Cov yam ntxwv ntawm cov qauv ntawm ob-suab roller chains

Cov yam ntxwv ntawm cov qauv ntawm ob-suab roller chains

Hauv kev lag luam xa khoom thiab xa khoom, cov saw hlau ob chav suab, ua tsaug rau lawv qhov kev hloov pauv mus rau qhov deb ntawm qhov chaw loj thiab qhov poob qis, tau dhau los ua cov khoom tseem ceeb hauv cov tshuab ua liaj ua teb, kev thauj khoom hauv av, thiab cov khoom siv lag luam me. Tsis zoo li cov saw hlau ib txwm muaj, lawv cov qauv tsim tshwj xeeb txiav txim siab lawv qhov ruaj khov thiab kev ua haujlwm zoo dua li qhov deb ntev. Tsab xov xwm no yuav muab kev tshuaj xyuas tob txog cov yam ntxwv ntawm cov qauv ntawmob lub suab roller chainslos ntawm peb lub zeem muag: kev tshuaj xyuas cov qauv tseem ceeb, kev tsim qauv, thiab kev sib raug zoo ntawm kev ua tau zoo, muab cov ntaub ntawv qhia txog kev xaiv, kev siv, thiab kev saib xyuas.

I. Kev Tshawb Fawb Txog Cov Qauv Tseem Ceeb ntawm Ob Chav-Suab Roller Chain

Qhov "double pitch" ntawm cov saw hlau ob-pitch hais txog qhov deb ntawm qhov chaw nruab nrab ntawm cov saw hlau (qhov deb ntawm qhov chaw nruab nrab ntawm tus pin mus rau qhov chaw nruab nrab ntawm tus pin uas nyob ib sab) uas yog ob npaug ntawm cov saw hlau ib txwm muaj. Qhov kev tsim qauv sib txawv no ua rau muaj kev tsim qauv tshwj xeeb ntawm plaub lub hauv paus tseem ceeb hauv qab no, uas ua ke pab txhawb rau nws cov txiaj ntsig kev ua haujlwm.

1. Cov Txuas Saw: Ib Chav Tsav Tsheb "Longer Pitch + Simplified Assembly"
Tsim Qhov Siab: Siv qhov siab ob npaug ntawm cov saw hlau txheem (piv txwv li, qhov siab ntawm cov saw hlau txheem ntawm 12.7 hli sib raug rau qhov siab ntawm cov saw hlau ob npaug ntawm 25.4 hli). Qhov no txo ​​tag nrho cov xov hlau rau tib qhov ntev ntawm kev sib kis, txo qhov hnyav ntawm cov saw hlau thiab qhov nyuaj ntawm kev teeb tsa.
Sib dhos: Ib lub tshuab tsav tsheb muaj "ob lub phaj txuas sab nraud + ob lub phaj txuas sab hauv + ib pawg ntawm cov menyuam bushings," es tsis yog "ib pawg ntawm cov phaj txuas rau ib lub suab" ib txwm muaj ntawm cov saw hlau ib txwm muaj. Qhov no ua rau cov khoom suav yooj yim dua thaum txhim kho kev ruaj khov ntawm kev thauj khoom ib lub suab.

2. Cov Rollers thiab Bushings: Ib qho "High-Precision Fit" rau Drag Reduction
Cov Khoom Siv Rau Cov Menyuam: Feem ntau yog ua los ntawm cov hlau uas tsis muaj carbon (piv txwv li, 10 # hlau) uas tau dhau los ntawm kev kho mob carburizing thiab quenching, ua tiav qhov nyuaj ntawm HRC58-62 kom ntseeg tau tias hnav tsis kam thaum sib xyaw nrog lub sprocket. Cov hlau tsis xeb lossis cov yas engineering yuav siv tau rau kev tiv thaiv corrosion hauv qee qhov kev siv hnyav. Kev Tsim Tes Tsho: Lub tes tsho thiab cov menyuam muaj qhov sib txawv (0.01-0.03mm), thaum lub qhov sab hauv thiab tus pin muaj qhov sib txawv. Qhov no tsim cov qauv peb txheej rub-txo: "pin fixation + tes tsho tig + dov rau cov menyuam." Qhov no txo ​​​​​​qhov sib txhuam coefficient rau 0.02-0.05, qis dua li kev sib txhuam swb.

