Cylindrical Grinding Machine
SJR Machinery Co., Ltd. is one of the toppest Cylindrical Grinding Machine in China.During these years of exporting , SJR Machinery Co., Ltd. now has rich experience in the worldwide markets
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CG series cylindrical surface grinder is suitable for grinding outer surface of cylinder and taper.

UCG series cylindrical surface grinder is suitable for grinding outer/inner surface of cylinder and taper.

The longitudinal movement of the worktable is driven by hydraulic or by handwheel. The worktable can to a certain degree so as to be suitable forgrinding taper.

The wheelhead cross feed is driven by hydraulic, which realizes automatic periodical feed and rapid feed and ropid feed. It can also do rough and fine feed through handwheel.

The worktable and wheelhead guide way of the CG50, UCG50 series adopt hydrostatic lubrication, its movement onlow speed is smooth.

The spindle of CG50 and UCG50 series is supported by hydrostatic and hydrodynamic bearings of high rigidity, it makes the spindle have high rotary accuracy and perfect rigidity.

The wheelhead of CG50 adopts double-speed motor and its speed can be changed by changing the position of belt. The wheelhead of the universal type (UCG50) adopts inverter motor to realize stepless speed changing. The wheelhead spindle of the universal type (UCG50) adopts sliding bearing structure.

The clearance of the realize stepless speed changing. The wheelhead spindle of the universal for the grinding Use center of chuck The workhead of the universal type can be rotate to any position within its conterclock direction 90° so it can be suitable for grinding inner or Outer surface of taper.
The UCG series universal cylindrical grinder has internal grinding apparatus, internal grinding spindle is supported by precise rollbearing.


The worhead spindle, wheelhead spindle, internal grinding spindle, coolent pump, hydrodynamic and hydrostatic oilpump are driven by separatemotors.

Each moving parts of the machine has elctric, hydraulic and mechanic interlock structurethe machine is well designed with pleasing appearance, all control lever are centralized in panel make operating easy.

The wheel dresser can be assembled on the worktable surface or on the tailstock.

Configuration is as follows: the bed, the upper and lower work surface, continuously variable headstock, continuously variable switch,tailstock,wheelhead, hydraulic lubrication and hydraulic control system,DELIXI electric, JUCHE transformer ,DELTA converter

Main specifications

Unit

UCG20X800

Grinding length (O.D/I.D)

Mm

800/125

Grinding diameter (O.D/I.D)

Mm

φ8~φ200/φ13~φ100

Center height

Mm

135

Max. workpiece weight

Kg

50

Work table speed

m/min

0.1~4

Grinding wheel line speed

m/sec

38

Max. amount of movement of worktable

Mm

950

Work table rotating range

°

-3~+7°

Cylindrical grinding wheel dimension

Mm


Maxφ400x50xφ203
Minφ280x50xφ203

Headstock spindle speed

r/min

25~380 stepless

Headstock and tailstock centre tip

Morse

NO.4

Total power

Kw

5.625

Overall dimension

Mm

3000X1600X1500

Machine weight

Kg

3000

Machining accuracy

roundness(O.D/I.D)

μm

1.5/2.5

Diameter consistency inside longitudinal section(O.D/I.D)

Μm

5/8

Surface roughness(O.D/I.D)

Μm

Ra0.32/0.63

Standard Accessories


Main Accessories

coolant tank  1SET

center point   2pcs

wheel periphery dresser 1 set

leveling wedge  1set

balancing arbor  1 set

internal grinding rod  1set

dog plate     1 set

internal grinding attachment 1set

3-jaw chuck   1set

wheel flange  2sets

open steady rest   1set


Optional Accessories

Wheel balancing stand

Magnetic separator apparatus

Paper filter apparatus

Magnetic separator and paper filter apparatus

Closed centre rest

Arc dresser

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