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#182 Production Technology Level-up Course for Machine Designers - 18: Vibrations and Low Cost Automation

Category : Production Technology
May23, 2014

In relation to higher value adding trends in Japan's manufacturing fields, the importance of vibration problems are on the increase. Since increased speeds and higher precision in devices that have masses are physical phenomena in contradictory relationship, high levels of control technology and vibration isolation technology must be utilized. Hereafter, vibration problems on automation and countermeasures will be explained.

1) Problems of vibrations and manufacturing field

In manufacturing fields, quality, costs, and vibration problems are in strong direct and indirect relationships.

Examples:
(1) If vibration reduction measures are not applied, accurate positioning and print quality stabilization will not be possible.
(2) Production cycle time needs to be shortened, but vibrations will increase.
(3)The defect rates are different due to the vibration differences during the day and night.
(4) When trucks pass on the road outside, vibration transmissions cause uneven resist printing.

Therefore, for the designs of production equipment with higher added value, appropriate vibration countermeasures will need to be implemented at the initial phase of the designing.

Applying anti-vibration measures on equipment and factories that are already built often produces smaller results than the efforts applied. The principle is "Proper anti-vibration measures begin at the start".

2) About anti-vibration mounts

Anti-vibration mounts ([Photo 1]) are used to reduce vibrations on machines such as component insertion machines and press-fit machines, or in isolating external vibrations to the machines.

[Photo 2] is a frequency based evaluation of an anti-vibration mount. MISUMI anti-vibration mounts can be utilized for effective vibration countermeasure.

[Photo 1] Representative anti-vibration mounts

[Photo 2] Evaluation of vibration damping characteristics of a anti-vibration mount

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