
Repair and overhaul of electric motors, windings, compressors and pumps with own spare parts warehouse

Dax Maschinenbau GmbH
Hünenberg/ZG · SwitzerlandNew on Amplifa
About us
Dax Maschinenbau GmbH is a family-owned business in Hünenberg in the canton of Zug, specialised in the repair and overhaul of electric and gear motors from all manufacturers. The company manufactures windings in various sizes and insulation classes that are resistant to oil and refrigerants, and overhauls reciprocating and screw compressors including CO2 technology as well as swimming pool, submersible and centrifugal pumps. The service portfolio includes damage analysis, electrical winding testing, re-measurement of tolerances, test run and repainting, as well as an emergency service overnight and on weekends. In addition, Dax Maschinenbau operates a warehouse with standard motors in frame sizes 71–160 (B3/B5) and, as a partner of Fox-Drive AG, sells energy-saving IE3/IE4 motors from Cantoni. Customers come from the refrigeration and air-conditioning sector, drive technology, building and industrial technology, including SBB, Roche Diagnostics, Migros and Carrier Kälte Schweiz.
- Site
- Hünenberg/ZG
- Processes
- Repair & overhaul of electric and gear motors (damage analysis, complete disassembly,, Electrical testing of motor windings, Manufacturing of windings in a wide variety of sizes and insulation classes (oil- and, Overhaul of reciprocating and screw compressors (complete reconditioning, replacement of defective, Overhaul of swimming pool, submersible and centrifugal pumps from all manufacturers (mechanical and, Sale/warehouse of standard motors in frame sizes 71–160 in B3 and B5 with speeds of 3'000 and 1'500, Emergency service overnight and over the weekend (express repairs), Motor repair and overhaul (electric and gear motors from all manufacturers)
- Materials
- Standard motors (electric motors) frame sizes 71–160, B3/B5, speeds of 3'000 and 1'500 min-1, Energy-saving motors Cantoni types 3SIE / 3SIEz / 3SIEK / 3SIEL and 4SIE / 4SIEz / 4SIEK / 4SIEL, Fox Drive Standard series electric motors (IE3 & IE4), Energy-saving motors Cantoni 3SIE/4SIE series, Fox-Drive Standard series, Standard motors frame sizes 71–160
- Certificates
- Warranty on workmanship & materials (compressors)
- Industries
- Refrigeration and air-conditioning technology, Drive technology, Mechanical engineering, Building technology, Industry/plants
- 01
Damage analysis
- 02
Complete disassembly & cleaning
- 03
Electrical testing of windings
- 04
Re-measurement of tolerances
- 05
Replacement of sealing and wear parts
- 06
Test run & repainting
Products & Drives
Energy-saving motors Cantoni 3SIE/4SIE series
Energy-saving motors in efficiency classes IE3 and IE4 according to IEC/EN 60034-2-1, suitable for retrofitting existing systems.
Fox-Drive Standard series
Own configuration of Fox-Drive AG with IE3 and IE4 motors and a 3-year warranty.
Standard motors frame sizes 71–160
Standard motors held in stock in B3/B5 with speeds of 3'000 and 1'500 min-1 for rapid replacement in case of damage.
Site
Hünenberg/ZG
CHWorkshop, warehouse, administration
- Overhaul of compressors DWM, Bitzer, Bock, Carrier, Dorin, Trane, Refcomp
Services




Inside the production








Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Repair & overhaul of electric and gear motors (damage analysis, complete disassembly,Assembly | – | – | – | – | – |
| Electrical testing of motor windingsTesting | – | – | – | – | – |
| Manufacturing of windings in a wide variety of sizes and insulation classes (oil- andAssembly | – | – | – | – | – |
| Overhaul of reciprocating and screw compressors (complete reconditioning, replacement of defectiveAssembly | – | – | – | – | – |
| Overhaul of swimming pool, submersible and centrifugal pumps from all manufacturers (mechanical andAssembly | – | – | – | – | – |
| Sale/warehouse of standard motors in frame sizes 71–160 in B3 and B5 with speeds of 3'000 and 1'500Assembly | – | – | – | – | – |
| Emergency service overnight and over the weekend (express repairs)Assembly | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Reciprocating and screw compressors (overhauled compressors from the manufacturers DWM, Bitzer, | DWM, Bitzer, Bock, Carrier, Dorin, Trane, Refcomp (compressor types) | – | – | – | Hünenberg/ZG |
Additional services
Reference customers
Quality
All repairs are carried out exclusively by experienced professionals; a one-year warranty on workmanship and materials is granted on compressor overhauls. Every job concludes with a test run and repainting.
| Evidence | Hünenberg/ZG |
|---|---|
| Warranty on workmanship & materials (compressors) |
Team History
- 1997
Ali Neziri (workshop manager) has been with the company since 1997
- 2013
Andreas Mühlebach (head of assembly) has been with the company since 2013
- 2017
Mathias Meier (automation fitter) has been with the company since 2017