Bocadar
BKD-WT-01 · Automatic Welding & Testing MachineStation 06 + 09 · Commutator Welding
Automatic welding and testing machine
Cycle time12.0 s
Resistance resolution0.1 mΩ
Bars8–24

Station 06 + 09 · Commutator Welding

Automatic Welding & Testing Machine

Model BKD-WT-01

Welds the commutator tangs and measures each joint on the same fixture, so a bad weld is caught before the armature reaches wedging and turning.

Cycle time
12.0 s
Resistance resolution
0.1 mΩ
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 time12.0s/pc
Output290pcs/h
Changeover30min
Operations in one stationWeld + bar-to-bar resistance + surge
Electrode force50–500N
Precision
ParameterValueUnit
Weld energy repeatability±2%
Resistance resolution0.1
Resistance accuracy±0.5%
Electrical & pneumatic
ParameterValueUnit
Power supplyAC 380 V / 3 ph / 50 Hz
Rated power20kW
Air pressure0.5–0.7MPa
Dimensions & weight
ParameterValueUnit
Footprint (L×W×H)2 200×1200×1900mm
Weight1 300kg
Control
ParameterValueUnit
PLCSiemens S7-1200
HMIWeinview 10"
Servo axes3

How it works

  1. 1The armature enters on the conveyor and is clamped.
  2. 2Each tang is spot-welded with servo-controlled electrode force.
  3. 3Bar-to-bar resistance and a surge test run on the same station.
  4. 4Passing parts continue; failures are diverted to the reject chute.

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

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