Cylindrical Grinders

Features: Cylindrical grinders: grinding external cylindrical parts. Universal cylindrical grinders: grinding external and internal cylindrical parts. 1.The cylindrical grinders are based on the advantages of the major grinder professional manufacturing units, to improve to new product with high...

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Features:


Cylindrical grinders: grinding external cylindrical parts.

Universal cylindrical grinders: grinding external and internal cylindrical parts.

1.The cylindrical grinders are based on the advantages of the major grinder professional manufacturing units, to improve to new product with high performance and price ratio. It has high grinding accuracy, strong rigidity, high efficiency, etc.

2.The cylindrical grinders are used for grinding a variety of small parts cylinder, the conical inside and outside the circle and outside the circle and the end surface.

3.The universal cylindrical grinders are the latest up to upgrade products. For grinding the workpiece of inner and outer cylindrical and tapered, the most suitable for single piece and small batch production use.

4.Head-stock by a variable frequency motor drive, continuously variable transmission, stepless speed.

5.Longitudinal movement of the machine by hydraulic step less transmission, can also hand-wheel drive; wheel lateral movement with hydraulic quick retreat and manual feed function.

6.Φ52mm through hole of work-head is optional.


Mechanical Structure of Cylindrical Grinders


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Views of Cylindrical Grinders
Headstock:
Clamping workpieces(centers or chuck): Without installed 3/4-jaw chuck(G-series); With installed 3/4-jaw chuck (UG-series).
Driven by variable frequency motor, through excellent converter so to step less speed; Driven by three-ph motor, manual shift so to multiple steps speed.

Internal grinding spindle (optional):
External and internal grinding spindle are driven by the same motor, swivel angle of wheelhead is 180°, can realize two spindle exchange.
External and internal grinding spindle are driven by independent motor, internal grinding device hung on the front of wheelhead, two spindle up and down exchange.

Operating panel and operating shanks:
Central type layout, humanization design, it convenient for operators to use.
Assembly process strictly, ensure the sensitivity and accuracy of all shanks; With clear identification, ensure operating simple.
Adopt high quality hydraulic components, ensure the performance of whole machine.

Tailstock & electrical cabinet:
Quill of tailstock moves by manual and hydraulic driven, with foot-switch for operating easy and convenient.
Adopt famous-brand electronic components.

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Technical parameter:


Model

Units

G-200

UG-200

External grinding diameters

mm

Φ8~Φ200

Φ8~Φ200

Internal grinding diameters

mm

-

Φ13~Φ100

Center height

mm

135

135

Workhead spindle speed(stepless)

rpm

25~380(50HZ)

25~380(50HZ)

Max. travel of table

mm

650/950

650/950

Hydraulic traverse speeds

m/min

0.1~4

0.1~4

Max. workpiece weight

kg

50

50

Grinding length external/internal

mm

500/800

500/125(800/125)

Swivel range of grinding wheel

°

-5°~+9° (-3°~+7°)

-5°~ +9° (-3°~ +7°)

Max. peripheral speed of grinding wheel

m/s

38

38

External wheel size

mm

Max:Φ400x50xΦ203
Min:Φ280x50xΦ203

Max.Φ400x50xΦ203
Min.Φ280x50xΦ203

Internal wheel spindle rotating speed

rpm

-

16000

Workhead and tailstock center

-

MT4

MT4

Machine motor power

kw

5.625

5.625

Machine dimensions(LxWxH)

mm

2500/3000x1600x1500

2500/3000x1600x1500

Machine weight

kg

2500/3000

2500/3000

Working Accuracy:

Roundness(O.D/I.D)

um

1.5

1.5/2.5

Surface Roughness(O.D/I.D)

um

Ra0.32

Ra0.32/Ra0.63

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

um

5

5/8


Accessories:


Standard:

  • Coolant tank

  • Wheel flanges

  • Three jaw chuck (UG-200)

  • Driving dog

  • Support iron  

  • Arbor for internal grinding UG-200)

  • Grinding wheel dresser

  • Wheel balancing mandrel

  • Open type steady rest

  • Carbide-tipped center

  • Chuck base (UG-200)

Optional:

  • Wheel balancing stand

  • Radius dresser

  • Center rest close type


Strict Accuracy Test for Cylindrical Grinders



Cylindrical Grinders are Ready for Packaging and Shipping


» Batch production, standardize production process for high quality machine tools.

» Standard color adopt blue-white, customer also can choose other color as your own choice.

» Packaging case adopt fumigated wooden case as international standard.



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