GMN spindle and motorized spindle repair
Brochexpress is an independent workshop specializing in the repair, maintenance and diagnostics of GMN spindles, motorized spindles and motorized milling heads.
GMN spindles and motorized spindles equip many machining centers, milling machines and production grinding machines operating under the highest precision demands. Drawing on our technical expertise, we support manufacturers across France and Europe in restoring their equipment and optimizing uptime. A properly maintained spindle is the guarantee of accurate, repeatable and productive machining.
GMN — manufacturer of spindles, motorized spindles and milling heads
GMN Paul Müller Industrie GmbH & Co. KG is a German manufacturer recognized for its grinding spindles, motorized spindles and high-speed spindles, designed for high-precision machining and grinding applications. Its solutions are found on many demanding grinding machines and machining centers, in sectors such as aerospace, automotive and precision subcontracting.
Maintaining these assemblies requires in-depth knowledge of their architecture as well as appropriate inspection equipment. This is precisely what Brochexpress has provided for over 30 years, from our sites in Beaurepaire (France) and Lussery-Villars (Switzerland).
GMN products covered
We service the full range — grinding spindles, motorized spindles and high-speed spindles.
Grinding spindles
Internal, external and surface grinding, all generations
Motorized spindles
Motor spindles for machining centers and production milling machines
High-speed spindles
High-speed spindles for high-precision applications
Milling heads
Motorized heads for 3- and 5-axis machining
Your model is not listed? Contact us for confirmation.
Interfaces and characteristics
High rotational accuracy and low vibration levels · Variable speed ranges depending on the application
Our intervention
On-site intervention
- On-machine disassembly of the spindle or motorized spindle
- Packaging and secure transport to our workshops
- Reassembly and recommissioning on-site after repair
Full diagnostics
- Vibration analysis
- Geometry and clearance inspection
- Temperature and load measurement
- Bearing and balancing verification
Preventive maintenance
- Full disassembly and inspection
- Precision bearing replacement
- Mechanical and electrical overhaul
- Cleaning and reassembly per manufacturer specifications
Reconditioning
- Repair of damaged spindles and motorized spindles
- Fine-tuning to restore original performance
- Testing and validation before return to production
Why trust Brochexpress with your GMN spindles?
The full GMN range with no exclusivity, the same expertise regardless of generation or model
Disassembly and reassembly directly on your machine, minimizing production downtime
Thorough command of grinding spindles, motorized spindles and high-speed spindles
Precision subcontractors, automotive suppliers, aerospace primes and large industrial groups
Beaurepaire (Auvergne-Rhône-Alpes) and Lussery-Villars (Switzerland) for maximum responsiveness
Frequently asked questions
How much does a GMN spindle repair cost?
The cost depends on the model, its condition and the extent of the work required. Each intervention is subject to a personalised quote, drawn up after diagnosis. Contact us for an assessment of your situation.
What are your intervention lead times?
We carry out on-site disassembly within 48 hours. The full repair lead time (diagnosis + recommissioning) is approximately 20 days.
What warranty applies to a repaired spindle?
We offer a 12-month warranty on repaired spindles. Full conditions are detailed in the quote and the intervention report.
Do you service GMN grinding spindles?
Yes. We handle both GMN motorized spindles and grinding spindles. Contact us with your equipment reference for confirmation.
Are you an authorised GMN partner?
No. Brochexpress is an independent repair and maintenance workshop. We are neither affiliated with, nor a partner of, nor an authorised distributor of GMN. Our business covers independent repair and maintenance of industrial equipment, permitted under referential trademark use (EU Trademark Directive 2015/2436 / French IP Code, art. L.713-6).
A reliable partner for your industrial performance
Whether it is an emergency on-site intervention, a full workshop overhaul or a preventive maintenance programme, Brochexpress brings its expertise to your production. As an independent workshop, we service the full GMN range — grinding spindles, motorized spindles and high-speed spindles — with the responsiveness and rigour demanded by the most exacting industrial environments: automotive, aerospace and precision subcontracting.
Request a quoteRelated services
GMN® is a registered trademark of GMN Paul Müller Industrie GmbH & Co. KG. Brochexpress is neither affiliated with, nor a partner of, nor an authorised distributor of GMN. Our business covers independent repair and maintenance of industrial equipment, permitted under the principle of referential trademark use (EU Trademark Directive 2015/2436 / French Intellectual Property Code, art. L.713-6).