# INDEX MS40-6

Hardware · `MS40-6` · verification: source checked

The INDEX MS40-6 is a CNC multi-spindle automatic lathe for bar and chuck part machining. It has six motorized main spindles and two swiveling synchronous spindles for rear-end work, with slides on X, Y and Z axes. The machine uses an iXpanel i4.0 operating system with an 18.5-inch multi-touch screen and a Siemens S840D sl controller.

## Specification

| Property | Value |
|---|---|
| Category | cnc lathe |
| Weight | 7100 kg |
| Spindle max | 7000 rpm |
| Spindle power | 24 kW |
| Bar capacity | 40 mm |
| Screen size | 18.5 in |
| Spindle torque | 57 N·m |
| Spindles | 6 |

## Connected

- Manufacturer: [INDEX-TRAUB](https://machineschema.com/manufacturer/index-traub.md)

## Study notes

- Main spindle group in technical data: max. 6 spindles, 40 mm bar capacity, 7,000 rpm, 13/24 kW at 100%/25% duty, 31/57 Nm at 100%/25% duty.
- Synchronous spindle group in technical data: max. 2 spindles, 40 mm bar capacity, 8,000 rpm, 10/14 kW at 100%/40% duty, 16/22 Nm at 100%/40% duty.
- Technical data lists swiveling synchronous spindle Z travel 150 mm, 6 tools for backworking, and B swivel range 144 degrees.
- Technical data lists 'Number max. 12' together with slide travel X 73 mm, Y 42 mm and Z 120 mm; the design section separately describes 10 tool carriers with 1 or 2 axes and optional Y-axis.
- Technical data lists 'Number max. 2' together with slide travel X 82 mm and 6 tools for backworking.
- Connecting power is 65 kW.
- Controller is Siemens S840D sl; the operating system is iXpanel i4.0 ready with an 18.5-inch multi-touch screen.
- The swing arm is locked in machining position by a three-piece Hirth coupling; the swiveling synchronous spindle is hydraulically locked via a Hirth coupling.
- Each swiveling synchronous spindle can carry up to 6 tools, of which 2 are live.
- The machine is front-opening for bar machining; chuck part machining can use robot or linear handling units for loading and unloading.
- A dual 3-spindle configuration produces 2 workpieces simultaneously, with front-end machining on 4 main spindles and cutoff-side machining on 2 swiveling synchronous spindles.

## Sources

1. [INDEX MS40-6 multi-spindle machine](https://www.index-group.com/en/products/multi-spindle-machines/index-ms40-6) (accessed 2026-10-26)

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