Centerless grinding machine

FX-12CNC High Precision Centerless Grinder

Warranty : 1 Year for machinery warranty

Availability : On Stock

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Standard machine processing range (diameter) mm  0.5-40
Grinding wheel size (OD* width *ID) mm Φ305*150*Φ120
Adjusting wheel size (OD* width * ID) mm Φ205*150*Φ90
Grinding wheel speed rpm 1950
Maximum linear speed of grinding wheel m/s 35
Feed rate mm/min 8000
Adjust wheel speed rpm 0-350 Electrodeless
Grinding wheel drive motor kw 5.5
Adjustment wheel servo motor kw 2.0
Automatic sand repairing servo motorkw kw 1.5
Hydraulic pump drive motor kw 0.75
Cooling pump drive motor kw 0.125
Adjusting wheel feed accuracy mm 0.001
Adjustment wheel fine adjustment handwheel mm 0.1/RPM  0.001/Scale
Minimum feed accuracy mm 0.001
positioning accuracy mm ≤0.003
Repeatability mm ≤0.002
Spindle runout accuracy mm ≤0.002
Roughness um Ra0.2
Precision mm 0.002
Adjust wheel tilt angle ° +6~-5
Adjust wheel rotation angle ° ±5
Mechanical Dimensions mm 1800×1400×1450
Packing size mm 2350×1650×1770
Machine weight kg 2000
Packing weight kg 2300

Product introduction

Centerless grinding machine is a type of grinding machine that does not need to use the axis of the workpiece for grinding. It is mainly composed of three mechanisms: grinding wheel, adjustment wheel and workpiece support. The grinding wheel actually performs the grinding work, and the adjustment wheel Control the rotation of the workpiece and control the feed speed of the workpiece. As for the workpiece holder, which supports the workpiece during grinding, there are several ways to cooperate with these three parts, except for stopping grinding, the principle is the same.

There are two main grinding methods for centerless cylindrical grinders: through type and plunge type; through type centerless grinder, the workpiece is fed along the axis of the grinding wheel for grinding, and the small inclination angle of the guide wheel axis is adjusted to realize the axial feed of the workpiece. It is suitable for grinding slender cylindrical workpieces, short shafts without central holes and sleeve workpieces. The plunge-type centerless grinding method is that there is an axial positioning fulcrum on the pallet, the workpiece is supported at a certain position on the pallet, and the grinding wheel or guide wheel is used for grinding. For grinding workpieces with shoulders or bosses as well as cones, spheres or other workpieces of revolution. “Plung-in” to “Through-through” centerless grinding is a composite grinding method of the two centerless grinding machines.

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