Tungsten Carbide Button for Shearer

Introduction

Tungsten carbide button for shearer is the most important component of the coal mine comprehensive mining equipment, the performance directly affects mining efficiency. In the comprehensive analysis of the cutting mechanism of the Button and the comprehensive stress and crushing causes of the crushing, shearing and impacting under the light, medium and heavy working conditions of the coal seam, coal and rock mixed layer and rock formation, our company's non-sparking wear-resistant Button have the following characteristics:

1: The button body is preferably made of high-strength alloy structural steel. It adopts precision cold forging one-time forming process, and the internal structure is uniform and the grain is fine.

2: The outer surface of the upper taper of the button is wear-resistant by micro-arc plasma precision cladding technology, which improves the overall wear resistance of the button and can effectively prevent the alloy head from falling off.

3: The alloy head adopts high-quality coarse-grain tungsten-cobalt cylinder hard alloy, which has the characteristics of uniform hardness, impact resistance and wear resistance, and is suitable for the harsh working conditions under the mine.

4: The button solder is made of copper-based solder and flux imported from the United States, and the welding strength is increased by 30%, which effectively ensures the welding strength of the cemented carbide head and the tooth body.

5: When the button cone is brazed in the tungsten carbide head, the outer surface of the alloy head and the inner surface of the matching hole are micro-pored, which increases the spread area of the brazing material during brazing and strengthens Wetting between the solder and the tooth head and the tooth body.

6: The cladding material is added with ceramic particles, and the cladding layer does not generate sparks when colliding with the rock.

7: The button with micro-arc plasma precision cladding technology wear-resistant strengthening treatment, the cladding layer and the substrate are deeply combined, the hardness is uniform, wear-resistant and impact-resistant, thereby greatly improving the service life.