| Medium frequency elbow machine has equipment
First elbow is used for pipe turning, pipe fittings in the pipeline system application, accounting for more than 80% of the proportion, is a very important pipe fittings, elbow push machine is the production of elbow mechanical equipment, through high temperature push system, or hydraulic cold push elbow mechanical equipment. There are mainly cold push elbow machine, medium frequency induction heating elbow machine (the main power is hydraulic cylinder). Customers can choose according to their own needs. If you need stainless steel elbow, please choose cold push elbow machine. If carbon steel or alloy steel elbow is required, it is an intermediate frequency heating elbow machine.
Second, intermediate frequency elbow machine is a non-standard product, there is no limited size and model specifications, can be customized according to the needs of customers.
Related requirements for elbow processing quality and comprehensive mechanical properties:
Intermediate frequency bend machine series of hot pushing elbow outer arc tensile plastic deformation is larger, the normal temperature, high temperature yield strength and tensile strength increases, plasticity and significantly lower back and toughness, so should make more reasonable production process, strict control of bend hole enlargement ratio, reducing elbow outer arc tensile plastic deformation, in order to obtain excellent comprehensive mechanical properties.
The inner arc wall thickness of hot push elbow made by intermediate frequency elbow machine does not increase, and the inner arc happens to be the high stress area of the elbow. In order to ensure the inner arc wall thickness of the elbow meets the standard requirements of the product, the tube blank with proper thickening wall thickness should be used for pushing.
Hot push elbow produces axial bending deformation and radial expansion during the forming process, so special attention should be paid to check whether cracks, microcracks and intergranular cracks occur on the inner and outer walls of the elbow.
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