Pearl cotton machine common failure phenomenon summary
Pearl cotton machine common failure phenomenon summarya
Cause Analysis
Solution
1
Sheet cracking
2. If the flakes are produced, the die may be too tight
2. Easy die
3. There are impurities at the die lip
3. Loosen the die to release impurities and close immediately
4 The filter is shifted or broken
4. Change screen
The surface of the sheet is blistered and has holes
Until many cracks
Low temperature in the water cooling zone
Reduce water flow when bubbling or breaking holes;
Multiple cracks, restart
2
Uneven thickness of sheet
1. The inner and outer die are not aligned
1. Adjust the top wire so that it is aligned
2. Die deformation
2. Trimming die
3. Too much monoglyceride
3. Reduce monoglyceride
3
Cells are too large
1. Less talcum powder
2. Too little butane
1. Increase talcum powder
2. Increase Butane
4
Sheets are speckled
2. Too much monoglyceride
3. The temperature in the seventh and eighth areas is low
2. Reduce monoglyceride
3. Increase the set temperature or turn off the water flow
5
Long vertical stripes
Too much butane
Too much talc
Reduce butane
Reduce talcum powder
6
Rough surface with white horizontal threads
1. The die gap is too large
1. Tighten the die
2. Insufficient extrusion capacity
2. Increase the speed of the host and increase accordingly
Butane and monoglyceride
7
The sheet is brittle and breaks easily
1. Too much monoglyceride
2. The head temperature is too low
1. Reduce monoglyceride
2. Increase the head temperature
8
Sheet shrinkage
1. Too little monoglyceride
1. Increase monoglyceride
2. The head temperature is too high
2. Reduce the temperature of the machine head
3. The ambient temperature of the workshop is lower than 5 ℃
3. Raise the ambient temperature of the workshop
9
Sheet stripes are too light
1. The head temperature is too high
1. Lower the temperature of the machine head
2. Too little butane
2. Increase Butane
10
Sheet deviation
1. Uneven head gap
1. Adjust the die gap
2. The position of the auxiliary machine is incorrect
2. Adjust the position of auxiliary machine
11
Sheets are often disconnected
Towing speed is too fast
Slow down traction speed
12
The sheet cracked in a fixed place
Die bruise
Mouth mould
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