Machine tool with swiveling table

A worktable and corner technology, applied in the field of machine tools, can solve problems such as deflection and deformation of corner worktables, and achieve reliable and good operability
CN105081791AActive Publication Date: 2015-11-25JTEKT CORP
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
JTEKT CORP
Publication Date
2015-11-25

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Abstract

A machine tool that enables a reduction in the amount of deflection of a swiveling table is provided. A machine tool includes a base, a swiveling table that is shaped to be elongate and that swivels while sliding on an upper surface of the base, and an actuator attached to a longitudinal first end of the swiveling table to move a position of the first end of the swiveling table with respect to the base, thereby adjusting a swiveling angle of the swiveling table with respect to the base. The rigidity of the swiveling table against a bending force that bends the swiveling table in a deformed manner in a swiveling plane is set to increase from the longitudinal first end of the swiveling table toward the swiveling center.
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Description

technical field

[0001] The present invention relates to a machine tool provided with a corner table. Background technique

[0002] The machine tools described in Japanese Patent Laying-Open No. 11-77493 and Japanese Patent Laid-Open No. 7-195266 are provided with a cornering operation that slides and rotates on the upper surface of the base in order to perform taper processing or taper correction for forming a tapered portion on a workpiece. tower. The rotation angle of the corner table relative to the base can be adjusted by moving the position of the first end of the corner table relative to the base using an actuator provided at the first end in the longitudinal direction of the corner table.

[0003] However, since the length from the vicinity of the rotation center of the elongated corner table to the driving position of the actuator is long, the corner table bends and deforms. Therefore, it is desirable to reduce the amount of deflection of the corner table. Conten...

Claims

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