Xem Studiomeasured geometry

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Rack guide block 32 × 12 × 20 with an 11.5 × 8 through channel

What guides the stamp rod? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: rack guide, stamp guide, guía de cremallera, Zahnstangenführung

Exact dimensions. True size, with no printing tolerance added.

length
32.0 mm
width
12.0 mm
height
20.0 mm

Notes

  • 32 × 12 × 20 block with an 11.5 × 8 mm channel through it: the module 1 rack (8 wide) slides in it with its back line on line against the channel wall and its tooth tips 0.5 mm clear of the other; two Ø3.4 mounting holes.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Rack guide block 32 × 12 × 20 with an 11.5 × 8 through channel size chart

dimensionvalue
block32 × 12 × 20 mm
channel11.5 × 8 mm
holes2 × Ø3.4

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Henry T. Brown (1868, public domain)Five Hundred and Seven Mechanical Movements — scan on archive.orgwebPublisher's page; dimensions are facts
507movements.comBrown's movement No. 351: figure, his text and an animationwebPublisher's page; dimensions are facts
Xem StudiodrawingwebPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Xem Studio design: free to use, print and sell things from; not to be republished as files. Xem Studio Design License. index.json

rack-guide-block-32x12-ch11-5x8guide, z 0..20, channel along Y at x −1.5..10, z 6..14STEP · STL
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
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Plain text: sheet.txt · JSON: /api/geometry?object=rack-guide-block-32x12-ch11-5x8

Rack guide block 32 × 12 × 20 with an 11.5 × 8 through channel, isometric render of a generated part
Render of rack-guide-block-32x12-ch11-5x8 from the free STEP; not to scale.

Fits with

Stamp lifter: half-toothed pinion raising a rack and letting it fall, isometric render of a generated part
Stamp lifter: half-toothed pinion raising a rack and letting it fall4 sizes★ 1 file

Questions

What guides the stamp rod?

32 × 12 × 20 block with an 11.5 × 8 mm channel through it: the module 1 rack (8 wide) slides in it with its back line on line against the channel wall and its tooth tips 0.5 mm clear of the other; two Ø3.4 mounting holes.