INDEX MS32C
Key Specifications
Max Spindle
Spindle Power
number of spindles
bar capacity
turning length
number of axes
Overview
The INDEX MS32C is a 6-spindle CNC multi-spindle automatic lathe built for bar stock up to 32 mm (1.26 in) diameter. Manufactured by INDEX-Werke in Esslingen, Germany, the MS32C sits in the mid-range of the INDEX multi-spindle lineup and covers the sweet spot for many high-volume production applications — large enough for substantial automotive shafts, hydraulic fittings, and medical implant bodies, yet small enough to maintain the fast cycle times that make multi-spindle production profitable.
The MS32C features 6 independently driven spindles with speeds up to 6,000 RPM and 10 kW per spindle — significantly more power than the smaller MS16C and MS22C variants. Each station accommodates up to 3 cross slides and 2 end-working units, and the Siemens 840D sl control manages up to 31 CNC axes simultaneously. The additional spindle power and 32 mm bar capacity open up applications in harder materials and larger part diameters that push smaller multi-spindle machines beyond their limits. Parts like automotive pinion shafts, large hydraulic fittings, and orthopedic implant bodies that require aggressive metal removal in stainless steel or titanium are right in the MS32C's wheelhouse.
Compared to competitors, the MS32C goes head-to-head with the DMG Mori (Gildemeister) GMC 35 ISM, which handles 35 mm bar stock. The INDEX machine is generally considered to have a more modern CNC architecture and easier programming, while the GMC 35 ISM has a slight edge in maximum bar capacity and raw rigidity. Both machines represent the top tier of CNC multi-spindle technology and are priced accordingly. New MS32C machines sell between $600,000 and $850,000 depending on configuration. Used units from 2012-2020 trade between $300,000 and $550,000.
Full Specifications
| Parameter | Value |
|---|---|
| Number Of Spindles | 6 |
| Bar Capacity | 32 mm (1.26 in) |
| Max Spindle Speed | 6,000 RPM per spindle |
| Turning Length | 100 mm (3.94 in) |
| Number Of Axes | Up to 31 CNC axes |
| Cross Slides Per Spindle | Up to 3 |
| End Working Units | Up to 2 per station |
| Back Working Spindle | Yes, with C-axis |
| Tool Positions | Up to 42 tool positions |
| CNC Control | Siemens 840D sl |
| Machine Weight | 9,500 kg (20,944 lb) |
| Floor Space Required | Approx. 4.2 x 2.4 m (13.8 x 7.9 ft) |
| Spindle Motor Power | 10 kW (13.4 hp) per spindle |
| Spindle Bore | 35 mm |
| Guest Name | Dietary Restriction |
| David | None |
| Bob | None |
| Nancy | None |
| Mary | Vegetarian |
| Formula | Formula Output |
| Index | 3 |
| Goal | Formula |
| Find Marys Dietary Restriction | =INDEX(A1:D6, MATCH("Mary", A1:A6, 0), MATCH("Dietary Restriction", A1:D1, 0)) |
| Find Who Is At Table Number 2 | =INDEX(A1:D6, MATCH(2, D1:D6, 0), MATCH("Guest Name", A1:D1, 0)) |
Specifications sourced from index-group.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 32 mm bar capacity covers the high-demand range for automotive shafts, hydraulic fittings, and medical implants that are too large for 16 mm or 22 mm multi-spindle machines
- 10 kW per spindle provides enough power for aggressive cutting in stainless steel, titanium, and alloy steels at production feed rates without bogging down
- Six independently driven spindles with up to 3 cross slides each handle complex part geometries complete in a single cycle, eliminating secondary operations
- INDEX VirtualLine offline programming with 3D simulation reduces setup risk and allows new programs to be proven while the machine runs production
- Turning length of 100 mm accommodates longer parts like shafts, studs, and fittings that shorter-range multi-spindles cannot handle
- Proven platform with decades of field service history provides reliability backed by INDEX's strong global service infrastructure
Limitations
- Setup times of 6-10 hours for a full changeover limit economic batch sizes to 10,000+ pieces — below that, single-spindle CNC lathes are more cost-effective
- At $600,000-$850,000 new, the investment requires sustained high-volume production with annual output typically exceeding 150,000 parts across setups
- Spindle speed of 6,000 RPM is lower than smaller multi-spindle machines — not ideal for very small diameter work in aluminum where higher speeds improve cycle times
- The machine's 9,500 kg weight and 4.2 x 2.4 m footprint require adequate floor loading capacity and a crane for installation
- Tooling costs per setup are substantial with 6 stations of cross slides and end-working units, making short-run production uneconomical
Best For
Frequently Asked Questions
01
Both are premium 6-spindle CNC multi-spindle automatics competing in the same market segment. The MS32C handles 32 mm bar stock versus 35 mm for the GMC 35 ISM. The INDEX machine is generally regarded as having more modern CNC architecture with easier programming through VirtualLine software. The GMC 35 ISM has a slight edge in raw rigidity and maximum bar capacity. Pricing is comparable at $600,000-$850,000 for the MS32C versus $650,000-$900,000 for the GMC 35 ISM. Both are excellent machines — choice often comes down to existing shop experience and service relationship.
02
The MS32C is most economical for annual production volumes exceeding 50,000 parts per setup. Setup times of 6-10 hours mean the machine needs to run long enough per setup to amortize changeover time. Typical profitable operation requires 70%+ machine utilization, which translates to 150,000+ total annual parts across all setups. Below 10,000 parts per batch, single-spindle CNC lathes or turning centers are usually more economical.
03
The MS32C handles all common bar stock materials including free-machining steels (12L14, 1215), alloy steels (4140, 4340), stainless steels (303, 304, 316, 17-4 PH), brass, aluminum, titanium (Grade 2, Grade 5), and engineering plastics. The 10 kW per spindle provides adequate power for aggressive cutting in difficult materials at the 32 mm bar capacity. High-pressure coolant is recommended for titanium and stainless steel applications.
04
Cycle times on the MS32C range from 4-15 seconds per part depending on complexity. Simple parts like pins and bushings cycle in 4-6 seconds (600-900 parts/hour). Medium complexity parts with threading and cross-drilling run 8-12 seconds (300-450 parts/hour). Complex parts with multiple milling operations and tight tolerances may run 12-15 seconds (240-300 parts/hour). The 6-spindle advantage means even a 12-second cycle produces 300 parts per hour — impossible for a single-spindle machine.
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