Internal Grinding Wheel

Internal grinding is a process of finishing the inside diameter of the component to an accurate size and desired finish.The high contact areas in this application poses a challenge and CUMI offers both conventional & high performance wheels

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Dia (mm) 10-120
Thickness (mm) 5-75

Internal grinding
Internal grinding is a process of finishing the inside diameter of the component to an accurate size and desired finish.The high contact areas in this application poses a challenge and CUMI offers both conventional & high performance wheels

Product Features

  • Better form retention
  • Excellent component finish
  • Less dressing frequency
Component Available:
  • Bearing
  • Connecting Rod
  • Gear
Bearing:

Bore grinding bearing: 
Material: MnCr5
  • Wheel Speed: 33/45/60 MPS
  • Stock Removal on Dia (mm): 0.3 to 0.4 MM, 0.4 to 0.5 MM
  • Grading: RA 80 J7 VF8 (S)/SA 801 TDV 144 (S)
Material: SAE 52100
  • Wheel Speed: 33/45/ 60 MPS
  • Stock Removal on Dia (mm): 0.3 to 0.4 MM, 0.4 to 0.5 MM
  • Grading: RA 80 J7 VF8 (S)/SA 801 TDV 144 (S)
Outer Ring Track Grinding:
Material: MnCr5
  • Wheel Speed: 33/45/60 MPS
  • Stock Removal on Dia (mm): 0.3 to 0.4 MM/ 0.4 to 0.5 MM
  • Grading: RA 120 K7 VF8 (S)/ SA 120 L7 VF8(S)
Material: SAE 52100
  • Wheel Speed: 33/45/ 60 MPS
  • Stock Removal on Dia (mm): 0.3 to 0.4 MM/ 0.4 to 0.5 MM
  • Grading: RA 120 K7 VF8(S), SA 120 L7 VF8(S)
Connecting Rod:
Operation: Steel
  • Wheel Speed (MPS) : 33/45/60 MPS
  • Stock Removal on Dia (mm): 0.3 to 0.4 MM/ 0.4 to 0.5 MM
  • Grading: RA 60 L7 VF8 (S)/ RA 60 L7 VF8 (S)
Operation: Forged Steel / Cast Iron
  • Type of Feed : Rotary Feed
  • For Finishing Operation - Grading: AA 100 H5 BRT / AA 80 H5 BRT
  • For Roughing Operation - Grading: AA 46 TDR 043/AA46 H11 SPL
Gear:
Operation: Hardened Steel
Material : 33/ 45/60 MPS
Wheel Speed(MPS) : 0.3 to 0.4 MM / 0.4 to 0.5 MM
Grading: AA 60 K5 V8 (S)


Tips: * Wheel diameter should be 75% of the bore to be ground. * To increase stiffness use shortest possible quills. * Do not use treated wheels when chilled metal working fluid is used . * Coolant very critical in this application. Refer coolant applications