In-car maintenance and repair, people often accidentally buy some fake and shoddy parts and some unqualified parts and feel very troubled, so what method can be used to buy suitable car plastic injection mould Woolen cloth? Through the following methods, you can buy regular products of very good quality.
1. Check whether the trademark of this car plastic injection mould is complete. The quality of the regular product packaging is very good, the handwriting on the box is very clear, and the overprint color is also very bright. The product name, specification model, quantity, registered trademark, factory name, factory address, telephone number, etc. These manufacturers will also take out their imprints on the accessories. Some very important car plastic Injection moulds, such as generators, distributors, fuel injection pumps It will also be accompanied by some instruction manuals, certificates of conformity, and original inspections in this way to guide users on how to use and maintain them correctly, so you must look carefully when purchasing to prevent fake and shoddy products.
2. Check whether the size of the nodules is deformed. Some parts are easily deformed due to improper manufacturing, transportation, and storage. Therefore, when checking, you can roll the shaft parts along the glass plate to see if the parts fit the glass plate. If there is any light leakage, in this way, when judging whether the steel plate or friction plate of the clutch driven disc is bent or not, you can put the steel plate friction plate in front of you to observe whether there is a warpage. When buying an oil seal, the end face of the oil seal with the skeleton should be positive, the circle can fit with the flat glass surface without skeleton, and the outer edge of the oil seal should be straight, deform by hand, and return to its original state after letting go.
3. Check whether the end part is flat. During the process of transportation and storage of car plastic injection mould, due to vibration and bumping, burrs, indentations, damages, or cracks are often generated in the joint part, which will affect the use of the parts, so Be careful to check when buying.
4. Check the surface of the car's plastic injection mould for signs of rust. For some qualified spare parts, the surface has both a certain degree of ice and an incremental smoothness. Therefore, the more important the spare parts, the higher the accuracy. The anti-rust and anti-corrosion of the packaging will be stricter, so you must pay attention to inspection when you choose to buy. If you find that the parts have school uniform spots that have not changed, spots or loss of elastic shaft diameter, and obvious turning tool lines on the surface should be replaced in time.