Machine tools

Details Machine tools Machine tools

1988-02-17

1990-05-08

Schmidt, Frederick R.

Turning

Lathe

Portable

82113, 82114, B23B 0508

Patent

active

049227726

ABSTRACT:
A machine tool (10) intended for machining components on site comprises a frame (12) mounted on bearings (14, 16). Each bearing (14, 16) comprises an inner fixed bearing (14C, 14D, 16C, 16D) clamped to a work piece (22) and an outer rotatable bearing (14A, 14B, 16A, 16B). The frame (12) supports one or more spindles (74) having two cutting tools (82, 84) which are driven by air motors (76) through gear boxes (78). The frame (12) is driven by an air motor (60) through a reduction gear box (56) and annular gear (54). The bearings (14, 16) are both split to enable the machine to be assembled around a work piece (22) so that the tool can machine diameters (22A, 22B).

REFERENCES:
patent: 2675655 (1954-04-01), Strait
patent: 2747274 (1956-05-01), Willard et al.
patent: 2796792 (1957-06-01), Dias
patent: 2842238 (1958-07-01), Shaw et al.
patent: 3183636 (1965-05-01), Kelley et al.
patent: 3650936 (1972-03-01), Towle
patent: 4359917 (1982-11-01), Wilger et al.

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