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Double-sided gear rack, module 1, 100 mm, pitch lines 12 mm apart

What is a double-sided rack? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: double rack, two sided rack, double sided gear rack, cremallera de doble dentado, Doppelzahnstange

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

length
100.0 mm
width
14.0 mm
height
8.0 mm

Notes

  • 100 × 8 bar with full-depth module 1 teeth (ISO 53, 20°) on both edges, tooth centres in line at x = kπ, pitch lines 12 mm apart (roots 9.5 apart); two Ø3.4 holes. Two gears of any equal size, one each side, drive it straight with the same force on both edges.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Double-sided gear rack, module 1, 100 mm, pitch lines 12 mm apart size chart

dimensionvalue
module1
length100 mm
pitch linesy = ±6
width8 mm
holes2 × Ø3.4 at x = ±40

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. 115: 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

double-sided-rack-m1-100rack, pitch lines y = ±6, a tooth centred at x = 0 on both edges, z 0..8STEP · 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=double-sided-rack-m1-100-pitch-12

Double-sided gear rack, module 1, 100 mm, pitch lines 12 mm apart, isometric render of a generated part
Render of double-sided-rack-m1-100 from the free STEP; not to scale.

Fits with

Double-sided rack between two equal gears, isometric render of a generated part
Double-sided rack between two equal gears4 sizes★ 1 file

Questions

What is a double-sided rack?

100 × 8 bar with full-depth module 1 teeth (ISO 53, 20°) on both edges, tooth centres in line at x = kπ, pitch lines 12 mm apart (roots 9.5 apart); two Ø3.4 holes. Two gears of any equal size, one each side, drive it straight with the same force on both edges.