Description
Raw material
Commutator bars : copper
Insulation between bars: mica
Moulding compound: phenolic
Reiforced rings: steel or fiber glass
Bushings: Brass,steel metal material
Chief Techical Parameters
Name of the parameter | Specifications of commutator | Technical parameter | |
Overspeed test | O.D less than 25.5mm | ROOM temperature:44000RPM,after 10min ,running ,deviation between segments≤0.003,O.D change≤0.007mm | |
Heating 250℃44000RPM,after 10min ,running ,deviation between segments≤0.003,O.D change≤0.007mm | |||
O.D 25.5mm-28.5mm | ROOM temperature:44000RPM,after 10min ,running ,deviation between segments≤0.003,O.D change≤0.007mm | ||
Heating 250℃38000RPM,after 10min ,running ,deviation between segments≤0.003,O.D change≤0.007mm | |||
O.D 28.5mm-32.5mm | ROOM temperature:37000RPM,after 10min ,running ,deviation between segments≤0.003,O.D change≤0.010mm | ||
Heating 250℃35000RPM,after 10min ,running ,deviation between segments≤0.003,O.D change≤0.010mm | |||
O.D 32.5mm-38.5mm | ROOM temperature:34000RPM,after 10min ,running ,deviation between segments≤0.003,O.D change≤0.010mm | ||
Heating 250℃32000RPM,after 10min ,running ,deviation between segments≤0.003,O.D change≤0.010mm | |||
Insulation withstanding test | Various specification | Room temperature: between shaft hole and commutator segment≥150MΩ | |
Heating:140℃ within 1h , between shaft hole and commutator segment≥100MΩ | |||
I.D tolerance of commutator | Various specification | With bushing H7 | Without bushing H8 |
Inclination of commutator segment | Various specification | □≤1/3Nominal insulating thickness between the segment of coummtator | |
AC frequency | Various specification | 50HZ | 60HZ |
Note:
1、The volage-withstanding test’s date between the shaft and the segment of commutator and between the segments depends on the different motor application and different customers’ requirements.
2、Negotiation may be taken if customers have other special requirements to the above date in the table.
지불 및 보안
Vos informations de paiement sont gérées de manière sécurisée. Nous ne stockons ni ne pouvons récupérer votre numéro de carte bancaire.
당신은 또한 좋아할 수 있습니다
Economisez 20%


East Supplier Platform
TEC112706 12703 12704 12705 12708 12709 12710 12712 12715 Thermoelectric Cooler Peltier 40MM 12V Peltier Elemente Module
56957 en stock
A partir de $3.32
$4.15
Economisez 20%


East Supplier Platform
TEC112706 12703 12704 12705 12708 12709 12710 12712 12715 Thermoelectric Cooler Peltier 40MM 12V Peltier Elemente Module
56956 en stock
A partir de $3.32
$4.15
Economisez 20%


East Supplier Platform
TEC112706 12703 12704 12705 12708 12709 12710 12712 12715 Thermoelectric Cooler Peltier 40MM 12V Peltier Elemente Module
57611 en stock
A partir de $4.52
$5.65
Economisez 20%


East Supplier Platform
Heating Comb Straightener Electric Hot Comb Flat Iron Hair Straightening Brush Smoothing Iron Comb Hair Straightener Brush
117141 en stock
A partir de $27.22
$34.03
Economisez 20%


East Supplier Platform
Electrical Tape Heat Resistant Harness Tape Insulation Automotive Fabric Cloth Tape Waterproof Noise Resistance Adhesives Tape
9941 en stock
A partir de $1.56
$1.95
Economisez 20%


East Supplier Platform
3D Printer Parts High Temperature Resistant Heat BGA Kapton Polyimide Insulating Thermal Insulation Adhesive Tape
99891 en stock
A partir de $2.36
$2.95
Economisez 20%


East Supplier Platform
Motorcycle Thermal Exhaust Tape Header Wrap Exhaust Heat Shield Roll Resistant With Stainle Free Shipping 2.5cm*5M/10M/15M Moto
879 en stock
A partir de $20.06
$25.08
Economisez 20%


East Supplier Platform
1M Heat-resistant Super Soft Silicone Cable 24 22 20 18 16 14 12 10 8 6 4 2 0 AWG Car Battery Flexible Tin-plated Copper Wire
2134 en stock
A partir de $1.46
$1.83