13 quality problem counts common in soft pack factories

This article has compiled the causes and treatment methods of common quality problems for your reference.

First, the concave surface

the reason:

1. Excessive repair after repair of the plate cylinder;

2. Bruises during use.

Approach:

Small area can be manually copper-filled, polished, large area must be ground)

Second, sand holes, cracks

the reason:

1. Defects in the steel plate itself:

2, the face of the joint welding, plug weld

Approach:

Rework

Third, the layout

phenomenon:

The horizontal, vertical, twill, wood grain, and wave pattern carved by electric carving are 8100, 3200, and 1700. The position of the reinforcing ring is easy to appear.

Approach:

Grinding vibration

Fourth, overprinting is not allowed

the reason:

1. The mechanical accuracy of the plate cylinder is not enough. The ellipse, slightness, dynamic and static balance do not meet the standard and deformation;

2. The plate cylinder increment does not meet the requirements.