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Actual requirements for mold PVD coating equipment
Release time:
2022-02-11
In variable blank plastic mold cavities, the flow along the two cavity surfaces slides again, resulting in gaps and strong friction between the mold PVD coating equipment cavity surfaces, which leads to mold failure due to wear. Therefore, wear resistance is one of the basic and important properties of the mold. The main factors affecting wear resistance hardness. Generally speaking, the higher the hardness of the mold parts, the less wear, and the better the wear resistance. In addition, wear resistance is also related to the type, quantity, shape, Size and distribution of materials.
1. Wear Resistance
In a blank plastic mold cavity with variability, the flow along the two cavity surfaces slides again, resulting in the mold PVD coating equipment There are gaps and strong friction between the cavity surfaces, which causes the mold to fail due to wear. Therefore, wear resistance is one of the basic and important properties of the mold. The main factors affecting the hardness of wear resistance. In general, the higher the hardness of the mold parts, the less wear, and the better the wear resistance. In addition, wear resistance is also related to the type, quantity, shape, size, and distribution of the material.
2. Strength and Toughness
Most mold PVD coating equipment is under very harsh working conditions, and some often withstand large impact loads, leading to brittle fracture. In order to prevent the mold parts from suddenly becoming brittle during operation, the mold should have high strength and toughness. The toughness of the mold depends on the material, the state of the grain size, and the carbon content in the structure.
3. Fatigue Fracture Performance
The long-term action of cyclic stress often leads to fatigue fracture. Very little energy exists in the form of repeated impact fatigue fracture, tensile fatigue fracture, contact fatigue fracture, and bending fatigue fracture. The fatigue fracture performance of mold PVD coating equipment mainly depends on its strength, toughness, hardness, and the content of material inclusions.
PVD coating equipment In various aspects: excellent surface coating performance. Aluminum buckle plates generally use imported fully automatic high-speed coating lines for coating, with a flat surface, no color difference, strong coating adhesion, resistance to acid, alkali, and salt spray, no discoloration for a long time, no coating peeling, convenient maintenance, and clean as new after washing. Strong composite strength. The plates are hot-pressed from high-molecular plastics and high-polymer materials. Generally, after a 2-hour boiling water test, there is no damage to the adhesive layer, and the temperature adaptability is strong. It can generally be used under very large temperature changes, and the excellent performance of the PVD coating equipment is not affected.
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