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Differentiating the bending radius of the elbow

Update:05 Jan 2019

The tortuous radius—the distance from the center of the […]

The tortuous radius—the distance from the center of the circle to the center arc. There are many people who ask this question, and do specific clarification to enhance understanding.

Use a common plastic soft water pipe to form a large circle with a washbasin. Would you? Then divide the circle that is generally large in the washbasin into four equal parts. One quarter of it is a 90-degree elbow shape. Are you correct? The same is still the standard plastic water pipe that surrounds a playground with a large circle, would you? Then divide the general round of this playground into four equal parts, and one quarter of it is a 90-degree elbow shape. Are you correct?

Is the circle that is generally large in the washbasin and the round that is generally large in the playground different from the 90-degree elbow that is taken out? ---- Great!

Why are the two 90-degree elbows surrounded by the same thick water pipes significantly different? This is why the tortuous radius is different (that is, the diameter of the two circles enclosed is different). We can see that the larger the radius of the bend, the longer the bend of the elbow turns. If the radius of the zigzag is equal to the radius of the earth, the elbow is as big as the equator, and the turn is slow, and it seems to be a straight line around us.

Flange is well known as an important part of the elbow pipe manufacturing enterprise. The elbow mold is an important part. Because of its different shapes and shapes, it bends different types and quality bends. In order to save money, you may be able to modify the pipe bending mold. After a different cutting process, a more useful bending mold was transformed. In the transformation of curved pipe molds, companies should also pay attention to their own characteristics.

The clamping part of the elbow mold should not be too short, and the stamping elbow would simply form a deformation of the steel tube, which can be ensured at about 20 mm. In the soft and thin part of the mold pipe, it is necessary that the clamping part should pass through the mandrel to prevent deformation. Regarding the clamping and the wheel die, the bending force is rotated together, and the clamping force does not need to be too large. The clamping force of the clamp can be adjusted according to the diameter of the pipe and the thickness of the pipe wall. When clamping with a v-clamp, the clamping die and the wheel die sometimes have vacancies. The size of the vacancy is related to the diameter of the pipe. When the pipe diameter is φ10 mm, the vacancy is the smallest. The addition of vacancies along the diameter of the tube is gradually increased, but does not affect the clamping and processing. If a tube larger than φ18mm is encountered, the v-clamping mold, the wheel mold and the guide mold should be replaced. Unlike the v-clip mold, if the clamp is clamped with an R-shaped clamp, the vacancy between the clamp and the wheel mold is unchanged. The v-shaped specifications of the guide and the clamp should be common to facilitate the query and adjustment of the bend mold. Over the course of one year, approximately 20 years of cost savings for elbow molds can be saved and the production time can be greatly reduced.