Maintenance instructions for vacuum coating equipment after long-term operation in forming molds and injection molds

If the vacuum coating equipment is used continuously for more than 6 months, the pumping speed of the vacuum coating equipment will be significantly slower. How to maintain it? This article is a concise description of the maintenance points of vacuum coating equipment after long-term operation.

First of all, it is necessary to flush into the atmosphere, remove the connecting water pipe, screw out the first-stage nozzle, clean the pump chamber and the pump with gasoline, and then wash it with washing powder. After the water is evaporated, install it. Pump the bladder, re-add the newly diffused pump oil, and replace it with the body, then you can restart it.

When vacuum plating is restarted, pay special attention to the leakage operation. First observe whether the partial vacuum of the diffusion pump reaches 6*10PA, otherwise we will perform leak detection.

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Check for a seal ring at the joint or crush the seal.

It can be heated after eliminating the hidden danger of gas leakage, otherwise the diffusion pump oil will burn the ring and cannot enter the working state.

When the vacuum coating equipment pump is continuously working for one month, we have to replace the new oil and completely discharge the old oil in the pump oil.

Then add new pump oil to a certain amount. If it is used continuously for more than half a year, the oil cover should be opened when changing the vacuum pump oil, and the dirt inside the box should be cleaned with a cloth.

Application of vacuum coating equipment in forming molds and injection molds

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The application of vacuum coating equipment in forming and injection molding, physical vapor deposition (PVD), ion-enhanced chemical vapor deposition (PACVD), chemical vapor deposition (CVD) and composite processing (nitriding treatment + PVD) have been widely and successfully Used in metal forming and plastic injection molding applications.

Canon PVD and PACVD and CVD coatings enhance the performance and productivity of punches, dies, hobs and other tools used in the forming of metals, plastics and other composites. Canon and the industry work together to provide solutions for every application.

  High hardness

Wear resistance

Resilience

Low coefficient of friction

Anti-scratch

  preservative

With a wide range of coating combinations and extensive application experience, Huicheng can select the right coating for mechanical applications based on the characteristics and functions of the coating to achieve the desired performance of the tool.

Longer tool life

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Improve parts quality

Reduce the use of lubricants

Reduce downtime

Reduce tool maintenance

Eliminate secondary operations

Canon PVD and PACVD and CVD coatings have an excellent track record of improving the performance of different tools. &e658; high-strength material forming & e658; non-ferrous metal forming & e658; cold forging & e658; powder compaction & e658; piercing and trimming die & e658; punching hot punch & e658; die casting, metal injection molding & e658; hot extrusion and forging &e658; plastic injection molding, film extrusion

Canon engineers perform separate evaluations for each of the different situations. Provide a systematic solution to the proposed goals. The choice of coating is based on several key factors and tool performance objectives: &e658; tool function & e658; tool material & e658; tool life expectancy heat treatment & e658; workpiece material or resin & e658; working temperature & e658; tool failure mode