Specialized in total solutions for motor automation

New Energy Vehicle Motor Automated Assembly Line Solution

The automated assembly solution for new energy vehicle motor covers the whole process of servo motor production, optimizing the process for core processes such as winding, soldering and assembling: the winding adopts servo tensioner to achieve constant tension control and improve slot fullness and wire quality; the soldering introduces flux preheating and cavity heating structure to eliminate the problem of blown tin; and at the same time, it integrates the processes of automatic rounding and PCB straightening, and builds closed-loop control through PLC with high resolution encoder to cooperate with machine vision and laser positioning to realize the synergy of the whole process. At the same time, it integrates the automatic rounding and PCB straightening processes through PLC with high-resolution encoder to build closed-loop control, and machine vision and laser positioning to realize the synergy of the whole process.

New Energy Vehicle Motor Automated Assembly Line Solution (images 1)
New Energy Vehicle Motor Assembly Line · Technical Specifications
ItemSpecification
Motor typesNEV traction motors (permanent magnet synchronous / AC asynchronous) · stator, rotor and reducer assemblies (frame size and shaft end per workpiece drawing)
Process coverageStator paper insertion → winding → lacing & shaping → rotor magnet insertion → dynamic balancing → final assembly → leak test → EOL end-of-line test
Positioning accuracyPress-fit repeat ±0.01 mm · electric cylinder ±0.02 mm · servo handling ±0.03 mm
Changeover time≤20 min (specification changeover, mixed-model production)
Defective rate≤0.3‰ (with 100% EOL inspection)
In-line inspectionLeak test · dynamic balancing · inter-turn and hipot · torque-angle monitoring · vision error-proofing
Control systemPLC + HMI + MES, full-process data traceability
Power supply3-phase AC 380V / 50Hz
Air supply0.5–0.7 MPa
SafetySafety light curtain · safety door lock · personnel interlock · two-hand buttons at the press-fit station
Stations · cycle time · output · footprintQuoted per workpiece drawing and cycle time; line utilization over 20% higher than a manual line, with 2–3 auxiliary operators

Rows marked g are standard configuration; remaining values are confirmed against the workpiece drawing.

Customization Process

Each line is customized to the stator, rotor and final-assembly processes of a given vehicle motor; stations, fixtures, conveying, leak testing and EOL inspection are all redesigned. Seven stages, each with defined deliverables and customer sign-off points.

  1. 1

    Requirement review
    & concept design

    7–15 days

    Technical proposal

  2. 2

    Technical freeze
    & contract

    3–7 days

    Technical agreement

  3. 3

    Design & build
    in-house commissioning

    30–60 days

    Drawings · programs

  4. 4

    FAT
    factory acceptance

    3–5 days

    Acceptance record

  5. 5

    Site installation
    & SAT

    5–10 days

    SAT report

  6. 6

    Production validation

    3–10 days

    Validation report

  7. 7

    Final acceptance
    & handover

    2–3 days

    Manuals · spares

Total lead time is typically 45–120 calendar days, with build and in-house commissioning accounting for the largest share. Once the design is frozen, changes to core process parameters (size, cycle time, number of stations) cascade into mechanical, electrical and layout changes and may extend the schedule by more than 30% — technical freeze requires written customer confirmation.

Program Advantages

The new energy vehicle motor assembly automatic assembly line solution covers the whole production process of stator, rotor and assembly. For the process demand of flat wire drive motor, it integrates the core processes of flat wire forming, laser paint removal, flaring and twisting, laser welding, etc. The rotor link adopts high-precision servo press-fitting with full-station visual inspection and MES manufacturing execution system to realize the whole process of digitalized management and control. The

Jiuju Automation-Automated production line for new energy automobile motors
New Energy Vehicle Motor Automated Production Line

Core parameters

We are a new energy vehicle motor automated production line manufacturing with design, R&D, production and after-sales capabilities, which can realize flexible intelligent assembly and non-standard customization as required

Product Recommendation

Deep plowing in the motor industry for many years, the products are widely used in the four core areas, according to the process characteristics of different types of motors to provide exclusive motor automated assembly line solutions.
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Jiuju Automation
Jiuju Automation
Committed to becoming a leading enterprise in the field of industrial automation

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