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We will build a high-performance team, make future development plans, and give full play to the advantages of the team.

 

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We have advanced equipment, skilled workers, and exquisite craftsmanship to process products, and have strong production capacity, with an annual output of 50,000 machines.

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DSL will create a one-stop solution for a full range of plastic pipe welding equipment. We can also purchase other products you need.

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Provide plastic pipe welding technology, design, training and after-sales service to our customers.

 

 

What is Extrusion Welder

 

 

Extrusion welding is one of the processes used to weld thermoplastics and composite materials and was developed in the 1960s as a development of hot gas welding. It can be a manual or automated process. The process uses a welding head that has a hot air nozzle and an extruder that pushes the filler material out. The process requires heating the joining surfaces and adding molten or plasticized filler material by extruding it through a die.

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Benefits of Extrusion Welder

 

 

Fast and efficient
The extrusion welder can generate high temperatures to quickly melt metal materials to achieve a connection between metals. The extrusion welding machine has high working efficiency and can generally complete the welding operation within a few seconds, greatly improving work efficiency.

 

High welding quality
Extrusion welding machines produce a fine welding arc to ensure the quality of welded joints. Compared with traditional welding methods, the welding machine has high welding strength, has little environmental impact, and the connected metal materials are not easily deformed.

 

Wide range of applications
The extrusion welding machine can be used for welding a variety of metal materials, such as steel, aluminum alloys, copper and other alloy materials.

 

Easy to operate
The operation of the extrusion welding machine is relatively simple. You only need to be familiar with the welding method used and master the current, voltage, power and other parameters before you can perform welding operations.

 

Strong controllability
The extrusion welding machine can change the arc state during the welding process by adjusting parameters such as current and voltage, making the welding more stable and avoiding annealing during welding.

 

Economical and practical
Compared with other welding methods, the investment cost of extrusion welding machines is relatively low. At the same time, as the energy source for welding machines, electric energy is more economical and convenient than other energy sources such as gas.

 

High security
Compared with traditional gas welding and fire welding, the extrusion welding machine is safer and more reliable to use. Electric welding generally does not require the use of flammable and explosive gases such as oxygen and coal gas. It can complete the welding operation without generating sparks and heat, which greatly reduces safety risks.

 

Application of Extrusion Welder
Extrusion Welding Gun
Extrusion Welding Gun
Extrusion Welding Gun
Extrusion Welding Gun

Industrial manufacturing
Extrusion welder are commonly used in the production of metal products in industrial manufacturing. Whether it's steel, aluminum alloys stainless steel or copper and other metal materials can be joined by extrusion welder. In automotive manufacturing, aerospace Extrusion welder are widely used in industries such as shipbuilding to weld vehicle bodies, engines, aircraft fuselages, and ship structures During the manufacturing process of components.

 

Construction
Extrusion welder are also one of the common tools in the construction industry. During the construction process, it is necessary to pay attention to the large amount of gold welding processing is carried out on beams, steel structures, pipelines, etc., and extrusion welder can achieve these connections. For example, in high-rise buildings in construction projects such as buildings, bridges, and tunnels, extrusion welder are used to connect materials such as steel and aluminum to ensure structural integrity Firm and stable.

 

Mechanical manufacturing and maintenance
In the process of mechanical manufacturing, extrusion welder are often used to manufacture industrial equipment and mechanical components items, etc. Welding can achieve the connection of parts, provide strength and durability, and enable mechanical equipment to work effectively stable. Meanwhile, in the field of mechanical maintenance, extrusion welder also play an important role. Through welding repair, it is possible torepair mechanical parts, restore their function, and extend their service life.

 

Home and art applications
Extrusion welder also have some home and art applications. For example, welding can remove metal from zero connect pieces into various furniture, gardening tools, etc. Meanwhile, in the field of art, welding can create metal sculptures decorations, lighting fixtures, and other artistic works add an artistic atmosphere to indoor and outdoor environments.

 

Agriculture and fisheries
Extrusion welder are also required in agriculture and fisheries. In agriculture, extrusion welder are often used to repair crops Tools, such as tractors, harvesters, etc. In fisheries, welding technology can be used to make fishing nets and ship repairs waiting for work.

