Q&A

1.
Q：What the range of the surface hardness?

A：The hardness of the mold ranges from HRC48 to HRC52.

2.
Q：What is the material used for molds?

A：The basic material is high carbon steel. Customized material is negotiable.

3.
Q：What the basic mold manufacturing process?

A：After the specifications are confirmed, we will begin the manufacturing process. The mold will go through rough turning, after which it will be processed with heat treatment, and then finish turning. After the specifications are rechecked for tolerance, the mold is ready for delivery.

4.
Q：Is there any measure taken to protect the mold when the rubber material used is corrosive?

A：When the rubber material used is corrosive, we suggest using electroplated layer to improve the durability.

5.
Q：How big the size of molds which can be developed?

A：If the mold is in round shape, the range of the outer diameter can be from 70mm to 600mm, which means the outer diameter of the end product is achievable within the range from 0 mm~522 mm. Besides, we offer mold plates as an alternative. Molds of size other than what is mentioned above are negotiable.

6.
Q：What needs to be aware of before mold manufacturing?

A：Please make sure that the measurements of the end product are correct, and provide the shrinkage rate and information of the machined used.

7.
Q：If mold is damaged when used for production, can it be repaired by sending it back to you?

A：Yes, we offer repair service subject to the extent of the damage. (E.g. the mold is damaged in vulcanization.)

About Us

Senior Precision Machinery was founded by Mr. Su, Wen Tsai in 1980. At the very beginning, the core technique of the company was to produce oil-sealed molds with traditional lathes. However, as the operation expended, all the processing facilities were gradually replaced by CNC machines to improve the stability and precision of production.

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