The sleeve shrink film is easy to cause in the center column or the card:
1. The control of the folding diameter of the film material is too large or small during the manufacture, especially in the downline of the standard size (small), which is more likely to cause the center column to accumulate.
2. The clamping point of the center column is also easy to cause the clamping instability due to the single point clamping, so that the center column can not become a line and cause the accumulation.
3. The strength of the upper and lower drive rubber wheels is inconsistent.
4. When the knife edge of the cutter returns to the origin once every turn, it may stop in the groove of the center column, causing the film label to touch the blade to form a stock.
5, the center column groove may be "cut" by the cutter, which will lead to the subscript is not smooth, resulting in the situation of the jam.
6. After the cut label is waiting to be brushed, the brushing wheel does not smoothly insert the cut label into the bottle body to generate the domino effect, and the reaction returns to cause the center column to accumulate.
solution:
1. The label supplier is required to control the value of the diameter within ±0.5%. 0
2, multi-point clamping machine equipment is better than single-point clamping, but each brand of labeling machine has a different design, so users should choose carefully when purchasing.
3. Correctly adjust the strength of the upper and lower drive rubber wheels
4. Check if the origin of the cutter is correct, and check the matching of the whole process control. Be sure to drive the next material within the effective time after the cutter leaves the center column. In addition, the cutter should stay inside the cutter head when it stops once, and it should not be too close to the center column groove, so as to ensure no material accumulation.
5. If there is a cut in the groove of the center column, the surface treatment can be smoothed.
6. Make sure that the clamping contact between the brushed wheel set and the center post is not offset, and that the brushing wheel is worn out, so that the brushing force cannot evenly brush the label and fall into the bottle body, otherwise the label will Will cause a chain reaction to accumulate the central column.
Shrink film cut position is uneven, with burrs
Cause of:
Because the current labeling machines in the market mostly belong to the cutting point overlap design of multiple knives, the burrs are difficult to control.
1. The label is too large, and the diameter of the center column is too different from the diameter of the film.
2. The correction point of the cutter head is not on a line.
3. Inside the cutter head group, the gap between the eccentric shaft groove and the bottom of the holder is too large, resulting in unevenness of the blade.
4. The strength of the blade is not enough.
Solution:
1. Do a good job of controlling the size of the label, especially confirming the diameter of the label and the diameter of the center column.
2. After the blade is replaced, the level should be confirmed. In addition, the locking control of the locking blade is also appropriate.
3. Replace the relevant parts inside the cutter head group.
4. Replace the new blade.
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