
System partner for resistance welding: spot welding and projection welding systems, special-purpose systems, service and spare parts
ROLF WAHLENMEIER SCHWEISSTECHNIK GMBH
Korb (Daimlerstraße 14, 71404 Korb)New on Amplifa
About us
ROLF WAHLENMEIER SCHWEISSTECHNIK GMBH has been offering spot welding and projection welding systems for resistance welded joints in all areas of the metalworking industry since 1979. The company based in Korb in the Rems valley operates as a globally active system partner and factory representative of the manufacturers DALEX and HARMS+WENDE, delivering complete solutions ranging from simple spot welding tongs and series and special welding machines through to robot-assisted welding automation. The product range includes spot welding, projection welding, roll seam welding, butt welding and micro welding machines, special welding systems with rotary tables and feeding technology, welding controls, cooling systems as well as spot welding electrodes and accessories. In addition to consulting and sales, the company carries out assembly, commissioning, service, repair, overhaul and modernization of resistance welding systems from a wide variety of manufacturers, supplies spare parts and consumable materials, and offers training as well as welding process optimization at the customer's site. Customers come from industries such as the automotive and supply industry, special machinery construction, household appliance industry, construction, wire mesh, furniture, filter and contact industry as well as from the skilled trades.
- Site
- Korb
- Processes
- Spot welding, Projection welding, Roll seam welding (transverse/longitudinal seam), Butt welding, Nut welding, Stud welding, Mesh welding, Filter welding
- Materials
- Sheet steel (unalloyed, C content ≤ 0.2%), CrNi sheet (stainless steel), Brass sheet, Aluminium sheet, Round steel (C content ≤ 0.2%), Resistance welding, Roll seam welding, Butt welding
- Certificates
- Warranty on overhauled used machines, Performance test rig for cooling units, Testing devices according to DIN-DVS standards
- Founded
- 1979
- Industries
- Automotive industry and supply industry, Prototype construction, Special machinery construction, Household appliance industry, Construction industry, Wire mesh industry
- 01
Consulting and sales of resistance welding equipment
- 02
Engineering of special-purpose systems including accessories and components
- 03
Assembly and commissioning at the customer's site
- 04
Service, repair and spare parts supply
- 05
Training, parameterization and process optimization
Processes and Materials
Resistance welding
Spot welding, projection welding, nut and stud welding for resistance welded joints.
Roll seam welding
Transverse and longitudinal seam electrodes for fittings and sheet metal parts, e.g. with the DALEX PMS 11 series.
Butt welding
Butt welding of round steel 2.0 to 14.0 mm Ø, among others with type N 12.
Micro/precision spot welding
Resistance welding and soldering of metal foils, mesh fabric, heat shielding sheets and thin sheets in precision mechanics and electronics.
Heat treatment/overhaul
Repair, overhaul and modernization of resistance welding systems from a wide variety of manufacturers.
Steel
Welding ratings for sheet steel and round steel with C content ≤ 0.2 % according to DIN 44753 / ISO 669.
Stainless steel
CrNi sheets, optionally with a forming gas unit for spot welding without discoloration.
Aluminium
Aluminium sheets up to 3+3 mm depending on machine type.
Brass
Non-ferrous metal and brass sheets up to 5+5 mm depending on machine type.
Locations
Korb
DEHead office with warehouse, new machines and overhauled used machines, service and training
- DALEX spot welding machines SL/PL/PPS/PPN/KP
- DALEX seam welding machine PMS 11-6 BNQL
- Projection welding machines BSW 25/50/100
- Butt welding machine N 12
- DALEX rotary table welding systems
- ROWA micro bench spot welding machines
- DELTATHERM water recirculating cooling units LT/IK-V/LTK
- HARMS+WENDE medium frequency inverters 1000Hz
Components






Inside the production
















Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Spot weldingJoining | – | – | – | – | Sheet steel (C content ≤ 0.2%), CrNi sheet (stainless steel), Brass sheet, Aluminium sheet, Round steel |
| Projection weldingJoining | – | – | – | – | Steel, Non-ferrous metals |
| Roll seam welding (transverse/longitudinal seam)Joining | – | – | – | – | Sheet steel |
| Butt weldingJoining | – | – | – | – | Steel 2.0-14.0mm Ø |
| Nut weldingJoining | – | – | – | – | – |
| Stud weldingJoining | – | – | – | – | – |
| Mesh weldingJoining | – | – | – | – | Wire |
| Filter weldingJoining | – | – | – | – | – |
