Motor Coil and Insulating Stators Plastic Injection Moulding Manufacturer
It is the perfect mold solution to the accumulated tolerance caused by metal inserts. Meanwhile,it has been applied patented.
Part spec
The 32-mm stator of well-known European automobile company has been designed with metal inserts of ±0.5mm tolerance. No flash is allowed. Damage on metal inserts caused by sliders must be avoided.
Challenge
PA66+15%GF as the material, and part size of φ87*67mm. A metal insert is consisted by several 0.2mm thickness iron pieces, that results in the accumulated tolerance up to ±0.5mm. Undercuts are around the part.
Solution
The solution of springing the iron piece in the mold(this structure has been applied patented) perfectly solves the issues of flash due to the tolerence, and iron piece crushed by sliders of the iron piece.
Results
The mold was moved for mass production after the third-time mold trial. Moreover subsequently all other specifications of the stator series molds for this customer were successively made.
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