 

Pipeline and pipeline
The construction of pipelines and pipelines also relies on extrusion welder. Welding can connect pipes and pipelines connect to ensure the integrity of fluid transmission and delivery. Welding technology is widely used in industries such as oil and natural gas widely used for the installation and maintenance of pipelines.

 

Components of Extrusion Welder
 
1. Power supply part

The power supply part is the core component of the welding machine, mainly composed of transformers, capacitors, and electrical components Composed of resistors and other components. Its function is to boost low-voltage current through a transformer, convert it into high-voltage current, and use it for welding Take on work.

2. Electrode clip section

The electrode clip section is composed of electrode clips, electrodes, wires, etc. Electrode clamp is used to clamp electricityThe electrode is a welding material that transfers current. The wire transfers current from the power supply to the electrode Clamp part.

3. Cooling system

During welding, a large amount of heat is generated. In order to protect the welding machine from overheating and damage, the welding machine also We need a cooling system. Cooling systems are usually achieved through water or air cooling to reduce the operation of welding machines Temperature.

4. Control panel

The control panel is an important component of the welding machine, which includes current regulation and voltage regulation Functions such as section and electrode spacing adjustment are used to adjust parameters such as current and voltage during welding to ensure welding quality Quantity.

5. Protection device

The protection device is set up to protect the safety of the welding machine and the operator, such as overload Protection, short circuit protection, leakage protection, etc. Once an abnormal situation occurs, the protection device will immediately stop the welding machine
Work to ensure safety.

 

How to Choose Extrusion Welder
 

Know Your Welding Method
First things first, you have to know how you're going to weld before buying a Extrusion Welder. Not all Extrusion Welder provide the means for multiple methods. There are multi-process Extrusion Welder that allow you to conduct TIG, MIG, and Stick welding. Some machines, on the other hand, will only allow for one or two types of welding. So, to make sure you've got the right gear for the task at hand, know which method you'll be carrying out with it.

 

Know What You Want To Weld
One of the most important factors to consider when choosing a welding method is the type of metal you're welding. If you're welding stainless steel, you have a variety of options as far as welding methods go; MIG, TIG, and Stick welding are all suitable choices. If you're going to be welding aluminum, then you should avoid using methods like stick welding. The reason for this is due to the various properties of each type of metal you can weld with. Some metals have different levels of durability, corrosiveness, and electrical conductivity than others.

 

Take Your Experience Into Account
All welding methods have their benefit, but they're not all so easy for novice welders to learn. If you're still a novice, we recommend starting off with MIG welding because it's easy to learn and provides you with a means of completing high-quality welds in ample time. We don't recommend jumping right into stick welding. That being said, you can certainly work your way up to it once you leave that novice stage. If you try to jump into a complex welding method without the right knowledge or experience, you'll most likely wind up with injuries and low-quality welds. We recommend avoiding both.

 

Think About the Price
The money you're willing to pay also plays a key role in buying the right Extrusion Welder. This section will show you how to buy the right machine at the right price. Keep in mind that you don't have to break the bank to get a Extrusion Welder, but these aren't $30 machines. Set a budget but do so realistically so you aren't buying low-quality machines solely for the cheaper price, which is an issue we'll dive deeper into later on.

 

Prioritizing Amperage and Voltage Is Essential
The amperage and voltage you need for your welds play a role in determining your budget. The more amperage (or“current”) you need, the more you'll have to spend on a machine. If you're welding thicker metals, you're going to need a machine that provides you with high amperage levels. Thin metals don't require quite as much power for completing quality welds.

 

Extrusion Welding Gun

 

Process Of Extrusion Welder

Preparation Phase
Scrape the surface to remove the oxidized layer which always occurs on the outside of the plastic materials. You may also use a die grinder or similar tool to ensure you achieve at least 0.2mm of the surface removed. Failure to remove the oxidized layer will create a barrier between the surfaces to be welded.Do not use Grinding or Sanding / flap wheels as they tend to burn and leave deposit residue behind which can affect the success of the weld.

Heating & Welding Phase
The right heating temperature depends on the thermoplastic material being used. For example, polyethyleneusually falls between 220°C to 280°C depending on its type and grade of material. However they do vary, and it is always recommended to follow the manufacturer's guidelines.

