Preventive measures for the defect of weathering plate pit bag

The key to the production and processing of the pit bag is to identify the pit bag according to the form of seeing, sun exposure oiling inspection, feel touch, flexible sand net polishing treatment, whetstone polishing treatment, etc., and there should be a sudden change in the vertical direction, a smooth feel, a broken polishing line and a black spot in the original state. The preventive measures for pitting defects on the surface of weathering plate production and processing are:

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1. Completion acceptance of the feeding project

The first priority is to check the clean room grade and technical parameters to ensure that unqualified weathering board production and processing are not accepted.

2. Production process control

Strictly abide by the technical standard operating process in the work, and set up monitoring points in accordance with the production process, and the products of the automatic production line are inspected by the inspector one by one as far as possible to verify whether the requirements of consumers are taken into account, to ensure that the product requirements are taken into account under the specification of production and manufacturing, to avoid a large number of pit bags.

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3, mold maintenance

The mold is the "plasmid" that causes the defect of the pit bag. The maintenance of the mold itself plays an important role in avoiding the pit bag. Mold defensive maintenance should be based on the mold status and quality requirements of each part to develop maintenance frequency, and data analysis of the specific performance of the quality of parts to analyze the key difficulties. Make mold maintenance plan from three angles of time, type and characteristics.

4. Work

The important failure cause of the production and processing of the weathering board is the random error of human factors, so promoting the standardization of production, loading, maintenance, logistics and freight links is an effective way to avoid the pit. To control the error of the operation process of human elements, technical professional management plans should be made for the production process text documents as far as possible, and the production workshop management system personnel should be responsible for uploading, controlling and archiving the production process documents to ensure their consistency and ensure that the operation process has rules to follow; And on time to a variety of basic parameters and the applicability of the operating process test methods to clarify and review, and gradually promote the in-depth promotion and improvement of the production process text documents.

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