Waterproof tarpaulin processing process some processes of waterproof tarpaulin processing are simple and simple, complicated and complicated. The primary machinery: Heat Sealing Machine, sewing machine, have the following points: 1. Prepare the materials: waterproof tarpaulin materials have differences in raw materials and colors. The fabrics include pvc canvas, plastic coated cloth, rain-proof cloth, waterproof canvas, knife scraping cloth, etc. The colors are mainly green.
2, the beginning of processing: according to the scale of customer needs, first splicing the cloth, the width of the cloth is limited, the center joints are connected by sewing machines one by one, with double-needle sewing, robust warp use, if PVC plastic coated cloth can be used with canvas heat sealing machine heat sealing stitching, the waterproof will be better than the sewing machine, can achieve 100% waterproof.
3. Edge wrapping and punching: wrap the spliced tarpaulin semi-products with four sides so that the tarpaulin will not be broken due to several pulls.
Usually the normal punching is one meter, and the description of the hole is used for threading.
Not all canvas can be heated. The varieties of canvas are divided into pvc coated canvas, waterproof canvas, knife scraping cloth, organic silicon cloth, wax canvas, etc.
According to the characteristics of canvas, different methods should be adopted for processing. In general, heat sealing is only used for PVC plastic-coated waterproof canvas, while organic silicon cloth and wax canvas can only be processed by sewing machines.
The processing of waterproof tarpaulin heat-sealing machine can be 100% waterproof, while the sewing machine will have pinholes in processing, and the waterproof is relatively not as good as that of heat-sealing machine.
PVC waterproof canvas is much better than some traditional canvas.
The performance of PVC plastic coated cloth reaches 100% waterproof, I . e. no water leakage, water column with water pressure ≥ 2000 can withstand low temperature, and the cold temperature is-
20 ° C and relatively light, soft, with excellent mildew resistance (Mildew prevention experiment is Level 1)
, High strength, strong pulling force and wide use, such as farms, docks, foreign trade, warehousing, open-air freight yards, transportation fleets, etc.
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