Since the end of 2009, European machine tool manufacturers have been accepting orders that have been growing. in the first half of 2010, the growth rate reached almost 50% more than the same period in 2009. Recent statistics show that international orders, although growing at a double-digit rate, have slowed down. The European machine tool industry has traditionally been export-oriented, although European customers remain the core support of the industry. This is because manufacturing has been an important part of the European economy and a major driver of economic recovery.
Automatic bending machine system with manual and automatic operation, automatic mode can be divided into step-following bending and origin through the bending, to facilitate the processing of a wide range of bending. For pipe fittings with different bending radii, the use of upper and lower die switching to achieve the bending process. For bending with special processing requirements, the design of the linkage, decomposition and the corresponding auxiliary action to avoid mechanical interference, to achieve the automation of the bending process.
Commonly used automatic pipe bender using the mold is often for carbon steel pipe, for alloy steel pipe, stainless steel pipe bending, due to the different characteristics of the material, the lack of appropriate technology, often unable to get the ideal bending cross-sectional deformation rate and bending angle. In the larger torque (power) bender, due to the existence of blind spots in the design, easy to cause static instability, instability phenomenon and resonance problems. At the same time the design of the control circuit also lacks the corresponding design experience. Larger torque (power) of high-quality DC motors in the country is also difficult to find suppliers.
Electric pipe bender is mainly used for 5.08 cm (2 inches) below the pipe bending, bending radius is generally less than 25.4 cm (10 inches). For larger bending radius, generally can not find the relative adaptation of the machine and mold. For bending radius greater than 30.48 cm (12 inches) bending mold is not only a large investment, and the process of casting mold deformation is also difficult to control, while the design of this mold also requires considerable technical accumulation.
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