Correct use of mandrel during bending processing !

scanning:153 author:John Kino time:2019-09-20 classify:Industry News
Nowadays, the pipe bending processing technology has spread to all walks of life, such as the now very hot automotive industry and the aerospace industry, often use a variety of bend products. For these industries, the quality of bent pipe processing products will directly affect the structural rationality, safety and reliability of the products produced in these industries.

Nowadays, the pipe bending processing technology has spread to all walks of life, such as the now very hot automotive industry and the aerospace industry, often use a variety of bend products. For these industries, the quality of bent pipe processing products will directly affect the structural rationality, safety and reliability of the products produced in these industries.

Therefore, if you want to obtain high-quality pipe bending products, then we must grasp different process conditions and operating skills. If cold processing is used, then we must choose the shape of the mandrel and master the correct method of use. We know that after determining the shape and size of the mandrel, the position at which the tube is inserted into the bend is also an important factor affecting the quality of the pipe.

Therefore, we must ensure its reasonableness as much as possible. If the inserted position is too far forward, then the outer wall of the bent pipe processing piece may be squeezed; if the insertion is too small, the corresponding protective effect may not be achieved, and even the inner side of the arc may be caused. Wrinkling occurred.

So, how do we grasp this suitable position? In fact, we can combine a formula to choose: e ≤ (1/4 ~ 1/2) D. The letter e in the formula represents the distance at which the mandrel is inserted into the bend of the tube, while the letter D represents the nominal size of the inner diameter of the bent tube product. Then you can get the specific value by calculation.

After determining the position size, we should also perform a trial bend based on this value. During the trial bending process, we can make appropriate adjustments in accordance with the specific conditions to bring the mandrel to the proper position. In this way, the obtained bent pipe processing products can meet the requirements of use.

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