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Machine tool

A technology of machine tools and spindles, applied in the field of machine tools, can solve problems such as undercutting of workpieces that cannot be machined with tools, and achieve a high degree of synthesis

Inactive Publication Date: 2019-10-11
MAKINO MILLING MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] In the machine tool of Patent Document 1, there is the following problem: since the spindle head can only be positioned at three positions at intervals of 120° around the inclination axis b, the spindle can only be indexed in two horizontal directions and the vertical direction The three directions perpendicular to each other cannot be used to process the undercut of the workpiece with the tool protruding upward from the bottom of the workpiece

Method used

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Embodiment Construction

[0027] for the manner in which the invention is carried out

[0028] Next, preferred embodiments of the present invention will be described with reference to the drawings.

[0029] refer to Figure 1~3 , the machine tool 100 of the preferred embodiment of the present invention constitutes a 5-axis machining center controlled by an NC device (not shown), and is equipped with a bed 102 installed on the floor of a factory; The upper part of the front part of the bed can move in the front-back direction or the Z-axis direction, and the workbench 122 of the pallet P that fixes the workpiece (not shown) can be detachably installed; A column 104 that moves in the left-right direction or the X-axis direction; the spindle head base 112 that is movable in the vertical direction or the Y-axis direction in the front of the column 104; is installed on the spindle head base 112 to support the spindle 152 into a rotatable spindle head 120.

[0030] The table 122 is configured to reciproca...

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Abstract

A machine tool (100) has a main shaft (152) having a tool (T) mounted on the tip thereof; a main shaft head (120) that rotatably supports the main shaft; orthogonal triaxial linear feed shafts that move the main shaft and a table (122), on which a workpiece is mounted, relative to one another; and a rotational feed shaft that is capable of changing the orientation of the rotational axis (O) of themain shaft. The machine tool (100) is provided with: a rotational feed shaft device (118) that is not parallel to any of the linear feed shafts and that rotates the main shaft head around an inclinedaxis (OI) that intersects the rotational axis of the main shaft; and a main shaft head base (112) that rotatably supports the main shaft head so that the point of intersection between the rotationalaxis and the inclined axis of the main shaft coincides with a defined reference point (PR) at the tip side of the main shaft.

Description

technical field [0001] The present invention relates to a machine tool that rotates and feeds a spindle head around an inclined axis that is not parallel to any of linear feed axes that are perpendicular to three axes. Background technique [0002] In the field of machine tools, there is a multi-axis control machine tool that has a main shaft on which a tool is mounted on the front end; a main shaft head that supports the main shaft to rotate around a rotation axis; The linear feed axis that moves in the orthogonal three-axis direction; and the rotary feed axis that can change the direction of the rotation axis of the above-mentioned spindle, after fixing the workpiece on the table, the workpiece can be processed without removing it from the table. Various processing. [0003] Patent Document 1 discloses a machine tool capable of indexing the direction of the spindle into three mutually orthogonal directions, and having a spindle head capable of positioning the spindle in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/48
CPCB23Q1/54B23Q1/621B23C1/12B23Q1/5406B23Q5/045B23Q2220/006
Inventor 佐野裕儿
Owner MAKINO MILLING MASCH CO LTD
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