3. Cov Phaj Saw: "Dav Dav + Khoom Siv Tuab" rau Kev Txhawb Nqa Tensile
Kev Tsim Sab Nraud: Ob lub phaj txuas sab nraud thiab sab hauv siv cov qauv "dav rectangular", 15% -20% dav dua li cov saw hlau ib txwm muaj ntawm tib qho kev qhia. Qhov no faib cov radial siab thaum lub sijhawm sib koom ua ke thiab tiv thaiv kev hnav ntawm cov npoo phaj saw hlau.
Kev Xaiv Thickness: Nyob ntawm qhov ntsuas load, cov saw hlau tuab feem ntau yog 3-8 hli (piv rau 2-5 hli rau cov saw hlau ib txwm muaj). Ua los ntawm cov hlau carbon muaj zog siab (xws li 40MnB) los ntawm kev quenching thiab tempering, cov saw hlau phaj ua tiav lub zog tensile ntawm 800-1200 MPa, ua tau raws li qhov yuav tsum tau ua ntawm cov kis tau ntev.

4. Tus Pin: Tus yuam sij rau "Txoj kab uas nyias nyias + Ntu ntev" Kev sib txuas
Tsim Txoj Kab uas hla: Vim yog qhov ntev dua, qhov txoj kab uas hla ntawm tus pin me dua li ntawm cov saw hlau txheem ntawm tib qhov kev qhia tshwj xeeb (piv txwv li, txoj kab uas hla ntawm tus pin saw hlau txheem yog 7.94 hli, thaum txoj kab uas hla ntawm tus pin saw hlau ob npaug yog 6.35 hli). Txawm li cas los xij, qhov ntev yog ob npaug, ua kom muaj kev sib txuas ruaj khov ntawm cov txuas sib txuas txawm tias muaj qhov ntev dua.
Kev Kho Qhov Nto: Qhov nto ntawm tus pin yog chrome-plated lossis phosphated nrog lub thickness ntawm 5-10μm. Cov txheej no ua rau muaj kev tiv thaiv corrosion thiab txo qhov kev sib txhuam nrog lub qhov sab hauv ntawm lub tes tsho, ua rau lub neej qaug zog ntev dua (feem ntau ncav cuag 1000-2000 teev ntawm lub neej kis).

II. Kev Sib Txuas Tseem Ceeb ntawm Kev Tsim Qauv thiab Kev Ua Tau Zoo: Vim li cas cov saw hlau ob-suab thiaj li haum rau kev sib kis ntev?

Cov yam ntxwv ntawm cov saw hlau ob-suab tsis yog tsuas yog ua kom loj zuj zus xwb. Hloov chaw, lawv hais txog qhov yuav tsum tau ua ntawm "kev sib kis ntev nruab nrab mus rau nruab nrab" thiab ua tiav peb lub hom phiaj tseem ceeb ntawm "txo qhov hnyav, txo qhov rub, thiab ruaj khov." Lub ntsiab lus txuas tshwj xeeb yog raws li nram no:

1. Tsim lub suab ntev → Txo qhov hnyav ntawm cov saw hlau thiab cov nqi teeb tsa
Rau tib qhov kev sib kis, ib txoj saw hlau ob-suab tsuas muaj ib nrab ntawm cov txuas li cov saw hlau ib txwm muaj. Piv txwv li, rau qhov kev sib kis 10-meter, ib txoj saw hlau ib txwm muaj (12.7mm suab) xav tau 787 txuas, thaum ib txoj saw hlau ob-suab (25.4mm suab) tsuas xav tau 393 txuas, txo tag nrho cov saw hlau qhov hnyav los ntawm kwv yees li 40%.

Qhov hnyav txo qis no ncaj qha txo qhov "kev thauj khoom overhang" ntawm lub kaw lus kis tau tus mob, tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej kis tau tus mob ntsug lossis inclined (xws li elevators). Qhov no txo ​​cov khoom siv lub cev muaj zog thiab txo cov kev siv hluav taws xob (ntsuas kev txuag hluav taws xob ntawm 8% -12%).

2. Cov Phaj Hlau Dav Dav + Cov Pins Muaj Zog Siab → Kev Ruaj Ntseg Zoo Dua
Hauv kev sib kis ntev (piv txwv li, qhov chaw nruab nrab tshaj 5 meters), cov saw hlau yuav yooj yim poob vim lawv qhov hnyav. Cov phaj saw hlau dav dav ua rau thaj chaw sib cuag nrog lub sprocket loj dua (30% ntau dua li cov saw hlau ib txwm muaj), txo qhov khiav tawm thaum lub sijhawm sib koom tes (qhov khiav tawm raug tswj kom tsis pub dhau 0.5 hli).
Cov pins ntev, ua ke nrog kev sib haum xeeb, tiv thaiv cov saw hlau kom tsis txhob xoob thaum lub sijhawm kis ceev ceev (≤300 rpm), ua kom muaj kev sib kis raug (qhov yuam kev kis ≤0.1 hli / 'meter').

