Micrometer (outer - buiten)

This equipment is safety category 6: Other equipment with no limits.

This equipment is Noise Category 3: Can be used at all hours. No limits.

Handle with care.
This is a precision tool with exact dimensions and straightness.
That means: handle it gently, don't hammer on it or use it as a crowbar and so on.
(if you need a crowbar - these are wonderful for that!)

It is very important that if you accidentally drop it or think it may be out of line

• either mark the tool very clearly...
• or report this to the mailing list...

...so that your fellow makers do not ruin their work.

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We have several micrometers indicators in the metal woodshop. Consult youtube for countless videos on how to use them. Or ask someone to show you.

At the very least: Be very gentle with these. They are fragile and not cheap. If anything - never over-tighten; use the outermost 'clicking'/torque limiter to apply exactly the right, repeatable pressure.

See https://www.youtube.com/watch?v=2-cm_ocn9p4 -- and note the use of the ratched at 1:26.

This movie: https://www.youtube.com/watch?v=XQT6RSNN9sA is a bit longer - and also nicely explains the vernier & calibration concepts.

Wooden box micrometer

Micrometer, wooden box

Try to be extra, extra, gentle with this one; and if you do not need insane accuracy; use the one from the gray box.

Location

Blue cabinet in the metal work shop

History

• Bought early 2019; owned by the space.
• The wooden boxed one was donated to the space in November 2020.