Electric Motor Rotor Lamination Stacking and Welding Machine

Product Specifications

Technical details and manufacturing context for Electric Motor Rotor Lamination Stacking and Welding Machine

Definition

This industrial machine automates the precise stacking of electrical steel laminations to form rotor cores for electric motors. It ensures proper alignment and interlocking of laminations before performing automated welding to create a rigid rotor assembly. The machine significantly improves production consistency and reduces manual labor in rotor manufacturing. It is essential for high-volume production of AC induction motors, DC motors, and servo motors. The machine handles rotor diameters from 50 to 200 mm and stack heights from 20 to 150 mm, with a stacking speed of 10 to 20 laminations per minute. Positioning accuracy is ±0.05 mm, and cycle time ranges from 3 to 6 seconds per rotor. The welding system has a power capacity of 5 to 15 kVA, and the total rated power is 20 to 40 kW. Operating pressure for pneumatic systems is 0.5 to 0.8 MPa (ISO 8573-1), and supply voltage is 380 V AC ±10% (IEC 60038). The machine operates in ambient temperatures from 5 to 40 °C and humidity from 30% to 85% RH (non-condensing). It has an ingress protection rating of IP54 (IEC 60529). Machine weight ranges from 3000 to 5000 kg, and footprint is approximately 2500×1500×2200 mm. The machine is constructed with a structural steel frame and uses copper welding electrodes. It is designed for continuous industrial use. All specifications are reference ranges; verify model-specific values with the manufacturer or supplier.

Working Principle

The machine feeds individual laminations from a magazine, stacks them in precise rotational alignment, applies pressure to compress the stack, and performs automated welding at multiple points to fuse laminations into a solid rotor core. The process begins with lamination feeding, followed by alignment and stacking. Pressure is applied to ensure tight contact, and welding electrodes fuse the stack at predetermined points. The completed rotor is then ejected for further processing.

Common Materials

Electrical Steel Laminations, Copper Welding Electrodes, Structural Steel Frame

Technical Parameters

Parameter	Typical range	Notes & selection driver
Maximum Rotor DiameterRequired	50–200 mm	Largest rotor diameter the machine can process
Stacking SpeedRequired	10–20 laminations/min	Maximum lamination stacking rate
Welding PowerRequired	5–15 kVA	Electrical power capacity of welding system
Stack Height CapacityRequired	20–150 mm	Maximum height of completed rotor stack
Positioning AccuracyRequired	±0.05 μm	Precision of lamination positioning
Cycle Time	3–6 seconds	Time to complete one rotor assembly cycle
Operating Pressure	0.5–0.8 MPa	For pneumatic clamping and feeding systemsISO 8573-1
Supply Voltage	380 ±10% V AC	Three-phase, 50/60 HzIEC 60038
Rated Power	20–40 kW	Total installed power including servos and welder
Operating Temperature	5–40 °C	Ambient temperature range for reliable operation
Humidity Range	30–85 % RH	Non-condensing
Ingress Protection	IP54	Protected against dust and water splashesIEC 60529
Machine Weight	3000–5000 kg	Depends on configuration and options
Footprint (L×W×H)	2500×1500×2200 mm	Approximate dimensions for standard model

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Lamination Feeder
Automatically feeds individual laminations from magazine to stacking station

Material: Stainless Steel
Stacking Mechanism
Precisely aligns and stacks laminations with rotational indexing

Material: Precision Machined Steel
Welding Head
Performs resistance welding at multiple points on stacked laminations

Material: Copper Alloy
Clamping System
Applies uniform pressure to compress lamination stack during welding

Material: Hardened Steel
Control System
Programmable logic controller for automated operation and parameter adjustment

Material: Electronic Components
Ejection Mechanism
Pushes the finished rotor core out of the fixture at the end of the cycle.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Electric Motor Rotor Lamination Stacking and Welding Machine.

Manufacturers of Electric Motor Rotor Lamination Stacking and Welding Machine

Manufacturer profiles associated with Electric Motor Rotor Lamination Stacking and Welding Machine.

Sourcing Electric Motor Rotor Lamination Stacking and Welding Machine from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What rotor diameters can this machine handle?

According to the directory reference, the machine can process rotor diameters from 50 to 200 mm. However, the exact range may vary depending on the specific model and configuration. Always confirm with the manufacturer or supplier for your application.

What is the positioning accuracy of the lamination stacking?

The positioning accuracy is listed as ±0.05 μm. This precision ensures proper alignment of laminations for consistent rotor quality. Verify this value with the supplier for the specific machine model.

What are the electrical requirements for this machine?

The machine requires a three-phase supply voltage of 380 V AC ±10% (50/60 Hz) per IEC 60038. The total rated power is 20 to 40 kW, including servos and the welding system. Confirm the exact requirements with the manufacturer.

What is the cycle time for producing one rotor?

The cycle time ranges from 3 to 6 seconds per rotor assembly, depending on the rotor size and stack height. This is a reference range; actual cycle time may vary. Consult the supplier for specific performance data.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Electric Motor Rotor Lamination Stacking and Welding Machine

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Atmospheric (welding process pressure controlled internally)
other spec:	Lamination thickness: 0.35-1.0mm, Stack height: 20-200mm, Welding speed: 2-10 stacks/min
temperature:	Ambient to 50°C (operating environment)