Centerless Grinder

This machine is mainly used for grinding 5-80mm diameter cylindrical parts, suitable for locomotives, automobiles, tractors aviation, aerospace, electronics, instrumentation, bearings, tools, textile machinery and other industries of mass production enterprises….

Machine Feature

1.The spindle bearing of the grinding wheel adopts five-piece dynamic pressure bearing, which has large bearing capacity, good rigidity and smooth rotation.

2.The working speed of the regulating wheel adopts a stepless speed change, which is convenient to choose the appropriate speed for parts with different diameters.

3.The regulating wheel can be rotated at a small Angle in the horizontal plane. When grinding conical parts, the grinding wheel does not need to be modified into a cone.

4.The longitudinal movement of the grinding wheel dresser and the regulating wheel dresser is driven by hydraulic pressure, with uniform speed and high precision, and can reduce the labor intensity of the operator.

5.The copying guide rail of the two trimmers adopts double dovetail shaped steel ball structure, which has the characteristics of sensitive copying, high precision and long service life.

6.Needle rolling guide rail is adopted for feed movement, which has the advantages of sensitive movement, high motion precision and long service life. Differential screw rod is adopted for feed mechanism, which is simple in structure and convenient in operation. According to user requirements, double V-shaped dense needle rolling steel guide rail with preloading can also be used for feed movement, which also has the above advantages.

Machine Specification

ItemMT1050MW1080B
Through-feed dia2~50mm¢5-80mm
Maximum grinding length120mm180mm
Plunge-feed dia5-505~80mm
Grinding wheel specificationPSA300*150*127mmP500*150*305mm
Regulating wheel specificationPSA300*150*127mmPSA300*150*127mm
Grinding wheel speed1668r/min1300r/min
Regulating wheel speed20~200 r/min10-180r/min
Regulating wheel rotation angle on Vertical plane-2°~+5°-2°~+4°
Regulating wheel rotation angle on horizontal plane-1°~3°-1°~+3°
Feeding rate per grid for scale0.002mm0.005mm
Feeding rate per rotation for scale0.4mm0.5mm
Feeding rate per grid for corrector dial0.01mm0.01mm
Corrector speed0.01~4m/min0.01~4m/min
Center height220mm210mm
Grinding wheel motor power11kw15kw
Regulating wheel motor power1.5kw2.2kw
Lubrication motor power0.09kw0.09kw
Hydraulic motor power1.1kw0.37kw
Cooling motor power0.09kw0.12kw
Machine weight3300kg3700kg
Machine size1950*1750*16501940*1670*1500mm
Roundness≤2μm≤2μm
Cylindricity≤3μm≤3μm
RoughnessRa 0.32 μm0.32Ra

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