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Faults analysis and disposal of Raymond mill II

Published 2014/10/28 13:04:56

Faults analysis and disposal of Raymond mill II

IV. Noise of host is very large with big vibration.

Cause: Feeding material is less. Shovel nose tool is serious worn, material cannot be shoveled, and ground knot is loose.
(2) Material is hard with big impact, or has no bed of material
(3) Ground roll and grinding ring is out of ground and serious deformed.
Elimination methods: (1) Adjust feed rate and replace new shovel noise tool.
(2) Replace size of input granules
(3) Replace ground roll and grinding roll.
V: Vibration of fan
Cause: (1) There is residual powder in blade or wearing is unbalanced.
(2) Foundation bolt is loose.
Elimination methods: (1) Get rid of residual powder of blade or replace blade.
(2) Screw foundation bolt down.
VI. Actuating device and oil tank of analytic set is heat
Cause: (1) Viscosity of engine oil is large with thick oil, and thread oil pumping cannot be sprayed and results in oil starvation of upper bearing.
Elimination methods: (1) Check if trade mark and viscosity of engine oil meets requirements.
(2) Check running direction.
VII. Powder feeding bearing of ground roll is damaged.
Cause: (1) Oil is cut off or sealing ring is damaged.
(2) Chronic lack of maintenance and cleaning.
Elimination methods: (1) Add oil timely at the right time.
(2) Wash it regularly and change oil seal.


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