Txheej txheem cej luam ntawm kev txhim kho hauv tsev dej cov yeeb nkab fittings: Cov khoom siv ntawm cov yeeb nkab dej hauv kev txhim kho hauv tsev yog ib qho tseem ceeb ntawm kev txhim kho cov dej hauv tsev, tab sis cov kav dej yog txhua yam txuas nrog cov khoom siv sib xws. Peb txhua tus paub tias cov kav dej hauv paus yog 3m lossis 4m txhua, yog li yuav tsum muaj cov pob qij txha sib txuas, thiab cov luj tshib yuav tsum tau ntxiv rau ntawm cov ces kaum, yog li cov khoom siv kuj tseem ceeb tshwj xeeb hauv cov kav dej. Yog hais tias qhov zoo ntawm cov fittings tsis zoo, qhov sib txuas ntawm cov kav dej yog feem ntau to los yog tawg.
Thawj hom yeeb nkab haum yog qhov ncaj -los ntawm. Qhov ncaj- los ntawm kev ua haujlwm feem ntau yog kev sib txuas ntawm cov kav dej thiab cov kav dej. Ib kawg yog yas, thiab lwm qhov kawg yog yas. Ob lub kav dej tuaj yeem txuas ua ke los ntawm kev kub yaj. Qhov ncaj-los ntawm yog ib hom kev sib txuas, thiab nws txoj haujlwm yog txuas ob lub kav dej ntawm kev sib txuas ntawm ob lub kav dej hauv txoj kab ncaj nraim. Nws tuaj yeem faib ncaj qha rau hauv rub-txo ncaj qha thiab sib npaug- txoj kab uas hla ncaj qha. Thaum lub raj xa dej ntev tsis haum, kev sib txuas ncaj qha tuaj yeem siv tau.
Qhov thib ob hom yeeb nkab haum yog 45-degree luj tshib. Lub luj tshib 45-degree yog siv los paub txog kev hloov ntawm lub kaum sab xis ntawm cov yeeb nkab. Muaj ob hom ntawm 45-degree lub luj tshib: ib qho yog qhov sib npaug-inch 45-degree luj tshib nrog tib txoj kab uas hla ntawm ob qho tag nrho, thiab lwm yam yog qhov sib txawv-inch 45-degree luj tshib nrog inconsistent diameters ntawm ob qho tib si.
Qhov thib peb ntawm cov yeeb nkab haum yog 90-degree luj tshib. Lub luj tshib 90-degree feem ntau yog siv rau qhov twg cov raj xa dej ua rau lub kaum sab xis khoov, thiab tsim nyog rau kev txuas ob lub kav dej nrog lub kaum sab xis ntawm 90 degrees. Zoo li lub luj tshib 90-degree, ob qhov kawg ntawm lub caliber yog qhov zoo ib yam, thiab cov nyhuv nws ua tiav yog tib yam li qhov sib npaug ntawm txoj kab uas hla 45-degree lub luj tshib, uas tuaj yeem siv los txuas cov kav dej ntawm tib qhov kev qhia.
Qhov thib plaub yog peb txoj kev -. Lub tee yog ib qho khoom siv feem ntau siv hauv cov raj xa dej, thiab nws tseem hu ua yeeb nkab haum tee, tee yeeb nkab haum lossis tee sib koom ua ke. Nws yog feem ntau yog siv rau kev sau ntawm peb lub raj xa dej nrog tib lossis sib txawv diameters. Lub luag haujlwm tseem ceeb yog txhawm rau txiav cov yeeb nkab thiab hloov cov kev taw qhia ntawm cov dej ntws. Peb cov kav dej uas muaj tib txoj kab uas hla yog sib npaug - txoj kab uas hla tees, thiab cov kab sib txawv yog hu ua txo tees.
Qhov thib tsib yog tus choj khoov. Choj khoov, tseem hu ua choj los yog yeeb nkab- qhwv txuas hniav. Nws lub luag haujlwm tseem ceeb yog tias thaum ob txoj kab tseem ceeb tau teeb tsa hauv daim ntawv hla, lub raj xa dej sab saud yuav tsum tau nruab nrog lub luj tshib, kom cov kav dej txuas tsis raug thaiv los ntawm lwm cov kav dej. Lub hom phiaj tseem ceeb ntawm kev hla tus choj khoov yog ua kom lub raj xa dej hla tau yooj yim thiab txo qhov siab nce hauv av.