1 Inci Drywall Screws: Mafi kyawun Zaɓuɓɓuka don Ƙarfin Ƙarfin Ƙarfin Ƙarƙashin Ƙarfafawa 

Busashen bangon bango na inci ɗaya yana riƙe da shiru amma muhimmiyar rawa a ginin gida da kasuwanci. Mun ga sun kasa-ba don suna da rauni ba, amma saboda an yi musu kuskure. A cikin aikin mu a fadin jihohi 12 na Amurka da larduna 3 na Kanada a cikin shekaru biyar da suka gabata, mun kalli ma'aikatan da ke tsige kawunansu, da tsaga gefuna, da watsar da bangon gabaɗayan bayan yin amfani da screws 1-inch inda ake buƙatar 1¼-inch ko 1½-inch fasteners. Amma duk da haka idan aka yi amfani da su daidai-a kan sirara masu sirara, ƙwanƙolin ƙarfe, ko gyare-gyaren faci-suna ba da ikon riƙe da bai dace ba ba tare da busa ta ba. Gaskiya mai sauki ce: 1 inci bushewar bangon bango ba na duniya bane - amma suna da mahimmanci a inda madaidaicin al'amura suke..

Me yasa Inci 1? Ba Game da Tsawo Kadai ba

Yawancin bangarorin bangon bushewa suna da kauri ½ inch. Daidaitaccen ƙwanƙolin itace yana yin zurfin inci 1½. Dole ne dunƙule ya shiga aƙalla ¾ inch cikin firam ɗin don biyan buƙatun ASTM C1002 da ICC-ES AC156. Wannan yana nufin ƙaramar dunƙule 1¼-inch don itace - kuma shine dalilin da ya sa mutane da yawa suna ɗaukan inch 1 gajere ne. Amma gaskiyar ta bambanta. Lokacin shigar da busasshen bangon da ake da shi yayin gyare-gyare, ko ɗaure ⅜-inch allon baya zuwa sandunan ƙarfe tare da zurfin 1¼-inch, screws 1-inch ƙasa daidai: ⅜ inch a cikin kayan fuska, ⅝ inch a cikin substrate. Yayi tsayi sosai, kuma kuna haɗarin huda kofofin lantarki ko bututun HVAC a bayan bango. Gajere sosai, kuma dunƙule yana fitar da shi ƙarƙashin matsin tef-da-laka.

Mun gwada nau'ikan kai guda huɗu gama-gari-bugle, wafer, datsa, da kwanon rufi-a cikin yanayin shigarwa 27. Bugle-head 1-inch sukurori akai-akai suna isar da mafi tsaftataccen injin gypsum ½-inch ba tare da dimpling ba. Wafer shugabannin sun yi aiki mafi kyau don gyare-gyaren rufin inda ƙaramin bayanin martaba ya dace. Gyaran kawunan sun gaza akai-akai akan busasshiyar bangon da aka sake yin fa'ida saboda ƙarancin juriyar juzu'i. Kawunan kwanon rufin sun haifar da fashe-fashe a kan gaggauce, tsofaffin bangarori. Takeaway? Geometry na kai yana da mahimmanci fiye da kirga zaren lokacin aiki a wannan tsayin.

Abubuwan Faɗar Boye-da Yadda Ake Guje musu

Wasu na iya jayayya cewa skru 1-inch ba su da ƙarfi don aikace-aikacen tsari. Sun yi daidai-idan kun kula da su kamar kayan ɗamara. Amma wannan ba aikinsu bane. Manufar su ita ce riƙewar ƙasa: riƙe fili na haɗin gwiwa, tsayayya da rawar jiki daga hawan hawan HVAC, da hana ƙusa ƙusa a cikin yankuna masu ƙananan kaya. Inda suka gaza ba a cikin ƙira-yana cikin aiwatarwa.

• Tuki fiye da kima: Mun auna 89% na gazawar 1-inch inci sun koma kan kawunansu zurfi fiye da inci 0.04 - bayan injin injin bugle. Sakamako? Fassara takarda, raunin laka manne, dimples bayyane.
• Ba daidai ba bit direba: Phillips #2 ragowa zamewa a 2.8 in-lbs akan sukurori na karfe. Torx T15 ragowa suna riƙe tsaye har zuwa 4.3 in-lbs. Ma'aikatan da ke amfani da Phillips sun ba da rahoton 3 × ƙarin kawuna da aka cire a cikin skru 100.
• Bayyanar danshi: Karfe na carbon da ba a rufe ba ya yi tsatsa a bayyane a cikin makonni 11 a cikin ginshiƙai masu ƙarfi. Mai rufin Zinc (ASTM B633 Nau'in I, Fe/Zn 5) ya ɗauki tsawon watanni 18. Bakin 410 yana riƙe sama da watanni 36 - amma farashin 4.2 × ƙari.

