How to Select Stone Carving Bits
How to Select Stone Carving Bits?
There are so many stone carving bits with different kinds and big price difference on the market. So how to choose china diamond tools for stone? We can commence from the following aspects.
1. High hardness and abrasion performance:
(1) Hardness is the basis character of diamond engraving tool. The cnc bits could cut off materials from work piece, only when the rigidity is bigger materials'.
Usually, the rigidity of granite router bits is more than 60HRC.
(2) To wear resistance:
Ordinarily, the higher rigidity, the thinner material grains, the more even distribution, and then the better durability.
2. Good strength and toughness:
Stone carving bits should be with such properties especially under the situation of:
(1) Bear great pressure;
(2) While processing, it won't appear tool break up and breaking edge phenomenon under the condition of shocking and vibration.
3. Good heat resistance:
(1) It means that, solid end mill can still keep the performance of rigidity, wearability, intensity and tenacity at a great heat.
(2) The higher hardness, the better cutting property, and allows faster machining speed.
(3) Besides, steel cutting bit should also keep excellent resistance to oxidation, bonding and spreading.
4. Economy:
It is an important indicator.
Some diamond tools, such as PCD bits are a little expensive, but because of their long lifetime, so the cost is lower after allocating to each part.
5. Stone carving bits should have predictability to technological and manufacturing properties.
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