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View All IPG Photonics Laser Products —VISIT CORPORATE WEBSITE✕

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Automated Laser Welding Cobot



 1. Home
 2. Products
 3. Cobot Systems
 4. LightWELD Cobot Systems



 1. Home
 2. Products
 3. Cobot Systems
 4. LightWELD Cobot Systems






LIGHTWELD® COBOT SYSTEMS

Overview Capabilities Safety Accessories Support FAQ
Overview
Overview Capabilities Safety Accessories Support FAQ

 

Compatible with any LightWELD laser source, the LightWELD Cobot System is a
collaborative robot laser welding system that makes automating a variety of
welding jobs easy no matter your experience level.

 

The system is purpose-built to maximize your shop's productivity by automating
repetitive welds, optimizing high-mix low-volume fabrication, and freeing up
skilled welders for other projects. 

 

 

Learn More - Download LightWELD Cobot System Brochure

Click for sound



1:17











SEE THE LIGHTWELD COBOT SYSTEM IN ACTION


— SIGN UP FOR A LIVE DEMO!

 * Cobot programming & control
 * Built-in presets for optimized welds
 * Welding steel, aluminum, copper, titanium, nickel alloys
 * Cleaning pre- and post-weld
 * Live Q&A

SIGN UP FOR A LIVE DEMO



FUTURE-PROOF YOUR SHOP BY EMPOWERING SKILLED WELDERS




AUTOMATE
REPETITIVE WELDS

Free up resources by saving the repetitive jobs for your cobot system so skilled
welders can focus on more complex welds.


MAXIMIZE
PRODUCTIVITY

Tear through repeat welds faster and more consistently, scrap fewer parts, and
reduce time-consuming grinding and rework.


ENHANCE
YOUR WELDERS

Enable your welders to get more done with a system that complements their skills
and optimizes their time.

AS EASY TO LEARN & OPERATE AS LIGHTWELD




 


NO PROGRAMMING EXPERIENCE REQUIRED

Teach your cobot with manual guidance in minutes by moving the robotic arm
through the required steps before saving the job with the push of a button.


 


CONTROL EVERYTHING FROM ONE SCREEN

An intuitive interface enables operators to select and save welding and cleaning
presets, adjust laser parameters, and control the robotic arm, all from a single
place.


LEVEL UP YOUR SHOP

 

The LightWELD Cobot System offers the flexibility and range of motion to tackle
a variety of welds no matter how you work.

 * Weld any mix of small, large, simple, or complex parts
 * Weld a variety of joints and materials and even upside down
 * Weld on the welding table or on adjacent work surfaces

Learn More

 


POWERED BY LIGHTWELD

AMERICA'S MOST POPULAR HANDHELD LASER WELDING TECHNOLOGY

 

The LightWELD Cobot System is powered by LightWELD, the same laser technology
that has revolutionized handheld laser welding and cleaning in shops across
America.

 

LightWELD laser technology enables welders to weld better and weld more with a
uniquely productive, efficient, and easy-to-learn tool.

 

Learn More



MAXIMIZE PRODUCTIVITY IN ANY SHOP




 


COMPACT & PORTABLE

THE LIGHTWELD COBOT SYSTEM FITS EASILY ONTO ALMOST ANY SHOP FLOOR AND IS EASY TO
RELOCATE AS YOUR SHOP EVOLVES.


 


SAFE & SECURE

INTEGRATED AND MODULAR FREE-STANDING SAFETY ENCLOSURES MAKE LASER SAFETY SIMPLE.


 


AUTOMATED LASER
WELDING

Easily weld a variety of thick, thin, and dissimilar metals with low heat input,
minimal distortion, and improved visual appearance.


 


 AUTOMATED PRE-WELD CLEANING

Skip manual cleaning and rapidly remove rust and other contaminants from
materials to improve weld quality.


 


AUTOMATED POST-WELD CLEANING

Improve visual finishes and remove heat discoloration with no need for dirty and
time-consuming post-weld grinding.