Cooling Phase
Once you're done with the welding gun, allow the fusion joint to cool down without movement.Once cooled, inspect the joint to ensure no issues such as misalignment, gaps, burn marks or voids are present.Refer to the manufacturer's guide of the specific thermoplastic material you used, to know how much time is required to cool down. For polyethylene with welds 10 to 20mm thick, 10 minutes is sufficient. Note that the thicker the material, the more time is needed.Ensure you follow manufacturer guidelines relating to cool down and shut down of the extrusion welding gun, this supports longevity of your equipment.

How to Maintain Extrusion Welder
 

Keep It Covered When Not In Use
Using a cover is one of the most straightforward steps you can take to maintain your Extrusion Welder and often one of the most overlooked. In most fabrication environments, dust, grime, and metallic particles settle and adhere to almost every surface. Just as these can make you sick, they can seriously impair the proper function of your machine.

 

Turn Off The Gas And Purge Your System
Purging is a good habit to get into whenever you shut down your machine for the day. Turning off your gas bottle and purging the shielding gas from your machine and MIG gun will extend the life of hoses, fittings, valves, regulators, and solenoids and prevent the loss of costly gas if a leak happens to develop while you are away.

 

Hang It Up
When you finish working for the day, coil your MIG gun loosely and hang it up off the floor. Not only is this a good general practice for keeping your work area clean, but it will also prevent your MIG gun from becoming damaged when not in use and keep the liner from becoming kinked from being would too tightly.

 

Inspect The Ground Lead And Clamp
It can be easy to take ground leads and clamps for granted. We tend to assume that it’s doing its job if the clamp is touching the workpiece or table. The truth is that your ground lead and clamp serve a critical function in the welding process, and they need a little attention from time to time when doing Extrusion Welder maintenance.

 

Inspect The Cables
Cable checks are just as crucial for safety as it is for the proper function of your equipment. First, unplug your machine. Then start at the back and inspect the power cord for cuts, burn marks, cracks, and any other damage. Ensure that the plug is installed correctly and fits tightly into the socket.

 

Inspect Gas Hoses And Fittings
Ensure the shielding gas tank is properly secured. Turn on the tank valve and set the output flow rate, then shut off the tank. Inspect the tank and valve for visible damage. Do the same for the hoses, regulators, and fittings.Wait until at least fifteen minutes have elapsed and check the output gauge. If the reading is lower than initially set at, you have a leak. Fill a spray bottle with soapy water and begin spraying your fittings and hoses. You should see bubbles where the leak exists.

 

 

 
Our Factory

 

DSL Fusion Technology is a China-thailand joint venture company, has been a key player in the field of supplying plastic pipe welding machinery for 8 years. To gain a good reputation, DSL team not only provide good quality machinery, but also provide plastic pipe welding technology, design, training and aftersale service to our clients. In the past 8 years, with our quality products and good service, we now export a Chinese-engineered plastic pipe welding machinery range to 70 countries worldwide.

 

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FAQ
 

Q: What does extrusion mean in welding?

A: Extrusion welding is a manufacturing method used to join thermoplastic and composite materials. It relies on the use of a specialized welding machine to heat and melt plastic filler material and heat the base material to prepare it for welding. The molten filler material is then extruded onto the heated base material.

Q: What is the process of extruder welding?

A: The extruder screw grinds the welding rod into granules. The resulting granulate is then fed into the melting chamber (5) where it is melted. The mass then continues through the barrel to the pre-formed, interchangeable, PTFE shoe (6), where it is formed to the shape of the seam required.

Q: What is the temperature for extrusion welding?

A: Typical extrusion welding temperatures for PP should be in the region of 230°C (446°F) for the extrudate and 250°C (482°F) for the preheat gas. For HDPE, the extrudate temperature should be around 240°C (464°F) and the preheat gas temperature should be around 260°C (500°F).

Q: Why is extrusion better than casting?

A: The size of the products is also completely dependent on the size of the billets used. Extruded aluminum products are generally harder and stronger than their die-cast counterparts and have a smoother finish. Furthermore, extrusion dies are relatively cheaper than die-cast moulds and are easier to make.

Q: What is the purpose of extrusion?

A: Extrusion is a process to create a specific shaped object by pushing a material through a die. The die is a little disk with an opening of a specific size and shape. When the material is put under pressure through the die, it will create a desired shape. Often the die is made of steel.

Q: Do you push or pull an arc welder?

