Metal working – Plural diverse manufacturing apparatus including means for... – With means to feed work intermittently from one tool station...
Patent
1987-02-25
1989-06-13
Bilinsky, Z. R.
Metal working
Plural diverse manufacturing apparatus including means for...
With means to feed work intermittently from one tool station...
29 485A, 74813L, B23Q 3904
Patent
active
048379123
ABSTRACT:
A hydraulic driving arrangement for circular indexing tables for the precise positioning of workpieces, with the exact position of the workpieces being determined by an index. A hydraulic motor is provided with an electro-hydraulic follow-up governor using a stepping motor for setting the desired values and a mechanical actual value indication arrangement. A monitoring arrangement positively coupled with the circular indexing table and/or a driving gear of the hydraulic motor indicates whether or not the circular indexing table is in a position suitable for bringing the indexing gear into engagement and, if so, emits a signal triggering the indexing process or, if the circular indexing table is not in the desired position, deactivates the indexing mechanism. The monitoring arrangement comprises a cam disk coupled with the circular indexing table via a gearing so that it performs exactly one rotation by 360.degree. between two desired positions.
REFERENCES:
patent: 2900849 (1959-08-01), Hutchens et al.
patent: 2984978 (1960-05-01), Estabrook
Bilinsky Z. R.
Hartmann & Lammle GmbH & Co. KG
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