Corrugated carton production of common problems Raiders - single-sided machine process (2)

Question 7: False Bonding

Cause Analysis:

For details, see “Analysis of (1) to (10)” for causes of false bonding of corrugated paper in “Line Process”.

ways to improve:

See item (1) to (10) of the improved method of false bonding with corrugated paper in the "Line Process".

Question 8: Losses and losses

Cause Analysis:

(1) All kinds of paper are damaged; (2) The paper shrinks or the size is small; (3) The corrugated paper and the paper are not aligned.

ways to improve:

(1) The base paper is prohibited from bumping during handling and paper feeding. The machine operator checks the paper condition at any time during the production process; (2) Controls the moisture content of the paper and strictly follows the specifications of the manufacturing order; (3) Improves the worker's operation skill.

Question 9: High and low

Cause Analysis:

(1) Corrugated roller surface wear; (2) Corrugated roller operation is not normal; (3) corrugated roller surface is dirty; (4) Corrugated paper raw paper is not uniform water, the tension is small; (5) corrugated paper thickness is uneven.

ways to improve:

(1) Grinding or replacing according to specific conditions; (2) Checking the bearing transmission parts at both ends; (3) Cleaning corrugating roller surface at any time; (4) Adjusting machine speed and increasing warm-up time; (5) Rigorously controlling corrugated paper ration .

Question 10: Penetration

Cause Analysis:

(1) The amount of glue applied is too large; (2) The paper is not properly matched with the paper, and the paper is too thin; (3) The pressure of the equipment is excessive.

ways to improve:

(1) Check the glue gap and control the amount of glue applied; (2) Correctly match and use the paper material; (3) Correctly adjust the clearance of each part of the single-sided machine.

Question 1l: Board cuts

Cause Analysis:

(1) uneven pressure at both ends of the felt roll, resulting in non-parallel feeding of corrugated board; (2) inconsistent heights at both ends of the corrugated board, causing the paperboard to feed obliquely.

ways to improve:

(1) Adjust the pressure at both ends of the felt roll according to different corrugations; (2) Adjust the pressure at both ends of the single-faced corrugator to ensure the uniform height of the corrugation at both ends.

Author/Yang Jingkuan Source: China Packaging News