Characteristic of C purlin roll forming machine and z purlin roll forming machine 

a、Because the inertia distance of Z-purlin in weak axis direction is larger than that of C-purlin of the same kind, its integrality is better than C-purlin purlin roll forming machine is generally suitable for roof with a gentle slope, while z purlin roll forming machine is suitable for roof with a slope greater than 1/4.


b、The z-purlin is a continuous purlin because it must be firmly overlapped at the joint. The C-purlin can only be calculated according to the simple purlin.


c、Z purlin is smaller than C purlin, which can save material and reduce cost. But installation and transportation are more complicated than C purlin.


Selection of between c purlin roll forming machine and z purlin roll forming machine:


Generally, when the roof load is large, the calculation of C-purlin is difficult or the calculation result needs to choose the super-large C-purlin, Z-purlin is considered.

In areas with fundamental wind pressure, purlin calculation is often controlled by wind suction. At this time, if the use of C-purlin will cause difficulties in calculation, Z-purlin can also be used.


Z purlin roll forming machine belongs to high-efficiency and economic profile cutting, because the section shape is fair, they can make steel more efficient and enhance the bearing capacity. The main use products of c purlin roll forming machine can be used as the main force structure of large and medium-sized industrial civil buildings. Unlike ordinary I-shaped steel, the wing embroidery of H-shaped steel is widened, and the inner and outer surfaces are usually parallel, which makes it easy to connect with high-strength spiral cassia and other components. Its size constitutes a fair series with complete models, which is convenient for design and selection’s purlin roll forming machine and z purlin roll forming machine are important molding equipment, which play an important role in the performance of CNC machine tools.http://www.ybtformingmachine.com


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