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Commutator being turned on the four-servo double-tool machine

Station 08 · Commutator Turning

Four-Servo Double-Tool Commutator Turning Machine

Model BKD-CT-04

A manually loaded commutator turning machine with four servo axes and two cutting tools, shown here in production at a customer's plant.

Servo axes
4
Cutting tools
2
Loading
Manual

Applicable armatures

Motor types
Brushed DC and universal motor armatures
Armature OD
20–60 mm
Shaft diameter
3–12 mm

Specifications

Performance
ParameterValueUnit
Cycle time≈ 12 (manual loading)s/pc
Cutting tools2
LoadingManual
Precision
ParameterValueUnit
Runout≤ 0.008mm
Surface finishRa ≤ 0.8μm
Electrical & pneumatic
ParameterValueUnit
Power supplyAC 380 V / 3 ph / 50 Hz
Rated power3kW
Air pressure0.5–0.7MPa
Dimensions & weight
ParameterValueUnit
Footprint (L×W×H)≈ 1 200×900×1 600mm
Weight≈ 450kg
Control
ParameterValueUnit
PLCMitsubishi FX5U
HMIWeinview 7"
Servo axes4

How it works

  1. 1The operator loads the armature between centres.
  2. 2The armature spins while two servo-driven tools turn the commutator.
  3. 3The operator unloads the finished armature.

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

Video

All machines in this process

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