Welding Methods: 7 Production Advantages of Welding

WeldingNov 4, 2020
advantages of welding

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When it comes to thermoplastic-coated materials – Welding is one of the most common ways to join the technical textile industry. When it comes to joining technical fabrics, you should know about the production advantages of welding – here in this article we list the top 7.

1.    Design

Thermoplastic welding presents many substantial benefits for the technical textile industries. Welds offer:

  • Lightweight and less bulky seams,
  • High strength,
  • Design flexibility, and
  • Low processing costs.

Because welds do not puncture the material like sewing, they provide more reliable leak-proof seams and do not introduce foreign materials, like glue or thread, that may affect product performance. This is definitely a clear advantage of welding.

2.    Permanence

Thermoplastic welding lasts indefinitely. The process of welding fuses two like-coated materials together, so there is no adhesive interface to fail as with gluing. Glue is subject to soften over time and will eventually fail. Welded lap seams are stronger in sheer than the original fabric. While the glue is too, it will weaken over time and a weld will not. Plus, the use of adhesives adds another chemical compound to the mix that can possibly compromise the properties or strength of the material it is gluing. This is not a concern with welding.

3.    Speed

Welding is fast and can increase production-line speed oversewing and gluing. Depending on the material and type of welding process, welding speeds of up to 30 feet per minute (9 meters per minute) can be attained.

4.    Reliable and Efficient

Welded seams are more reliable than glued or sewn seams. Not only is glue failure not an issue, but technical textile welding is usually accomplished by automated machinery that controls heat, angle, speed, and frequently material tracking (aligning). This leaves less room for human error. Welding machines with built-in tracking systems align material as it processes and can be operated by a single person. This can free up employees and potentially reduce labor costs.

5.    Easy Installation and Use

Most welding systems are easy to install and can be readily incorporated into your current production line. Some are even portable or handheld. The majority of welding machines are capable of producing many styles of welds and are user friendly. Depending on the type, systems can be noiseless and can help create a quieter more pleasant working environment. Ultrasonic welders, in particular, are silent and do not emit any toxic smoke like hot-air welders.

6.    High-quality Sealed Edges

Welding provides a consistent and permanent air-tight seal at edges and seams. The result is reliable, long-lasting air and liquid retention. Welded seams are as abrasion-resistant as the original material and maintain their integrity indefinitely. Sewn seams can suffer tension failure in the thread and glue will fatigue over time.

Welding easily handles connection issues like thickness variation in the fabric and joining tight or small corners. Also, since there are no stitch holes in the fabric, welding creates smooth seams that can make the product more aesthetically appealing.

7.    Cost-Effective

With welding, usually, no additional material is required, and no waste is generated like that associated with gluing and sewing. Welding machines are comparatively inexpensive to buy and operate. This reduces costs as compared to other joining methods. And for the end-user, welded seams mean reduced maintenance costs.

For more information on welding techniques that are right for your application, download the Erez Ultimate Guide to Welding Coated Technical Textiles.

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