A study on multi DOF magnetic scale for motion control compensation of machine tool

Toru Fujimori, Shigeaki Maruyama, Kazuo Yamazaki, Tojiro Aoyama

Research output: Contribution to journalArticle

Abstract

Following to the previous paper reporting the motion control compensation for machine tool by 2 dimensional scale system, we hereby propose the Magnetic principle special scale for motion control compensation of machine tool. The authors investigated the compensation of the collateral movement orthogonal to the principle direction, which will affect the accuracy of the machine, by adding the orthogonal, 2-directional, short range measurement. The authors expected the improvement of compensation accuracy by continuously monitoring the relative motions between the movement of the bed and machine components with respect to the principle direction as well as to the direction of collateral movement, because the monitoring prompts re-acquisition of compensation data when the deviation from the initial compensation data becomes significant, enabling additional compensation for the dynamic motion error caused by cutting force etc. Firstly, this paper estimates the amount of motion error due to cutting force, the weight and acceleration force of the bed, using middle sized machine tool model. Then the paper presents the approximate required performance of the multi DOF scale. Finally, the paper reports the basic and elemental performance of magnetic multi DOF scales for motion error compensation, by prototyping the rotary scales.

Original languageEnglish
Pages (from-to)3993-4001
Number of pages9
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume79
Issue number806
DOIs
Publication statusPublished - 2013

Fingerprint

Magnetic scales
Motion control
Machine tools
Error compensation
Machine components
Monitoring
Compensation and Redress

Keywords

  • Accuracy
  • Machine tool
  • Magnetic scale
  • Motion control compensation
  • Stiffness

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Industrial and Manufacturing Engineering

Cite this

A study on multi DOF magnetic scale for motion control compensation of machine tool. / Fujimori, Toru; Maruyama, Shigeaki; Yamazaki, Kazuo; Aoyama, Tojiro.

In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 79, No. 806, 2013, p. 3993-4001.

Research output: Contribution to journalArticle

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