Supply coal mine roadheader mining hard rock sandstone hard rock coal mine gold mine roadheader

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Supply coal mine roadheader mining hard rock sandstone hard rock coal mine gold mine roadheader

Specifications :

U95

QTY	5-9	≥ 10
FOB PRICE	$ 15.5 / PCS	$ 14.39 / PCS

CIF PRICE

Please contact the supplier to get the latest CIF price
QUANTITY

-

+

PCS
TOTAL COST
$77.50

Specification

Order No. : GK001,No,Shandong State Mine,U95,cutting tooth of roadheader,Mining,0,U95,No

Material : Default

Packing Information

Pcs/Carton : N/A	Packing Size/Carton : N/A	Packing Vol/Carton : N/A
N.W./Carton : N/A	G.W./Carton : N/A	QTY in 40HQ : N/A
QTY in 40GP : N/A	QTY in 20GP : N/A

Product Introduction

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矿用截齿在切割煤岩时承受高的周期性压应力、切应力和冲击负荷，煤的硬度虽不很高，但其中经常会遇到煤矸石等硬的矿料，切割煤岩过程中由于摩擦、冲击还会造成截齿温度升高，在如此复杂工况条件下工作的截齿，就要求其矿用截齿刀体既要耐磨又应具有较好的耐冲击性能。截齿主要由截齿柄、截齿头、合金刀头组成，常把截齿柄和截齿头和称截齿刀体。截齿刀体硬度为4045HRC，冲击韧性不小于49J/cm2。矿用截齿的种类很多,一般结构是在经淬火、回火处理的低合金结构钢刀体上镶嵌硬质合金刀头。
矿用截齿主要失效形式为刀头脱落、崩刀和刀头、刀体磨损,在某些工况条件下也经常因为刀体折断造成截齿的失效。由于矿用截齿刀体的机械性能好坏直接影响截齿的使用寿命,所以合理选择截齿刀体的材质和有效的热处理方式,对减少截齿刀体的磨损折断、降低采煤机截齿消耗量、提高采煤机械运转率、增加采煤生产的综合经济效益,都有积极的意义。

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f76eed7e67185581f73c878285ba73

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5c75deea73f9f9759fac87daa4a425

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