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Compressor industry solution

Compressor is the heart of the refrigeration system, most spare parts adopt grey cast iron as the main materials, often appear tool wear problem, HALNN superhard research and development two kinds of cutting tool model number BN - K20 and BN - S30 in the light of existing problems, including BN - K20 model number belong to cubic boron nitride cutting tools welding type, suitable for fine machining the compressor parts. BN - S30 model number belongs to the integral cubic boron nitride cutting tools, rough maching and finish machining. Specific case as follows.

1.HALNN superhard cubic boron nitride cutting tool BN - K20 model number processing compressor parts bearing case: 

压缩机1.jpgUpper bearing

Processing Materials: HT200(hardness:HB170-210);
Processing parts: Compressor parts bearing;
Cutting tools model: BN-K20;
Processing procedure: Fine maching end face;
Cutting parameters: ap=0.3mm,Fr=0.25mm/r,Vc=600m/min;
Processing type: Wet cutting
Processing effect: Compared to coated carbide cutting tools(as below pictured): The cutting speed is higher 2 times than coated carbide cutting tools, the single inserts life is 5 times of the coated carbide cutting tools. Not only improve the machining efficiency, but also reduce the processing cost.

Cutting tools materials Cutting speed Single insert life
Halnn BN-K20 600m/min 500pcs/edge
A certain brand of coated carbide inserts 330m/min 80pcs/edge

2.HALNN superhard cubic boron nitride cutting tool BN - K20 model number processing compressor parts crank shaft case: 

压缩机2.jpg Crankshaft

Processing Materials: QT500(Hardness:HB170-210);
Processing parts: Compressor parts crankshaft;
Cutting tools model: BN-K20;
Processing procedure: Fine maching outer circle;
Cutting parameters: ap=0.3mm,Fr-0.2mm/r,Vc=380m/min;
Processing type: Wet cutting
Processing effect: Compared to coated cutting tools(as below pictured): The cutting speed is higher than coated cutting tools, the cutting tools life is 5 times of the coated cutting tools.

Cutting tools materials Cutting speed Single insert life
Halnn BN-K20 380m/min 220pcs/edge
A certain brand of coated carbide inserts 260m/min 40pcs/edge

3.HALNN superhard cubic boron nitride cutting tool BN - K20 model number processing compressor parts cylinder case:

气缸3.jpgCylinder

Processing Materials: HT200(Hardness:HB170-210);
Processing parts: Compressor parts cylinder;
Cutting tools model: BN-S30;
Processing procedure: Rough machining;
Cutting parameters: ap=2mm,、Fc=0.2mm/r,Vc=400m/min;
Processing type: Wet cutting
Processing effect: Compared to coated cutting tools(as below pictured): The cutting speed is higher 1 time than coated cutting tools, the single blade life is 4 times of the coated cutting tools.

Cutting tools materials Cutting speed Single insert life
Halnn BN-S30 400m/min 80pcs/edge
A certain brand of coated carbide inserts 260m/min 20pcs/edge

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