medium-sized products.
* Precision linear guides and powerful servo drives.
* Stable cast frame in rigid bed construction.
* Precision ball screws with preloaded nuts in all 3 axes.
* Central lubrication for guide ways and ball screws.
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Model  No.VMC 855
Working area
Table size1000x550mm
Table load capacity650kg
T-slot (number/width/distance)5/18/120mm
Spindle nose to table surface distance120-670mm
Spindle to coloum distance595mm
Travel
Travel X-aixs800mm
Travel Y-aixs550mm
Travel Z-aixs550mm
Headstock
Spindle speed8000rpm
Spindle taperBT40
Feed speed
Rapid feed X-axis48m/min
Rapid feed Y-axis48m/min
Rapid feed Z-axis48m/min
Work feed1-10000mm/min
Tool head
Number of tool station24T
Tool station typeArm
Diameter of tool78mm
Tool length (max)300mm
Tool weight (max)8kgs
Tool changing time2.3sec
Accuracy
Positioning accuracies±0.005mm
Repeatable positioning accuracies±0.003mm
Drive Capacity
Main motor7.5/11kw
X-axis servo motor2.0kw
Y-axis servo motor2.0kw
Z-axis servo motor3.0kw
Total power consumption18kw
Ball screws and Linear
Diameter of X/Y/Z axis ball screwsΦ40
Linear guideway width/guideway number/block number-X axis35/2/4
Linear guideway width/guideway number/block number-Y axis45/2/4
Linear guideway width/guideway number/block number-Z axis45/2/6
Shipping information
Net weight5500kg
Machine working dimension4000x2450x2450mm
Packing size3950x2300x2500mm
Coolant tank capacity300L
Standard accessories Optional accessories
Siemens 828D control system10000rpm spindle with oil cooling
Schneider electrical unitsChain type of chip conveyor
Spindle (Taiwan - Kenturn or Volis)The 4th of axis
Arm tool  station (Taiwan - Okada or Relib)Renishaw tool automatic setting TS27R
Linear guideway (Taiwan - Hiwin or PMI)
Ball screws (Taiwan - Hiwin or PMI)
Bearing (Janpan - Koyo)
Pneumatic parts (Taiwan - Mindman)
Screw type of chip conveyor


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