Plastic injection molding tolerance standards Establishing tolerance with respect to product has significance importance on moldability and cost. It is recommended to indicate only critical dimensions with tolerances on a drawing. Depending on application, a division into three tolerance class can be made: Normal, Medium & Fine Cost of manufacture for Medium [...]
Haitian Injection Molding Machine Specifications List What injection machine was chosen for injection molding manufacturing? Plastic injection moulding machine specifications Injection moulding machine specifications Machine Size 机台大小 INJECTION UNIT 注射装置 CLAMPING UNIT 合模装置 Screw Type Screw Diameter Screw L/D Ratio Shot Size (Theoretical) Injection Weight (PS/g) Injection Speed Plasticizing [...]
Plastic Injection Molding Defects And Solutions Molding Flash of Injection Molding defect Solving molding flash problems Definition molding flash occurs when a thin layer of material is forced out of the mold cavity at the parting line or ejector pins location. This excess material remains attached to the [...]
Plastic Material Short Name List XPS Polystyrene Crystal HIPS High Impact Polystyrene SAN Styrene Acrylonitrile Copolymer ABS Acrylonitrile Butadiene Styrene PMMA Polymethylmethacrylate (Acrylic) MBS Polymethacrylate Butadiene Styrene RPVC Rigid Polyvinyl Chloride CPVC Chlorinated Polyvinyl Chloride PVDC Polyvinylidene Chloride PB Polybutylene LDPE Low Density Polyethylene LLDPE Low Linear Density Polyethylene HDPE High [...]
Plastic Shrinkage Rate Chart Plastic Shrinkage rate is a volume contraction rate of polymers from the melt state and the cooled condition that will determine the molding parts dimension and accuracy, it is expressed in percent. Semi-crystalline polymers (e.g: PBT or PP) always show a higher shrinkage than amorphous [...]
Surface finish sandpaper grit chart Upmold collected these data for your reference for plastic injection mold quality of surface polishing, how to control or inspect the polishing quality of molds, also you can download it. Standard Sandpaper & Whetstone Grit Sizes Range of Belts Correspond Chart Standard Whetstone Standard Sandpaper Grit Size [...]
Thermoplastic Resin Material Property Data-Sheet Download Material Features Tensile Strength (psi) Flexural Modulas (psi) Impact Strength (notched izod ft-lb/in) Max Temperature (deflection or softening) ABS (Acrylonitrile Butadiene Styrene) Good impact resistance Good processability and appearance Dimensional stability 5,000-12,000 70,000-380,000 3.0-7.5 140°-200° F Material Brand Data Sheet Polylac PA-746 Chimei [...]
Plastic material shrinkage and density | Plastic Chinese-English Plastic material shrinkage and density; Common Plastic material Resin Name Chinese-English Bilingual List including plastic Chinese name, English short name, plastic density and shrinkage rates. 常用塑料中英文名对照表 Common Plastic Resin Name Chinese-English Bilingual List 朔胶类别 categories 简称 Short Name 中文学名 Chinese Name [...]
