Assumptions:
- Will be used by a competent adult
- Can adapt to all commercially available fret wires
- One groove profile will work with all wires
- Used indoors, not subject to moisture
- Will be held in a bench vise
Constraints:
- Robust, Commercial quality
- Bearings are skate wheel variety
- #608
- Using 2 x 1 aluminum bar is optimal
- Mounts in a bench vise
Current Design Questions
How to attach drive wheel to shaft- Woodruff Key (#404)
- Snap Ring
- How to attach handle to shaft
- Crank Handle?
- How to keep shaft from sliding in and out of chassis
- Drill Rod
- Channel & Slot versions
- How to keep shaft supported and adjustable
- Snap ring on one end
- Other end?
- How to attach threaded bar to the support guide
- See vise arrangement
How to mount bearings- Low profile shoulder screw
- Are tires of some kind (metal or other) required on bearings
- Where to mount bearings
Size of drive wheel- 2.0 or a little less (.030 less)
- Can a fret gauge be added?
- Other features
- Straightening Option? Example
- See alternate front mount handle Example
Right-click and “Open in a new tab”
Below is an alternate arrangement not discussed in class. This version uses two .5 inch drill rods as slides.
Purchase Order
- Bushing 6389k117 (qty?)