Name: CNC MultiSpot Welder for Motor Casing and Generator Assembly Welding
Brand: XinWei
Price: 70 USD

Product Details
Company Profile

CNC Multi-Spot Welder for Motor Casing and Generator Assembly Welding

3-Phase CNC Multi-Gun Array Welding System for Motor and Generator Housings — Servo Indexing, Programmable Multi-Point Sequence, 100-250KVA

Welding Guns

Multi-Gun Array

Control

CNC Programmable

Power

100 - 250 KVA

Application

Motor / Generator Casings

Why a CNC Multi-Spot Welder for Motor and Generator Production

Motor casings and generator housings require tens to hundreds of spot welds on a single workpiece. Welding these points one at a time on a single-gun machine creates an unacceptable bottleneck: each index-and-weld cycle takes 3-5 seconds, and with 50+ weld points per part, cycle times stretch into minutes. Beyond throughput, sequential single-gun welding introduces cumulative thermal distortion as the workpiece heats unevenly from repeated localised heating.

This Xinwei CNC multi-spot welder solves both problems through its multi-gun array architecture. Multiple coordinated welding guns, mounted on a rigid frame, execute weld points in programmed sequence as the workpiece indexes via servo drive. The CNC controller orchestrates which guns fire, at what parameters, and in what order. This parallelised approach reduces per-part cycle time by 60-80% compared to sequential single-gun welding while distributing heat input more evenly across the workpiece, minimising thermal distortion on precision motor components.

How Multi-Gun CNC Welding Transforms Motor Production

1. Multi-Gun Array with CNC Sequencing: 50+ Welds in One Cycle

Instead of indexing the workpiece to a single gun for each weld point, multiple welding guns are pre-positioned around the fixture. The CNC controller fires guns in programmed groups as the workpiece indexes through servo-driven positions. This transforms what would be 50+ sequential cycles on a single-gun machine into a continuous automated sequence that completes all weld points in one pass. For motor casing production at scale, this is the difference between a bottleneck station and a line-paced operation.

2. 3-Phase Balanced Power: Stable Input for Multi-Gun Simultaneous Firing

Multi-gun welding places heavy demands on the power supply. The 3-phase input design balances the electrical load across phases when multiple guns fire simultaneously, preventing voltage sag that would compromise weld quality. This is a fundamental advantage over single-phase systems that would require sequential firing to avoid overloading a single phase, defeating the throughput benefit of a multi-gun architecture.

3. CNC Programmable: Flexible for Multiple Motor Casing Variants

The CNC control unit stores complete welding programs for each motor casing variant. When production shifts from one part number to another, the operator loads the corresponding program. The system automatically adjusts the firing sequence, weld parameters, and indexing positions. This makes the machine practical for manufacturers producing multiple motor models rather than a single dedicated high-volume line, protecting the investment against product changes.

4. Precision Pneumatic Pressurisation: Consistent Weld Quality Per Point

Each welding gun in the array is equipped with a precision pneumatic pressurisation system. The CNC controller sets individual force parameters per gun, allowing different weld points on the same workpiece to receive different electrode forces as the joint design requires. This level of per-point parameter control is essential for motor casings where weld positions on flanges, brackets, and mounting points each have distinct thickness and joint configurations.

Single-Gun Sequential vs Multi-Gun CNC Welding

Factor	Single-Gun Sequential Welder	Xinwei CNC Multi-Gun Welder
50-Point Cycle Time	~4-6 minutes (3-5 sec per point + indexing)	~1-2 minutes (parallel group firing)
Thermal Distortion	Cumulative; uneven heating across workpiece	Distributed heat input; reduced distortion risk
Model Changeover	Manual gun repositioning for each variant	CNC program recall; automatic parameter loading
Power Supply	Single-phase; voltage sag under load	3-phase balanced; stable multi-gun firing
Per-Point Control	Same parameters for all points	Individual force and current per gun position

Application Scenarios

● New Energy Vehicle Motor Casing Production

EV motor housings require dense multi-point welding for structural integrity and electromagnetic shielding. The CNC multi-gun approach delivers the throughput needed for automotive production volumes while maintaining consistent weld quality at every point. The stainless steel and aluminium compatibility supports both rotor and stator housing variants.

● Industrial Motor and Generator Housing Assembly

Large industrial motors and generator sets with complex housing geometries benefit from the programmable multi-point sequencing. The CNC controller handles the varying weld positions, joint thicknesses, and material combinations typical of industrial motor assemblies produced in medium batch sizes.

● Complex Metal Enclosure and Structural Assembly

Any sheet metal assembly requiring tens of spot welds in precise locations benefits from the multi-gun architecture. The CNC programmability and servo indexing make it suitable for components where weld position accuracy directly affects assembly fit and function.

Technical Specifications

Parameter	Specification
Rated Capacity	100 / 160 / 200 / 250 KVA
Input Power	3-phase AC 380V (220V available)
Duty Cycle	50%
Welding Guns	Multi-gun array, CNC coordinated
Control System	CNC programmable, multi-recipe storage
Indexing	Servo-driven precision positioning
Welding Materials	Stainless Steel, Aluminium, Carbon Steel
Dimensions	Customised (application-specific)
Warranty	1 Year
Certifications	ISO, CE

Ready to Multiply Your Motor Casing Welding Throughput?

Send us your motor casing drawings for a custom multi-gun configuration study and free welding feasibility test.

info@xwweld.com | +86-13378111895

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Categories	Automatic Spot Welder
MOQ:	1 set
Place of Origin:	Sichuan, China
rated duty cycle:	50%
After-sales Service Provided:	Free spare parts, Field installation, commissioning and training
Product Name:	CNC Multi-Spot Welder for Motor Casing and Generator Assembly Welding
Delivery Time:	25-45 working days
dimensions:	Customized
Brand Name:	XinWei
Supply Ability:	10 sets per month
condition:	New
Certification:	CE, RoHS, ISO
voltage:	220V/380V
warranty:	1 Year
power (kw):	1000W
Price:	$70,000-90,000 / set
Payment Terms:	D/A,L/C,D/P,Western Union,T/T
rated capacity:	100/160/200/250KVA
MOQ:	1 Set
Packaging Details:	wooden box

CNC Multi-Spot Welder for Motor Casing and Generator Assembly Welding

CNC Multi-Spot Welder for Motor Casing and Generator Assembly Welding

CNC Multi-Spot Welder for Motor Casing and Generator Assembly Welding

CNC Multi-Spot Welder for Motor Casing and Generator Assembly Welding

3-Phase CNC Multi-Gun Array Welding System for Motor and Generator Housings — Servo Indexing, Programmable Multi-Point Sequence, 100-250KVA

Why a CNC Multi-Spot Welder for Motor and Generator Production

How Multi-Gun CNC Welding Transforms Motor Production

Single-Gun Sequential vs Multi-Gun CNC Welding

Application Scenarios

Technical Specifications

Pneumatic multi spot welder

CNC multi spot welder

3 Phase multi spot welding machine

CNC Multi-Spot Welder for Motor Casing and Generator Assembly Welding