Kev txhuam-sawing tshuab yog siv ntau rau kev txiav cov qauv hlau xws li raws li kuv kab, kab, thiab cov ces kaum. Lub log txiav, nrog lossis tsis muaj cov hniav, tig ntawm qhov nrawm nrawm uas cov cua sov los ntawm kev sib txhuam ntawm kev sib cuag yog txaus kom tshem tawm cov hlau los ntawm…
Kev sib txhuam saw siv yog dab tsi?
Kev Sib Tw Loj Loj: Siv rau kev sib txhuam txiav cov pa roj carbon monoxide thiab cov hlau alloy, feem ntau ntau daim. Cov hniav txhuam hniav siv los ua kom muaj kev sib txhuam kub thaum txiav.
Kev sib txhuam pom ua haujlwm li cas?
Friction bandsawing ua haujlwm li cas? Cov khoom yog tuav kom nrawm nrawm mus rau qhov ntev pom cov hniav feem ntau khiav ntawm 6,000-18, 000 f.p.m. Qhov kev sib txhuam siab kub tsim tso cai rau cov saw saw hniav kom hlawv lossis yaj cov khoom thaum cov hniav txhuam hniav tshem tawm cov hlau molten los ntawm cov khoom ua haujlwm.
3 hom sawing yog dab tsi?
Nws muaj peb yam tseem ceeb ntawm lub tshuab sawing tshuab: rotating hniav, reciprocating hniav thiab circulating hniav.
Yuav txhais li cas yooj yim ntawm sawing?
1. Ciav lossis faib nrog saws. 2. Los tsim lossis tsim nrog lub saw: sawed ib lub qhov hauv lub rooj tsavxwm.
