1. Before operation, inspect whether the observation door of vortex chamber is shut tight to avoid danger.
2. Examine the rotation direction of impeller; impeller should performance anticlockwise rotation.
3. The starting sequence of sand making machine and transportation equipment: discharge→ sand making machine→ feeding; crushers must be started without load, and feeding can be carried out when crushers run normally. Shutdown sequence and start-up sequence is opposite.
4. Materials whose size exceeds the limit shouldn’t be fed into crushers, otherwise, it may cause the unbalance of impeller or excessive abrasion of impeller, even leading the block of impeller passage.
5. When the discharge equipment stops, feeding should be timely ceased.
6. Materials should be fed evenly and continuously.
7. Fierce vibration and abnormal noise are not allowed during operation.
8. The addition of grease lubrication should make up 1/2-2/3 of bearing chamber; Add proper lubrication grease each time crushers work an hour.
The construction and mining machinery/equipment market is in the midst of a consolidation phase, as acquisitions and strategic partnerships are still continuing after a spurt in the consolidation wave of the nineties. The highly competitive industry has maintained price levels in the moderate range with slight fluctuations, over the last few years.
Key competitive factors that affect construction & mining equipment manufacturers include service, distribution... [continues]
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