 


 

 


SWAP BETWEEN WELDING & CLEANING IN SECONDS

 

The LightWELD Cobot System welds and cleans from the same torch. Simply switch
to your desired mode and change out the nozzle, no tools required.




LIGHTWELD COBOT SYSTEM WELDING & CLEANING CAPABILITIES

 

 



 

Stainless Steel

up to 0.315"

Galvanized Steel

up to 0.315"

Mild Steel

up to 0.315"

Aluminum
3 & 5 Series

up to 0.315"

Aluminum
6 Series

up to 0.200"

Nickel Alloys

up to 0.275"

Titanium

up to 0.275"

Copper

up to 0.120"

Weld Seam Width

up to 5 mm

Pre- & Post-Weld Cleaning

up to 15 mm

Reach

1370 mm

Work Envelope

360°

Repeatability

± 0.020 mm

Welding Angle

Any

Tool Center Point Speed

up to 2 m/s

Motion

6-Axis

Payload

up to 12 kg

Robot Model

ABB CRB 15000 GoFa™


COBOT SPECIFICATIONS

 



 


 


EXTEND WELDING & CLEANING WIDTH

 * Simple on-the-fly control of up to 5 mm weld width and 15 mm of cleaning
   width
 * Wobble welding creates wider, more attractive seams
 * Seam parameters are preprogrammed and can be saved by the operator and
   recalled immediately as needed




 


WIRE FEEDING CAPABILITY

 * Optional wire welding capability extends laser welding applications to
   increase the weld bead size or overcome poor part fit-up
 * Can be used for stainless steel, mild steel, galvanized steel, nickel alloys,
   aluminum, copper, and brass
 * Wire feeding package includes wire feed unit, electrical connections, nozzle
   assembly, and LightWELD wire weld presets


SYSTEM SAFETY FEATURES

 

The LightWELD Cobot System combines a LightWELD laser source designed for safe
operation with a robotic arm purpose-built for safe collaboration with humans in
close proximity.

 

 * A variety of safety interlocks prevent operation by unintended operators or
   when the welding area is not secure
 * Emergency stop buttons on the robot and laser shut down the laser instantly
 * Rounded robotic arm geometry with power and force limiting
 * Robot automatically stops upon contact with unexpected obstructions



FLEXIBILITY FOR ANY SHOP ENVIRONMENT



 


COMPLETE COBOT SYSTEM

Get started with just the basics. Requires integration onto your shop floor into
a separate enclosed space for safe laser operation. 

 


INTEGRATED SAFETY ENCLOSURE

Add a removable safety enclosure built specifically for the LightWELD Cobot
System with integrated fume extraction, dual-channel interlocking doors, and a
viewing window.

 


LIGHTWELD STUDIO

Customize your workspace with 2 or more laser safe anodized aluminum walls.
Built from 4' or 6' modular panels and includes door, viewing window, and laser
safety signage.


LASER WELDING WIRE FEEDER

 

High-accuracy, robust feeding mechanism enhances LightWELD welding capabilities
with both hard and soft wire.

 * Wire Feed Delivery Length:
    * Steels and other hard wires: 10 ft.
    * Aluminum and other soft wires: 10 ft.

 * Wire Feed Speed Range: 0.5 – 230 ipm
 * Compatible Wire Diameters: 0.030” – 0.063”
 * Wire Reel Capacity: Up to 30 lbs. (12” diameter)
 * Compatible Wire Materials: Steel, Stainless Steel, Aluminum, Copper, Nickel
 * Power Requirements: 115 – 230 V 50/60 Hz
 * Weight and Dimensions: 30 lbs. I 20.5 in. L x 9.7 in. W x 16.5 in. H
 * User Controls: Feed Speed, Feed Delay, Retract Speed, Retract Time, Manual
   Jog, Jog Speed

Buy Now




LIGHTWELD CARBON FIBER LASER WELDING HELMET

The LightWELD Carbon Fiber Welding Helmet is a lightweight welding helmet
designed to provide unsurpassed operator protection. No ordinary carbon fiber,
the unique properties of the LightWELD carbon fiber helmet and lens system
produces a weld helmet that is designed to be compliant with EN207 directive and
offers impact protection to ANSI Z87+W16 rating.

