What is a Fusing Machine?

What is a Fusing Machine?

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Fusing is a procedure of introducing interlining materials/sheets in-between the parts of the garment. The fusing of interlinings in garment business is a very important procedure. Fusible Interlining sheet is coated with thermoplastic polymer resin and it is used to ensure a stable shape, good strength and steadiness of a garment.

Irrespective of which fusible and machine is used, fusing is controlled by four processing components – temperature, time, pressure and cooling and these have to be precisely combined in order to attain the best outcomes.

Processing Elements in a Fusing Machine

There is a restricted range of temperatures that are effective for each type of resin. Too high temperature causes the resin to become too sticky, which could result in the resin being forced through the right side of the fabric. If the temperature is too low, the resin is not adequately viscous to expend into the top cloth. In common, resin-melt temperatures range from 130to 1600 C and the best outcomes will generally occur within ± 70C of the temperature stated by the manufacturer of the fusible.

The only time element of any value during the fusing procedure is when the top cloth and fusible are under pressure in the heating zone of the machine. This time sequence for a particular fusible is determined by –

  1. Whether the fusible has a low or high melt resin.
  2. If a light or hefty substrate is being used.
  3. The nature of the top cloth being used, i.e. thick or thin, dense or open.

Manufacturers of fusible supply data sheets which give the time sequence for each fusible, and this refers to the real fusing stage only.

When the resin is viscous, pressure is applied to the top cloth and fusible assembly to make sure that –

  1. Full interaction is made between the top cloths and fusible.
  2. Heat transfer is at the optimal level.
  3. There is an even infiltration of the viscous resin into the fibres of the top cloth.

Most fusing machines use two steel rollers or pressure plates to generate pressure, but a flexible pressure system has been developed which mechanically adapts itself to variants in the thickness of the assembly being fused, whereas maintaining an even pressure over the whole assembly.

Applied cooling is used so that the fused assemblies can be handled instantly after fusing. Cooling can be induced by different systems, including water-cooled plates, compressed air circulation and vacuum. Rapidly cooling the fused assemblies to 300 to – 35C makes for a greater level of productivity than if operators have to wait for the assemblies to cool naturally.

The fusing procedure produces what is, in effect, the foundation of a garment and the best outcomes can only be accomplished when there is a precise and frequent control of the four processing components.

Types of Fusing Machine

Manual Fusing Machine
A manual fusing machine is a simple and basic type of equipment used in the garment industry to print interlinings and fabrics together. It is operated manually by the operator without the need for any external power source. The procedure involves placing the garment or fabric with the interlining in between the fusing material, usually a special adhesive web, and then applying heat and pressure using a handle or lever. The heat causes the adhesive to melt and bind the layers together, creating a strong and durable bond. Manual fusing machines are typically suitable for small-scale production or limited use.

Pneumatic Fusing Machine
The Pneumatic fusing machine is an advanced version of the manual fusing machine that includes pneumatic (air-powered) functionality. This type of fusing machine eases the manual effort required by the operator, as the application of pressure is controlled by compressed air instead of manual force. It enables for more consistent and uniform fusing results. The operator places the garment or fabric with the interlining into the machine, aligns it properly, and then activates the pneumatic system using a foot pedal or button. The machine applies heat and pressure automatically for a predetermined time, ensuring proper fusing. Semi-automatic fusing machines are suitable for medium to large-scale garment production and provide improved efficiency and quality compared to manual machines.


If you are looking for a more range of Fusing machines like Semi-Automatic Fusing Machine, Heat Press Fusing Machine, Double Bed Fusing Machine, and more, it is always recommended to choose a reputed manufacturer like M.S Machinery. It is extremely authoritative to purchase all such machines from someone ensuring the highest levels of quality and safety because they are going to Fuse garments in one or the other way.

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