Development of Automatic Servo Tuning Function in Rotary Axis with DDM for Machine Tools and its Performance for Stable Machining

Takakazu Ikegami; Toshiki Hirogaki; Eiichhi Aoyama

doi:10.4028/www.scientific.net/MSF.874.511

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Spin Turning of Hardened Steel Using a Rod Tool Made of Cemented Carbide and On-Machine Forming of Rod Tool
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Development of Automatic Servo Tuning Function in Rotary Axis with DDM for Machine Tools and its Performance for Stable Machining
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Estimation of Machining Error Caused by Deflection of Tool Using Cutting Force in Ball End Milling of Inclined Surface
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HomeMaterials Science ForumMaterials Science Forum Vol. 874Development of Automatic Servo Tuning Function in...

Development of Automatic Servo Tuning Function in Rotary Axis with DDM for Machine Tools and its Performance for Stable Machining

Abstract:

To advance technology of 5-axis control machining centers and future machine tools, it is essential to improve not only the performance of linear axes but also that of rotary axes. Therefore, direct drive motors (DDMs) employed for rotary axes of machine tools was developed by using the quality engineering and the FEM analysis of the electro-magnetic field. In this paper, the improvement impact on the performance of rotary axes from DDMs is described, and the influence of a workpiece position on the machine tool table on the kinematic performance is evaluated. Moreover, a novel method for tuning servo parameters automatically is proposed in order to improve the kinematic performance of a table axis with a workpiece which employs the DDM.

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Periodical:

Materials Science Forum (Volume 874)

Pages:

511-516

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.874.511

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Online since:

October 2016

Authors:

Takakazu Ikegami*, Toshiki Hirogaki, Eiichhi Aoyama

Keywords:

Direct Drive Motor, Linear Axis, Machine Tools, Rotary Axis, Servo Tuning

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