Abstract
In this paper, we present the results of engineering design of a technological complex for friction welding of thin-walled products from armlen. We have also analyzed welding methods for plastic details. The main technological parameters of friction welding are: relative speed of welded surfaces rotation or linear velocity of the planes relative to each other; melting pressure for creating of a friction force; heating time; sediment pressure; cooling time of the weld. Each of these parameters depends on the material type and the shape of welded surfaces, assuming that absolutely flat surfaces are considered, since flatness does not strongly affect these parameters for thin-wall products. Further, welding technology of thin-walled parts from mineral-filled polypropylene (armlen) is offered, calculations of technological parameters of welding process are carried out and an electronic model of the complex is developed. On the basis of the electronic model and drawings, a prototype of the technological complex was made. Approbation of the complex on the example of gas-proof boxes production showed its high efficiency and prospects of its use for the whole class of thin-walled products from armlen.
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