What kind of pipe fittings are stainless steel elbows
There are many factors affecting the long service life of stainless steel elbow pipe fittings: the following is to introduce different processing methods, processing stainless steel elbow, when the thread meets the size, there may be two tap end face collision, the reason is the tap base surface is longer.
In this case, it is necessary to shorten the end face of the tap, but the short end face grinding may adversely affect the function of the tap. Stainless steel elbow end grinding short before, after the relationship between the tap and the processed workpiece can be seen, after the end grinding short tap thread can not be normal into the hole, but is pressed into the hole end, thus affecting the use of tap function.
In the mill, stainless steel stamping elbow pipe fittings on the whole length of the thermal mechanical historical changes obviously, especially in stainless steel stamping elbow pipe fittings produced, will strongly affect the finishing mill on the degree of recrystallization and grain growth and precipitation, and causes the entire stainless steel stamping elbow pipe length on the organization and function of the radical changes. When grinding, we must keep the original geometric shape of the front guide part, mainly using a tap shovel grinding machine for grinding. The solution to the longer base surface of taps is to customize the taps with shorter base surface according to the specific requirements of the processed threads.
In order to solve these problems, some users had to repair the tap before the guide part of grinding, grinding before, after the tap before the guide part. Because the shape of the front guide part changes after grinding, it will still affect the function of taps. The solution to this problem is steckel mill: steckel mill consists of a reciprocating roughing mill and a 4 high reciprocating finishing mill. Two hot rolling mills are installed on the conveyor lines on both sides of the finishing mill. The output roller table usually consists of a laminar cooling system and a coiling station.
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