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Foshan Li Dexin Machinery Manufacturing Co., Ltd.

Foshan Li Dexin Machinery Manufacturing Co., Ltd.

Specializing in the production of TCT circular saw blades, TCT band saw blades, finger joint knives, flying knives, various non-standard CNC grinding machine production lines

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Characteristics of alloy band saw blade grinding machine hard TCT

  • Time of issue:2019-10-10 11:23

(Summary description)Characteristics of TCT band saw blade grinding machine hard TCT

Characteristics of alloy band saw blade grinding machine hard TCT

(Summary description)Characteristics of TCT band saw blade grinding machine hard TCT

  • Time of issue:2019-10-10 11:23
Characteristics of TCT band saw blade grinding machine hard TCT
 
 
 
(1) High hardness, wear resistance and red hardness
 
The hardness of cemented carbide at room temperature can reach 86-93 HRA, which is equivalent to 69-81 hr. It can maintain high hardness at 900~1000 °C and has excellent wear resistance. Compared with high-speed tool steel, the cutting speed can be 4 to 7 times higher, the life is 5 to 80 times longer, and the hard material can be cut to a hardness of 50HRC.
 
(2) High strength and modulus of elasticity
 
The compressive strength of cemented carbide is up to 6000 MPa, and the elastic modulus is (4-7)×105 MPa, which is higher than that of high speed steel. However, its bending strength is low, generally 1000 to 3000 MPa.
 
 
(3) Good corrosion resistance and oxidation resistance
 
Generally, it is very resistant to atmospheric, acid, alkali and other corrosion, and is not easy to oxidize.
 
(4) Small linear expansion coefficient
 
When the TCT band saw blade grinding machine is working, the shape and size are stable.
 
(5) Shaped products are no longer processed and reground
 
Due to the high hardness and brittleness of cemented carbide, it is no longer subject to cutting or re-grinding after powder metallurgy forming and sintering. When special processing is required, only electric machining such as electric spark, wire cutting, electrolytic grinding or special grinding wheel grinding can be used. cut. A certain size of the product usually made of cemented carbide is brazed, bonded or mechanically clamped onto the body or mold body.
 
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