Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1986-09-26
1987-11-03
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
5116591, 51281R, 51289R, B24B 4904
Patent
active
047035870
ABSTRACT:
Two machine tools are provided with control systems for machining two different types of pieces to be matched to each other. In order to obtain small batches of relevant pieces that basically can be completely matched to one another, the control systems are independent from each other and each of them comprises post-process and in-process checking stations; the first station, besides checking the proper operation of the in-process station progressively and at short regular intervals changes its zero condition, so as to obtain machining pieces having dimensions evenly distributed within the relevant tolerance range.
REFERENCES:
patent: 2979869 (1961-04-01), Birleson et al.
patent: 3001336 (1961-09-01), Bayer
patent: 3019565 (1962-02-01), Hatstat et al.
patent: 3889428 (1975-06-01), Steingger et al.
patent: 4274230 (1981-06-01), Thalheim
Bolognesi Antonio
Gherdovich Giancarlo
Selleri Narciso
MARPOSS Societa' per Azioni
Whitehead Harold D.
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