| Cold push elbow mechanism features stainless steel elbow
What are the features of stainless steel elbow?
Have very lively chemical properties at high temperature, small thermal conductivity, heat capacity is big, in the stainless steel elbow welding, pipe weld easy to oxidation and air pollution problems, seriously affect the welding quality, therefore, the stainless steel elbow welding pipe must be used when the internal charge gas to solve the oxidation problem of the internal weld.
At present, the domestic steel elbow forming manufacturing commonly used processing methods are: casting method, stamping pressing method, welding method, cold and hot push method. The pressing method ---- in the elbow machine will be heated tube blank with mold bending processing method, this method was first used in the tube elbow bending processing process method, in the elbow production has been widely used. However, this method produces uneven wall thickness of elbow, poor appearance quality, and high mold manufacturing cost when processing large elbow.
Cold push elbow machine, also known as stainless steel elbow machine, is developed to meet the production needs of stainless steel and alloy steel elbow on the market, but also to meet the special requirements of carbon steel elbow production. At the same time, cold push elbow machine and hot push elbow machine, do not need the middle frequency coil heating, save electricity. Cold push elbow machine before pushing the elbow, the tube blank needs to be sawed and cut off the material, the shape of the tube blank is trapezoid, and the hot push elbow machine tube blank is rectangular.
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