Peening yog txheej txheem ua haujlwm txias uas qhov chaw ntawm cov khoom siv yog txhob txwm deformed, nyob rau hauv txoj kev yooj yim, by hammering. Thaum lub sij hawm peening, txheej txheej saum npoo sim nthuav dav tom qab tab sis tiv thaiv los ntawm kev ua li ntawd los ntawm qhov elasticity ntawm sub-surface, bulk material.
Vim li cas peening tiav?
Shot peening, tseem hu ua txhaj tshuaj blasting, yog cov txheej txheem ua haujlwm txias siv los ua kom tiav cov hlau kom tiv thaiv kev qaug zog thiab kev ntxhov siab corrosion tsis ua haujlwm thiab ua kom lub neej ntev ntawm cov khoom siv rau qhov.
peening ua li cas rau hlau?
Peening yog txheej txheem ntawm kev ua haujlwm ntawm cov hlau saum npoo los txhim kho nws cov khoom siv, feem ntau yog los ntawm kev siv tshuab, xws li rauj tshuab, los ntawm blasting nrog txhaj tshuaj (shot peening) lossis blasts. ntawm lub teeb beam nrog laser peening. Peening yog ib txwm ua haujlwm txias, nrog laser peening yog qhov tshwj xeeb.
peening txo kev ntxhov siab li cas?
Peening aims kom sib npaug ntawm kev nyuaj siab ntawm cov dej phwj tuaj thaum lub caij txias. Nws koom nrog ncab cov hlaws hlaws hla saum npoo kom nyias tawm, thiab qhov kev txiav txim no txo cov kev ntxhov siab vim los ntawm cov hlau contraction thaum nws txias.
Peening tuaj yeem tswj kev nthuav dav thiab kev cog lus li cas?
Feem ntau, peening the weld bead thins it out by stretching over the surface. Qhov no yuav pab txo cov kev ntxhov siab vim los ntawm kev cog lus ntawm cov hlau thaum nws txias dua. … Thaum lub sij hawm peening, ntotxheej ntawm weld tej zaum yuav tshwm sim nthuav tom qab.