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CG-80B

CG-80B

Centerless Grinder



Model: CG-80B

Grinding diameter: 5-80mm
Grinding length: 180mm
Grind-wheel size: P500x150x305mm

Regulate-wheel size: PSA300x150x127mm

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Product Description

Centerless Grinder



Model: CG-80B

Grinding diameter: 5-80mm
Grinding length: 180mm
Grind-wheel size: P500x150x305mm

Regulate-wheel size: PSA300x150x127mm



Technical Specification


Model

Unit

CG-80B

CG-83B

CG-100

Plunge feed





Grinding diameter                                  

mm

5-80

10-150

10-100

Max. grinding length

mm

140

190

195

Through-feed





Grinding diameter

mm

5-80

10-150

10-100

Max. grinding length

mm

180

250

210

Grinding wheel specifications

mm

P500x150x305

P600x200x305

P500x200x305

Regulating wheel specifications

mm

PSA300x150x127

PDA350x200x203

PDA350x200x203

Grinding wheel speed

rpm

1300

1115

1338

Regulating wheel speed (stepless)

rpm

10-200

10-200

10-200

Regulating wheel frame swivel angle





In vertical plane

°

-2°~ 5°

-2°~ 5°

-2°~ 5°

In horizontal plane

°

0°~ 3°

0°~ 3°

0°~ 3°

Hand wheel feed per division

mm

0.0025

0.01

0.002

Hand wheel feed per revolve

mm

/

1.5

/

Micro feed per hole

mm

/

0.005

/

Hand wheel of dresser feed per division

mm

/

/

0.01

Height from centerline of gri.wheel & reg.wheel to workrest

mm

210

285

255

Power





Grinding wheel motor power

kw

15

22

18.5

Regulating wheel motor power

kw

1.5

3

2.2

Machine power supply

-

3N, 50HZ, 380V

3N, 50HZ, 380V

3ph, 50HZ, 380V

Machine dimensions (L×W×H

mm

1950x1580x1485

2650x1500x1800

2675x1505x1615

Machine weight

kg

3500

7000

4500

Machining accuracy (standard bars)





Roundness

mm

0.002

0.002

0.002

Cylindricity

mm

0.003

0.003

0.003

Roughness

um

Ra0.32

Ra0.32

Ra0.32






Product Details


Machine tool main characteristics:

  • Through feed grinding--Through-grinding processing of various cylindrical parts, ring parts and long bars.

  • Plunge feed grinding manually --For the cutting and grinding of cones and various shaped rotating parts. (CG-80B, CG-83B)

  • Plunge feed grinding sime-automatically or automatically --For the cutting and grinding of cones with a cone less than 1:20 and various shaped rotating parts. (CG-100)


Grinding bed:

  • The normalized heat treatment and natural aging treatment of high-quality castings are used to stabilize the internal structure, ensure strong wear resistance and small deformation during use.


Grinding and regulating device:

  • The machine tool adopts the fixed wheel frame and the movable layout of the guide wheel frame.

  • The grinding wheel has a cantilever structure, and the spindle of the grinding wheel adopts multi-piece long-axis bearing dynamic pressure oil film bearings.

  • The regulating wheel is a cantilever structure, and the guide wheel spindle adopts an integral 1:30 cone sliding bearing.


Feeding device:

  • The feed rail of the regulating wheel frame adopts a dovetail needle roller guide, and the feed uses a differential screw.


Dressing device:

  • The reciprocating of the sand and guide wheel dresser adopts hydraulic transmission and stepless speed regulation.


Electric control device:

  • Regulating wheel adopts AC frequency conversion stepless speed regulation.





Standard Accessories


  • Wheel chuck

  • Through feed work rest

  • Plunge feed work rest

  • Blade

  • Balancing spindle



Optional Accessories


  • Balancing stand

  • Oil temperature cooler

  • Magnetic separator

  • Paper tape filter

  • Vibration feeder

  • Automatic roller type loader and unloader

  • Pushing plate feeder

  • Plunge grinding feeder



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