1. Dab tsi yog txiv ntseej?
Ib tug txiv ntseejyog ib hom fastener tsim los siv ua ke nrog lub bolt, ntsia hlau, los yog stud; nws tsim clamping quab yuam los ntawm threaded kev koom tes kom ruaj ntseg cov khoom ua ke. Raws li ib qho ntawm cov khoom siv ceev ceev tshaj plaws hauv kev lag luam niaj hnub no, cov txiv ntoo tau siv dav hauv ntau qhov chaw, suav nrog kev tsim tsheb, kev tsim kho, tshuab, hluav taws xob, aerospace, thiab lub zog tshiab.
Txawm hais tias tus qauv ntawm cov txiv ntoo tuaj yeem tshwm sim yooj yim, yam xws li cov khoom siv, qhov loj me, cov qauv xov, thiab cov qauv tsim ncaj qha cuam tshuam rau kev ua haujlwm nrawm, kev nyab xeeb, thiab kev pabcuam lub neej. Yog li, kev nkag siab txog cov ntsiab lus ntawm cov txiv ntoo yog qhov tseem ceeb rau kev yuav khoom, kev tsim khoom, thiab kev siv engineering.
2. Cov qauv ntawm cov txiv ntoo
-Tshooj qhov
Lub qhov threaded yog cov txheej txheem tseem ceeb ntawm cov txiv ntoo; nws ua tiav txhua yam ntsuas phoo los ntawm kev koom nrog cov xov ntawm ib qho ntsia hlau sab nraud. Cov xov xov tshwj xeeb yuav tsum feem ntau sib xws ntawm cov ntsia liaj qhov rooj, suav nrog:
Xov txoj kab uas hla
Xov xov
Xov hom
Qib Precision
Cov qauv xov zoo xws li Metric threads, Unified threads (UNC/UNF), thiab Imperial threads.
-Kev teeb tsa sab nraud
Cov duab sab nraud ntawm cov txiv ntoo txiav txim siab nws txoj kev teeb tsa thiab thauj khoom -cov kabmob muaj peev xwm. Cov duab uas muaj xws li:
Hexagonal: Hom ntau tshaj plaws, tsim nyog rau kev teeb tsa nrog lub ciaj ntswj
Square: Muaj kev tiv thaiv zoo rau kev sib hloov
Round: Feem ntau siv rau hauv cov khoom siv kho tshuab tshwj xeeb
Wing -zoo li tus: Ua kom yooj yim rau kev teeb tsa thiab tshem tawm
3. Taw qhia txog hom txiv ntseej
Cov txiv ntoo tuaj yeem muab faib ua ntau hom raws li lawv cov qauv thiab daim ntawv thov:
- Hex noob
Hex txiv ntseej yog hom txiv ntoo uas siv ntau tshaj plaws hauv kev siv thiab feem ntau ua ke nrog hex bolts.
Nta:
Cov qauv yooj yim
Mature manufacturing txheej txheem
Siab load-cov kabmob muaj peev xwm
Kev siv dav dav
Feem ntau siv hauv cov cuab yeej siv tshuab, cov qauv hlau, thiab cov khoom siv tsheb sib txuas.
- Xauv txiv ntoo
Locking ceev yog tsim los tiv thaiv kev sib txuas los ntawm kev xoob vim cov khoom siv vibration.
Cov hom muaj xws li:
Nylon xauv ceev
Tag nrho - hlau xauv ceev
Flange xauv ceev
Cov txiv ntoo no tau siv dav hauv tsheb, tsheb thauj mus los, thiab cov tshuab hnyav.
4-Flange txiv ntseej
Flange txiv ntseej muaj lub tshuab ntxhua khaub ncaws-zoo li flange ntawm lub hauv paus, uas ua rau kom cov khoom thauj ntau dua -cov kabmob ntawm thaj chaw.
Qhov zoo:
Txo qhov siab ntawm qhov chaw
Txhim khu kev sib txuas ruaj khov
Muaj peev xwm tshem tawm qhov xav tau ntawm cov tshuab ntxhua khaub ncaws
Feem ntau siv nyob rau hauv automotive manufacturing thiab industrial assembly.
-Wing Nut
Wing nuts feature tis-zoo li qhov projections, tso cai rau lawv kom nruj ntawm tes yam tsis muaj cuab yeej.
Daim ntawv thov:
Rooj tog thiab khoom siv
Cov khoom siv hluav taws xob
Cov qauv yuav tsum tau nquag disassembly
- Cap Nut
Cap txiv ntseej muaj lub kaw sab saum toj uas tiv thaiv cov xov thaum txhim kho kev zoo nkauj.
Feem ntau siv rau:
Kho kom zoo nkauj fixtures
Automotive sab nrauv Cheebtsam
Cov khoom siv rooj tog
4. Cov khoom siv rau cov txiv ntseej
Cov khoom ntawm cov txiv ntoo txiav txim siab nws lub zog, kev tiv thaiv corrosion, thiab haum rau ib puag ncig tshwj xeeb.
Carbon steel txiv ntoo
- Khoom Khoom: Tsawg- carbon steel; kuj tsis muaj zog
- Muaj Cov Nto Nto: Dub oxide, electro-galvanized (zinc plating), xim zinc plating
- Cov Ntawv Thov: Cov txee, rooj tog zaum, lub teeb- siv lub luag haujlwm, cov tshuab dav dav, tsis yog - cov rooj sib txoos sab hauv tsev tseem ceeb
- Kev txwv kev siv: Tsis haum rau hnyav-load, siab- kub, lossis ntev- raug sab nraum lub sijhawm
45 # hlau
- Khoom Khoom: Nruab Nrab- carbon steel; haum rau quench-thiab- kev kho cua sov; nruab nrab lub zog
- Tau tshaj Bolt Qib: Qib 8.8 hex taub hau bolts
- Cov Kev Lag Luam Muaj Peev Xwm: Cov tshuab dav dav thiab cov cuab yeej siv, cov khoom siv tsim kho, tshuab ua liaj ua teb
Alloy steel txiv ntoo
35CrMoA
- Qhov kub thiab txias: -100℃txog 500 degree
- Khoom nta: Zoo heev -kub creep kuj
- Kev lag luam muaj feem xyuam: boilers, fais fab nroj tsuag, petrochemical tej yaam num, siab nkoj fasteners
42CrMo / 40CrMo
- Cov yam ntxwv ntawm cov khoom: siab zog, zoo toughness, qaug zog tsis kam, thiab tsis kam mus rau qhov kub thiab txias
- Kev lag luam muaj feem xyuam: Roj pipelines, LNG cia tank, heavy engineering machinery, mining khoom
Engineering yas txiv ntoo
PA66 Nylon txiv ntoo
- Khoom Nta: Insulating, xeb- pov thawj, thiab muaj cov khoom siv los tiv thaiv-loosing zog
- Daim Ntawv Thov: Cov khoom siv hluav taws xob rwb thaiv tsev, cov khoom siv rau cov nylon xauv ceev
PEB Nut
- Khoom Nta: Siab-kub tsis kam, tshwj xeeb corrosion kuj, siab -kev ua tau zoo tshwj xeeb yas
- Kev Lag Luam Kev Lag Luam: Cov khoom siv tshuaj ua haujlwm, kev lag luam semiconductor, siab - cov khoom siv hauv chav kuaj kawg