Bocadar
BKD-SW-02 · Dual-Servo Commutator Spot Welding MachineStation 06 · Commutator Welding
Dual-servo commutator spot welding machine
Cycle time0.35 s/tang
Energy repeatability±2%
Bars8–24

Station 06 · Commutator Welding

Dual-Servo Commutator Spot Welding Machine

Model BKD-SW-02

Servo-controlled electrode force and indexing weld every tang with the same energy and dwell, so joint resistance stays consistent across the commutator.

Cycle time
0.35 s/tang
Energy repeatability
±2%
Bars
8–24

Applicable armatures

Motor types
Brushed DC and universal motor armatures
Armature OD
20–60 mm
Shaft diameter
3–12 mm
Slot count
8–24 bars

Specifications

Performance
ParameterValueUnit
Cycle time0.35 per tang, 8.5 per 24-bar armatures/pc
Output340pcs/h
Changeover25min
Electrode force50–500N
Welding power15kVA
Precision
ParameterValueUnit
Weld energy repeatability±2%
Electrode force repeatability±3%
Indexing repeatability±0.02mm
Electrical & pneumatic
ParameterValueUnit
Power supplyAC 380 V / 3 ph / 50 Hz
Rated power18kW
Air pressure0.5–0.7MPa
Dimensions & weight
ParameterValueUnit
Footprint (L×W×H)1 200×1000×1800mm
Weight780kg
Control
ParameterValueUnit
PLCMitsubishi FX5U
HMIWeinview 7"
Servo axes2

How it works

  1. 1The wound armature is clamped with the tangs referenced to the electrode.
  2. 2The servo brings the electrode to the programmed force.
  3. 3The weld pulse is applied and its energy is monitored.
  4. 4The armature indexes to the next tang.

Standard configuration

  • Servo drive package and safety guarding with interlocked doors
  • PLC with touch-screen HMI, recipe storage per armature model
  • One set of tooling for the armature model agreed at order
  • Operation and maintenance manual, recommended spare parts list

Options

  • Additional tooling sets for further armature models
  • Data logging with CSV export or MES interface
  • Automatic loading and unloading, conveyor for line integration
  • Spare parts package for 12 or 24 months of production

All machines in this process

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