NIPPON TOKUSHU KENTO  CO., LTD.CATALOGUE DOWNLOAD

P-TENE Grinding Wheels 

Mirror finishing wheels for internal grinding machines and machining centers

  • offer mirror finishing with 10 nm Ra or finer surface roughness
  • improve surface roughness with keeping workpieces’ original profile
  • easy truing and dressing

 

Product Range

BondThermosetting Resin
Young’s modulus1000 - 6000 MPa
Wheel diameterø10 - 100 mm
Wheel thickness10 - 50 mm
Grit size#1000 - #3000
Abrasive grainDiamond, CBN
MOS32 m/sec.

 

Examples

P-TENE with Internal Grinding Machines

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Polishing Condition
MachineInternal grinding machine
WorkpieceMold (cemented carbide)
SpecificationP-TENE wheel Diamond #2000
Vc32 m/sec.
Contact time80 sec.
Cut of depthø100 µm/20 sec. + S/O 60 sec.
Stock removalø10 µm
Oscillation4 mm 250 times/min.

   

Dress Condition
DresserSingle point
Depth of infeed of dressing toolø20 µm (Finish)
Cross-feed rate of dressing tool400 mm/min.
Vc32 m/sec.
Before Grinding
Ra 0.030 μmRz 0.42 μmRoundness 0.50 μm

After Grinding
Ra 0.015 μmRz 0.14 μmRoundness 0.33 μm

 

P-TENE with Machining Centers

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Polishing Condition
MachineMachining center
Workpiece1.2379 / X153CrMoV12
SpecificationP-TENE wheel Diamond #2000
Vc32 m/sec.
Contact time210 sec.
Cut of depth5 μm/pass
Stock removal300 mm/min.
Pass10 passes
Oscillation2 mm 10000 mm/min.

   

Dress Condition
DresserSingle point
Depth of infeed of dressing toolø20 μm + 0 cut
Cross-feed rate of dressing tool200 mm/min.
Vc10 m/sec.
After Grinding
Ra 0.009μm

 

 

  

 

P-TENE with Surface Grinding machine

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Polishing Condition
MachineSurface Grinding Machine
Workpiece1.3243(HS 6-5-2-5)
SpecificationP-TENE wheel Diamond #2000
Vc25 m/sec.
Cut of depth0.2 μm/pass
Stock removal30 µm
Pass18 passes

   

After Grinding
Ra 0.004μm