Service Partner for Mazak Machine Tools: Repair, Spindle Service, Metrology, Retrofit, and Used Machines from Weinbach.
lewema GmbH
WeinbachNew on Amplifa
The lewema Story
lewema GmbH is a service provider for machine tool service, located in Weinbach (Hesse), founded in 1993 by Bernd Leretz, a former employee of Yamazaki MAZAK GmbH. The company, with eight employees, specializes in repair, maintenance, upkeep, partial and complete overhauls, and retrofitting of Mazak machine tools and similar constructions. The range of services also includes spindle service with damage analysis, overhaul and spare part procurement, spindle cone grinding SK40/SK50, dynamic balancing on CIMAT balancing machines, as well as metrology with laser measurement of linear, round, and rotary axes and Renishaw QC-20 diagnostic measurements. Additionally, lewema GmbH offers control technology (PLCs & CNC), electronic spare parts, PLC programming, and trading in used machine tools such as lathes and machining centers. Customers are primarily from mechanical engineering, especially the machine tool sector. The team supports around 600 customers and is reachable by telephone through its own service hotline.
- Site
- Weinbach
- Processes
- Machine tool service (repair, maintenance, upkeep) for Mazak and similar constructions, Spindle service (damage analysis, overhaul, repair, check-up, spare parts), Spindle cone grinding SK40 and SK50 (all models), Balancing service (dynamic balancing of shafts, spindles, rotors, anchor shafts; individual and, Metrology (geometrical inspection, laser measurement of linear, round & rotary axes, runout and, Control technology / PLC & CNC technology / Electronic spare parts, Retrofitting of CNC machine tools, Partial and complete overhaul of machine tools
- Materials
- Laser Metrology, Dynamic Balancing, Spindle Cone Grinding
- Certificates
- Renishaw QC-20 Diagnostic Measurement, CIMAT Balancing Machine, ISO 9001
- Founded
- 1993
- Employees
- 8
- Industries
- Mechanical engineering, Machine tools
- 01
Inquiry/Diagnosis
- 02
Damage Analysis or Measurement
- 03
Repair, Overhaul, or Retrofit
- 04
Balancing or Geometrical Inspection
- 05
Documentation/Protocol and Acceptance
Services & Processes
Laser Metrology
Geometrical inspection of linear, round, and rotary axes, as well as runout and clamping force measurement with Renishaw QC-20.
Dynamic Balancing
Balancing of shafts, spindles, rotors, and anchor shafts on CIMAT balancing machines with before/after protocols.
Spindle Cone Grinding
Grinding of spindle cones SK40 and SK50 for all machine models.
Location
Weinbach
DEHeadquarters, Sales & Office
- CIMAT dynamic balancing machine
- Renishaw QC-20 Laser Measurement System
Service Areas
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Machine tool service (repair, maintenance, upkeep) for Mazak and similar constructionsAssembly | – | – | – | – | – |
| Spindle service (damage analysis, overhaul, repair, check-up, spare parts)Assembly | – | – | – | – | – |
| Spindle cone grinding SK40 and SK50 (all models)Machining | – | – | – | – | – |
| Balancing service (dynamic balancing of shafts, spindles, rotors, anchor shafts; individual andTesting | – | – | – | – | – |
| Metrology (geometrical inspection, laser measurement of linear, round & rotary axes, runout andTesting | – | – | – | – | – |
| Control technology / PLC & CNC technology / Electronic spare partsEngineering | – | – | – | – | – |
| Retrofitting of CNC machine toolsEngineering | – | – | – | – | – |
| Partial and complete overhaul of machine toolsAssembly | – | – | – | – | – |
| Trading in used machines (lathes, machining centers)Assembly | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CIMAT dynamic balancing machine | CIMAT | – | – | – | Weinbach |
| Laser measurement system for linear, round & rotary axes (Metrology) | Renishaw QC-20 | – | – | – | Weinbach |
Additional services
Quality & Metrology
Measurement and inspection are performed using state-of-the-art laser technology for geometrical inspection and Renishaw QC-20 diagnostic measurement; balancing results are documented with protocols (before/after).
| Evidence | Weinbach |
|---|---|
| Renishaw QC-20 Diagnostic Measurement | |
| CIMAT Balancing Machine | |
| ISO 9001 |
Milestones
- 1993
Foundation of lewema GmbH by Bernd Leretz, former employee of Yamazaki MAZAK GmbH
- 2018
Matteo Melcon joins as new CEO on January 1, 2018
- 2023
Bernd Leretz steps down from management on November 1, 2023; Iwan Ritter takes over as managing partner