Qhov qhib qhov ntev thiab qhov ntev ntawm cov qhov rooj ntoo hluav taws yuav tsum ua raws li cov kev cai ntawm GB 5824 "Series of Dimensions for Building Door and Window Openings".
Manufacturing yuav tsum tau rau ntoo hluav taws qhov rooj:
(1) Lub qhov rooj thiab lub qhov rooj nplooj tuab dua 50 hli yuav tsum siv ob leeg tenon pob qij txha. Thaum sib sau cov thav duab thiab nplooj, lub tenon thiab mortise yuav tsum nruj nreem, glued nrog nplaum, thiab nruj nreem nrog cov nplaum wedges.
Lus Cim: Hauv cov chaw ntub dej, Cov khoom siv qib I yuav tsum siv dej -cov tshuaj tiv thaiv phenolic resin nplaum, thiab cov khoom qib II tuaj yeem siv cov khoom siv semi- dej- tiv taus urea -formaldehyde resin nplaum.
(2) Thaum tsim lub qhov rooj plywood (xws li lub qhov rooj fiberboard), lub thav duab thiab crossbars yuav tsum nyob rau tib lub dav hlau, thiab txheej txheej, ncej, thiab crossbars yuav tsum tau siab - khi nrog nplaum. Ntau tshaj li ob lub qhov cua yuav tsum tau drilled nyob rau hauv txhua tus crossbar thiab sab saum toj thiab hauv qab rails los tiv thaiv delamination los yog o vim ya raws.
(3) Kev tsim khoom zoo ntawm lub qhov rooj yuav tsum ua tau raws li cov hauv qab no:
- Qhov saum npoo yuav tsum du los yog xuab zeb, thiab yuav tsum tsis muaj cov cim kev npaj, burrs, lossis rauj cov cim.
- Cov kab ntawm cov thav duab thiab nplooj yuav tsum ua raws li cov qauv tsim, thiab cov ces kaum thiab cov pob qij txha yuav tsum nruj thiab tiaj tus.
- Daim me me thiab luv luv ntawm cov qhov rooj thiab cov plywood lossis fiberboard qhov rooj nplooj tsis raug tso cai rau delaminate. Plywood tsis raug tso cai kom muaj lub ntsej muag veneer los ntawm lossis muaj kev hla - cov khoom tsis xws luag.
- Qhov kev tso cai rau kev tsim cov qhov rooj yuav tsum ua raws li cov lus qhia 5.1-1.
