Honing method and honing apparatus

Abrading – Precision device or process - or with condition responsive... – Controlling temperature

Reexamination Certificate

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Details

C451S051000, C451S053000, C451S061000, C451S120000, C451S121000, C451S123000, C451S150000

Reexamination Certificate

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06910945

ABSTRACT:
In a coarse honing step in a section (101), a honing head (15) provided with coarse honing hones (17) is inserted into a cylinder bore (13) of a cylinder block (11), the honing head15is rotated while axially moving it, and the inner peripheral surface of the cylinder bore (13) is thereby ground. In the next idling step in a section (102), the cylinder block (11) is left as it is for (60) seconds to generate a springback (S). In a subsequent finishing honing step in a section (103), a honing head (21) provided with finishing honing hones (19) is inserted into the cylinder bore (13), the honing head (21) is rotated in a reverse direction to a rotational direction in the coarse honing step while axially moving it, and the inner peripheral surface of the cylinder bore (13) is thereby ground. Further, a coolant is supplied to the sections of the coarse honing step, the idling step, and the finishing honing step from coolant nozzles (23), (25), and (27), respectively, using a common coolant supply source (29).

REFERENCES:
patent: 2167758 (1939-08-01), Johnson et al.
patent: 2323780 (1943-07-01), Kline
patent: 2697952 (1954-12-01), Otto
patent: 2763106 (1956-09-01), Evashevski
patent: 2896308 (1959-07-01), Swords
patent: 2917874 (1959-12-01), Lierse
patent: 3087281 (1963-04-01), Greening et al.
patent: 3339312 (1967-09-01), Hannon
patent: 3496678 (1970-02-01), Engle
patent: 4980996 (1991-01-01), Klink et al.
patent: 5371978 (1994-12-01), Higashikawa
patent: 41 24 769 (1993-01-01), None
patent: 5-57597 (1993-03-01), None
patent: 5-57598 (1993-03-01), None

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