Centerless grinding is a grinding method used for cylindrical parts processing, mainly composed of grinding wheel, adjusting wheel and workpiece support. During operation, the workpiece is in a floating state under the action of grinding wheel and adjusting wheel, so as to achieve high-precision processing effect. It has many advantages, high processing accuracy, not affected by the positioning accuracy of center hole; high production efficiency, continuous grinding method, no need for frequent clamping and alignment of workpiece; good surface quality, uniform contact between grinding wheel and workpiece, good surface roughness can be obtained; wide applicability, can process cylindrical parts of various shapes, such as various shaft and ring parts in manufacturing fields such as automobile, machinery, bearing, aerospace, etc.
Recently, ANTISHICNC received a customer consultation. The product length needs to be between 30 – 50 mm, the diameter range is 0.5 – 10 mm, the roundness must reach 0.002 mm, the cylindricity is 0.003 mm, the surface roughness Ra is less than 0.32 microns, the minimum diameter feed is 0.001 mm, the minimum dresser feed is 0.01 mm, the product material is glass (such as N-SF11, Corning 7890-0F, etc.), and the output is 25 – 30 pieces/minute.
After in-depth communication and confirmation, we recommended our high-precision CNC centerless grinder ANT-350 to the customer.
Item | Unit | ANT-350 |
Processing range of standard machine (diameter) | mm | Φ 0.5-40 |
Grinding wheel size (outer diameter * width * inner diameter) | mm | Φ355x150xΦ120 |
Adjusting wheel size (outer diameter * width * inner diameter) | mm | Φ205x150xΦ90 |
Grinding wheel speed | RPM | 1950 |
Adjusting wheel speed | RPM | 0-350 |
Grinding wheel drive motor | KW | 7.5 |
Adjusting wheel servo motor | KW | 2 |
Feed servo motor | KW | 1.75 |
Grinding wheel feed servo motor | KW | 0.75 |
Grinding wheel servo motor | KW | 0.75 |
Hydraulic pump drive motor | KW | 0.75 |
Cooling pump drive motor | KW | 0.125 |
Adjusting wheel fine-tuning handwheel | mm | 0.1/turn 0.001/scale |
Workbench feed handwheel | mm | The minimum setting of servo feed is 0.001mm |
Adjusting wheel tilt angle | Deg | +5°~-3° |
Adjusting wheel rotation angle | Deg | ±5° |
Machine footprint (length * width * height) | mm | 2470×1500×1570 |
Machine weight | KG | About 2200 |
If you have similar needs or need a centerless grinder, please consult ANTISHICNC, we will provide you with professional advice. Please contact contact@antsmachine.com
Keywords: High-precision centerless grinding, CNC centerless grinding, C-type lens grinding, Glass grinding
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