Equipment malfunctions and eliminating methods

Malfunction

Reason

Eliminating methods

1

Abnormal vibration

1.1 large output granularity

1.1 check input granularity

1.2 uneven abrasion

1.2 replace hammer head

1.3 unbalance of rotor

1.3 balance check and bob-weight

1.4 improper foundation dispose

1.4 check and fasten anchoring bolts and foundation

2

Overheat of bearing

2.1 lack of oil

2.1 infuse oil

2.2 over infuse of oil

2.2 check oil level

2.3 bearing broken

2.3 change bearing

2.4 over fasten of covering

2.4 adjusting bolts

3

Large output granularity

3.1 hammer head abrasion

3.1 change head or replace

3.2 over clearance between hammer head and impact plate

3.2 adjusting clearance to 15-20mm

3.3 large input granularity

3.3 control input granularity

4

Turn over of belts

4.1 belts abrasion

4.1 change V-belts

4.2 installation problem of pulleys

4.2 adjusting pulleys on the same level

4.3 quality problem of V-belts

4.3 change V-belts