Txhawm rau yuav cov Rolling Shutter Door Spring Boxes zoo, muaj ntau yam tseem ceeb uas yuav tsum xav txog, suav nrog cov khoom siv, sab nraud thiab sab hauv txoj kab uas hla, thiab bracket loj. Nov yog cov lus piav qhia ntawm cov yam no los pab koj txiav txim siab paub.
1. Kev xaiv cov khoom siv
Xaiv cov khoom tsim nyog yog qhov tseem ceeb rau kev ua haujlwm ntev ntawm lub thawv caij nplooj ntoos hlav. GUANGZHOU YOSEN HARDWARE MANUFACTURING CO., LTD siv Q235 galvanized steel phaj rau lawv lub thawv caij nplooj ntoos hlav, uas muab cov xeb zoo heev thiab ua haujlwm ntev. Lub galvanized nto txhim kho cov khoom lag luam lub neej thiab ua kom muaj kev ua tau zoo, txawm tias nyob hauv ib puag ncig hnyav.
2. Sab nraud txoj kab uas hla (OD)
Sab nraud txoj kab uas hla ua lub luag haujlwm tseem ceeb hauv lub thawv caij nplooj ntoos hlav lub peev xwm los tswj kev nruj:
200mm txog 260mm diameters muaj.
Cov kab loj dua (piv txwv li, 240mm, 260mm) tuaj yeem ua kom haum rau qhov loj dua, tuav qhov nro ntau dua thiab muab kev ua haujlwm zoo dua, tswj tau ntau dua rau lub qhov rooj hnyav dua.
Cov kab me me (piv txwv li, 200mm, 220mm) yog qhov tsim nyog rau lub qhov rooj sib zog thiab muaj qhov qhib nrawm dua vim qhov nrawm dua tso tawm.
3. Internal Diameter (ID)
Internal diameters, xws li 42mm, 50mm, thiab 76mm, cuam tshuam cov suab nrov theem thiab smoothness ntawm lub qhov rooj ua haujlwm:
Loj dua sab hauv diameters (piv txwv li, 60mm, 76mm) kom ntseeg tau tias kev ua haujlwm zoo dua, smoother, thiab ua haujlwm ntev dua, vim lawv txo kev sib txhuam.
Cov kab me me (piv txwv li, 42mm, 43mm) tej zaum yuav haum rau cov qhov rooj me me tab sis tuaj yeem ua suab nrov ntau dua thiab muaj kev hnav sai dua lub sijhawm.
4. Bracket Loj
Qhov loj ntawm cov brackets, xws li 70mm, 80mm, thiab 90mm, txiav txim siab theem ntawm kev txhawb nqa:
Cov brackets loj dua (piv txwv li, 90mm) muaj kev ruaj ntseg ntau dua rau cov qhov rooj hnyav dua, kom ntseeg tau lub sijhawm ntev.
Cov brackets me me (piv txwv li, 70mm) haum rau lub qhov rooj sib zog tab sis yuav tsis muaj kev txhawb nqa txaus rau kev ua haujlwm hnyav.
5. Qhov twg yuav
Rau cov khoom siv lub caij nplooj ntoos hlav zoo thiab cov khoom siv, GUANGZHOU YOSEN HARDWARES MANUFACTURING CO., LTD yog tus neeg muag khoom ntseeg siab. Yosen muab:
Rolling Shutter Door Spring Boxes
Pulleys
Locks
Torsion Springs
Qhov Rooj Slats
Ntau qhov rooj accessories
Yosen tseem muab kev pabcuam OEM & ODM, tso cai rau cov neeg siv khoom tuaj yeem kho cov khoom raws li lawv cov kev xav tau tshwj xeeb, xws li sab nraud thiab sab hauv txoj kab uas hla, hom kabmob, thiab qhov ntau thiab tsawg. Nrog xyoo dhau los, Yosen lav cov khoom lag luam uas ua tau raws li cov qauv zoo thoob ntiaj teb thiab cov neeg siv khoom txaus siab.
