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Neodymium block magnets: 30 × 10 × 4 mm

Name: Neodymium block magnets: 30 × 10 × 4 mm dimension sheet
Creator: Xem Studio
License: https://creativecommons.org/licenses/by/4.0/

What size is a 30 × 10 × 4 block magnet? · Hardware · basis: Nominal size as sold; magnetised through the 4 mm dimension

Used in Long Earth Society builds. Thermoacoustic engine spool (aluminum)

Exact dimensions. Every file is drawn at true size with no printing tolerance. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your printer's or process's clearance before making the part. Mating features

sizes: 1 in table

Notes

A rectangular neodymium block 30 × 10 × 4 mm, magnetised through its 4 mm thickness, a stock size. Drawn at the nominal size with square edges.
On the free-piston mover 48 of them sit on the 12 flats of the core in four rows, alternately N and S outward.

Sizes

length_mm	width_mm	thickness_mm	magnetised
30	10	4	through 4

Mating features

Drawn at the exact size. Open press, slide, run and socket features by your process's clearance; leave designed gaps and clamp fits as drawn.

feature	exact	mates with	fit	files
inner face	30 × 10	mover-core flat (bonded)	designed	all
outer face to sleeve	r 22.66 (corners r 23.2) under the Ø47.00 sleeve bore	mover sleeve (no contact)	designed	all