2014年10月26日星期日

Titanium and titanium alloy plate creep and stress relaxation

Titanium and titanium alloy plate at room temperature plant forming, shaping force due to the small amount of deformation limit and great resilience, which gave the manufacturing process brings a lot of difficulties,titanium standard parts especially in spring, so that the entire amount of labor hand injury large, can not meet the requirements of the batch.
The hot press forming is generally used for manufacturing titanium metal components and effective process for this method can be the first at room temperature (or heated state F) molded item,medical grade titanium alloy reheat Shaping: plate material can be directly used to form a heat and hot school shape. Whether it is hot forming and heat were collapsed to form the school principle and effort creep relaxation.
Thermoforming mainly take advantage of the creep properties of the material softens in the heated state,titanium rod and the plastic to increase to reduce the forming force than avoiding cracking and improving the molding can also reduce the number of spring. Thermal Shaping is is the use of the principle of stress relaxation in the heated state,Titanium bars in order to eliminate the springback, solve the problem of the precision of the parts due to the problems caused by springback.

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