A Pinion Shaft Mandrel is a precision tool used to hold or reference pinion shafts during grinding, inspection, and secondary machining. Manufactured from stabilized alloy steel and precision ground, our mandrels provide excellent runout control, axial location, and vibration resistance—ideal for automotive and gearbox components.
Key Features
- High Concentricity up to ≤ 0.005–0.01 mm TIR
- Hardened & Precision Ground working surfaces
- Excellent Rigidity for grinding and inspection
- Accurate Face & Center Location
- Custom Diameters, Steps & Lengths available
- Long Service Life with dimensional stability
Applications
- Pinion shaft grinding (OD/face)
- Gear & pinion inspection
- CNC turning support operations
- Automotive differential & transmission parts
- Gearbox and industrial drive components
Technical Specifications (Typical)
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Parameter
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Specification
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Mandrel Type
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Solid / Stepped / Between Centers
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Material
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EN31 / EN24 / Alloy Steel
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Hardness
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58–62 HRC (optional)
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Accuracy
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≤ 0.005–0.01 mm TIR
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Surface Finish
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Precision ground
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Customization
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Diameter, length, steps, centers
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Types of Pinion Shaft Mandrels
- Solid Pinion Shaft Mandrel
- Stepped Pinion Shaft Mandrel
- Between Centers Mandrel
- Special Pinion Mandrel (as per drawing)
Advantages
- Improves grinding accuracy & surface finish
- Reduces setup time and rework
- Ensures repeatable inspection results
- Suitable for heavy-duty and precision applications
- Ideal for mass production environments
Why Choose Asmita Industries?
✔ 34+ years of precision manufacturing experience
✔ In-house grinding, heat treatment & inspection
✔ Custom mandrels made to drawing/sample
✔ Trusted Indian collet & mandrel manufacturer
✔ Pan-India supply & export support