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Method for machining cemented carbide inlaid blade

A technology of cemented carbide and processing method, applied in the field of inlaid cemented carbide strip cutter processing, can solve the problems of surface adhesion residue, low forming flatness, low structural strength, etc., so as to reduce the amount of slag and reduce the amount of extrusion deformation. , to ensure the effect of structural strength and cutting strength

Inactive Publication Date: 2019-08-16
MAANSHAN HENGLIDA MACHINE BLADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for processing an inlaid carbide strip knife to solve the problems of low structural strength of the existing inlaid carbide strip knife proposed in the above-mentioned background technology, surface adhesion residue and low forming flatness during processing

Method used

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Effect test

Embodiment 1

[0022] The invention discloses a method for processing an inlaid carbide strip knife, the steps of which are as follows:

[0023] Step 1: Prepare the raw materials required for the production of inlaid carbide strip knives, and mix the tungsten carbide WC and carbon monoxide CO in the prepared materials in proportion. The ratio of tungsten carbide WC and carbon monoxide CO is WC: 85%; CO: 15% %;

[0024] Step 2: Grind the raw materials prepared in the above step 1 through a Ф900×1800 ball mill. The technical parameters of the Ф900×1800 ball mill are: the cylinder speed is 36-38r / min, the ball loading capacity is 1.5t, the motor The power is 18.5kw, the total weight is 5.5t, put alcohol as the medium, and add BHT oxygen inhibitor, the processing time is 40-60 hours;

[0025] Step 3: Drying, granulating and pressing the raw materials processed in the above step 2. Before pressing the raw materials, the circular distribution method is adopted, and the pressed raw materials are p...

Embodiment 2

[0030] The invention discloses a method for processing an inlaid carbide strip knife, the steps of which are as follows:

[0031] Step 1: Prepare the raw materials required for the production of inlaid carbide strip knives, and mix the tungsten carbide WC and carbon monoxide CO in the prepared materials in proportion. The ratio of tungsten carbide WC and carbon monoxide CO is WC: 80%; CO: 20% %;

[0032] Step 2: Grind the raw materials prepared in the above step 1 through a Ф900×1800 ball mill. The technical parameters of the Ф900×1800 ball mill are: the cylinder speed is 36-38r / min, the ball loading capacity is 1.5t, the motor The power is 18.5kw, the total weight is 5.5t, put alcohol as the medium, and add BHT oxygen inhibitor, the processing time is 30-50 hours;

[0033] Step 3: Drying, granulating and pressing the raw materials processed in the above step 2. Before pressing the raw materials, the circular distribution method is adopted, and the pressed raw materials are p...

Embodiment 3

[0038] The invention discloses a method for processing an inlaid carbide strip knife, the steps of which are as follows:

[0039] Step 1: Prepare the raw materials required for the production of inlaid carbide strip knives, and mix the tungsten carbide WC and carbon monoxide CO in the prepared materials in proportion. The ratio of tungsten carbide WC and carbon monoxide CO is WC: 90%; CO: 10 %;

[0040] Step 2: Grind the raw materials prepared in the above step 1 through a Ф900×1800 ball mill. The technical parameters of the Ф900×1800 ball mill are: the cylinder speed is 36-38r / min, the ball loading capacity is 1.5t, the motor The power is 18.5kw, the total weight is 5.5t, put alcohol as the medium, and add BHT oxygen inhibitor, the processing time is 50-70 hours;

[0041] Step 3: Drying, granulating and pressing the raw materials processed in the above step 2. Before the raw materials are pressed, the circular distribution method is adopted, and the pressed raw materials are...

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Abstract

The invention discloses a method for machining a cemented carbide inlaid blade. The method comprises the following steps that firstly, raw materials required by the cemented carbide inlaid blade are prepared, tungsten carbide (WC) and carbon monoxide (CO) of the materials are blended proportionally; and secondly, the blended raw materials in step 1 are mechanically ground through ball milling, alcohol is added as a medium, and an oxygen suppressant is added. According to the method for machining the cemented carbide inlaid blade, by accurately matching WC and CO during blending of the cementedcarbide inlaid blade, the effect that the cemented carbide inlaid blade effectively has high strength and high toughness after manufacturing is effectively ensured, the structural strength and cutting strength of the cemented carbide inlaid blade are ensured, the structural strength of the alloy blade is further improved by inlaying alloy on the blade, extrusion deformation to the alloy blade during operation is reduced, and the structural strength of the alloy blade and strength at a cutting edge are improved.

Description

technical field [0001] The invention relates to the technical field of processing an inlaid carbide strip knife, in particular to a processing method for an inlaid carbide strip knife. Background technique [0002] Inlaid carbide strip knives are blades with high-strength cutting ability, generally divided into pure steel strip knives, stainless steel strip knives and carbide strip knives. [0003] At present, the inlaid carbide knife on the market is poorly proportioned in the production of the alloy, which is likely to cause low hardness and low willfulness after the alloy knife is produced, reducing the strength of the alloy knife and the sharpness of the cutting edge. Alloy strips are prone to oxidation and coking during sintering in a pressure furnace, which not only causes impurities to adhere to the surface of the cutter body, but also easily causes slagging on the inner wall of the pressure furnace, resulting in an increase in the subsequent processing steps of the c...

Claims

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Application Information

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IPC IPC(8): B23P15/28
CPCB23P15/28
Inventor 张增明朱凌云夏华庆陈洋
Owner MAANSHAN HENGLIDA MACHINE BLADE
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