 

Features

 * Superior Protection - Designed to meet EN207 DLB8 + ILB9 @ 1070nm and ANSI
   Z87+W16 rated
 * Carbon fiber shell – Ultra lightweight construction
 * Optical filters provide IR and UV protection, plus fixed welding shades for
   user comfort

Benefits

 * Enhances worker safety – impact and laser protection in one weld helmet
 * Lightweight construction reduces neck fatigue and boosts productivity
 * Protects user from laser and emitted radiation

Buy Now




GAS LENS NOZZLE

The precision gas lens nozzle is ideal solution for welders seeking to improve
gas shielding performance when welding materials sensitive to oxygen, moisture,
or other vapors or gases that may be present in the atmosphere. The improved
purging reduces formation of undesirable compounds in the weld that may lead to
excessive oxidation or structural defects.

 

Features

 * Precision Machined Diffusers
 * Wire Feed Compatible
 * Easy Installation

Benefits

 * Superior weld pool shielding
 * Reduced HAZ
 * Improved weld quality

Buy Now




LIGHTWELD SUPPORT AND SERVICE

Contact our dedicated LightWELD support team by phone, email or the form on this
page to:

 * Answer your questions
 * Request service
 * Order spare parts

Phone: +1 508.506.2877

Email: LightWELD@IPGPhotonics.com

 

VISIT THE LIGHTWELD ONLINE SUPPORT SITE TO ACCESS:

 * User Manuals
 * Welding Mode Charts
 * Support Videos
 * Spare Parts Portal

Access Support Site


 


LIGHTWELD SALES

 

Email: Contact-LightWELD@IPGPhotonics.com

 


CONTACT SUPPORT



 

WITH THE LIGHTWELD COBOT FABRICATION TOOLKIT, WHICH INTEGRATES LOW-COST
COMMERCIAL COLLABORATIVE ROBOTS FOR REPETITIVE WELDING TASKS, THE LIGHTWELD
SYSTEM CAN BE USED IN EITHER MANUAL OR AUTOMATED MANUFACTURING MODES TO IMPROVE
PRODUCTIVITY. THROUGH INTUITIVE AND EASY TO USE DRAG AND DROP PROGRAMING
COMBINED WITH MANUALLY GUIDED WAYPOINT PROGRAMMING, COBOT INTEGRATION IS AN
IDEAL SOLUTION FOR LOWER VOLUME, HIGH PRODUCT MIX APPLICATIONS.  

 

Productivity can be increased, as LightWELD offers the convenience of being
easily converted between manual and COBOT operation, particularly for more
complex projects not practical for the latter. Additionally, it is programmed
with ease for new projects and features fast change over for existing ones. To
reduce costs and optimize workforce for better utilization, employees can be
upskilled to undertake more productive tasks and critical projects. The use of
LightWELD also leads to improved product quality and consistency by eliminating
rework and scrap due to COBOT control of laser settings. Furthermore, the robot
runs at programmed speeds, ensuring a more uniform weld. 

An experienced integrator will be able to provide advice on which applications
are well suited for COBOT integration and which require more advanced laser and
robotic technology, such as high-volume production applications.  


THE COBOT INTEGRATION TOOLKIT PROVIDES THE FOLLOWING FEATURES: 


COBOT COMMAND SOFTWARE INTERFACE 

 * Manufacturer-specific application installs on robot controller. 
 * Allows COBOT to select LightWELD process parameters. 

MOUNTING CRADLE  

 * Tool-less mounting systems allow for easy switch between manual and COBOT
   welding. 
 * Two illuminated smart buttons enable free-drive mode and programming of
   waypoints. 
 * Robot tool center point training tip insert. 

COBOT CABLE MANAGEMENT SYSTEM 



REMOTE INTERFACE BOX 

 * Allows COBOT controller to remotely control laser emission. 
 * Provides feedback to robot when LightWELD is in “COBOT control” mode. 

