The industrial manual welding guns CM & VM for fully automatic resistance spot welding are welding guns of the second generation with improved arm mechanism and higher power and bear the suffix "M" (version for manual production).
These guns have been designed for high industrial and automotive requirements of serial production. They are winners in the areas of performance, robustness in continuous use and weight. Executed as lightweight guns, the guns are two-thirds lighter than conventional spot welding guns. This means 70% weight savings for the operator and allows precise and energy-saving guidance of the welding gun.
The known and proven control measures exactly at the point of welding during the process. The automatic mode "Vision" supersedes preliminary or interim parameter settings.
Applications
For the manual production in the automotive industry and in the industry at higher stress.
Features
- 10 kHz transformer with rectifier (7.5 kg)
- High output currents up to 15 kA
- Integrated measurement system (automatic detection of sheet thickness)
- Fast reacting servo proportional valve directly integrated into the gun
- Shut-off valve for water flow (check valve at reflux) for change of electrode caps
- Automatic regulation of electrode force
- Least possible number of current transitions
- Integrated quality system ELMA-QS with clear quality statement about the welding spot
- Documentation of welding parameters by means of Spot QS Viewer software (optional)
- Complete hose and cable package (10 meter) disconnectable via quick coupling
- Orbital ring vertically adjustable
- VM: Cylinder, piston rod and main bearing guided in precision needle bearings
- Service features: grab handle-adapter and orbital ring releasable from outside
- Gun body can be completely dismantled from one side
Technical data
Connection data
- Primary voltage (transformer/frequency): 569 V / 10 kHz
- Primary power (50 % duty cycle): 30 kVA
Welding circuit
- Maximum welding current: ca. 15 kA
- Open-circuit voltage: ca. 12,5 V DC
Water cooling
- Flow rate (min.) with temperature sequence 22°C: 6 l / min.
Mechanical Data CM
- Window seize: Customized
- Electrode force, max.: 5,5 kN bei 6 bar
Mechanical Data VM
- Arm length: Customized
- Electrode force: depending on arm
Weight
- VM (without arms / hose and cable package): 35 kg
- CM (without arms / hose and cable package): 34 kg
