Grinding mill with means for damping roller displacement

Details Grinding mill with means for damping roller displacement Grinding mill with means for damping roller displacement

1987-08-12

1988-11-29

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Plural rotary or oscillatory surfaces cooperate with common...

241DIG30, B02C 1512

Patent

active

047875623

ABSTRACT:
A vertical spindle type grinding mill for example for crushing coal comprises upper and lower rings 1, 2 together defining a track for rolling grinding members 3 and yokes 7, 4 bearing against the upper and lower rings 1, 2 for resisting forces tending to separate them. A drive is provided via main shaft 8, for effecting relative rotation between the rings. At least one yoke, preferably the lower yoke 4, bears against its associated ring 2 via interposed elastomeric material 6. This reduces the risk of brittle fracture when using hard relatively brittle alloys for the manufacture of the upper and lower rings so that they have increased wear resistance.

REFERENCES:
patent: 2115314 (1938-04-01), McErlean

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