chopper blade

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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-27 20:43
Browse the number: 126
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1. The weight tolerance between different choppers must be ± 6g, to keep the Stable Ratation.
2. How to keep good quality:
1) cut the raw material according to the pattern of steel, and the chopper length direction must be along the pattern such as below, or it will be easily brocken;
2) Heat treatment: Firstly, increase the hardness by integral quenching, then tempering to 25-30 HRC, finally add the cutting edge hardness to 50-55HRC by high-frequency quenching.

We use salt bath quenching, by which the temperature is more homogeneous

3) Chambering in the hole or add a bushing in the hole. That's because the hold is tapered after the punching, it will abrade the hold the matched parts.
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