| Micro/precision spot welding (metal foils, mesh fabric, thin sheets)Joining | – | – | – | – | Metal foils, Mesh fabric, Heat shielding sheets, Thin sheets |
| Resistance solderingJoining | – | – | – | – | Small parts |
| Hot crimpingPlastics | – | – | – | – | – |
| CompactingForming | – | – | – | – | – |
| Warm solderingJoining | – | – | – | – | – |
| Non-ferrous metal weldingJoining | – | – | – | – | Non-ferrous metals |
| Repair, overhaul and modernization of resistance welding systemsEngineering | – | – | – | – | – |
36 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Spot welding machine | DALEX PL 100_DH | – | Throat depth 350-650mm | – | Korb |
| Spot welding machine | DALEX PL 80_EH | – | Throat depth 350-650mm | – | Korb |
| Spot welding machine | DALEX PL 40_EH | – | Throat depth 250-550mm | – | Korb |
| Spot welding machine | DALEX SL 202_Rohrarm | – | Throat depth 130-500mm | – | Korb |
| Seam welding machine | DALEX PMS 11-6 BNQL | – | Throat depth 550mm, longitudinal and transverse seam | – | Korb |
| Bench projection welding machine | BSW 50 | – | Throat depth 250mm | – | Korb |
| Spot welding machine | PPS 35 | – | Throat depth 395mm | – | Korb |
| Spot welding machine | PPN 63 | – | Throat depth 435mm | – | Korb |
| Spot welding machine | KP 22 | – | Throat depth 455mm | – | Korb |
| Spot welding machine | KP 28 | – | Throat depth 455mm | – | Korb |
| Butt welding machine | N 12 | – | Welding ratings steel 2.0-14.0mm Ø | – | Korb |
| Spot welding gun | 7902 P | – | Throat depth 125mm | – | Korb |
| Spot welding gun | DALEX 3228-4 | – | Throat depth 350mm | – | Korb |
| Spot welding machine (overhauled) | DALEX PL 63_EH | – | Throat depth 450-750mm | – | Korb |
| Bench spot welding machine (overhauled) | DALEX PMS 10-4/T | – | Throat depth 200mm | – | Korb |
| Spot welding machine | DALEX SL 25 | – | Throat depth 180-500mm | – | Korb |
| Spot welding machine | TECNA 4665N | – | Throat depth 400mm | – | Korb |
| Spot welding machine | TECNA 4648N | – | Throat depth 230-550mm | – | Korb |
| Bench spot welding machine | ARO OMEGA 25 | – | Throat depth 150mm | – | Korb |
| Bench spot welding machine | ARO/KUKA K15/P | – | Throat depth 300mm | – | Korb |
| Spot welding gun | DALEX A 3111 | – | Throat depth 250mm | – | Korb |
| Spot welding gun | DALEX 3328-5 | – | Throat depth 170mm | – | Korb |
| Spot welding gun | DALEX 3528-4 | – | Throat depth 500mm | – | Korb |
| C-spot welding gun | DALEX 3346 EH | – | Throat depth 95mm | – | Korb |
| X automotive spot welding gun | NIMAK LHN21 | – | Throat depth 360mm | – | Korb |
| Spot welding gun | ARO S-6422 | – | Throat depth 500mm | – | Korb |
| Micro welding head unit | MIYACHI PECO F120K-A/Hub | – | Welding current max. 5kA, welding force 45-150N | – | Korb |
| Rotary table welding system (projection welding machine with rotary table) | DALEX | – | Six-station division, approx. 20 parts/min | – | Korb |
| Double-head projection welding machine with 4-station rotary table | DALEX | – | Four-station division | – | Korb |
| Micro bench spot welding machine | ROWA ROWA 1 | – | Welding currents from 100A, electrode forces 10-100daN | – | Korb |
| Micro bench spot welding machine | ROWA ROWA 2-4 | – | Welding currents from 100A, electrode forces 10-300daN | – | Korb |
| Bench spot welding machine | DALEX PMS 10-6/T | – | Throat depth 20-200/350/550mm | – | Korb |
| Seam welding machine | DALEX PMS 11-4 | – | Throat depth 350/550/750mm | – | Korb |
| Water recirculating cooling unit | DELTATHERM LT Mini 09.5 | – | Cooling capacity 1.0kW | – | Korb |
| Water recirculating cooling unit | DELTATHERM IK-V 07 | – | Cooling capacity 0.9kW | – | Korb |
| Water recirculating cooling unit | LTK 3.4 | – | Cooling capacity 3.0kW | – | Korb |
Additional services
Quality
Overhauled used machines receive disassembly, cleaning, new installation of the cooling circuit, pneumatics and electrics, a new welding control as well as a 6-month warranty. The product range includes testing devices such as test chisels according to DIN-DVS standards, electronic torque wrenches, hydraulic force measuring devices as well as portable welding current and electrode force measuring devices.
| Evidence | Korb |
|---|---|
| Warranty on overhauled used machines | |
| Performance test rig for cooling units | |
| Testing devices according to DIN-DVS standards |
Milestones
- 1979
Foundation of ROLF WAHLENMEIER SCHWEISSTECHNIK GMBH in Stuttgart; previously Rolf Wahlenmeier had worked for KUKA welding systems for approx. 20 years.
- 1988
Relocation of the company to Korb in the Rems valley.
- 1998
New construction of a warehouse and assembly hall.
- 2000
Takeover of the company by the sons Jan and Oliver Wahlenmeier.
- 2009
30 years of ROLF WAHLENMEIER SCHWEISSTECHNIK GMBH.
- 2019
40 years of ROLF WAHLENMEIER SCHWEISSTECHNIK GMBH.