Applications
・Flute grinding for drill and endmill, etc.
・Finish polishing of ceiling part surface of valve lifter
Features & Benefits
■ Long wheel life at high metal removal rate
■ Due to heat resistance and advanced bond system, this wheel brings less wheel wear and longer wheel life at high metal removal rate.
■ Excellent corner holding
■ Stable grinding power
Applications
・Angular grinding
・Form grinding
Features & Benefits
■ Due to strong abrasives holding strength, this wheel offers consistent grinding performance, which contributes to dressing interval extension and cost reduction.
■ By employing our advanced manufacturing method, two types (Non-segment type & Segment type) of wheels are available.
Applications
・Form grinding
・Internal grinding for small bore
Steel and iron : Electroplated CBN wheel
Features & Benefits
■ Superabrasives (CBN) are fixed on steel core by electric plating method. Electroplated has only one layer.
■ Due to large protrusion height of abrasives, this wheel is suitable for precision grinding with free cutting.
■ Due to high abrasive density, this wheel offers high wear resistance and low power consumption.
■ It is possible to make small-diameter wheels or complex shaped wheels as required.
Applications
Roll grinding for semi-HSS, SKD, SKH
・ Sendzimir mill roll
・ Other roll
Applications
■ Due to various types of abrasives and bonds and the best combination, this wheel can satisfy your requirements. Our advanced core with vibration-absorption can be useful for eliminating chatter marks in roll grinding.
Applications
・Bearing parts (needle, roller, and outer ring)
・Engine parts (fuel injection nozzle)
・Machinery parts (pin, and motor shaft, etc)
・Cutting tools (drills, etc)
・Pin and needle
・Hardened steel rod
・High speed tool steels・Alloy steels・Bearing steels・Cast iron, etc.
Features & Benefits
Vitrified Bond CBN Wheel
■ Due to strong abrasives holding strength, this wheel offers stable cutting, and dressing interval extension, which contributes to a cost reduction.
■ By employing our advanced manufacturing method, seamless centerless wheel and segment wheel are available..
■ Seamless centerless wheel is designed for high-precision grinding.
Resin Bond CBN Wheel
■ Due to its self-sharpening, resin bond wheel is easy to use and offers stable free cutting.
Applications
・Automobile parts (Gear, CVJ, and valve lifter, etc)
・Bearings (Inner ring & Outer ring)
・Compressor parts (Cylinder, bearing, roller, etc)
・Jig grinding and various bore grinding
Features & Benefits
■ Our various vitrified bond CBN wheels will satisfy your applications and your needs.
■ Internal grinding
Wheel : φ 25， B140 conc150 VC**
Workpiece material : SUJ-2（HRc60）
MRR : Z’＝ 3mm3/mm・sec（Rough grinding）
Ｚ’＝ 3mm3/mm・sec（粗研）
Applications
・Automobile parts
・Oil pump parts
・Compressor parts
・Miscellaneous
Features & Benefits
■ Due to our advanced bond system, this wheel can easily true the flatness of a grinding wheel with on-machine electro discharge truing, and also this wheel can reduce the amount of dimensional compensation during grinding, so that high accuracy in workpiece quality and longer wheel life can be offered.
Applications
・Automobile parts
・Oil pump parts
・Compressor parts
・Miscellaneous parts
Features & Benefits
■ Due to our advanced bond system and design, this wheel offers cool cutting at broad grinding area and high-accuracy and high efficiency grinding. Depending on applications, various types of wheel designs are available, such as two different grades inside and outside and additional slots.
■ Dressing interval extension can be achieved with low grinding force.
Case history
■ Grinding conditions
・Grinding mode ： Double disc surface grinding
・Wheel specification ： φ 585 × 195W × 2X CBN #120 −Resin
・Name of workpiece ： Valve adjusting shim
・Workpiece material ： SCM415
・Workpiece size ： φ 27 〜φ 40 × 3T
■ Results
・Surface roughness : Less than 1.6μmRz (ISO4287/1984)
・Flatness : Less than 5μm
・Long wheel life
■ Grinding conditions
・Grinding mode ： Double disc surface grinding
・Wheel specification ： φ 305 × 115W × 4X CBN#200 −Resin
・Name of workpiece ： Vanes
・Workpiece material ： SKH-51（HRc62）
・Workpiece size ： □ 20 〜30
■ Results
・Surface roughness : Less than 1.5μmRz (ISO4287/1984)
・Flatness : Less than 3μm
This wheel has longer wheel life compared with conventional wheel.
■ Grinding conditions
・Grinding mode ： Double disc surface grinding
・Wheel specification ： φ 305 × 50W × 3X CBN#120/325 −Resin
・Name of workpiece ： Cylinders
・Workpiece material ： FC-25
■ Results
Dressing interval extension and longer wheel life can be achieved.
Applications
・Mold / Machinery parts / Jig, etc
・High speed tool steels / Alloy steels / Bearing steels / Cast iron, etc
Features & Benefits
Vitrified Bond CBN Wheel
■ It is possible to true and dress.
■ Due to high rigidity, this wheel can grind workpiece with high accuracy.
■ Due to strong abrasives holding strength, this wheel offers long life.
VC5P
Due to high porosity, this wheel achieves reduction of heat generation during grinding operation and is suitable for heat sensitive steels.
VCK30
This wheel has excellent cutting ability and is applicable for general purpose such as surface grinding and cylindrical grinding, etc.
VC16
This wheel is suitable for high metal removal rate with long life.
Resin Bond CBN Wheel
■ Due to its self-sharpening, resin bond wheel is easy to use and is suitable for roughing – finishing.
■ Due to moderate abrasive holding strength and wear-resistance, this wheel is suitable for roughing with free cutting.
■ Due to elasticity, this wheel using fine grits is suitable for finishing.
Applications
・Shaft / Automobile parts / Bearing / Sendzimir mill roll
・High speed tool steels / Alloy steels / Bearing steels / Cast iron, etc
Features & Benefits
Vitrified Bond CBN Wheel
It is possible to true this wheel by rotary truer.
■ VC5P
Due to high porosity, this wheel achieves reduction of heat generation during grinding operation, and is suitable for heat sensitive steels.
■ VCK30
This wheel has excellent cutting ability and is applicable for general purpose such as cylindrical and surface grinding, etc.
■ VC16
This wheel is suitable for crank and cam shaft grinding and cylindrical grinding with high metal removal rate.
Resin Bond CBN Wheel
■ Due to its self-sharpening, resin bond wheel is easy to use.
■ Due to moderate abrasive holding strength and wear-resistance, this wheel is suitable for roughing with free cutting.
■ Due to elasticity, this wheel using fine grits is suitable for finishing.
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