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Part 1 of a 3 part series on making 2 different custom calipers from Mitutoyo absolute calipers. Design, disassembly, modifying the caliper frames,making small OD laps, lapping carbide pins, and cutting carbide pins to length will be covered in this video
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Great synopsis of the video by brs_workshop
"Shop Notes"*
• Overview of topics covered in each video.
• Just a note on the 'make one for you, one for me': This is quite common in small production industries. More often than not the customer's expense is mostly in time and skill of the maker. Most of the maker's time is in setup and process design. Swapping out an extra set of parts is trivial compared to revisiting. This also adds some insurance if there's a surprise re-order or if world chooses to make your life difficult that week (lost packages, theft, disasters).
• Review of the customer sketch. Note that the customer knows technical drawing conventions (sectioning) which can make even a very simple drawing sufficient to build from.
• Looking at a CAD drawing of the modifications and fabricated parts
• Shows how to disassemble a digital caliper neatly
• Calipers used: Mitutoyo 500-196-30 (Be aware that there are counterfeits sold online, buy from a reputable source)
McMasterCarr: www.mcmaster.c...
KBC Tool: www.kbctools.co...
• Trimming the calipers with a cutoff disc on the surface grinder.
• Creating the grooves for the head assembly
• Making simple O.D. laps with parallel clamp adjuster
• Lapping a carbide drill blank to size and finish
• Paper lap trick
• Trimming pins and a well thought-out 'quick-and-dirty' fixture
*Not affiliated with any manufacturer or distributor. Links just for convenience.