The Maintenance Of Automobile Molds

Publish Time: 03/04 2021 Author: Site Editor Visit: 17228

The first-level maintenance of the mold refers to the operation and daily maintenance of the mold during the production, and the main content is cleaning, lubrication and inspection.

1. Maintenance During Mold Loading

The upper and lower surfaces of the mold should be cleaned before the mold is installed to ensure that the mold mounting surface and the press working table are not crushed and the parallelism of the upper and lower mounting surfaces of the mold manufacturing during production.

After the mold is installed, the mold is opened, and all parts of the mold are cleaned, especially the guide mechanism. For the surface mold, the surface of the mold is cleaned to ensure the quality of the part. Lubricate the sliding parts of the mold and apply grease. Inspection of all parts of the mold, especially safety parts. Such as: safety side pins, safety screws, side guards, punching waste passages, etc.

2. Maintenance In Production

During production, oil the corresponding parts of the mold regularly. Such as: the pressing ring and fillet of the drawing die; the knife edge of the trimming die; the flanging knife block part, etc.

The small hole waste channel of the trimming punching die is cleaned up regularly.

3.Maintenance After Production

After the production is over, a comprehensive inspection of the mold is required.
The mold is thoroughly cleaned to ensure the cleanliness of the mold.
Clean up the waste in the mold to ensure that there is no waste in the waste box.
The use status of the mold and the situation after use are truthfully reported to the mold voucher.

Secondary Maintenance Of Mold

The secondary maintenance of the mold refers to the regular systematic maintenance of the mold based on the technical status and complexity of the mold. This maintenance work is completed by mold repair personnel, and records are made according to the maintenance situation. The following describes the requirements and methods of the second warranty for different parts.

Convex and concave molds of drawing die: The main problem of the convex and concave dies of the drawing die is the roughening and the pressing pits of the molding surface. During maintenance, the rounded corners of the mold are mainly polished. If there is a crater, repair the mold and then repair it.
Guide parts (guide posts, guide sleeves and guide plates, etc.): the mold will have pull marks during work. The main causes are dirty lubricating oil and guide gap deviation. The pulling marks of the guide parts are eliminated by polishing after smoothing with oilstone.
Trimming edge: The edge part of the mold is prone to chipping and edge collapse during the use of the mold. At this time, the damaged knife edge of the mold should be repaired and repaired.
Springs and other elastic parts: During use, the spring is one of the most vulnerable parts of the mold, and it usually breaks and deforms. The method adopted is to replace, but during the replacement process, you must pay attention to the specifications and models of the springs. The specifications and models of the springs are determined by the three items of color, outer diameter and length. Only when these three items are the same can they be replaced.
Punches and sleeves: most of the punches and sleeves used on the mold are made of standard parts, and the punches are prone to breakage, bend and gnaw during the use of the mold. Cushioning is generally broken. The damage of the punch and sleeve is generally replaced with parts of the same specification. The parameters of the punch mainly include the size of the working part, the size of the installation part, and the length dimension.
Fastening parts: Check whether the fastening parts are loose or damaged. The method adopted is to find parts of the same specification for replacement.
Pressing and unloading parts: pressing parts such as pressing plates, uniglue, etc., unloading parts such as unloading plates, pneumatic ejector devices, etc. During maintenance, check the assembly relationship of each part and whether there is damage, and repair the damaged part.

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