DOCUMENTATION 



Contact Us




BENEFITS


THE LIGHTWELD COBOT FABRICATION TOOLKIT PROVIDES SEVERAL BENEFITS THAT MAKE IT
AND IDEAL COMPLEMENT FOR LIGHTWELD SYSTEMS.  

PRACTICALITY 

Easy removal of LightWELD for hand held laser welding when COBOT use is not
practical.

BETTER WELD QUALITY 

The angle of the weld tip is precisely controlled for optimum weld melt pool
formation, resulting in a superior weld.

INCREASED FLEXIBILITY 

Automatic selection of laser parameters increases flexibility and utilization of
the LightWELD unit. COBOT capability to control weld parameters enables separate
process recipe for the spot weld compared to the seam weld. No need for the
operator to change parameters.

SCRAP REDUCTION 

Elimination of human inconsistency ensures better production yield. For thinner
materials, risk of burn through may be eliminated. The COBOT starts and stops at
the same position every time, reducing rework.

BETTER PART TO PART CONSISTENCY 

The highly repeatable motion profile and capability to set the contact force of
the COBOT ensures that the tip stays right on the centerline of the joint during
welding.

IMMEDIATE PRODUCTIVITY 

COBOTs are quick and easy to setup.


FREQUENTLY ASKED QUESTIONS 

 

WHAT ARE GOOD APPLICATIONS FOR COBOT INTEGRATION? 

Low volume high product mix applications that can be welded by hand.  

 

WHAT ARE THE FIXTURING REQUIREMENTS? 

Repeatable fixturing and part fit up are required to hold the workpiece in
correct location for welding. 

 

WHAT COBOTS ARE SUPPORTED?

Fanuc and Universal Robots are currently supported. 

 

DOES IPG PROVIDE COBOT INTEGRATION SERVICES? 

No, IPG does not provide COBOT integration services. Integration of the COBOT is
solely the responsibility of the system integrator. 

 

HOW ARE ROBOT POSITIONS PROGRAMMED? 

A smart button interface enables programing COBOT positions using free drive
mode.  

 

CAN I USE MULTIPLE WELD PARAMETERS ON A PROJECT? 

Your welder will be interfaced with the COBOT control unit, this allows the
COBOT to trigger the laser and set weld parameters. 

 

DOES COBOT REPLACE TRADITIONAL ROBOTIC WELDING TECHNOLOGY? 

No, it does not. Traditional robotic welding systems often feature process and
equipment monitoring technology and operate at higher speeds and precision. An
experienced integrator will be able to provide guidance on applications suitable
for COBOTs. 

 


LIGHTWELD COBOT SYSTEM FREQUENTLY ASKED QUESTIONS (FAQ)

 

IS LASER WELDING EXPERIENCE NECESSARY?

Not at all. LightWELD laser welding technology is easy to learn no matter your
welding experience, laser or otherwise. All LightWELD systems come preloaded
with more than 100 welding and cleaning parameters for the most common materials
and thicknesses. You can also create your own custom recipes to match your
travel speed and desired weld penetration.

 

DO I NEED ROBOT EXPERIENCE TO USE A COBOT?

The LightWELD Cobot System (LWCS) does not require operators to program with
code (although that is an option, if preferred). Instead, LWCS is most commonly
taught by manually guiding the robotic arm through a welding or cleaning job.
The arm can remember hundreds of jobs and will perform the steps and motions for
a specific job whenever needed.

 

ARE COLLABORATIVE ROBOTS INTENDED TO REPLACE HUMAN WELDERS?

No. Just the opposite, actually. Cobots are designed to work alongside humans to
help with a variety of jobs and tasks. The LightWELD Cobot System requires a
skilled welder to teach it how to perform various welding jobs.

Cobots are like any other tool — they are inteded to help creators and craftsmen
be faster and more efficient and to enable the production of higher quality end
products.

