Chiho Hebei Industry GB stamping elbow cold stamping and hot stamping points two, is usually cold stamping or hot stamping equipment according to the material properties and the ability to cold extrusion process is to use a dedicated elbow elbow forming machine, the tube into the outer mold stamping elbow offer, after the upper and lower mold clamping, push in the push rod, tube along the inner and outer dies reserved space movement forming process is completed. stamping elbow is the first application for mass forming process seamless elbow, at present, common specifications elbow production has been replaced by extrapolation or other hot forming process, but in some of elbow due to a small number of production, thickness over When thick products still in use or have special requirements. elbow and elbow using stamping outer diameter equal to the tube, using a press in a mold direct compression molded Before stamping, tube placed on the lower die, will end mold core and into the tube, the mold pressing downward movement began, through binding and supporting role within the mold so that the outer mold compared with elbow hot push forming process, the appearance of quality than the former stamping; Stamping elbow during the forming outside the arc in tension, no other parts of the excess metal to compensate, so the wall thickness of the outer arc about thinning at around 10%. However, due for single piece production and low cost, it is stamping ELBOW used for small batch manufacturing thick-walled elbow elbow GB stamping Features: 1, temperature and pressure, good flexibility, heat resistance, and its performance is higher than other plastic pipe installation is simple and good thermal conductivity apply. floor heating systems, recyclability .2, P GB stamping elbow pipe has its excellent impact strength, melt welding and mechanical connections, better than PB-PP-R thermal conductivity. Hebei Chiho Industry Co., Ltd Carbon steel stamping elbow 90 degrees to production methods can be divided into pushing, pressing, forging, casting and so on. In manufacturing standards can be divided into GB, electricity standard, ship standard, technology standard, water standard, American Standard, the German standard, Japanese standard, the Russian standard and so on. According to its radius of curvature to the point: it can be divided into long radius elbows and short radius elbows. Long radius elbow refers to its radius of curvature is equal to 1.5 times the outer diameter of the tube, that R = 1.5D; short radius elbow refers to its radius of curvature is equal to the pipe diameter, namely R = 1.0D. (D is the diameter of the bend, R is the radius of curvature). In terms of pressure levels to points: about seventeen species, and the US standard pipe is the same, there are: Sch5s stamping elbow dn250, Sch10s, Sch10, Sch20, Sch30, Sch40s, STD, Sch40, Sch60, Sch80s, XS; Sch80, SCH100, Sch120, Sch140, Sch160, XXS; one of the most common STD and XS are two kinds. Different shapes can be divided according to purpose: grooved elbow, pressing elbow elbow sleeve type 273, double socket elbows, flanges elbows, reducers elbow, elbow seat stay, stamping elbow bend external teeth head, carbon steel stamping elbow, elbow to push the system, socket elbow, welded elbow, female thread elbow. Japanese standards JIS B2311 standards Number Description Universal steel pipe fittings JIS B2312 JIS B2313 steel pipe fittings made of steel pipe fittings JIS B2316 steel socket welding pipe fittings elbow punching stamping elbow _ quote _ Shaanxi, Hebei Chiho (see ) provided by Chiho Hebei Industry Co., Ltd. . "All kinds of forged pipe fittings, elbows, tees, reducers, flanges" preferred Hebei Chiho Pipe Co., Ltd. (www.hbqh628.com) (www.hbqh628.com), the company is located: Hebei Cangzhou City Mengcun Hui Autonomous County Xindian BU Walled industrial zone, over the years, Hebei Chiho adhere to the customers provide the best quality service, Contact: Yang Qinglong. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Hebei Chiho expect to be your long-term partner!