# Grooved friction wheel, pitch Ø60, 4 mm V-grooves × 16 wide

> What is a grooved friction wheel?

- Category: Hardware › Mechanism parts
- Kind: Modern device
- Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
- Page: https://xemstudio.com/objects/grooved-friction-wheel-60/ · JSON: https://xemstudio.com/api/geometry?object=grooved-friction-wheel-60 · Plain text: https://xemstudio.com/objects/grooved-friction-wheel-60/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 63.0 | 63.0 | 16.0 |

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

## Notes

- Friction wheel with circumferential V-ridges and grooves (±1.5 mm about a Ø60 pitch line, 4 mm pitch, 67.38° included), 16 mm wide, Ø8 bore (grooves at z = 0, 4, 8, 12, 16): wedged into its mate, the grooves raise the grip of a plain friction wheel about 1/sin(half-angle) times.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| pitch Ø | 60 mm |
| groove pitch | 4 mm |
| depth | ±1.5 mm |
| included angle | 67.38° |
| width | 16 mm |
| bore | Ø8 |

## Where the files are

- Henry T. Brown (1868, public domain): [Five Hundred and Seven Mechanical Movements — scan on archive.org](https://archive.org/details/fivehundredseven00browiala) — web — Publisher's page; dimensions are facts
- 507movements.com: [Brown's movement No. 45: figure, his text and an animation](https://507movements.com/mm_045.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/grooved-friction-wheels-mechanism/) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/grooved-friction-wheel-60/index.json

- grooved-friction-wheel-60: [STEP](https://xemstudio.com/files/hardware/grooved-friction-wheel-60/grooved-friction-wheel-60.step) · [STL](https://xemstudio.com/files/hardware/grooved-friction-wheel-60/grooved-friction-wheel-60.stl) — wheel, axis Z, z 0..16

## Questions

**What is a grooved friction wheel?**

Friction wheel with circumferential V-ridges and grooves (±1.5 mm about a Ø60 pitch line, 4 mm pitch, 67.38° included), 16 mm wide, Ø8 bore (grooves at z = 0, 4, 8, 12, 16): wedged into its mate, the grooves raise the grip of a plain friction wheel about 1/sin(half-angle) times.

## Fits with

- [Grooved (wedge) friction gearing, 30 : 60](https://xemstudio.com/objects/grooved-friction-wheels-mechanism/)