Double spiral conveyor belt

Double spiral conveyor belt, spiral mesh belt is usually used in the quick-frozen food industry. It is one of the indispensable parts of the quick-freezing machine. It is a combination of a U-shaped chain and a stainless steel cap. There is no need for manual weaving. The main reason is that there are many welding processes. The welding of spiral mesh belts has a certain degree of difficulty. It is necessary to weld the three types of stainless steel bars, U-shaped chains and small caps with one welding spot. The current needs to be adjusted to a greater extent during welding. The welding place must be strong and firm, and the appearance must be neat and beautiful.
Commonly used specifications are mainly 700mm and 800mm wide, but they can also be manufactured according to customer needs.
Because spiral mesh belts are used in the food industry more, it is necessary to ensure the cleanliness of their appearance.
Therefore, cleaning is usually done after the product is manufactured. The main methods are to use a special degreasing agent, pickling or electrolytic polishing.

The double spiral conveyor belt adopts a simple and effective design and is composed of alternating left and right spiral coils. These coils are held in place by interconnecting crimping rods across the width of the belt. The edges of the belt can be supplied in welded or folded form.
The double spiral conveyor belt uses alternating patterns to prevent the belt from pulling to one side, thereby achieving excellent tracking performance. By using a special crimping rod (fixing each helical coil in place), the lateral movement in the belt is reduced.
Double screw conveyor belts are usually provided in the form of friction drive belts. However, some meshes can be provided as a positive drive, allowing the sprockets to mesh with the belt mesh. In addition, we can provide balance spirals with chain edges for high load applications.
Skews and side panels can be used for inclined applications or product separation requirements. Quanda also provides double-balanced spiral belts for applications with particularly high loads and/or products that require a narrower aperture than standard balanced spiral belts.
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Other dedicated belt applications:

Lehr belt for glass annealing
Chip filter belt
Loose connection and ring chain edge of low temperature freezer