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G-200H

G-200H

External Cylindrical Grinder



Model: G-200H

Center height: 135mm
Diameter ground (O.D): 8-200mm
Grinding length: 500/800mm

Wheel size: 400x50x203mm

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Product Description

External Cylindrical Grinder



Model: G-200H

Center height: 135mm
Diameter ground (O.D): 8-200mm
Grinding length: 500/800mm

Wheel size: 400x50x203mm



Technical Specification


Specification

Unit

G-200H

UG-200H

Dia. ground (O.D)

mm

8-200

8-200

Dia. ground (I.D)

mm

-

13-100

Center height

mm

135

135

Workhead spindle speed

rpm

25-380

25-380

Max. table travel

mm

650 (950)

650 (950)

Table hydraulic feed speed

m/min

0.1-4

0.1-4

Loading capacity

kg

50

50

Grinding length (O.D/I.D)

mm

500/- (800/-)

500/125 (800/125)

Table swivel angle

°

-5~+9° (-3~+7°)

-5~+9° (-3~+7°)

Max. peripheral speed of grinding wheel

m/s

38

38

External wheel size

mm

Max: Ф400x50xФ203; Min: Ф280x50xФ203

Max: Ф400x50xФ203; Min: Ф280x50xФ203

Internal grinding spindle speed

rpm

-

16000

Workhead and tailstock center

-

MT4

MT4

Machine motor power

kw

5.625

5.625

Roundness (O.D/I.D)

um

1.5

1.5/2.5

Roughness (O.D/I.D)

um

Ra0.32

Ra0.32/Ra0.63

Unifomity of dia.in longitudinal section (O.D/I.D)

um

5

5/8

Machine dimensions (LxWxH)

mm

2500 (3000) x1600x1500

2500 (3000) x1600x1500

Machine weight

kg

2500 (3000)

2500 (3000)






Product Details


  • UG-200H: With Internal & External Grinder; G -200H: Only External Grinder Without Internal Grinder.

  • G-200H and UG-200H cylindrical grinding machine is suitable for outside grinding operations up to 200 mm in diameter. UG-200H comes complete with an inside grinding device to increase the application range significantly. Most commonly this model is used in machine construction, tool and mould shaping and in the production of small series.

  • Well designed perfect symmetrical structure, high quality cast-iron integrated casting bed insure the excellent stability of  machine. "T" type structure reduces the effect of oil temperature rise on bed deformation ensures higher accuracy.

  • Hardened guideways are finely ground, andcoated with turcite and precision hand scraped, moving smoothly and keep the accuracy.

  • Grinding spindle with segmented high-precision bearings, adjustable and low maintenance. Grinding spindle adopts oil-bath lubration and coolant (N2 oil).

  • Workhead spindle speeds are infinitely variable and driven frequency motor and interver, can be easily adjusted and optimized during the machining process.

  • Standard tailstock can opearte either manual by handle or hydraulic control by foot pedal, sometime hand wheel on the end of tailstock can adjustable clamping force.

  • Table can swivel certain angle for grinding conical cylinder; Headstock can swivel ±45° for grinding inside conical cylinder; Wheelhead can siwivel 180° for change outside grinding to inside grinding.

  • Longitudinal movement of table is either manually by handwheel or automatically by hydraulic feed, Cross movement of wheelhead is either manually by handwheel or automatically by hydraulic rapid feed.

  • The centralized operator panel and reasonably distributed action handles are very clear and user-friendly on the front of the machine.

  • Adopts famous-brand components, safe and reliable electrical control, safety interlocking protection system, be designed according to CE tension electric requirement.

  • Φ52mm through hole of work-head is optional.





Standard Accessories


  • Grinding wheel

  • Grinding wheel flange

  • Three jaw chuck (UG-200H)

  • Driving dog

  • Arbor for internal grinding UG-200H)

  • Grinding wheel dresser 

  • Wheel balancing arbor

  • Open type steady rest 

  • Dead centers

  • Frequency inverter

  • Coolant system

  • Work lamp

  • Leveling wedge

  • Operation manual (English edition)





Optional Accessories


  • Wheel balancing stand 

  • Radius dresser 

  • Close type center rest 

  • Digital readout

  • Paper filter

  • Magnetic separator


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