Cover

Welcome to wholesale the high quality custom plastic components for household products covers made in China from our factory. As one of the leading manufacturers and suppliers in China, we are equipped with advanced equipment and technology. Please be free to get the customized products from us. Product Description - Place of Origin: Fujian, China (Mainland) - Brand Name: JULIER® - Application: custom plastic components - Product Material: PA6/PA66 GF30 Technical Information - QL = π / 4 D2 S does not reach theoretical value during working, because density of changes with change of and, custom plastic components therefore, capacity needs to be properly corrected, and modified capacity is Q=αQL=π/4 D2 Sα, α—— coefficient is generally 0.7~0.9. Quality of general and total amount of casting system do not exceed volume of. 25% ~ 70% is good. - Force of screw or plunger end face acting on unit area of melt, size of and structure of, flow resistance, shape, properties, sizing method, sizing, structure, and accuracy requirements of s, etc. In actual, can be adjusted within allowable range of. Should be selected according to actual situation. - Selection range is as follows: - A: Good fluidity, simple shape and large arm thickness. Generally, less than 340~540Kgf/cm2. Suitable for LDPE, PA and or s. - B: Low melt viscosity, and precision is general. 680~980Kgf/cm2. Suitable for PS and HDPE. - C: Melt viscosity is medium or, accuracy is required, shape is complex, 980~1370Kgf/cm2. Suitable for PP, PC and or s. - D: Melt viscosity, thin wall, long, precision and complex shape, 1370~1670Kgf/cm2. Suitable for nylon, polysulfone, polyphenylene ether and or s. - E: For high-quality precision micro-s, can reach 2260~2450Kgf/cm2 or more. - In order to meet requirements of precision s or complex structural shapes and engineering structural parts, has enhanced adaptability, shortened cycle, improved quality, and increased efficiency. - Melt begins to cool after passing through nozzle. In order to inject melt into cavity to obtain a dense and uniform product with precision, melt must be filled in a short time. In addition to having sufficient pressure, cavity must have a certain flow rate to indicate parameters of melt filling speed. - Plasticizing ability: amount of material that can be plasticized in a unit time. Plasticizing capacity of general screw is related to screw speed, driving power, screw structure, performance, etc. Plasticizing device should be able to provide a sufficient amount of plasticized uniform melt within specified time. Plasticizing capacity should be coordinated with entire cycle. Theoretical plasticizing capacity is greater than actual one by about 20% of demand. - Clamping force: maximum clamping force applied by clamping mechanism. Under this force, mold should not be topped. It reflects size of mold that can be used to a certain extent. It is an important parameter. Maximum clamping force is adopted as specification. Before melt is injected into cavity at a certain speed and pressure, it is necessary to overcome resistance flowing through nozzle, runner, gate, etc., and some pressure will be lost, but melt also has a relatively high pressure when filling mold. Certifications Customer Photos Why Choose Julier Technical Specifications / Features - Place of Origin: Fujian, China (Mainland) - Brand Name: JULIER® - Application: Custom plastic components - Product Material: PA6/PA66 GF30