PRODUCTS
Super Long Life Vit-CBN Wheel "MEGA-LIFE WHEEL"
Grinding and Polishing Tools
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Grinding Wheels
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- Ceramic Grain CX Wheel
- Vitrified-bonded Wheel for Gear Grinding "Gear Ace"
- New Super-finishing Wheel "Keen Stone"
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CBN Wheels
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- Crank Shaft Grinding CBN Wheel "Σ Wheel"
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- Super Long Life Vit-CBN Wheel "MEGA-LIFE WHEEL"
- Mirror-finish CBN Wheel
- Vitrified-bond CBN "Muscle Wheel"
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Diamond Tools
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- Beveling Wheel for Wafer
- Metal Wheel for Super-Hard Main Groove Grinding "Dress-less Metal (MDL)"
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- Honing Wheel Applicable to Water Soluble Coolant
- Grinding Wheel for Super-Hard Drill and Endmill Grinding "i-Flute"
- Cutting Tip Outer Edge Grinding Resin Wheel "i-Surface"
- Resin Bond Wheel for High Quality Profile Grinding "Keep Bright"
- Metal Bond Wheel for High Accuracy Profile Grinding "Keep Edge"
- General-use Multi-pore Diamond Grinding Wheel "SD MEMOX"
- Poreless Vitrified Diamond PCD Grinding Wheel "Smooth Fine"
- Surface Grinding Wheel for Solar Cell Silicon Ingots
- Porous Vitrified-bonded Diamond Wheel "VDH Wheel"
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- NORITAKE TECHNICAL JOURNAL of Grinding & Polishing Technical Information
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- Grinding & Polishing Technical Information "NORITAKE TECHNICAL JOURNAL"
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Technical Support
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The MEGA-LIFE WHEEL is a completely new vitrified-bond CBN wheel with extended life. This extremely durable new wheel delivers high efficiency, high quality and long life, and is ideal for high-load grinding such as cam-lobe profile grinding and contour grinding that demands sustained wheel shape.
Features
This wheel delivers better performance than existing wheels thanks to a newly-developed wheel structure and the new “VML” bond, which offers high strength and good erosion.
- Enables extreme improvements in dressing interval.
- Advanced machining performance reduces occurrences of grinding breakage.
Applications
- Cam-lobe profile grinding
- Contour grinding
- Cylindrical grinding
Grinding Data
Cam-lobe profile grinding
| Wheel size | φ350D |
|---|---|
| Machine | Cam-lobe profile grinder |
| Wheel speed | 80m/s |
| Workpiece | FC 250 (Chilled cast iron) |
| Grinding efficiency | Z’= 282 mm3/mm・s |
Contour grinding
| Wheel size | φ380D |
|---|---|
| Machine | Super high speed cylindrical grinder |
| Grinding method | Wet traverse grinding |
| Wheel speed | 120m/s |
| Workpiece | SCM435 (HRC48) |
| Grinding efficiency | Z’w= 183mm3/s |
Cylindrical grinding
| Wheel size | φ350D |
|---|---|
| Machine | Super high speed cylindrical grinder |
| Wheel speed | 80m/s |
| Workpiece | SCM435 (HRC48) |
| Grinding efficiency | Z’= 20mm3/mm・s |