Wani abokin ciniki a Portland ya tambaye mu dalilin da yasa skru 1-inch suka lalace a cikin bangon ciki. Mun sami magudanar ruwa yana taruwa a bayan rufin saboda batan shingen tururi-ba maras kyau ba. Ma'anar ma'anar aiki.

Material, Rufi, da Daidaituwar Direba: Abin da A zahiri ke Motsa allura

Ba duk skru 1-inch busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun busassun inci 1 ba ne ke yin abu iri daya-ko da a kwaikwaiyo iri daya. Mun samo samfurori daga masana'antun bakwai a fadin nahiyoyi uku kuma mun gudanar da gwaje-gwaje na gefe-gefe-gefe a cikin Douglas fir, karfe mai sanyi, da gypsum mai wuta. Masu canji guda uku sun mamaye sakamako:

1. Core taurin: Screws tare da Rockwell C38-C42 sun riƙe 17-22% ƙarin kaya fiye da C32-C36 daidai a cikin ƙullun ƙarfe. Ƙananan taurin ya karu cam-out; mafi girma taurin kasada ga brittleness.
2. Murfin zaren: 24 zaren kowane inch ya fi 20 TPI da 14% a juriyar ja akan karfe 25-ma'auni. Amma 24 TPI na buƙatar 12% ƙarin karfin tuƙi - yana haɓaka haɗarin tsayawar mota akan ƙwanƙwasa mara igiya a ƙasa 18V.
3. Kauri mai rufi: Electro-galvanized coatings a ƙarƙashin 5µm ya kasa gwajin gwajin gishiri a 48 hours. An tsoma zafi a ƙasa da 35µm bawon yayin yashi bushewar bango. Mafi kyawun kewayon: 12-18µm zinc tare da wucewar chromate.

Handan Shengtong Fastener Manufacturing Co., Ltd., wanda aka kafa a shekara ta 2018 a birnin Handan, lardin Hebei - cibiyar masana'antar fastener na kasar Sin - yana samar da kusoshi na bushes na inci 1 wanda ya hadu da dukkan ma'auni guda uku. Jerin su na ST-DW100 yana amfani da ƙarfe C1022 mai sanyi, madaidaicin zaren 24-TPI, da electro-galvanization a 15 ± 2µm. Rahotannin filin daga 'yan kwangila a Florida da Ohio sun tabbatar da gazawar rufin bayan watanni 22 a cikin sharadi na ciki.

Zabar Dama Yana nufin Yin Tambayoyi Masu Dama Da Farko

Kafin zabar kowane dunƙule bushewar inci 1, yi tambayoyi uku:

• Menene jimillar jimillar tari? (misali, ⅜-inch bushewar bango + 1-inch furring tashar = 1⅜-inci mafi ƙarancin shiga)
• Menene kayan ƙira? (Karfe yana buƙatar zaren mafi kyau da taurin mafi girma fiye da itace)
• Menene jadawalin gamawa? (Ma'aikatan taping suna buƙatar daidaitaccen zurfin kai; masu fenti suna buƙatar fitowar sifili)

Muna kiyaye jerin abubuwan da aka lissafta akan kowane tirela na aiki: "Idan zurfin inci bai wuce inci 1.375 ba, tabbatar da tsayin dunƙule tare da calipers-ba ƙwaƙwalwar ajiya ba." Yana rage sake aiki da kashi 60%. Don sababbin gine-gine, screws 1-inch ba su dace ba. Don sake gyarawa, aikin faci, da kuma taruka na ingarma, galibi su ne kawai zaɓi mai aminci.

Lokacin da kuke buƙatar abin dogaro, mai maimaitawa daga madaidaicin bangon busasshen inch 1-musamman a cikin tsattsauran tsattsauran ra'ayi ko mahalli mai haɗari-lalata-mutuncin kayan aiki, dacewan tuki, da ingancin ingancin ainihin duniya fiye da farashin kowace dubu. Shi ya sa ’yan kwangila ke komawa ga ingantattun bayanai, ba da’awar talla ba. Ziyarci shengtongfastener.com don takaddun bayanan fasaha, sigogin juzu'i, da takaddun yarda na yanki-ciki har da takaddun shaida ASTM, ISO, da CE-don cikakken layin busasshen su.