13 : 26
13/26 · ANSI 35
Industrial ANSI 35 · 13/26
Stock-style: Type B hubs, keyed bores, two set screws each.
Sample · Industrial ISO 08B · 17/38, ISO 4156 splines
17/38 · ISO 08B, ISO 4156 splines
The European ½" chain on involute splined shafts, rings on both faces with no counterbore.
Build it with your AI
Using the CheapCAD Tools connector, design a two-sprocket drive in Sprocket Designer on ISO 08B roller chain, about 500 mm between centres. Sprocket 1: 17 teeth, a sprocket; an ISO 4156 involute spline bore: module 1, 22 teeth, 30° pressure angle; DIN 471 retaining rings on both faces, without a counterbore (the ring sits on the face); a hub on one side, 36 mm across and 25 mm long. Sprocket 2: 38 teeth, a sprocket; an ISO 4156 involute spline bore: module 1.25, 24 teeth, 30° pressure angle; DIN 471 retaining rings on both faces, without a counterbore (the ring sits on the face); a hub on one side, 46 mm across and 28 mm long. Check the design, apply any Auto-fix it suggests, then export both sprockets and both sample shafts as STL and give me the download link.
Paste it into Claude, ChatGPT or any AI app with the CheapCAD Tools connector, and it designs this drive with you, checks it and hands you the files. How to connect your AI.
What's in this design
Sprocket 1 · 17 teeth
- 17T · ISO 08B · sprocket · ISO 4156 spline m 1 × 22 teeth, 30° · DIN 471 rings on the top and bottom faces, standing proud, no counterbore · Type B hub Ø36 × 25
- 47 MPa peak · SF 6.56 in 1045 · rim moves 0.02 mm · 7.21 mm plate · 66 % solid
Sprocket 2 · 38 teeth
- 38T · ISO 08B · sprocket · ISO 4156 spline m 1.25 × 24 teeth, 30° · DIN 471 rings on the top and bottom faces, standing proud, no counterbore · Type B hub Ø46 × 28
- 33 MPa peak · SF 9.27 in 1045 · rim moves 0.02 mm · 7.21 mm plate · 83 % solid
The link opens both sprockets and the chain in the Sprocket Designer's 3D Mode, with the splined sample shafts and their retaining rings, which download with the drive (STEP, STL and drawings). Change the teeth, bore, hub or spokes, then download STL, STEP, DXF or SVG. Strength figures are the app's plane-stress check of each sprocket in the material it names; SF is the safety factor.
More samples
Related drives
15 : 45
15/45 · ANSI 40, ISO 14 splines
Industrial ANSI 40 · 15/45, ISO 14 splines
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17 : 34
17/34 · ANSI 50-2 duplex, ISO 4156 splines
Industrial ANSI 50-2 duplex · 17/34, ISO 4156 splines
Two rows of teeth for two-strand ⅝" chain, on involute splined shafts; each ring sits on the face over a splined washer, no counterbore.
19 : 57
19/57 · ANSI 60, ISO 14 splines
Industrial ANSI 60 · 19/57, ISO 14 splines
A 3 : 1 drive with a cast-style 57T wheel (a 22 mm deep rim, six 36 mm spokes) on straight-sided splined shafts, rings flush in counterbores on both faces.