A: Put in simpler terms, you should be pulling the rod towards you when using any welding process that produces slag. This includes submerged arc welding, electroslag welding, flux-cored arc welding and shielded metal arc welding (SMAW), more commonly known as stick welding.

Q: Do you drag or push a stick welder?

A: Always pull (or drag) your stick welds. If you try and push your electrode, all you're going to do is trap the protective slag inside the weld pool, where it will be the opposite of protective. It'll contaminate your weld instead.

Q: How hot is the hottest welding?

A: While different metals require different temperatures, arc welding is usually performed with an arc temperature of roughly 10,000 degrees Fahrenheit. Of course, this still cooler than plasma torch welding, which can reach up to 50,000 degrees Fahrenheit, but electric arcs are incredibly hot nonetheless.

Q: What is the pressure for extrusion?

A: The pressure inside the extruder barrel during the extrusion process is high. Barrels for most extruders are designed to withstand operating pressures up to 10,000 psi or 700 bar. Normal operating pressures generally range between 1,000 and 5,000 psi. or 70 and 350 bar. Too much pressure could rupture a barrel.

Q: What does a plastic welding gun do?

A: A specifically developed welding gun generates very hot air using a feed just for plastic, which enables the various components to melt and then join together.

Q: What does extrusion mean in welding?

A: Extrusion welding is a manufacturing method used to join thermoplastic and composite materials. It relies on the use of a specialized welding machine to heat and melt plastic filler material and heat the base material to prepare it for welding. The molten filler material is then extruded onto the heated base material.

Q: How do you weld plastic together?

A: You need an electric welding gun and an appropriate welding rod to complete the repair. After you clean and identify the plastic, use the heat of the gun to gradually melt and join the plastic together. Finish the weld by smoothing it out to create a fix that is stronger and cheaper than a new piece of plastic.

Q: Is plastic welding worth it?

A: Plastic welding, carried out correctly, can provide extreme strength. It is used in repair of automotive parts, including plastic bumber bars, which are required to hold high strength after welding. Equipment and the material itself can also have an impact on weld strength.

Q: Can you weld plastic with a soldering gun?

A: Tools: Soldering iron with adjustable temperature. Temperature: I started at 210 because that is what I usually use to extrude PLA. If you go to high, you risk burning the plastic. I ended up going up to 230 to get more heat into the plastic and did not burn it.

Q: Why is extrusion better than casting?

A: The size of the products is also completely dependent on the size of the billets used. Extruded aluminum products are generally harder and stronger than their die-cast counterparts and have a smoother finish. Furthermore, extrusion dies are relatively cheaper than die-cast moulds and are easier to make.

Q: Do plastic welding guns work?

A: This heating tool can weld various thermoplastic materials—including TPO and PVC for roofing, flooring, tarps, plastic fabricating, and much more.If you've ever tried fixing a broken plastic item, you know that regular glue sometimes just doesn't cut it. That's where plastic welding comes in. Of course, since hot air welding is a melting process, you will need heat — lots of it. This is why the heat gun is one of the most effective tools in plastic welding.

Q: What is the temperature for extrusion welding?

A: Typical extrusion welding temperatures for PP should be in the region of 230°C (446°F) for the extrudate and 250°C (482°F) for the preheat gas. For HDPE, the extrudate temperature should be around 240°C (464°F) and the preheat gas temperature should be around 260°C (500°F).

Q: What is the best plastic welding method?

A: Ultrasonic welding is by far the most accurate and quickest method, with cycle times of only a few seconds, but it is not generally suitable for larger parts. For ultrasonic welding to be successful, the top tooling, called the horn, must contact the parts within a quarter inch of the weld zone.

Q: What is the hardest welding to learn?

A: Tungsten Inert Gas (TIG) welding is widely considered the most challenging welding process to learn. The sheer complexity of the technique requires more practice and focus to master than other less-technical welding methods. TIG welding also results in some of the strongest and sturdiest welds in the industry.

Q: Is it OK to melt plastic with soldering iron?

A: First, don't melt plastic with a soldering iron, at least if you want to use it for soldering afterwards. That leaves residue on the tip which can make soldering difficult. However, while melting plastic is a bad idea, it shouldn't make the iron not heat anymore.

We're well-known as one of the leading extrusion welder manufacturers and suppliers in China for our quality products and good service. Please feel free to wholesale extrusion welder made in China here from our factory.

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