Micro Welding
Compacting Tools
Precision compacting tools for dimensionally accurate compacting and joining of cable strands, battery cells, and electronic components.
KWZ-05
- Welding force up to 150 N
- Weight approx. 6.8 kg
- Electrode stroke max. 5 mm
- Wire cross-sections from 0.06–0.5 mm²
- Compacting length max. 5.5 mm
- Excellent repositioning performance
- Displacement and force measurement can be retrofitted as an option
Advantages
- Pneumatic force adjustment
- Various force adjustment cylinders and springs possible
- Electrode holder water-cooled and secured against rotation
- Precise electrode quick-change system
- Integrated path measurement for component control, sinking depth, residual thickness
- Excellent reproducibility due to form fit
- Compact, flexible design with low dead weight
Fields of Application
- Dimensionally accurate compacting of multiple strands
- Compacting of coated strands possible
- Strands in the range 0.06 mm²–0.50 mm²
- Maximum compacting length 5.5 mm

KWZ-10
- Welding force up to 1,500 N
- Weight approx. 33.4 kg
- Electrode stroke max. 10 mm
- Wire cross-sections from 0.5–12.0 mm²
- Compacting length max. 14.0 mm
- Excellent repositioning performance
- Displacement and force measurement can be retrofitted as an option
Advantages
- Pneumatic force adjustment
- Various force adjustment cylinders and springs possible
- Electrode holder water-cooled and secured against twisting
- Stepless adjustment of the compacting width — no need to change electrodes or notches
- Integrated path measurement for component control, sinking depth, residual thickness
- Excellent reproducibility due to form fit
- Compact, flexible design with low dead weight
Fields of Application
- Dimensionally accurate compacting of multiple strands
- Compacting of coated strands possible
- Strands in the range 0.5 mm²–12.0 mm²
- Maximum compacting length 14.0 mm

KWZ-15
- Welding force up to 1,500 N
- Weight approx. 33.4 kg
- Electrode stroke max. 10 mm
- Wire cross-sections from 0.5–12.0 mm²
- Compacting length max. 14.0 mm
- Continuous compacting possible
- Excellent repositioning performance
- Displacement and force measurement can be retrofitted as an option
Advantages
- Pneumatic force adjustment
- Various force adjustment cylinders and springs possible
- Electrode holder water-cooled and secured against twisting
- Stepless adjustment of the compacting width — no need to change electrodes or notches
- Integrated path measurement for component control, sinking depth, residual thickness
- Excellent reproducibility due to form fit
- Compact, flexible design with low dead weight
Fields of Application
- Dimensionally accurate compacting of multiple strands
- Compacting of coated strands possible
- Strands in the range 0.5 mm²–12.0 mm²
- Maximum compacting length 14.0 mm
- Continuous compacting possible

KWZ-Splice
- Welding force up to 1,500 N
- Weight approx. 33.4 kg
- Electrode stroke max. 10 mm
- Wire cross-sections from 0.5–18.0 mm² (sum of all individual wires)
- Compacting length max. 10.0 mm
- Excellent repositioning performance
- Displacement measurement
Advantages
- Pneumatic force adjustment
- Various force adjustment cylinders and springs possible
- Electrode holder water-cooled and secured against twisting
- Stepless adjustment of the compacting width — no need to change electrodes or notches
- Integrated path measurement for component control, sinking depth, residual thickness
- Excellent reproducibility due to form fit
- Compact, flexible design with low dead weight
Fields of Application
- Splice connections
- Strands in the range 0.5 mm²–approx. 12.0 mm² (sum of all individual wires)
- Dimensionally stable compaction of multiple strands
- Combination of coated wires
- Maximum compacting length 10.0 mm
- Connection of enameled wires and strands using ferrules
- Compacting of cable harnesses

KWZ-Micro
- Welding force up to 500 N
- Weight approx. 17.5 kg
- Electrode stroke max. 20 mm
- Wire cross-sections from 0.1–1.0 mm²
- Compacting length max. 3.0 mm
- Excellent repositioning performance
- Displacement and force measurement can be retrofitted as an option
Advantages
- Pneumatic force adjustment
- Various force adjustment cylinders and springs possible
- Electrode holder water-cooled and secured against twisting
- Semi-automatic compacting
- Individual strand and sensor holders possible
- Integrated path measurement for component control, sinking depth, residual thickness
- Adjustable via integrated PLC: one or two welding points per component; two different welding programs can be preselected
Fields of Application
- Dimensionally accurate compacting of multiple strands
- Compacting of coated strands possible
- Strands in the range 0.1 mm²–1.0 mm²
- Maximum compacting length 3.0 mm
- Lengthening of two stranded wires
- Compacting and welding of stranded wires to Pt sensors or similar in a single operation

Application Examples
Technical Specifications
| Parameter | KWZ-05 | KWZ-10 | KWZ-15 | KWZ-Splice | KWZ-Micro |
|---|---|---|---|---|---|
| Welding force | up to 150 N | up to 1,500 N | up to 1,500 N | up to 1,500 N | up to 500 N |
| Weight | ≈ 6.8 kg | ≈ 33.4 kg | ≈ 33.4 kg | ≈ 33.4 kg | ≈ 17.5 kg |
| Electrode stroke | max. 5 mm | max. 10 mm | max. 10 mm | max. 10 mm | max. 20 mm |
| Wire cross-sections | 0.06–0.5 mm² | 0.5–12.0 mm² | 0.5–12.0 mm² | 0.5–18.0 mm² | 0.1–1.0 mm² |
| Compacting length | max. 5.5 mm | max. 14.0 mm | max. 14.0 mm | max. 10.0 mm | max. 3.0 mm |
| Continuous compacting | — | — | ✓ | — | — |
| Displacement measurement | Option | Option | Option | ✓ | Option |
| Force measurement | Option | Option | Option | — | Option |
