Brake disk and manufacturing method thereof
US10274031B1 · kind B1 · utility
2Cited by
0References
3Claims
0Family size
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Key dates
| Filing date | Apr 26, 2018 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Apr 26, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2250/0053
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method of manufacturing a brake disk made of gray cast iron is disclosed. The method includes casting a disk body using gray cast iron containing 3.1 wt % to 3.7 wt % of C; machining a surface of the cast disk body; nitriding the disk body by exposing the machined surface to a temperature in the range of 540° C. to 580° C. for 50 min to 70 min, and coating the nitrided disk body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.