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Helical hole-milling device and method based on numerical control machine

A CNC machine tool and helical milling technology, which is applied in the direction of driving device, feeding device, milling machine equipment, etc., can solve the problems of residual error and affecting the precision of hole making, and achieve the increase of adjustable range, improve the precision of hole making, and facilitate automatic lock effect

Inactive Publication Date: 2012-07-25
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

Due to the interpolation operation, it is inevitable that there will be residual errors, which will affect the accuracy of hole making

Method used

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  • Helical hole-milling device and method based on numerical control machine
  • Helical hole-milling device and method based on numerical control machine
  • Helical hole-milling device and method based on numerical control machine

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Embodiment Construction

[0019] The present invention is a helical milling hole method and device based on a numerically controlled machine tool. The device is mainly installed on a numerically controlled machine tool by using a processed knife handle, and the rotation of the main shaft of the numerically controlled machine tool is used for the revolution in the helically milled hole, and The feed is provided by the CNC machine tool, and the device itself provides the rotation of the tool and the adjustment of the offset. In this way, when the machine tool spindle rotates at a slow speed, the machining tool will revolve around the axis of the machine tool spindle, and cooperate with the feed of the machine tool spindle to finally realize a The tool can perform helical milling operations on various hole diameters. The specific implementations of the method and device of the present invention will be described in detail below.

[0020] figure 1 The invention discloses a helical milling method and devic...

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Abstract

The invention discloses a helical hole-milling device and method based on a numerical control machine and belongs to the technical field of helical hole-milling processing. The device is based on a helical milling principle and the helical hole-milling is realized through the coordination of a processed knife handle and the numerical control machine, wherein the needed revolution and feed motionsfor hole-making is provided by the numerical control machine, the spin is provided by a pneumatic main shaft and the offset is regulated by a worm gear. The device comprises a pneumatic main shaft fixing mechanism, the pneumatic main shaft and an air feed mechanism thereof and a radial offset mechanism. The device provided by the invention has the advantages of simple structure, convenience and fastness in offset adjustment, reliable performance, high processing precision and wide application range, simplified numerical control programming and obviously improved processing efficiency.

Description

technical field [0001] The invention relates to a helical milling hole device and method based on a numerically controlled machine tool, and belongs to the technical field of helical milling hole processing. Background technique [0002] CNC machine tools are the mainstream equipment in the modern machine manufacturing industry and are regarded as the foundation of a country's national economic development. CNC machine tools and flexible manufacturing systems composed of CNC machine tools are an important basis for transforming the traditional machining equipment industry and building digital enterprises. Its development has always attracted people's attention. CNC machine tools have attracted worldwide attention for their excellent flexible automation performance, excellent and stable precision, and flexible and diverse functions. It created a precedent for the development of mechanical products towards mechatronics, so numerical control technology has become a core techno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C3/00B23Q5/04B23Q5/32
Inventor 李亮何宁秦晓杰单以才杨吟飞陈建立
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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