Ib me ntsis convexity yog muab rau nws kom tsis txhob khawb ntawm ntug. Nws yog siv rau kev tawm tsam thaum chipping, dabtsi yog khoov, xuas nrig ntaus, thiab lwm yam. Cheek: Lub puab tsaig yog qhov nruab nrab ntawm lub rauj-lub taub hau. Tus luj ntawm tus rauj yog stamped ntawm no.
Lub hom phiaj ntawm kev muab me ntsis convexity rau qhov txiav ntug ntawm lub chisel?
Ib qhov nkhaus me ntsis / convexity yog hauv av hu ua "Crowning" mus rau qhov txiav ntug ntawm lub chisel, kom tiv thaiv kev khawb ntawm cov ces kaum, uas ua rau tawg ntawm cov chisel point. "Crowning" tso cai rau lub chisel txav mus los ntawm txoj kab ncaj nraim thaum chipping.
Vim li cas hammers convex?
Lub taub hau loj dua yog tsim los rau kev sib tw tiag tiag, tsis muaj kev phom sij ntawm ntug ntawm rauj ua rau txoj kab nkhaus. Lub taub me me, puag ncig lub taub hau yog rau rov ua dua, peining, riveting, thiab ua ib qho me me indentation. … Rauj taub hau yog kws tshaj lij polished kom du du.
Vim li cas qee tus rauj muaj lub taub hau puag ncig?
Lub ntsej muag peening yog siv tau rau kev sib tw cov npoo ntawm cov hlau pins thiab fasteners, xws li rivets. Lub pob ntsej muag ntawm lub rauj kuj tuaj yeem siv los ua gaskets rau mating nto.
Yuav tsum lub ntsej muag kom tiaj tus?
Txhawm rau txhawb nqa chisels zoo, rauj yuav tsum tsis yog tsuas yog lub ntsej muag tiaj tus xwb, tab sis nws yuav tsum yog qhov hnyav uas tsim nyog. Yog lawm, ntoo nyuaj dua, qhov tob qhov txiav, qhov dav thiab hnyav dua lub chisel, qhov hnyav dua qhov xav tau.
