Automatic Resistance Projection Welder for Car Brake Sheet Metal Carbon Steel

Name: Automatic Resistance Projection Welder for Car Brake Sheet Metal Carbon Steel
Brand: Chengdu Xinwei Welding Technology Co., Ltd.
Price: 22.00 USD
Availability: InStock

Quality Automatic Resistance Projection Welder for Car Brake Sheet Metal Carbon Steel factory

Basic Properties

Place of Origin:Sichuan, China

Brand Name:Xinwei

Certification:CE, RoHS, ISO

Trading Properties

Minimum Order Quantity:1 set

Price:$20,000-25,000 / set

Standard Packaging:wooden box

Delivery Time:25-45 working days

Payment Terms:L/C,D/A,D/P,T/T

Supply Ability:5 sets/month

Specifications

Product Name:	Automatic Resistance Projection Welder For Car Brake Sheet Metal Carbon Steel	Power (kw):	1000W
Rated Capacity:	100-250KVA	Voltage:	380 V, 220 V, 440V
Dimensions:	120017002200mm	Rated Duty Cycle:	50%
Usage:	Resistance Welders For Brake Base Plate	Warranty:	1 Year
After Warranty Service:	Video Technical Support, Online Support And Spare Parts	After-sales Service Provided:	Free Spare Parts, Field Installation, Commissioning And Training
Capacity:	100-250 KVA	Power Input:	3-Phase AC 380V, 220V, 440V
Max Welding Thickness:	3.0+3.0 To 6.0+6.0 MM	Duty Cycle:	50%
Max Force:	6000-15000 N	Working Stroke:	80 MM
Cooling Consumption:	20 L/min	Application:	Resistance Welders For Brake Base Plate
Highlight	Automatic Resistance projection welder , 250KVA projection welder , 1000W automotive resistance spot welder

Product Description

Automatic Resistance Projection Welder for Car Brake Sheet Metal Carbon Steel

Video Demonstration

Product Overview

Engineered for demanding automotive safety part fabrication, this automatic resistance projection welder delivers repeatable, high-strength joints on carbon steel (Q235, SPHC) and stainless steel sheet metal components. It is purpose-built for brake base plates, brackets, and mounting hardware, combining medium frequency inverter (MFDC) technology with a fully integrated automation cycle to support consistent throughput in high-volume production environments.

The machine performs both spot and projection welding with precise electrode force control, ensuring secure attachment of nuts, studs, and pre-formed projections without part deformation or weak weld nuggets. By pairing a closed-loop water cooling system with programmable PLC-based parameter storage, operators can switch between different workpieces quickly while maintaining weld quality standards required for critical safety components.

Key Technical Advantages

Dual-Mode Welding Flexibility

Supports both standard resistance spot welding and projection welding on a single platform, enabling optimal joint design for flat sheets, nuts, brackets, and other pre-formed features without additional tooling changes.

Consistent Electrode Force Control

Servo or high-precision pneumatic force systems deliver stable, repeatable electrode pressure on every cycle, reducing cold welds, part deformation, and inconsistent nugget formation during long production runs.

MFDC Energy Delivery for Deep Penetration

Medium frequency direct current power provides concentrated, rapid energy transfer that minimizes heat spread, lowers spatter, reduces electrode wear, and extends consumable service life during continuous operation.

Fully Automated Production Cycle

Integrated automatic part positioning, welding, and quality verification reduce manual handling and human error while improving overall production efficiency for brake component manufacturing lines.

PLC Touchscreen Programming

A user-friendly color HMI allows digital adjustment of current, time, and pressure, with multiple stored parameter programs for rapid, error-free changeovers between different weld specifications.

Automation-Ready Integration

Designed for seamless connection with industrial robots or rotary index tables, supporting unattended, continuous operation for manufacturers targeting high-volume output with minimal labor input.

Applications

Industry	Typical Workpiece	Welding Mode
Automotive Brake Systems	Brake base plates, brackets, mounting hardware	Projection welding of nuts and studs
Sheet Metal Fabrication	Carbon steel panels, stainless steel sheets	Spot welding and projection welding
Industrial Component Assembly	Brackets, supports, pre-formed projections	Projection welding for rigid joints
Automotive Aftermarket Parts	Replacement brake components, hardware sets	Dual-mode spot and projection welding

Working Principle

The projection welder uses medium frequency inverter (MFDC) technology to convert three-phase AC input into a controlled DC welding current. Pre-formed projections on the workpiece concentrate the electrical current and pressure at specific contact points, generating localized heat that fuses the materials into a strong metallurgical bond. A programmable PLC governs welding current, time, and electrode force, while a closed-loop water cooling system maintains stable temperatures in the transformer, arms, and electrodes for continuous operation.

Technical Specifications

Parameter	Unit	DN(B)-100	DN(B)-160	DN(B)-200	DN(B)-250
Rated power	KVA	100	160	200	250
Power input	V	3φAC 380V	3φAC 380V	3φAC 380V	3φAC 380V
Max. short circuit current	KA	30	35	40	45
Duty cycle	%	50	50	50	50
Max. force	N	6000	6000	10000	15000
Electrode length	MM	450	450	450	500
Working stroke	MM	80	80	80	80
Cooling consumption	L/min	20	20	20	20
Max. welding capacity	MM	3.0+3.0	4.0+4.0	5.0+5.0	6.0+6.0

After-Sales and Support

Free Spare Parts — Replacement consumables and wear parts are provided at no cost during the warranty period to minimize downtime.
Field Installation — Our technicians offer on-site installation, commissioning, and operator training to ensure your line is running at full capacity from day one.
Online Technical Support — Video-based and remote troubleshooting support is available after the warranty period for quick issue resolution.
Customization Service — Electrode design, automation integration, and machine configuration can be tailored to your specific workpiece requirements.

Frequently Asked Questions

What materials can this projection welder handle?

The machine is designed for carbon steel sheets (e.g., Q235, SPHC) from 1mm to 6mm thick, as well as stainless steel sheet metal. It performs reliably on materials with light coatings or surface oxidation.

Can the welder be integrated into an automated production line?

Yes, the system includes PLC-based controls and is compatible with industrial robots or rotary index tables, allowing for continuous, unattended operation in high-volume manufacturing environments.

What is the warranty period and after-sales support?

The welder comes with a 1-year warranty covering free spare parts, field installation, commissioning, and operator training. After the warranty, video technical support and online assistance remain available.

How does the MFDC power source improve weld quality?

Medium frequency direct current provides rapid, concentrated energy delivery with minimal heat spread, reducing spatter, lowering electrode wear, and ensuring consistent weld nugget formation on safety-critical parts.

Request Your Welding Solution

Send us your workpiece drawings and production requirements. Our engineering team will evaluate your application, configure the optimal solution, and provide a detailed proposal with electrode design and automation integration options.

Send Drawing | Request Welding Test | Get Custom Solution