Used VOUMARD 100 CNC Internal Grinder | FANUC 16i

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Product Highlight

Used VOUMARD 100 is a Swiss CNC internal grinding machine designed for high-precision bore grinding. Equipped with FANUC 16i control, dual internal grinding spindles rated up to 90,000 rpm and a Stotz scanning gauging system, it is suitable for precision automotive, fuel-injection, tooling, bearing, hydraulic and other small-component grinding applications. This unit offers manufacturers an economical way to obtain established VOUMARD internal grinding capability without the investment required for new equipment.

Product Description

Used VOUMARD 100 CNC internal grinding machine is a Swiss precision grinder configured for high-accuracy bore and internal diameter grinding. Equipped with a FANUC 16i CNC control, dual high-speed internal grinding spindles rated up to 90,000 rpm, and a Stotz scanning measuring system, this second-hand CNC ID grinder is well suited to demanding precision production.

The machine was previously used in a Bosch manufacturing facility in Germany for diesel fuel-injection component production. According to the supplied operating information, roundness performance can reach approximately 0.15 μm under suitable machining, dressing, tooling, calibration and environmental conditions.

For manufacturers that require micron-level internal grinding capability but want to reduce the capital cost of purchasing new equipment, the VOUMARD 100 offers an attractive route into established Swiss precision grinding technology.

VOUMARD is historically associated with high-precision internal grinding and is currently represented within the Kellenberger technology portfolio.

Technical Specifications

Specification	Details
Machine Type	Used CNC Internal Grinding Machine / CNC ID Grinder
Brand	VOUMARD
Model	100
Condition	Used / Second-Hand
Brand Origin	Switzerland
Previous Production Source	Bosch facility, Germany
CNC Control	FANUC 16i
Grinding Process	Precision Internal Diameter Grinding
X-Axis Travel	130 mm
Z-Axis Travel	130 mm
Internal Grinding Spindle	2 high-speed spindles
Max. Internal Grinding Spindle Speed	2 × 90,000 rpm
Workpiece Spindle Speed	1–2,000 rpm
Reported Roundness Capability	Up to approx. 0.15 μm*
Measuring System	Stotz scanning measurement system
Workholding	Diaphragm chuck
Automation	Rotary loading / transfer system
Additional Equipment	Central extraction system, handling equipment and associated accessories
Machine Length	1,910 mm
Machine Width	1,478 mm
Machine Height	2,060 mm
Machine Weight	Approx. 2,000 kg
Documentation	Available according to supplied equipment information

*The 0.15 μm value should be treated as a reported process capability rather than a guaranteed specification. Actual results depend on spindle condition, grinding wheel selection, dressing, workholding, temperature control, workpiece material and machine calibration.

The main dimensional and spindle specifications are also consistent with an independently indexed VOUMARD 100 listing showing 130 mm X/Z travel, 2 × 90,000 rpm internal grinding capability and approximately 2-ton machine weight.

Suitable Applications

The VOUMARD 100 is primarily suitable for precision internal cylindrical grinding, bore finishing and small high-accuracy component production. Typical applications can include:

Diesel and gasoline fuel-injection components, injector parts and precision valve components
Precision mold inserts, dies, bushings and guide components
Carbide and hardened-steel precision tooling
Bearing rings, sleeves and precision bores
Automotive hydraulic and transmission components
Medical instrument and precision mechanical components
Aerospace precision sleeves, bushings and small cylindrical components
Machine-tool spindle components
Hydraulic valve spools, valve bodies and pump components
Precision fixtures, collets and workholding components
Semiconductor and optical-equipment mechanical components where tight bore geometry is required

VOUMARD's current brand information similarly identifies automotive, aerospace, bearing, tooling and spindle manufacturing among its application areas.

FAQ

Can this VOUMARD 100 really achieve 0.15 μm roundness?

The supplied production information indicates roundness performance of approximately 0.15 μm under appropriate operating conditions. Because grinding accuracy depends on workpiece geometry, material, grinding wheel, dressing condition, temperature stability, fixturing and calibration, we recommend confirming the required tolerance with a sample grinding test before final acceptance.

Is this machine suitable for fuel injector and automotive precision parts?

Yes. The machine was previously associated with diesel fuel-injection component production, making it especially interesting for manufacturers of injector components, precision valve parts, small sleeves and other high-accuracy automotive components. VOUMARD also lists fuel-injection components among established applications for its grinding technology.

What are the main advantages of the FANUC 16i control and 90,000 rpm grinding spindles?

The FANUC 16i CNC system provides programmable control of the grinding process, while the high-speed internal grinding spindles are suitable for small-diameter bore grinding where high wheel speed is important. For buyers already operating FANUC-controlled equipment, the control platform may also be familiar to maintenance and production personnel.

Can I test the machine before purchasing it?

A serious buyer should request a power-on inspection, spindle running test, axis movement check, measuring-system verification and, where possible, a sample grinding test. For an ultra-precision used grinder, testing actual roundness and dimensional repeatability with a representative workpiece is more meaningful than relying only on nominal specifications.