Success Stories

Creep-Feed (Surface Grinding) Maximizer

Part: Vanes. 2" Long x 0.124" with 0.200" radius. 6 vanes per fixture
Part Tolerances: Flatness ±0.0003"
Material: Tool Steel
Hardness: 58 - 62 Rc
Stock Removal: 0.018" to 0.022
Wheel Specification: 16" x 3" x 5" (1.5" flat and 1.5" with 6 radii)

Conventional Al2O3Wheel

Wheel Speed: 6,300 S.F.P.M.
Work Traverse Speed: Not recorded
Pieces per dress: 5 dresses per load
InFeed per dress: 0.0007 with 2 passes
InFeed rate: 0.030" per minute (Rough)
Coolant: Water Soluble Oil
Total Cycle Time: 7 minutes 30 seconds

Vitrified CBN

Wheel Speed: 6,300 S.F.P.M.
Work Traverse Speed: Ranged from 18" to 50" per minute
Pieces per dress: 20 loads per dress
InFeed per dress: 0.00005 with 2 passes
InFeed rate: One pass full depth
Coolant: Water Soluble Oil
Total Cycle Time: 2 minutes 52 second

Savings / Advantages: Nearly 3 times productivity over conventional Al2O3 wheels and much better process control (Cpk)

Kate Spade New York