The tensile strength after light treatment, the natural light shines on the bag webbing through the window, causing aging and reducing its strength. According to the working conditions, a lighting equipment is designed, which is equipped with representative strong light and is exposed to the light for a specified time. After lighting, pp webbing needs to be subjected to standard temperature and humidity treatment, and then to tensile test to obtain the tensile strength after lighting treatment. After soaking, the tensile strength of the safety belt installed in the car will absorb the moisture in the air, and sometimes it will be soaked by some liquid, so the immersion test is required. At room temperature, fully immerse in distilled water with a small amount of wetting agent for a specified time, and then take out the soaked pp webbing from the water to complete the tensile test within 10 minutes. The tensile strength of soaked pp webbing was obtained.
Surface fuzzing. The case and bag webbing surface fuzzing and needle edge defects often occur in the production process. What are the reasons and how to solve or prevent them? The following manufacturer's knitting will tell you. Causes of surface fuzzing of luggage webbing: needle edge fuzzing, cloth edge fuzzing. Precautions: The needle plate has been used for a long time and has been damaged. Replace the needle plate with a new one; The knitting needle has been damaged and replaced with a new one; The pressure plate is pressed too tightly, and loosen the pressure plate; If the weft is not hung completely, adjust the distance between the weft needle and the knitting needle so that the weft can be hung completely. The steel buckle of the weft yarn is hung, and the weft yarn is put into the weft rod; If the steel buckle is damaged, replace it with another one; The raw material itself is hairy. If it is partly hairy, replace it. If it is too hairy, make a full inspection belt after finishing the goods.
do Heilongjiang Customized Electrical tape There is no doubt that the quotation is very important in this business. I think many of the colleagues who make webbing are very familiar with their own products and can quote their prices when they get their own products. If you come across a ribbon that is not made by yourself, can you quote an accurate price? I think it is impossible. Below【 Customized Subject] manufactor Let's briefly introduce how to quote an accurate price for a ribbon. First of all, the customer needs to understand this ribbon and be able to answer any question clearly.
Xiao Bian always believes that any backpack and webbing factory needs to constantly promote safety in production. In addition to conventional production safety and personal safety of employees, fire prevention should be an important part of this safety. The industry is a flammable industry, because a large number of various yarns and finished webbing products stacked in its workshops are flammable, its safety is directly related to human life safety. Therefore, it is important for enterprises to prevent fire. In the past two years, there have been fires in many ribbon factories across the country, which has caused huge property losses to enterprises. The frequent occurrence of fires in the ribbon industry has also sounded a safety alarm for us. The safety of the company is also closely related to the employees. As a member of the company, fire prevention should start from self. Do not smoke in the factory. If you want to smoke, please go to the specified smoking area. Don't throw cigarette butts everywhere, let yourself be a part, and protect our safety together.
If the weft needle is damaged, replace it or beat it with gauze; If the steel buckle is damaged, hit it with gauze or replace the steel buckle; The coir filament piece is damaged or the shutdown piece is damaged. Replace it with a new one. Causes of poor needle edge: uneven weft yarn thickness; The knitting needle is not properly laid, too long or too short; The pan head moves abnormally, sometimes tight, sometimes loose; The weft wheel is not round enough and deformed; The fixing pin of knitting needle is worn; Precautions: change another weft yarn; The knitting needle is longer or shorter according to the thickness of the ribbon. Generally speaking, the length of the knitting needle is just enough to remove the weft; Fix both sides of the pan head firmly, and do not let the pan head lean against the iron frame on both sides; Replace the weft wheel with a new one; Replace the fixed rod or go to processing.
Indirect plate making method: the indirect film is first exposed, hardened with 1.2% H2O2, developed with warm water, and dried to make a strippable graphic negative. During plate making, the adhesive film surface of the graphic negative is closely attached to the stretched screen, the adhesive film is tightly attached to the wet screen by extrusion, the film base is removed, and the screen is dried by wind. Process flow: 1. Stretched wire mesh - degreasing - drying. 2 Indirect film - exposure - hardening - development - fitting - drying - revision - blocking. 3 Straight mixed plate making method: first, paste the photosensitive adhesive layer on the screen frame with water, alcohol or photosensitive adhesive, dry it with hot air, remove the substrate of the photosensitive film, and then print the plate. After developing, the screen plate is made.
