Hot welding is a common method for PVC sports floor construction

Hot welding is recommended for all PVC sports flooring. We also recommend heat welding of sheets laid in the interlocking indoor sport surface heating system. In order to obtain the best welding effect, it is necessary to leave a minimum of 48 hours after the plastic is laid, waiting for the adhesive to dry naturally, and then performing grooving and heat welding.

Material preparation and tools: special welding rod, heat welding machine, crescent knife, welding rod flattener:

The heat welding process allows the two sides of the seam to be evenly fused. The ground material is heat welded using a heat gun and a special electrode made of the same material as the ground material. This will ensure long-lasting seals and extend the life of the flooring. Generally, the welding rod is solid color, and similar colors can be used for the welding of the PVC sports floor. General PVC sports flooring manufacturers can provide special welding rods, but the price is slightly more expensive. It is also a manufacturer specializing in the production of interlocking intelligent creation of sports flooring welding rods. You can send the color plates to you, and the manufacturer can provide you with suitable welding rods in time, which is very convenient. The price of the electrode is generally less than 1 yuan / meter. There are three basic processes for welding: slotting, heat welding, and weld flattening.

1. Slotting:

The tool must be slotted with a U-shaped knife edge to ensure that the special electrode can be tightly bonded to the ground material (you can use the electric or manual grooving tool) to keep the notch clean and free of debris. Slotting requires symmetric grooving of the two sides of the web, not just unilateral grooving. Slotting should not pass through the bottom.

The depth of the notch depends on the thickness and type of the welding material and the diameter of the dedicated electrode.

Slotting requirements: Note that the depth of the notch must not exceed 1/2 of the diameter of the special electrode, nor exceed 2/3 of the thickness of the material.

2. Heat welding:

Before the weld is welded, the dust and debris remaining in the tank must be removed.

The temperature of the heat welding must be adjusted according to the type of ground material used and the type of special electrode.

Judgment standard for temperature: It can effectively weld the electrode, but it will not overheat the electrode or PVC coil.

The torch temperature is about 350 degrees, and the temperature of the welder is different.

The torch temperature is about 350 degrees, and the temperature of the welder is different.

The temperature and speed of the heat welding must be adjusted according to the actual situation. Before hands-on operation, it is best to find some scraps to do some exercises, pay attention to the reaction of the electrode, because the welding temperature, speed and the strength of the use have a direct impact on the effect of heat welding.

3. Welded joints are flat:

When the electrode is completely cooled, the remaining raised portion is removed using a electrode trimmer or a crescent cutter. When cutting, pay attention to the average speed cutting to increase the beauty of the electrode after cutting.

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