Radius gauge apparatus for vernier caliper
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Simple apparatus to help measure radius on 90° edges, with a vernier caliper. This size can measure between 4mm-20mm.…
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Simple apparatus to help measure radius on 90° edges, with a vernier caliper. This size can measure between 4mm-20mm.
I needed to measure the radius on various phones and tables, and found out there was no simple solution, so i modeled this, and printed it on reprappro mendel tricolor.
updated instructions (thanks to krosstoph for pointing it out)
How to use (see pictures)
- insert the depth measurement end of the caliper in to the slot. Zero your caliper at 9.89mm for convenience.
- Rest the object on the right angle edges.
- Push the depth measurement pin till it reaches your radius.
divide the measurement to 0.414mm then add 4mm to get the radius. (remember zero measurement means 4mm radius) alternative calculation:
zero the caliper at 8.24 (outer diagonal), then take the measurement.
- multiply by 2.414
Category: Tools