发明名称 |
ENGINE BORE MILLING PROCESS |
摘要 |
A method of milling an engine bore is disclosed. The method may include inserting a milling tool having a plurality of cutting edges along a longitudinal axis into an engine bore, rotating the milling tool about the longitudinal axis and moving the milling tool around a perimeter of the engine bore to remove material from the engine bore, and rough honing the bore. The milling may generate a tapered bore (e.g., frustoconical). The rough honing process may increase a minimum diameter of the tapered bore by at least 60 μm. A total time of the milling and honing process may be less than 60 seconds. In one embodiment, the honing step may include using a grit size of at least 200 μm and/or using a honing force of at least 200 kgf. The method may reduce the cycle time and tooling requirements of forming engine bores. |
申请公布号 |
US2017120348(A1) |
申请公布日期 |
2017.05.04 |
申请号 |
US201514928111 |
申请日期 |
2015.10.30 |
申请人 |
FORD MOTOR COMPANY |
发明人 |
STEPHENSON David Alan;OZOG David Alan |
分类号 |
B23C3/02;F02F7/00;B24B33/02;F02F1/00 |
主分类号 |
B23C3/02 |
代理机构 |
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代理人 |
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主权项 |
1. A method comprising:
inserting a milling tool having a plurality of cutting edges along a longitudinal axis into an engine bore; rotating the milling tool about the longitudinal axis and moving the milling tool around a perimeter of the engine bore to remove material from the engine bore and form a tapered bore; and rough honing the tapered bore to increase a minimum diameter of the tapered bore by at least 60 μm. |
地址 |
Dearborn MI US |