 

WHY WOULD I BUY A COBOT INSTEAD OF JUST HIRING A SKILLED WELDER?

The LightWELD Cobot System is designed to help skilled welders be more
productive. While the system is capable of a wide variety of welding and
cleaning tasks, it is particularly well-suited for handling repetitive and
unfulfilling welding jobs. Working more efficiently through this type of weld
helps skilled welders spend their time on more challenging and interesting
welds. As a bonus, the high repeatability and precision of LightWELD Cobot
Systems reduces the amount of time welders must spend on rework and grinding.

 

WHY SHOULD I USE A LASER WELDING COBOT INSTEAD OF AN ARC WELDING COBOT?

Laser welding should be thought of as another tool in your welding toolbox and
does not replace traditional welding methods in every application. However,
laser welding offers a number of advantages over MIG & TIG welding:

 * Up to 4X faster welding speeds
 * Reduced heat-affected zone
 * Higher precision and repeatability
 * Minimal post-weld processing required
 * Higher energy efficiency and reduced consumables
 * Less experience required to create excellent welds
 * Better results in vertical and upside down welds

 

WHERE IS THE LIGHTWELD COBOT SYSTEM MADE?

All LightWELD products sold in the United States are manufactured in the United
States.

 

WHAT IS LIGHTWELD TECHNOLOGY?

LightWELD is a handheld laser welding and cleaning technology designed to
maximize productivity and weld quality. LightWELD and handheld laser welding are
established solutions for welders and fabricators around the world.

The same LightWELD technology powers the LightWELD Cobot System. If needed, the
LightWELD handheld system can be toollessly disconnected from the cobot system
for handheld use.

 

IS LASER WELDING SAFE?

Laser welding requires some safety measures like any other welding method. Laser
welding is safe provided operators and bystanders wear the appropriate personal
protective equipment (PPE) and the laser is operated in a laser safe enclosure.

Safety is the number one priority for all LightWELD systems, which ship with
included laser safety glasses and laser safe welding helmets. LightWELD laser
units include features like emergency stop buttons, safety interlocks, and easy
integration with welding areas to shut down the laser if the door is opened
unexpectedly.

 

CAN LIGHTWELD WELD DISSIMILAR METALS OR PARTS WITH DIFFERENT THICKNESSES?

Yes, you can easily weld dissimilar metals like copper to stainless steel or to
aluminum, plus parts with different thicknesses across a variety of weld joint
types.

 

WHAT IS LIGHTWELD'S DUTY CYCLE?

You can run LightWELD at 100% duty cycle at maximum laser power.
 

CAN LIGHTWELD BE USED WITH WIRE?

LightWELD offers seven modes of operation to match your needs:

Wire Welding: standard MIG wire is fed into the laser weld to increase the size
of the weld bead or overcome poor part fit-up

Fusion Welding: the laser produces a constant stream of light for maximum
penetration and travel speed

Pulsed Welding: the laser produces pulses of light to lower travel speed and
heat input, creating a "stacked dimes" appearance

Tack Weld: the laser delivers a controlled amount of energy to produce identical
tack welds

Stitch Welding: used for creating multiple tack or overlap welds

High Peak Power Mode: short bursts of high power are used to weld reflective
metals

 

HOW DO I BUY A LIGHTWELD COBOT SYSTEM?

Contact Us and a LightWELD specialist will get back to you ASAP.

LightWELD Cobot Systems are made in the USA for sale in the USA.

GETTING STARTED IS EASY

 

Not sure where to start? Our laser welding experts can get you up and running
quickly with onsite installation and training, application evaluations, and
more.

Get Started

Overview Features Specifications Resources Options Software
Overview
Overview Features Specifications Resources Options Software


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Note on the processing of your data collected on this website in the USA: We
would like to point out that your data will be processed in the USA in relation
to individual cookies and service providers. The USA is rated by the European
Court of Justice as a country with an insufficient level of data protection
according to EU standards. In particular, there is a risk that your data may be
processed by US authorities for control and monitoring purposes, possibly
without the possibility of legal redress.



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