Granite Coarse Grinding Machine

Coarse Grinding Machinery Brief Introduction
Coarse Grinding (Coarse Powder Mill) is a kind of new high-tech milling machine to meet the requirements of coarse powder processing customers. Based on our experts years research experience in the milling industry and considering recommendations and requirements of domestic and foreign clients. It is the ideal equipment to replace Raymond Mill, ball mill, and other traditional mill which only process fine powder materials. It is high-efficiency equipment and widely applied in quartz sand, silica sand, foundry sand, fine sand and other sand abrasive industry. By being a component of closed production lines, it can produce various size products of better effect.
Coarse Grinding Machinery Specifications
Coarse Grinder, grinder mill, mills:
Long life components.
Ideal pre-grinding equipment.
Easy inspection.
Coarse Grinder Mills,grinder mill,mills
Coarse Grinding Machinery Working Principle
Step with main shaft, bulk disk and roller bracket is driven by motor through reducer. Installed above bracket, roller assembly rotates with main shaft and swings freely meantime, this bring a large centrifugal force, which scatters bulk materials evenly in grinding intermediate layer between central roller and ring. The bulk materials are grinded into powder and fall on the bottom, and then discharged from discharging opening under the effect of synchronously-rotating scraper.
Coarse Grinding Specification:
| Model | PC4008-75 | PC4012-90 | PC4015-132 |
| Rotor diameter /mm | 750 | 900 | 1150 |
| Rotor length/ mm | 800 | 1200 | 1500 |
| Rotor speed? r/min | 800-1000 | 800-1000 | 550-800 |
| Feed head size/mm | 320×930 | 400×1200 | 500×1500 |
| Max feed size/mm | <50 | <50 | <100 |
| Fineness/mm | 0-3 | 0-3 | 0-8 |
| Processing? t/h | 10-30 | 30-60 | 60-100 |
| Motor Power/Kw | 55-75 | 75-90 | 110-132 |
| The number of hammer | 18 | 32 | 32 |
| Dimensions L*W*H/mm | 2310*1665*1610 | 2840*2100*2020 | 3720*2650*2540 |
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Shanghai Dingbo Heavy Industry Machinery Co., Ltd.
Mill department: + 0086-21-68098668
Stone department: + 0086-21 68098369
International trade: + 0086-21-68098370
Fax: 0086-21-68098368
E-mail: dingbo@chinastonecrushers.com














