First, see whether the steel plate frame has burr, sharp mouth, the best case of long silver industrial control is often edged, at least after grinding treatment, will never let you in the installation of "scarred";
Ob, saib seb lub chassis thav duab muaj zog thiab ruaj khov, txoj kev yooj yim yog nqa lub zog co, yog tias muaj kev co lossis deformation, nws yeej tsis zoo;
Peb, kom pom seb qhov kev tsim khoom sab hauv puas yog kev tshaj lij, xws li kev teeb tsa ntawm lub motherboard lub sij hawm lub thawv rau ntawm txoj hauj lwm xuas nrig ntaus, qhov loj me yog sib npaug, qhov chaw tsav thiab ntxig daim npav txoj hauj lwm yog qhov tseeb.
Plaub, saib seb puas muaj EMI tiv tauj, uas yog, muaj ntau qhov me me nyob ib ncig ntawm lub phaj sab. Nws tuaj yeem txo cov nthwv dej electromagnetic, uas muaj txiaj ntsig zoo rau tib neeg kev noj qab haus huv.
