In order to choose equipment for bending pipes of various diameters, you need to have at least some idea of the process itself, of its problem areas. In addition, you need to take into account the specific production tasks that this equipment must solve during operation.
Technical Flexion Problems
Experts who are engaged in the processing of all kinds of pipes, name several "bottlenecks" characteristic of this process. Among them, special attention should be paid to such as:
- the appearance of small scratches and various defects on the surface;
- breaks of thin walls of workpieces or their stretching from the outer surface;
- flattening a circular section (ovalization);
- shrinkage or formation of corrugated areas on the inner surface.
To neutralize all of the above problem areas, it is necessary to choose equipment very carefully and deliberately. It should be noted that metal bending machines, like labeling and packaging equipment for applying labels , require professional maintenance.
Flexible and its basic techniques
The hollow pipe bending technique is of great importance when choosing a specific equipment. In turn, the choice of technique depends on the inner and outer diameters of the workpiece, on the bend diameter, as well as on the physical properties of the material from which the workpiece is made.
If it is necessary to bend a pipe with thick walls (more than 3 mm), the bending method without a mandrel is used. It is also used in cases where it is necessary to obtain a bend, the radius of which is three or more times the diameter of the pipe itself. Today, this method is used in long-established domestic industries, or in the absence of strict requirements for the quality of the final product.
Unlike our manufacturers, foreign enterprises actively use the mandrel bending method. It provides a higher quality of bent pipe, and a rod that is ground and fixed in one position acts as a rigid mandrel.
Not so long ago, Western engineers developed a way to bend a pipe using a segment mandrel. This progressive technology makes it possible to significantly expand the range of pipes bent in a small radius, as well as to significantly reduce their overall dimensions. And the final result when using this method is noticeably better in quality.
Learn more about applying a label or how to quickly, correctly and efficiently bend a particular pipe at specialized websites of manufacturers of the corresponding equipment.
