Estimate of errors of processing of parts from tough titanium alloys



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836-Article Text-1677-1-10-20210531

 

MAIN PART 

Production experience and research carried out have shown that the parameters of cutting conditions and 

types of machining have a significant effect on the strength properties of parts made of titanium alloys, but it shows 

itself to varying degrees and affects primarily in reducing the resistance to vibration loads. Thereby, the effective and 

widespread  use  of  titanium  alloys  in  mechanical  engineering  is  possible  only  when  solving  two  main  problems: 

finding ways to achieve the required quality of the processed surface and the layer adjacent to it and determining 

rational cutting conditions in which the original physical and mechanical properties of the alloy would be preserved, 

or  their  other  values  guaranteeing  the  reliability  of  products  and  the  necessary  strength  characteristics  were 

obtained. 

Thereby, determination of rational cutting conditions that ensure the required accuracy and productivity of 

processing, as well as the quality of the surface layer, requires research. 

Requirements for surface quality are established in order to ensure the required functional properties of the surface, 

and  are  determined  by  its  numerical  values,  the  value  of  which  should  provide  the  required  performance 

characteristics 

The dimensional accuracy of parts depends on the number of influencing technological factors during processing. 

They lead to the formation of components of the total machining error, which add up according to their own rules 

and shift the tool setting level. The most significant are the components caused by: 




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