What are the purposes of the trial run of the high-speed extrusion die?

What are the purposes of the trial run of the high-speed extrusion die?

The main purposes of the trial molding of high-speed extrusion dies are: 
① The inadaptability of extrusion molding dies caused by material properties; 
② Incompatibility between extrusion equipment and extrusion dies; 
③ The incompatibility between the molding process conditions and the extrusion die; 
Problems in the design or manufacture of the mold itself; 
⑤ Adapt to the performance of the extrusion production line; 
⑥ Adapt to the production formula and the characteristics of the molding compound; 
Meet the requirements for extrusion molding efficiency; 
⑧ Repeatability accuracy and working stability; 
⑨ The produced profiles meet the requirements of the drawings, fit and relevant standards. The main inspection items include dimensional accuracy of profiles, wall thickness, positional tolerance requirements, surface quality, as well as physical and chemical properties such as low-temperature cold drawing and weld corner strength.
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