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2019-06-06
Dongguan Zuolong Machinery Co., Ltd. upholds a spirit to be down-to-earth and fearless in the development. Now we have many honors and certifications. Zuolong Machinery enjoys developed telecommunication and traffic convenience. The geographic location is superior and the natural conditions are good. Zuolong Machinery is dedicated to solving your problems and providing you with one-stop and comprehensive solutions. Zuolong Machinery has a scientific management mode and great production capability. We carry out standard and scale production, so as to ensure that we could meet customers' needs for large-quantity orders of quality machinery. We can provide OEM/ODM services.
Production process of spiral tube The spiral steel pipe is made of strip coil as raw material,Often warm extrusion molding,Spiral seam steel pipe welded by automatic double-sided submerged arc welding process.(1) raw materials are steel rolls,Welding wire,Flux.Before putting in, we must go through strict physical and chemical tests.(2) strip head and tail docking,Arc welding with single or double wires,Automatic submerged arc welding is adopted after the steel pipe is rolled.(3) before molding,The strip passes through leveling, cutting and planing,Surface cleaning and conveying and bending treatment.(4) the electric contact pressure gauge is used to control the pressure of the oil cylinder on both sides of the conveyor,Ensure smooth conveying of strip steel.(5) using external control or internal control roller molding.(6) the weld gap control device is used to ensure that the weld gap meets the welding requirements,Diameter,The wrong edge quantity and weld gap are strictly controlled.(7) both internal and ext
How to adjust the itinerary of the handbag factory high-speed sewing machine, thank you Your men will, Shi san??The Tabanidae in the ィ?Gather together the industry wood?Acer shallow entropy arsenic busy order Wan steal kang guaranteed?Cloth xiu yin entropy cappuccino Wood Ho shoulder?2 ~ 14mm, when the needle rod is raised up,The bed hook is in the middle of the needle groove and above the pinhole.The needle goes down,Needle tip, teeth, needle plate are on the same horizontal line.
Production process of spiral tube The spiral steel pipe is made of strip coil as raw material,Often warm extrusion molding,Spiral seam steel pipe welded by automatic double-sided submerged arc welding process.(1) raw materials are steel rolls,Welding wire,Flux.Before putting in, we must go through strict physical and chemical tests.(2) strip head and tail docking,Arc welding with single or double wires,Automatic submerged arc welding is adopted after the steel pipe is rolled.(3) before molding,The strip passes through leveling, cutting and planing,Surface cleaning and conveying and bending treatment.(4) the electric contact pressure gauge is used to control the pressure of the oil cylinder on both sides of the conveyor,Ensure smooth conveying of strip steel.(5) using external control or internal control roller molding.(6) the weld gap control device is used to ensure that the weld gap meets the welding requirements,Diameter,The wrong edge quantity and weld gap are strictly controlled.(7) both internal and ext
How to adjust the itinerary of the handbag factory high-speed sewing machine, thank you Your men will, Shi san??The Tabanidae in the ィ?Gather together the industry wood?Acer shallow entropy arsenic busy order Wan steal kang guaranteed?Cloth xiu yin entropy cappuccino Wood Ho shoulder?2 ~ 14mm, when the needle rod is raised up,The bed hook is in the middle of the needle groove and above the pinhole.The needle goes down,Needle tip, teeth, needle plate are on the same horizontal line.
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