Table 2 Common defects and improvement methods of paperless stitching machine operation
Defect name generation cause improvement method
Jigsaw ends
1 The glue time is not enough or the aging time is not enough after the glue is applied.
2 The end compound is not coated enough or has been dried.
3 The veneer itself is warped, the joint has a "crescent" shape or the veneer is not straight.
4 The heating roller temperature is insufficient.
1 Slow down the speed or extend the time of the rubberized board.
2 Pay attention to check the amount of glue at the end.
3 Improve the quality of the veneer and the quality of the drying, eliminate the “leaf edgeâ€, “tight edge and bubble veneerâ€, and improve the quality of the whole side.
4 Increase the electric heating temperature.
The seam is not strong or too brittle
1 The compound is insufficiently cured or the room temperature is low, and the amount of the hardener is insufficient.
2 The quality of the rubber is not good, the adhesive layer is too brittle or the amount of glue is insufficient.
3 The electric heating temperature is insufficient or the vehicle speed is too fast.
4 The moisture content of the veneer is high.
1 Extend the glue time, increase the electric heating temperature or slightly increase the hardening dose.
2 Check the quality of the rubber compound and the amount of hardener is appropriate, increase the polyurethane emulsion of 1 5% to 20%, reduce the brittleness of the rubber, and check the amount of glue.
3 Increase the electric heating temperature.
4 Check the moisture content of the veneer.
Patchwork veneer coke paste 1 electric heating temperature is too high
2 The speed is too slow
1 Adjust the electric heating temperature.
2 Speed ​​up the car slightly.
Patchwork is not dense
1 Qi Qiqi
2 squeezed on the roller is not good
1 Check the edge tool for wear.
2 Check for wear and tear
Defect name generation cause improvement method
Jigsaw ends
1 The glue time is not enough or the aging time is not enough after the glue is applied.
2 The end compound is not coated enough or has been dried.
3 The veneer itself is warped, the joint has a "crescent" shape or the veneer is not straight.
4 The heating roller temperature is insufficient.
1 Slow down the speed or extend the time of the rubberized board.
2 Pay attention to check the amount of glue at the end.
3 Improve the quality of the veneer and the quality of the drying, eliminate the “leaf edgeâ€, “tight edge and bubble veneerâ€, and improve the quality of the whole side.
4 Increase the electric heating temperature.
The seam is not strong or too brittle
1 The compound is insufficiently cured or the room temperature is low, and the amount of the hardener is insufficient.
2 The quality of the rubber is not good, the adhesive layer is too brittle or the amount of glue is insufficient.
3 The electric heating temperature is insufficient or the vehicle speed is too fast.
4 The moisture content of the veneer is high.
1 Extend the glue time, increase the electric heating temperature or slightly increase the hardening dose.
2 Check the quality of the rubber compound and the amount of hardener is appropriate, increase the polyurethane emulsion of 1 5% to 20%, reduce the brittleness of the rubber, and check the amount of glue.
3 Increase the electric heating temperature.
4 Check the moisture content of the veneer.
Patchwork veneer coke paste 1 electric heating temperature is too high
2 The speed is too slow
1 Adjust the electric heating temperature.
2 Speed ​​up the car slightly.
Patchwork is not dense
1 Qi Qiqi
2 squeezed on the roller is not good
1 Check the edge tool for wear.
2 Check for wear and tear
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