Development of Shrinking Tool Holder Utilizing of Shape Memory Alloy

Koichi Kitajima; H. Sogabe; M. Hiromi

doi:10.4028/www.scientific.net/KEM.291-292.525

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A New Architecture of Tool Path Generation for Five-Axis Control Machining
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The Effect of Secondary Piezoelectric Effect on the Measuring Precision of Quartz Dynamometers
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Development of Shrinking Tool Holder Utilizing of Shape Memory Alloy
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Microstructure of Ni-Al-Diamond Composite Fabricated by Self-Propagating High Temperature Synthesis
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Electroforming of Copper/ZrB₂ Composites Coatings and Its Performance as Electro-Discharge Machining Electrodes
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Performance of an Electrically Conductive CVD Diamond Electrode for EDM and FEM Analysis for a Very Low Wear
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 291-292Development of Shrinking Tool Holder Utilizing of...

Development of Shrinking Tool Holder Utilizing of Shape Memory Alloy

Abstract:

This paper investigates how to use shape memory alloy (SMA, Ni-Ti alloy) as a method of chucking parts. It is because tool holder can be simplified and miniaturized. SMA cannot be utilized as chucking tool because it is one-way direction, but it is possible to shrink and release a tool by changing temperature in case SMA is made of combing cylinder with alloy tool steel (SKD61 in JIS). In this report, prototype shrinking tool holder that used combing cylinder with SMA was developed and tried milling processes. As a result, it is clear that combing cylinder with SMA can endure cutting force.

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Periodical:

Key Engineering Materials (Volumes 291-292)

Pages:

525-530

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.291-292.525

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Online since:

August 2005

Authors:

Koichi Kitajima, H. Sogabe, M. Hiromi

Keywords:

Combing Cylinder, Cutting Force, Shape Memory Alloy Actuator, Shrinking Tool Holder, Surface Roughness (SR)

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References

[1] T. W. Duerig etal：Engineering Aspects of Shape Memory Alloys, Butterworth- Heinemann. (1990).

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[2] Yuichi. Suzuki: Story of shape memory alloy, Daily industrial newspaper. (1988) 23. (in Japanese).

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[1] [2] [3] [4] SM A tool holder S hrink fit Corret chuckSruface roughness Rz　μ.

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[20] [40] [60] [80] 100 120 140 0102030 Time　ms Cutting force.

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[20] [40] [60] [80] 100 120 140 0102030 Time　ms Cutting force (a) SMA tool holder Figure 12 Comparison of cutting force waveform Figure 13 Comparison of surface roughness (b) Shrink fit.

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[20] [40] [60] [80] 100 120 140 0102030 Time　ms Cutting force　 (c)Corret chuck.

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