Nanjing Weifeng Electrical Equipment has a strong after-sales service, maintenance services found in many years of experience in the electric door clearance angle small crack is a problem, it generates is a more complex process Yangzhou electric retractable door image, it is the main reason is the material plastics is not enough, so be more favorable toward the plasticizing point of view from the selection, formulation, mixing and extrusion materials. Of course, welding equipment and technology is also a very important factor in the impact of small cracks clearance angle. Electric retractable door clearance angle is small cracks handling skills 1. Try to use a narrow molecular weight distribution or SG4 SG5 type of PVC resin. 2. A reasonable allocation of the amount and proportion of the formulation of the lubrication system, making it most suitable for the company's equipment. 3. mixing equipment and extrusion equipment to ensure excellent performance, and to strictly compounding and extrusion processes, in order to ensure that the material has the best plasticized state. 4. Try to use welding equipment operating table or pressure pliers have welder preheating device, and according to a reasonable choice of different profiles welding process. 5. Welding Buenos selection polytetrafluoroethylene, and the welding process has always been to maintain a clean cloth welding. 6. clearance angle equipment to fully ensure sharp knife and a reasonable degree of work pressure. 7. clearance angle technology should be reasonable, just out of the corner weld some time to cool before clearance angle is appropriate supply of electric retractable door factory in Yangzhou, another winter indoor operations to maintain the proper temperature range. Different types of electric door electric door opener frequency of use is very high, open and frequent use tend to dysfunction and repair and replacement is very important. Nanjing Weifeng Electrical Equipment Company of electric door openers specialists and experts will recommend the best solution. 1, the chain drive electric door opener opener is the most reliable and commonly used. Drive this type of operation electric gate with a metal chain on the track to help. Relative to the belt drive chain drive openers cheap. Noisy chain drive openers, electric door if it is located below the owners generally do not like this type of opener. 2, belt drive electric door opener attention to the device, and the best in electric door openers industry needs. They are not just reliable electric retractable door direct factory in Yangzhou, but they are also almost silent. This type of opener reinforced with the work, it is reasonable to be more affordable. If the electric gate is connected to the house so there would be no noise in the house. 3, screw-type electric door openers have lifting equipment up and running in rebar rod than any rubber band bracelet. They are the best in the set temperature needs constant work and the weather is amazing. Breathtaking screwdriver is not mandatory for the family because they are slow-moving, very noisy, low interest rates. And issues related to the electric door opener: Yangzhou electric retractable door price, electric retractable doors, electric door manufacturers provided by Qixia District Weifeng electromechanical equipment operators. Qixia District Weifeng Electrical and operating equipment (www.njweifeng.com) strong, credible, Nanjing, Jiangsu Province in other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Weifeng electromechanical and you hand into the brilliant, for a better future!