Copper Clad Aluminum Enameled Wire (3).JPG

Enameled Wire For Drive Motors

Enameled copper wires form the stator and rotor windings of the drive motor through precision winding (such as round wire winding and flat wire forming). When energized, the windings generate a rotating magnetic field, which interacts with the permanent magnets of the rotor to produce electromagnetic torque, directly providing driving power for the vehicle. They are the "power core component" of the drive motor.

The electrical conductivity of copper is much higher than that of aluminum (about 1.6 times that of aluminum). Using enameled copper wires to make windings can significantly reduce "copper loss" (heat loss when current passes through the conductor), directly improving the energy efficiency of the drive motor and indirectly extending the driving range of new energy vehicles.

Product Types

QXY/220, AIW/220,QZY180

Temperature Class(℃): C

Manufacturing Scope: 0.10mm-6.00mm, AWG 1-38, SWG 6~SWG 42

Standard: NEMA, JIS, GB/T 6109.20-2008; IEC60317-13:1997

Spool Type: PT4 - PT60, DIN250

Package of Enameled Copper Wire: Pallet Packing, Wooden case Packing

Certification: UL, SGS, ISO9001, ISO14001, accept third party inspection as well

Quality Control: company internal standard is 25% higher than IEC standard

Product Parameters

Comparison of Different Product Type
Product Type	Enameled Copper Wire
Diameter Range	0.10mm-2.50mm
DC Resistance (20°C ）	0.0172Ω/m
Conductor Density(g/cm³）	8.96
Tensile Strength Nom(N/mm²）	280
Elongation Nom (%)	26
Conductivity (MS/m)	56-58.5
Breakdown Voltage(>2000V)	Non-breakdown
Property	Excellent thermal conductivity, high mechanical strength, superior compatibility,Good weldability
Application	Transformer, Electric Motor, Generator, Power Transmission, Specialty wires and cables, Large-scale electric motors

Process

Enameled Copper Wire Production Process

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Wire Drawing System

Drawing copper rods to target diamter

Annealing&Cleaning

Soften the copper wire, remove oil stains and oxide layer on its surface, and ensure firm adhesion of the paint film.

Enamel Application

Through precision paint-coating dies, uniformly apply a suitable insulating paint and control the thickness of the paint film in a single application (usually a few micrometers).

Baking&Curing

The painted copper wire enters an oven at 300-500℃, the solvent evaporates rapidly. The resins in the paint undergo cross-linking and curing, forming a dense insulating layer on the copper wire surface.

Cooling

Rapid cooling is achieved via air or water cooling, preventing the paint film from aging due to high temperature,restore the copper wire to normal temperature, for the next round of paint application.

Repeated 04&05

Since the thickness of paint applied in a single coat is limited (about a few micrometers), the process of "painting → baking → cooling" needs to be repeated 2-10 times until the designed paint film thickness and insulation class are achieved.

Wire Take-up

The finally formed enameled wire is neatly wound onto bobbins by a wire take-up machine, completing the finished product packaging.

Advantages of Enameled Copper Wire

1. Enameled Copper Wire has high resistance to heat shock.

2. Enameled Copper Wire has high temperature resistance.

3. Enameled Copper Wire has good performance in cut-through.

4. Enameled Copper Wire is suitable for high-speed automated routing.

5. Enameled Copper Wire is able to be direct welding.

6. Enameled Copper Wire is resistant to high frequency, wearing, refrigerants and electronics corona.

7. Enameled Copper Wire is high breakdown voltage, small dielectric loss angle.

8. Enameled Copper Wire is environment-friendly.

Application of Enameled Copper Wire

enamelled wire for motor and transformer

The motor is a large user of enamelled wire, the rise and fall of the motor industry is very important to the enamelled wire industry. Transformer industry is also a large user of enamelled wire. With the development of the national economy, the increase of electricity consumption, transformer demand also increases.

enamelled wire for household appliances

Home appliances with enamelled wire is becoming a very huge market, low friction coefficient enamelled wire, compound enamelled wire, "double zero" enamelled wire, fine enamelled wire and other types of demand increase significantly.

enamelled wire for automobiles

According to the analysis of foreign experts, it is expected that the demand for domestic automobile enamelled wire will exceed 4 million km in the future commemoration of its demand will continue to grow at a rate of about 10%.

New enamelled wire

After the 1980s, in order to improve the performance of wire, companies give new functions and improve the machining performance, and develop some special cables and new enamelled wire. The new enamelled wire includes corona resistant enamelled wire, polyurethane enamelled wire, polyester imine enamelled wire, composite coating enamelled wire, fine enamelled wire, etc. Micro enamelled wire mainly to electroacoustic equipment, laser head, special motor and non-contact IC card as the main target market. Industry of household appliance and electronic industry of our country grows quickly, the demand of microlacquerware wire grows rapidly.

Spool & Container Weight

Packing	Spool type	Weight/Spool	Maximum load quantity
Packing	Spool type	Weight/Spool	20GP	40GP/ 40NOR
Pallet	PT4	6.5KG	22.5-23 tons	22.5-23 tons
	PT10	15KG	22.5-23 tons	22.5-23 tons
	PT15	19KG	22.5-23 tons	22.5-23 tons
	PT25	35KG	22.5-23 tons	22.5-23 tons
	PT60	65KG	22.5-23 tons	22.5-23 tons
	PC400	80-85KG	22.5-23 tons	22.5-23 tons