In this guide, we’ll explore the critical components and key considerations involved in constructing a complete hand-held laser welding machine. From selecting the right laser source to deciding between water-cooling and air-cooling systems, this step-by-step overview will help you craft a reliable and efficient welding solution.

At Sky Fire Laser, we provide a comprehensive Checklist to Make a Whole Laser Welding Machine to guide you through the process.

 

Machine Cover: Protecting Your Laser Welder’s Core

The machine cover serves as a protective shield for the internal components of your laser welder. Its design will vary based on the cooling method you choose:

1. Water-Cooled Laser Welding Machines: These machines require larger covers to house the additional chiller, ensuring optimal temperature regulation during operation.
2. Air-Cooled Laser Welding Machines: More compact covers are sufficient since no chiller is needed, making these models more lightweight and portable.

 

Chiller: Essential for Water-Cooled Laser Sources

A chiller is a vital component for water-cooled laser sources, ensuring stable temperatures for optimal performance. Modern designs often integrate the chiller within the machine cover for a more streamlined and efficient setup.

 

Laser Source: The Heart of Your Laser Welder

Selecting the right laser source is critical for meeting your welding requirements.

1. •Water-Cooling Laser Source: Best suited for high-power applications, offering reliable performance at outputs typically between 1000W to 3000W.
2. Air-Cooling Laser Source: Designed for lighter applications, with power ratings ranging from 800W to 1200W. Compact and convenient, these are perfect for projects where portability and efficiency are key.

 

Laser Welding System: Choosing the Right Configuration

The laser welding system is the core of your setup. Depending on your budget and performance needs, there are various options tailored for water-cooling and air-cooling welders.

 

Cost-Effective Option for Water-Cooling Welder: Raytools BW101-GS (3-in-1) Laser Welding System

Components Included:

• Handheld Welding Head: 1 unit

• Handheld Welding Control System: 1 unit

• Raytools Handheld Welding Touch Screen Software: 1 unit

• Switching Power Supply: 1 unit

• Standard Accessories Package: 1 unit

• Motor Cable: 1 unit

• Wire Feeder: 1 unit

• Switching Power Supply Cable Kit: 1 unit

 

Advanced Option for Water-Cooling Welder: Superlasercut SUP21T (4-in-1) Laser Welding System

Components Included:

• Laser Welding Head SUP21T: 1 unit

• Wire Feeder SUP-AMF-A: 1 unit

• Controller System: 1 unit

• LCD Display: 1 unit

• Switch Power Supply (15V & 24V): 2 units

• System Cable: 2 units

• Wire Feeder Signal Cable (10m): 1 unit

• Wire Feeder Power Cable (5m): 1 unit

 

Option for Air-Cooling Laser Welder:Raycus Laser Welding System

Components Included:

• Laser Welding Head: 1 unit

• Wire Feeder: 1 unit

• Controller System: 1 unit

• LCD Display: 1 unit

• Power Supply LM35010A24: 1 unit

• Power Supply LM75-23B24R2-C: 1 unit

• Nozzles: 8 units

• Protective Lens: 5 units

 

Electrical Parts: The Backbone of Your Laser Welder

The electrical components are critical to the smooth operation of your laser welder. This includes essential items such as: Switches, Relays, Wires, Buttons, etc.

For detailed specifications and a complete list of electrical parts required for building a water-cooled fiber laser welder, download the comprehensive PDF guide. This resource ensures you have all the necessary components for a reliable and efficient setup.

 

Consumable Parts: Ensuring Continuous Operation

To maintain optimal performance, it’s essential to have a steady supply of consumable parts. We offer a one-year supply of consumables tailored for your laser welding system, which includes:

• Protective Lens

• Focus Lens

• Seal Ring

• Collimating Lens

• Welding Copper Nozzle

• Wire Feeding Copper Nozzle

• Calibration Tube

• Cutting Copper Nozzle

 

Component List and Prices of 1500W Water-Cooled Laser Welding Machine DIY Project

For those interested in a specific project, here’s a detailed component list and prices for building a 1500W water-cooled laser welding machine:

Components	Quantity	Unit	Price
BWT Laser Source for Welding 1500W	1	unit	US$1,090.00
Laser Welding System SUP 21T (including wire feeder)	1	set	US$989.00
S&A Chiller	1	unit	US$504.00
Electrical Parts	1	set	US$250.00
Air Conditioner (Optional)	2	unit	US$0.00
Total			US$2,833.00

 

Welding Parameters for Various Materials

Carbon Steel

Thickness (mm)	Scanning Speed	Scanning Width (mm)	Peak Power (W)	Duty Cycle	Pulse Frequency	Wire Feeding Speed (cm/s)	Welding Wire
1	300	3	350	100	2000	60	1
2	300	3	700	100	2000	60	1.2
3	300	3	1100	100	2000	60	1.2
4	300	3	1500	100	2000	60	1.6
5	220	3	1800	100	2000	50	1.6
6	220	3	2200	100	2000	50	1.6
8	220	3	3000	100	2000	40	2

 

Aluminum

Thickness (mm)	Scanning Speed	Scanning Width (mm)	Peak Power (W)	Duty Cycle	Pulse Frequency	Wire Feeding Speed (cm/s)	Welding Wire
1	300	3	500	100	2000	60	ER5356 1.0
2	300	3	800	100	2000	60	ER5356 1.2
3	300	3	1400	100	2000	60	ER5356 1.2
4	300	3	1800	100	2000	60	ER5356 1.6
5	220	3	2000	100	2000	50	ER5356 1.6

 

Stainless Steel

Thickness (mm)	Scanning Speed	Scanning Width (mm)	Peak Power (W)	Duty Cycle	Pulse Frequency	Wire Feeding Speed (cm/s)	Welding Wire
0.5	300	2	260	100	2000	80	ER304 0.8
0.8	300	2	300	100	2000	80	ER304 0.8
1	300	3	350	100	2000	60	ER304 1.0
2	300	3	700	100	2000	60	ER304 1.0
3	300	3	1100	100	2000	60	ER304 1.2
4	300	3	1500	100	2000	60	ER304 1.2
5	220	3	1800	100	2000	50	ER304 1.6
6	220	3	2200	100	2000	50	ER304 1.6
8	220	3	3000	100	2000	40	ER304 2.0

 

Practical FAQ

Who should read this guide?

This guide is written for laser machine buyers, technicians, integrators, repair teams, and DIY builders who need practical context before selecting equipment, parts, or parameters.

Can I apply these recommendations directly to my machine?

Use the recommendations as a starting point. Always verify the laser source, cutting or welding head, controller, material, gas, cooling, grounding, and safety setup before changing machine parameters.

What should I read next?

Pair this article with the Technical PDF Library for wiring diagrams, parameter tables, manuals, and checklists, or watch the Laser Insights China video library for field interviews and build examples.