Mizui Seiko Co., Ltd.
- Telephone number: +81-294-82-2241
- FAX: +81-294-82-2251
- Basic Info
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- Technology & Products
- History, Philosophy & Quality
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Ultra-precision mirrored stainless steel polishing shaft
Industry
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Specifications
- Materials： ---
- Lots： ---
- Precision： ---
Conventional technologies/differences from other companies
■ Precision stainless shaft
[Mirror finished surface: Ra 0.01 or less, roundness 0.2 μm or less]
Stroke shaft, motor shaft, linear shaft plunger
[Handling steel type]
・ Bearing steel SUJ2 (HRC60 or higher)
・Austenitic steel SUS303 SUS304 SUS316 SUS201
・Martensitic stainless SUS440C SUS420 (HRC58 or higher)
Heat treatment, Vacuum heat treatment, Bright quenching
Centerless technology with outer diameter accuracy of 1 micron or less
Super finish technology with outer diameter mirror surface accuracy of Rz0.1 or less (super finish)
* The same roughness can be achieved with austenitic material.
After centerless polishing, super-finishing and buffing for mirror surface
Company info
| Company name | Mizui Seiko Co., Ltd. | EMIDAS Member Number | 80885 |
|---|---|---|---|
| Country | Japan | Street address |
Hitachiota City Ibaraki Japan |
| Telephone number | +81-294-82-2241 | Fax number | +81-294-82-2251 |
| Employees | 12,000,000 JPY | Annual sales | |
| Employees | 70 | Person in charge | 井上 雅弘 |
| Type of manufacturing | Industrial machinery / Electrical component for transportation equipment / Medical equipment | ||
