Ball Plunger Switch Achieves φ4, the World’s Smallest Size.
Metrol developed “...
Metrol developed “Ball Plunger Switch [BP4S]”, the newest addition to BP series.
Ball Plunger Switch plays 2 roles in 1, with a precision position switch built into a ball plunger. This new product achieved φ4mm, while conventional BP was M6.
The development of BP4S started in 2013.
The first step was a hand-drawn blueprint by Engineer H from the production department. Facing problems in assembling and in durability, he realizes φ4 Ball plunger through trial and error.
Published by METROL CO.,LTD. on Dec 16, 2015
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