# Makino UX3i

Hardware · `UX3i` · verification: source checked

The Makino UX3i is a wire electrical discharge machine in Makino's UXi series. It has a 630 mm by 460 mm worktable and X, Y, and Z travels of 370 mm, 270 mm, and 220 mm. The machine uses an HFG generator and supports wire diameters from 0.070 mm to 0.300 mm.

## Specification

| Property | Value |
|---|---|
| Category | cnc edm |
| Travel X | 370 mm |
| Travel Y | 270 mm |
| Travel Z | 220 mm |
| Table length | 630 mm |
| Table width | 460 mm |
| Table load | 600 kg |

## Connected

- Manufacturer: [Makino](https://machineschema.com/manufacturer/makino.md)

## Study notes

- U-axis and V-axis each have ±50 mm travel.
- Maximum workpiece size is 770 x 590 x 220 mm.
- Tank size is 790 mm x 611 mm.
- Available wire diameters are 0.070 mm, 0.100 mm, 0.150 mm, 0.200 mm, 0.250 mm, and 0.300 mm.
- The chiller maintains a constant temperature within ±0.1 °C.
- The HFG generator uses higher frequency and lower current to improve surface finish.
- The auto-wire-threading system uses an annealing process to straighten the wire.
- Jet-less threading allows threading interrupted or hollow parts and very small start holes.
- In a wire break, the operator can thread in the gap for specific applications.

## Sources

1. [High Precision Wire EDM](https://www.makino.com/en-us/machine-technology/machines/wire-edm/ux3i) (accessed 2026-10-25)

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