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A stiffness design method for double-track six-slider rolling guide pair

A rolling guide and stiffness design technology, applied in metal processing equipment, metal processing mechanical parts, manufacturing tools, etc., can solve the problems of low efficiency, increase the use cost of rolling guide pairs, and repeat the process, and achieve accurate design and convenient design method. , the effect of facilitating promotion

Active Publication Date: 2022-02-08
TSINGHUA UNIV
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  • Abstract
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Problems solved by technology

[0003] The stiffness design of the traditional rolling guide pair is mainly done by engineers based on experience. The process is repeated and the efficiency is low. The use cost of the rolling guide pair, and the empirical method cannot be effectively promoted

Method used

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  • A stiffness design method for double-track six-slider rolling guide pair
  • A stiffness design method for double-track six-slider rolling guide pair
  • A stiffness design method for double-track six-slider rolling guide pair

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Embodiment Construction

[0023] The stiffness design method for double-track six-slider rolling guide pair proposed by the present invention, its flow chart is as follows figure 1 shown, including the following steps:

[0024] (1) Calculate the load moment of the rolling guide pair as follows:

[0025]

[0026] In the formula, M X , M Y and M Z are the load moment of the rolling guide rail in the direction of OX, OY and OZ in the Cartesian coordinate system O-XYZ, O is the origin of the coordinate system, F xk , F yk and F zk are respectively the kth force along the OX, OY and OZ directions that the rolling guide pair is subjected to, and the values ​​of k are positive integers 1, 2, ..., x yk and z yk F respectively yk Coordinates along OX and OZ directions, x zk and y zk F respectively zk Coordinates along OX and OY directions, y xk and z xk F respectively xk Coordinates along the OY and OZ directions;

[0027] (2) Using the following formula, calculate the normal load force and la...

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Abstract

The invention discloses a stiffness design method for a double-track six-slider rolling guide rail pair, which belongs to the technical field of machine tools. The method of the invention firstly calculates the load moment of the rolling guide rail pair; further deduces the normal load force and lateral load force of each slider; calculates the deformation amount of the supporting end of the rolling guide rail pair; The stiffness design of the slider rolling guide pair. The method of the invention fully considers the system load and the deformation constraints of the support end, overcomes the problems of relying on experience, low efficiency, and inaccuracy in the traditional method, and realizes the rapid and accurate design of the stiffness of the double-track six-slider rolling guide pair, which is a field engineering technology Provides an accurate and convenient design method. Moreover, the method of the invention has the advantages of streamlining and standardization, and is convenient for rapid popularization in practical engineering applications.

Description

technical field [0001] The invention belongs to the technical field of machine tools, and in particular relates to a stiffness design method for a double-track six-slider rolling guide pair. Background technique [0002] The rolling guide pair is used to support the worktable to complete high-precision linear motion. It is an important basic functional part in the field of CNC machine tools, and each guide rail of the double-track six-slider rolling guide pair has three sliders evenly distributed on each guide rail. A widely used type of rolling guide pair. Stiffness is the core parameter of the rolling guide pair. In the process of using the rolling guide pair, it is necessary to design the stiffness reasonably to meet the performance requirements at a lower cost. In practical engineering applications, how to design a reasonable stiffness for the double-track six-slider rolling guideway pair has become a key issue that needs to be solved urgently. [0003] The stiffness d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q1/01
CPCB23Q1/017
Inventor 王冬王立平李学崑张云
Owner TSINGHUA UNIV
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