Four things you need to know about ultrasonic welding Posted on : Dec 1 , 2022 By GREFEE Metal welding Welding: welding makes the two separated objects produce the binding force between atoms together by heating or compressing or both, rather than filling materials.There are a variety of them, which traditionally means the welding of […]
Four things you need to know about ultrasonic welding Read More »
Punch System for High Vacuum Die Casting Posted on :Dec 7 , 2022 By GREFEE Vacuum die casting is the necessary technology for high quality aluminum die casting pieces, such as cylinder body, automatic transmission housing, valve body, etc, especially for automotive parts that require T6 Heat treatment and welding. The gas content of castings
Designing Elements and Process Flow of Die Casting Die Posted on : : Nov 12 , 2022 By GREFEE Die casting mold is the important process tool in die casting production. The metal fluid is cooled and cursed in the die casting mod and finally comes into the die casting parts. The shapes, sizes, quality and
Designing Elements and Process Flow of Die Casting Die Read More »
How the position of gate affects the quality of injection molding products ? Posted on : Nov 16 , 2022 By GREFEE Gates are essentials to the injection molding system and the types and sizes directly affect the quality of products and the costs. There are a wide variety of gates and the sizes of
How the position of gate affects the quality of injection molding products ? Read More »
Waterproof and dust-proof for sheet metal motor cabinet Posted on :Nov 21 , 2022 By GREFEE When planning these sheet motor cabinet of electronic devices, the planner should fully consider the protection of the cabinet according to its level of protection. Note: air ducts and structural joints are the main ways for water and dust
Waterproof and dust-proof for sheet metal motor cabinet Read More »
10 performance testing methods for plastic materials Posted on :Nov 19 , 2022 By GREFEE 10 performance testing methods for plastic materials 1. Ash test Ash: when the polymer is burnt at high temperature, a series of physical and chemical changes occur till the volatilization of organic components and inorganic components (mainly inorganic salts and
10 performance testing methods for plastic materials Read More »