3. Peb-Txheej Rub Txo Qauv → Haum rau Qis Ceev thiab Lub Neej Ntev
Cov saw hlau ob-suab feem ntau yog siv rau hauv kev sib kis ceev qis (feem ntau ≤300 rpm, piv rau 1000 rpm rau cov saw hlau ib txwm muaj). Cov qauv peb-txheej roller-bushing-pin zoo faib cov kev sib txhuam zoo thaum qeeb qeeb, tiv thaiv kev puas tsuaj ntawm cov khoom ua ntej lub sijhawm. Cov ntaub ntawv sim hauv thaj teb qhia tau hais tias hauv cov tshuab ua liaj ua teb (xws li cov saw hlau conveyor ntawm lub tshuab sau qoob loo), cov saw hlau ob-suab tuaj yeem muaj lub neej ua haujlwm 1.5-2 npaug ntawm cov saw hlau ib txwm muaj, txo qhov zaus txij nkawm.

III. Cov yam ntxwv ntawm cov qauv txuas ntxiv: Kev xaiv thiab kev txij nkawm Cov ntsiab lus tseem ceeb rau cov saw hlau ob chav-suab

Raws li cov yam ntxwv ntawm cov qauv saum toj no, kev xaiv thiab kev saib xyuas yog qhov yuav tsum tau ua hauv cov ntawv thov tiag tiag kom ua tau zoo tshaj plaws.

1. Kev Xaiv: Sib phim Cov Qauv Txheej Txheem Raws Li "Qhov Deb Ntawm Chaw Kis + Hom Thauj Khoom"
Rau qhov chaw nruab nrab ntau dua 5 meters, cov saw hlau ob chav suab yog qhov zoo dua kom tsis txhob muaj kev teeb tsa nyuaj thiab teeb meem sagging cuam tshuam nrog cov saw hlau ib txwm muaj vim muaj ntau qhov txuas.

Rau kev thauj khoom me me (cov khoom thauj tsawg dua 500N), cov phaj saw hlau nyias (3-4 hli) nrog cov menyuam yas siv tau los txo cov nqi. Rau kev thauj khoom hnyav (cov khoom thauj ntau dua 1000N), cov phaj saw hlau tuab (6-8 hli) nrog cov menyuam carburized raug pom zoo kom ntseeg tau tias muaj zog tensile.

2. Kev Txij Nkawm: Ua tib zoo saib xyuas "Cov Cheeb Tsam Sib Txhuam + Kev Nyuaj Siab" kom txuas lub neej ntev.
Kev Siv Lubrication Tsis Tu Ncua: Txhua 50 teev ntawm kev ua haujlwm, txhaj tshuaj roj lithium (Hom 2 #) rau hauv qhov sib txawv ntawm lub roller thiab bushing kom tiv thaiv kev hnav bushing los ntawm kev sib txhuam qhuav.
Kev Tshawb Xyuas Qhov Nruj: Vim tias cov suab ntev yuav yooj yim ncab, kho lub tensioner txhua 100 teev ntawm kev ua haujlwm kom cov saw hlau sag hauv 1% ntawm qhov deb nruab nrab (piv txwv li, rau qhov deb nruab nrab 10-meter, sag ≤ 100mm) kom tiv thaiv kev sib cais ntawm lub sprocket.

Xaus Lus: Cov Qauv Txiav Txim Siab Tus Nqi. Qhov "Qhov Zoo Dua Ntev" ntawm Ob Chav-Suab Cov Hlau Sib Tw Los Ntawm Kev Tsim Qauv Tseeb.
Cov yam ntxwv ntawm cov saw hlau ob-suab hais txog qhov xav tau "kev sib kis ntev-nruab nrab" - txo qhov hnyav los ntawm qhov ntev dua, txhim kho kev ruaj khov los ntawm cov phaj txuas dav thiab cov pins muaj zog, thiab txuas lub neej ntev los ntawm cov qauv peb-txheej. Txawm hais tias nws yog kev thauj mus los ntev ntawm cov tshuab ua liaj ua teb lossis kev sib kis ceev qis ntawm cov khoom siv hauv kev khawb av, qhov sib phim tob ntawm nws cov qauv tsim thiab kev ua tau zoo ua rau nws yog ib qho khoom sib kis tsis tuaj yeem hloov pauv hauv kev lag luam.