The function of this chamfer on the stud and the intermediate rod
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As shown in the figure: 1. What is the function of R2.4? Is this chamfer FULL LENGTH? 2. What is the function of the 6mm diameter tie rod added at the center? Thank you
Where are these bolts used, they’re so strange. I’m afraid few people have seen it
1. Is the function of R2.4 to prevent the key from loosening after threading? 2. The roughness requirement for the 6mm diameter tie rod at the center is very high – does it affect the service life? Does the bolt elongate before breaking, showing a pit?
This type of stud is used in end structures; the higher one screws in, the greater the gas pressure. R2.4 is used for exhaust, and oil can also be injected into it. As for the round steel bar, is it used for heating? Is it still for fighting fatigue? I really don’t know.
There are also two parallel lines drawn on the left side of the head of the stud; do you know what they are for?