High-speed steel cutting tools feature low product price and narrow profit margin, which requires fast production of qualified workpieces. 

The Mywells series CBN wheels dedicated for HSS deliver sharp cutting performance and excellent form retention. 

Below is a machining case for large-diameter HSS tools.

Machine: Shanfei Lianxiang 

Grinding Wheel: 125×31.75×10×10×45°, B107-A-13 

Cooling: Oil cooling 

Workpiece: Solid HSS M2AL, cutter diameter 30 mm, flute length 45 mm, helix angle 45°, 3 flutes; 1st relief angle 10°, 2nd relief angle 23°.

Grinding parameters: 

Peripheral speed: 25 m/s 

Flute depth of cut: 6 mm, feed rate 35 mm/min 

Cross grinding depth of cut: 3 mm, feed rate 35 mm/min 

1st relief angle feed rate: 100 mm/min 

2nd relief angle max depth of cut: 4 mm, feed rate: 120 mm/min

Total machining time: 3 min 38 sec

Summary: Competitor wheel took 5 min 09 sec for the same machining task. 

Mywells CBN wheel only needs 3 min 38 sec, 25% higher machining efficiency. 

For dressing interval: competitor wheel needs dressing every 100 pieces, while Mywells can process 300 pieces before dressing. The dressing interval is tripled.