V-Ring type commutators are applied in high power motor, pump motor, military use etc.
Technical specification
1.    Molded resin has smooth surface, must be free from dented, cracks or any other flaw.
2.   Spin test:,5000r/min at 180C for 60 second, radial movement  <0.012, bar to bar <0.005.
3.    High voltage test: bar to shaft at 1500V for 30 second, bar to bar at 550V for 1 s.
4.    Insulation test at 500V, 50MΩ Min
5.    Copper material: sliver copper or electrolytic copper or customized
6.    Dimension: from OD 1500mm to OD 2500mm. Customized commutator is available.
7.    Application: automotive industry, power tools, home electronic appliances, and other motors
8.    Commutator type: v-ring type, assembled type, with steel bush