Fine Boring Units
Sigma’s Range of Fine Boring Unit
Metal cutting and finishing jobs in manufacturing need the right tools for flawless execution. Sigma Toolings offers a wide-range of standard tooling’s to perform these tasks to perfection. Our range of standard tooling’s includes boring bars, inserts, cutters, cartridges, and tool holders.
Fine Boring Units Provides
- Least count +/- 0.001 mm radially.
- Repeatability +/- 0.002 mm.
- Preloaded sturdy and zero backlash assembly.
- Easy adjustment from top.
- No locking / unlocking of any other screw.
- Very economical and extra stock availability.
- Precision adjustment in microns in order to achieve closer tolerances. (Finish Boring)
- Clear indication on top of unit to adjust the size of boring bar in the machine itself.
Range of Fine Boring Units
Spares List of Fine Boring Units
Mounting Dimensions For Sigma-Fine Boring Units
Handling Instructions
- Set desired diameter on tool pre-setter or with the help of dial outside machine using spanner.
- Load tool in spindle.
- Check that you are getting desired size.
- If not follow below instructions.
- Find line on the vernier scale that exactly matches with the main scale.
- To increases the diameter by 0.02mm, rotate the spanner clockwise and match the line with next adjacent line.
- Now to increase diameter again by 0.002mm, rotate the spanner slightly until it matches with the very next adjacent line.
- Maximum adjustment can be checked by using spanner end.
- Do not exceed the given adjustment limit to avoid damages.
