Ntoo rau Steel Decking Screws

Cov xov geometry tsis ntawm Timber To Steel Decking Screws yog txawv raws li cov yam ntxwv ntawm ob cov ntaub ntawv txuas. Sab sauv ib nrab ntawm cov xov siv cov hniav sib sib zog nqus los txhim kho lub zog tuav hauv cov ntoo, thaum ib nrab qis siv cov hniav ntiav kom txo qis kev sib txhuam thaum tapping hauv steel phaj. Raws li ISO 1478 cov kev cai ntawm cov xov loj ntawm tus kheej -tapping screws, txheej kab ntawm lub qaum xov ntawm ST5.5 screws yog 5.5 hli thiab xov qhov tob yog 0.8 hli. Sab nraud txoj kab uas hla ntawm cov xov qis yog txo mus rau 5.2 hli thiab cov xov qhov tob yog 0.6 hli. Qhov kev tsim segmented no tso cai rau cov ntsia hlau nkag mus rau hauv ntoo thiab nkag mus rau lub phaj steel. Thaum cov ntsia hlau nkag mus rau hauv cov ntoo thiab nkag mus rau hauv cov hlau phaj, nws cov tapping torque yog li 20% qis dua qhov sib npaug ntawm txoj kab uas hla. Raws li DIN 7500 Part 1 Test Method for Screw{16}}hauv Torque, qhov ntsuas peak ntsia hlau{17}}hauv torque yog 3.2 Nm, thaum piv piv nrog cov kab sib npaug ntawm cov xov sib npaug mus txog 4.0 Nm. Muaj ib qho zawv zawg nyob rau hauv lub taub hau ntsia hlau, uas tuaj yeem txiav cov kab tapered counterbore thaum cov ntsia hlau nkag mus rau hauv cov ntoo saum npoo, kom lub taub hau ntws nrog cov ntoo. Raws li ASTM D143 siv txoj kev rau ntoo ntoo khaub lig-cov nplej compression test, cov qauv counterbore no tuaj yeem nthuav dav cov kev ntxhov siab ntawm cov ntoo ntawm thaj tsam li 30% raws li qhov kev txiav txim ntawm pretightening quab yuam, zoo txo ​​qhov kev pheej hmoo ntawm lub zos crushing ntawm ntoo fibers.

 

 

Nyob rau hauv cov nqe lus ntawm kev tsim kho efficiency thiab ntev - lub sij hawm cia siab rau, cov ntsia hlau nti nti flute tau optimized rau cais steel chips thiab ntoo chips thaum lub sij hawm tus txheej txheem ntawm drilling los ntawm steel phaj, tiv thaiv sib xyaw chips los ntawm clogging cov xov flanks thiab cuam tshuam rau tom. Raws li qhov tseeb ntsuas cov ntaub ntawv, thaum lub nti flute dav yog 25% ntawm cov xov sab nraud, lub nti tshem tawm efficiency tuaj yeem ncav cuag 92%, uas yog qhov zoo dua li 76% thaum lub flute dav yog 15%. Cov kev ntsuam xyuas tau pom tias qhov ua kom zoo tshaj plaws nti flute txo lub sijhawm nruab nrab rau kev teeb tsa txuas ntxiv ntawm tsib caug screws los ntawm 7.2 feeb mus rau 5.8 feeb. Lub anti{10}}corrosion system ntawm cov ntsia hlau txais kev tiv thaiv dual ntawm kub-dip galvanizing thiab organic txheej. Raws li ASTM B117 ntsev tsuag tshuaj ntsuam, tseem tsis muaj xeb liab ntawm txheej txheej tom qab ob txhiab teev raug. Nyob rau tib lub sijhawm, tom qab kev sim 48-teev raws li ISO 9227 tooj liab nrawm nrawm acetic ntsev tshuaj tsuag, tsis muaj qhov xeb ntawm cov xov flanks thiab cov lus qhia.

 

 

Raws li kev nthuav dav thiab kev cog lus ntawm cov ntoo vim qhov hloov pauv ntawm cov av noo, qhov ntev ntawm cov ntsia hlau polished seem ntawm cov ntsia hlau yog raws li DIN 68121 qhia cov axial deformation ntawm cov qauv ntoo txuas, uas yog tsim los ntawm 20% ntawm tag nrho cov thickness ntawm cov ntoo. Qhov no tsis yog -threaded cheeb tsam tso cai rau cov ntoo kom nthuav dav thiab cog lus raws cov ntsia hlau axis thaum cov dej noo hloov pauv yam tsis muaj kev ntxhov siab ntxiv. Raws li kev simulation simulation, thaum cov ntoo noo noo cov ntsiab lus yog 100% Nyob rau hauv tus txheej txheem ntawm nce los ntawm 8% mus rau 18%, lub pretightening quab yuam attenuation tus nqi ntawm cov kev twb kev txuas node siv lub polished qws tsim tsuas yog 4%, uas yog tsawg tshaj li 12% ntawm tag nrho threaded ntsia hlau, yog li tswj qhov kev twb kev txuas stability thiab structural integrity ntawm lub sij hawm ntev {{10} lub sij hawm terrace.

 

 

 

 

 

JOYEAR muab siab - ntim, muaj txiaj ntsig zoo rau cov khoom lag luam rau cov neeg siv khoom thoob ntiaj teb. Peb cov khoom siv hlau yog cov kws tshaj lij crafted. Yog tias koj xa koj cov ntaub ntawv tsim tawm rau peb, txawm tias lawv yog cov ntawv sau lossis cov qauv, peb pab neeg muaj peev xwm yuav tsim cov khoom tsim nyog uas ua rau koj xav tau.

★Peb cov khoom muaj xws li:

►Khoom siv:Carbon steel / Mild steel / Cov qauv hlau / Stainless hlau / Aluminium / tooj liab, thiab lwm yam.

►Daim ntawv:Cov ntawv / Profiles / Tubes / Round bars / Flat tuav / Square tuav, thiab lwm yam.

 

 

Tau txais cov duab kos los ntawm cov neeg siv khoom lossis tsim cov duab kos raws li lawv cov kev qhia tshwj xeeb lossis cov qauv.

Cov duab kos, cov khoom siv raw, kev kho deg, thiab lwm yam ntsiab lus tau lees paub los ntawm ob tog.

 

 

 

 

Muab cov lus tsocai, lees paub qhov kev txiav txim kom muaj nuj nqis, thiab suav nrog tag nrho cov ntaub ntawv ntsig txog.

Zoo li cov nqe lus ntawm kev them nyiaj, cov nqe lus ntawm kev lag luam, hom ntim, thiab lwm yam.

 

 

 

Thaum tsim cov khoom, ua raws li cov qauv kos duab thiab qauv.

Tom qab qhov kev tshuaj ntsuam zaum kawg, nws tau raug ntim thiab xa mus rau cov neeg siv khoom.

 

 

 

 

 

 

 

 

 

 

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