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GK200-1

GK200-1

High Precision CNC Cylindrical Grinder



Model: GK200-1

Center height: 135mm
Diameter ground (O.D): 8-200mm

Wheel size: 400x50x203mm
CNC system: SIEMENS

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Product Description

High Precision CNC Cylindrical Grinder



Model: GK200-1

Center height: 135mm
Diameter ground (O.D): 8-200mm

Wheel size: 400x50x203mm
CNC system: SIEMENS



Technical Specification


Specification

Unit

GK200-1

Capacity



Distance between centers

mm

500/750

Center height

mm

135

Dia. ground (O.D)

mm

8-200

Max. weight of workpiece

kg

50

Workhead



Spindle taper

/

MT4

Spindle speed (stepless)

r/min

60-600

Wheelhead



Max. dimension of wheel (O.DxWxI.D)

mm

400x50x203

Wheel peripheral velocity

m/s

35

Min. set unit

mm

0.0001

Table



Max. swiveling angle of table (Clockwise)

°

5° (500), 3° (750)

Max. swiveling angle of table (Anticlockwise)

°

9° (500), 6° (750)

Tailstock



Quill taper

/

MT4

Quill travel

mm

30

Electric system



CNC system

/

SIMENS 828D, FANUC 0i-TF

Wheelhead motor power

kw

5.5

Workhead motor power

kw

1.1

Machining accuracy



Roundness

um

0.5

Cylindricity

um

2 (500), 3 (750)

Roughness

um

Ra0.04

Other



Gross weight

tons

5.5/6

Packing size (LxWxH)

cm

340/400x240x220






Product Details


  • The table (Z-axis) guide adopts open unloading hydrostatic guide structure, and the transverse feed (X-axis) adopts Swiss N/O linear guide structure. It adopts high precision roller screw drive, zero clearance, low speed and no creep.

  • The spindle of the grinding whel adopts large taper, four oil wedge, automatic adjustable hydro-dynamic pressure bearing, the workhead adopts hydro-static spindle center-fixed grinding structure, the tailstock adopts dense bead sleeve or linear bearing structure, the whole machine has strong rigidity and high precision.

  • The machine bed adopts double-layer structure (finite element analysis), the casting with special ratio is cast in one piece, and the combined surface is manually precision scraped, thus the thermal deformation is stable and the accuracy is stable for a long time. 

  • Roundness: ≤0.0005mm  Cylindricity: ≤0.002mm  Roughness (Ra): ≤0.04um.



Standard Accessories


  • SIEMENS CNC system

  • Grinding wheel

  • Grinding wheel flange

  • Driving dog

  • Grinding wheel dresser 

  • Wheel balancing arbor

  • Open type steady rest 

  • Dead centers

  • Coolant system

  • Work lamp

  • Leveling wedge

  • Operation manual (English edition)






Optional Accessories


  • Wheel balancing stand 

  • Radius dresser 

  • Paper filter

  • Magnetic separator

  • Diameter measuring instrument



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