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Numerical control milling machine spindle box structure

A technology of CNC milling machine and spindle box, which is applied in the field of CNC machine tools, can solve problems such as insufficient stiffness, and achieve the effects of improving tool chatter, enhancing stiffness, and avoiding positioning errors.

Active Publication Date: 2018-09-14
TSINGHUA UNIV
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Problems solved by technology

[0005] In view of the above problems, the purpose of the present invention is to provide a CNC milling machine spindle box structure to solve the problem of insufficient rigidity caused by the cantilever structure of the spindle box, so that the CNC machine tool does not undergo strong vibration and large deformation during use, and improves the rigidity of the workpiece. Machining accuracy and stability of machining quality of heavy-duty machine tools

Method used

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  • Numerical control milling machine spindle box structure
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  • Numerical control milling machine spindle box structure

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Embodiment Construction

[0026] Embodiments of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art would recognize that the described embodiments can be modified in various ways or combinations thereof without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Also, in this specification, the drawings are not drawn to scale, and like reference numerals denote like parts.

[0027] Combine below Figure 1-Figure 4 The present invention will be described in detail.

[0028] In the AB-type five-axis CNC milling machine, the worktable set on the bed can rotate around the X-axis, which is defined as the A-axis; the electric spindle box set on the column 6 can rotate around the Y-axis, which is defined as the B-axis , where the B-axis is connected to the electric spindle at the end of the CNC milling machine, and the main...

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Abstract

The invention discloses a numerical control milling machine spindle box structure. The numerical control milling machine spindle box structure comprises a first box body, a second box body, a guide rail and a sliding block; the rear end face of the first box body is arranged on a stand column, the guide rail and the second box body are arranged on the front end face of the first box body, one endof the sliding block is fixed to the second box body, the other end of the sliding block is connected with the guide rail, and the sliding block slides along the guide rail along with rotation of thesecond box body. Through connection of the guide rail and the sliding block, a spindle box has the higher overturning-prevention capacity, the whole structural rigidity of the spindle box can be improved, meanwhile, avoiding of a tool fluttering condition is assisted, the surface roughness and the waviness of blades are reduced, machine tool machining precision is improved, and the blade machiningquality is improved.

Description

technical field [0001] The invention relates to the technical field of numerical control machine tools, in particular to a spindle box structure of a numerical control milling machine. Background technique [0002] Modern processing requirements and advances in science and technology drive machine tools to develop in the direction of high speed, high precision, and high efficiency, which also represents the highest level and development direction of the current machine tool manufacturing industry. Therefore, the machine tool manufacturing industry is the foundation of a country's manufacturing industry, and the design and manufacturing level of the machine tool determines the quality and economy of the products produced by it. [0003] In a five-axis CNC milling machine, the table set on the bed can rotate around the X axis, which is defined as the A axis; the electric spindle box set on the column can rotate around the Y axis, which is defined as the B axis. Among them, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B19/00
Inventor 王立平葛姝翌李伟涛谷立恒佀昊
Owner TSINGHUA UNIV
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