AUTOMATIC LATHE AND CONTROL METHOD THEREFOR

Title:

AUTOMATIC LATHE AND CONTROL METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/1999/011409

Kind Code:

A1

Abstract:

A turret (24) is clamped to a tool post body (22) by a pair of coupling members (66, 68). Also, at the time of indexing rotation for tool selection, the tool post body (22) and the turret (24) are moved relative to each other in the Z-axis direction, whereby the pair of coupling members (66, 68) are disengaged to unclamp the turret (24). At this time, in synchronism with the relative movements of the tool post body (22) and the turret (24) in the Z-axis direction, the tool post body (22) is moved relative to a lathe base (10) in the Z-axis direction. Such movements of the tool post body (22) are adjusted in such a direction and in such an amount of movement as to eliminate relative movements between the turret (24) and a headstock (12). Such movement control stops movements of the turret (24) and a tool mounted thereon relative to the headstock (12) and a work, so that the problem of interference between these constituent components is eliminated.

More Like This:

JPS5976701	CONTROL METHOD OF CHASING TYPE LATHE
JP2023519381	Machining methods for milling hard and brittle materials with multi-bladed carbide tools
JP4658734	Collision prevention method for machine moving parts in lathes

Inventors:

SHINOHARA HIROSHI (JP)
NAKAYA TAKAICHI (JP)

Application Number:

PCT/JP1998/001594

Publication Date:

March 11, 1999

Filing Date:

April 07, 1998

Export Citation:

Click for automatic bibliography generation Help

Assignee:

CITIZEN WATCH CO LTD (JP)
SHINOHARA HIROSHI (JP)
NAKAYA TAKAICHI (JP)

International Classes:

B23B1/00; B23B3/16; B23B7/00; B23Q1/64; B23Q16/10; B23Q39/02; (IPC1-7): B23B3/16; B23Q11/00

Foreign References:

JPH0739069B2	1995-05-01
JPH0319747A	1991-01-28
JPH02284847A	1990-11-22
JPH03136745A	1991-06-11
JPH0596449A	1993-04-20

Other References: