Lathe Universal Runner
Bergeon 1766-31
Contains:
The universal runner is used for fitting clock and watch pivots, a skilled worker can fit pivots measuring as little as 0.15mm.
Two operations are generally used for this work:
Contains:
- Centring plate, with tapered holes from 0.15 to 1.40mm and 8 points from 0.15 to 0.50mm
- Double centring runner
- Centring run for countersinking
- Drillstock runner for Ø1mm drills
- Drillstock runner for Ø1.5mm drills
- Clamping key
The universal runner is used for fitting clock and watch pivots, a skilled worker can fit pivots measuring as little as 0.15mm.
Two operations are generally used for this work:
- 1. Choose a drill that fits easily into the selected hole of centring plate
- 2. Mark the centre with the centring runner, then drill with a bit that is smaller than the hole selected, in either case, lubricate generously
- The countersink stakes must be ground accurately on the centre with an Arkansas stone
