Success Stories

Cylindrical Grinding Maximizer

Part: Axle Shafts. Various sizes: Largest grind section 4.6"Ø Smallest grind section Ø1.8" with 3 grinds per shaft. Largest width at 1.5" with a face grind.
Part Tolerances: Bearing diameter roundness ±0.0003"
Material: Hardened Steel
Hardness: 58 - 62 Rc
Stock Removal: 0.044" on diameter with 0.014" on face
Wheel Specification: 17" x 3.215" x 5" angle head Type 1EE1SP Vitrified CBN Maximizer

Conventional Al2O3Wheel

Wheel Speed: 8,500 S.F.P.M.
Work Speed: 35
Pieces per dress: 1
InFeed per dress: 0.001+ 2 to 3 passes
InFeed rate: 0.020" per minute (Rough)
Coolant: Semi-Synthetic
Total Cycle Time: 7+ minutes

Vitrified CBN

Wheel Speed: 8,500 S.F.P.M.
Work Speed: 70
Pieces per dress: 80
InFeed per dress: 0.00005 with 4 passes
InFeed rate: 0.085" per minute (Rough)
Coolant: Semi-Synthetic
Total Cycle Time: 1 minute 55 seconds

Savings / Advantages: Nearly 4 times productivity and eliminated scrap. Customer has now purchased a higher horsepower grinder needing only a 1.5" section of CBN (Maximizer) thus reducing wheel cost by 3 times. Early values indicate a Cpk of > 12 and a sigma level of >36.