Numerical control device

A technology of numerical control device and control part, which is applied in the direction of automatic control device, positioning device, feeding device, etc., can solve the problem of fatigue damage of components

Active Publication Date: 2014-08-27
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The accumulation of loads may lead to fatigue damage of components

Method used

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  • Numerical control device
  • Numerical control device
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Embodiment Construction

[0021] One embodiment of the present invention will be described with reference to the drawings. figure 1 Left obliquely lower, right obliquely upper, right, and left are the front, rear, right, and left of the machine tool 1, respectively. The left-right direction, front-rear direction, and up-down direction of the machine tool 1 are the X-axis direction, the Y-axis direction, and the Z-axis direction of the machine tool 1 , respectively.

[0022] Next, the structure of the machine tool 1 will be described. Such as figure 1 As shown, the machine tool 1 includes a base 2, a machine tool body 3, a workbench 10, an ATC 20 and the like. The base 2 is a substantially cuboid base made of iron. The base 2 is provided with a machine tool main body 3 at the rear of its upper part, and a workbench 10 is provided at the center of its upper part. The machine tool body 3 cuts a workpiece (not shown) held on the upper surface of the table 10 . X-axis motor 53, Y-axis motor 54 (refer t...

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Abstract

The invention relates to a numerical control device capable of reducing noises generated in tool replacement motions and machine tool load generated in tool replacement motions; in a rising stroke of the tool replacing motion, the numerical control device can reduce a mobile speed of a main shaft head after the main shaft head rises in a maximum speed; when a plate cam body abuts against a cam driven piece, the mobile speed is lowered; the numerical control device switches the mobile speed of the main shaft head into the maximum speed; in a decreasing stroke, the numerical control device can reduce the mobile speed of the main shaft head after the main shaft head decreases in the highest speed, so when a tool keeping device is arranged on the main shaft, the mobile speed is lowered; the numerical control device then switch the mobile speed of the main shaft to the maximum speed; therefore, the numerical control device can shorten a tool replacing time, reduces noises generated in tool replacement motions and machine tool load generated in tool replacement motions.

Description

technical field [0001] The invention relates to a numerical control device. Background technique [0002] The CNC device controls the movement of the machine tool. The machine tool includes a spindle head, a spindle, and an automatic tool changer (hereinafter referred to as ATC). The main shaft head is provided so as to be able to ascend and descend along a column erected on the base portion, and supports the main shaft so as to be rotatable. The spindle head has a tool holding mechanism inside it. The tool holding mechanism holds the tool attached to the spindle. An ATC with a tool library is disclosed in Japanese Patent Laid-Open Publication No. 206227 of 2012. The disk-shaped tool magazine is fixed on the frame provided on the column and arranged on the front side of the spindle head. The tool storehouse is provided with a plurality of holding arms on its periphery, and the tool storehouse can be rotated. The grip arm has a grip portion at its front end. The holdin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q15/00B23Q15/20B23Q3/155
CPCB23Q3/157
Inventor 渡边正辉
Owner BROTHER KOGYO KK
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