Yuav Ua Li Cas Kom Paub Tseeb Tias Kev Ncab Tshuab Tsis Ua Rau Cov Saw Hlau Ncab Ntau Dhau

Yuav Ua Li Cas Kom Paub Tseeb Tias Kev Ncab Tshuab Tsis Ua Rau Cov Saw Hlau Ncab Ntau Dhau

Hauv cov tshuab xa khoom lag luam, cov saw hlau, vim lawv muaj kev ua haujlwm zoo thiab ruaj khov, tau dhau los ua cov khoom tseem ceeb hauv kev xa khoom, cov khoom siv ua liaj ua teb, thiab kev tsim tsheb. Kev ncab tshuab yog ib qho txheej txheem tseem ceeb hauv kev teeb tsa, kev ua haujlwm, thiab kev saib xyuas. Nws txoj haujlwm kom raug txiav txim siab ncaj qha rau lub neej ua haujlwm ntawm cov saw hlau thiab kev ruaj khov ntawm cov khoom siv. Kev ua haujlwm tsis raug uas ua rau ncab ntau dhau tsis yog tsuas yog ua rau cov saw hlau tsis ua haujlwm sai sai xwb tab sis kuj tseem ua rau muaj ntau yam teeb meem, suav nrog lub sijhawm tsis ua haujlwm ntawm cov khoom siv thiab kev sib tsoo ntawm kev tsim khoom. Tsab xov xwm no yuav tshuaj xyuas tob txog cov ntsiab cai tseem ceeb ntawm kev ncab tshuab, tshuaj xyuas kom meej txog qhov txaus ntshai ntawm kev ncab ntau dhau, thiab muab cov phiaj xwm tiv thaiv kev ncab ntau dhau los ntawm kev tshawb fawb thiab kev siv tau los ntawm peb lub zeem muag: kev npaj, kev ua tiav, thiab kev sim thiab kev saib xyuas.

1. Nkag Siab Txog Kev Sib Txuas Ntawm Lub Hauv Paus Ntawm Kev Ncab Tshuab Thiab Kev Ncab Cov Hlau Uas Siv Cov Hlau Loj Dhau

Ua ntej peb tham txog "yuav ua li cas tiv thaiv" qhov no, peb yuav tsum xub piav qhia meej txog "dab tsi" - tsuas yog los ntawm kev nkag siab txog lub tshuab ntawm kev ncab thiab cov qauv rau kev txhais cov kev ncab ntau dhau peb thiaj li txo tau cov kev pheej hmoo ntawm lawv cov hauv paus. 1. Lub Luag Haujlwm Tseem Ceeb ntawm Kev Ncab Tshuab: Tsis yog "Ua kom Saw Ntev" tab sis "Kev Haum Kom Zoo"

Kev ncab tshuab tsis yog tsuas yog ncab cov saw hlau nrog lub zog sab nraud xwb. Nws lub ntsiab lus yog siv lub zog tswj hwm kom ua tiav qhov kev nruj ntawm cov saw hlau thaum lub sijhawm teeb tsa lossis tshem tawm cov yas deformation uas tau sau los ntawm kev ua haujlwm ntev thaum lub sijhawm txij nkawm. Cov xwm txheej siv tshwj xeeb suav nrog:

Kev ncab ua ntej thaum lub sijhawm teeb tsa cov saw hlau tshiab: Thaum lub sijhawm tsim khoom, muaj qhov sib txawv me me ntawm cov khoom xws li cov phaj saw hlau, cov koob, thiab cov menyuam. Kev ncab tshuab tuaj yeem ua rau cov qhov sib txawv no tawg ua ntej, tiv thaiv kev co thiab suab nrov los ntawm kev sib txawv ntau dhau thaum lub sijhawm ua haujlwm thawj zaug.

Kho cov saw hlau qub thaum lub sijhawm kho: Cov saw hlau uas tau ua haujlwm ntev lawm yuav muaj qhov ntev vim yog hnav. Kev ncab tshuab tuaj yeem pab txiav txim siab seb cov saw hlau puas tseem nyob hauv qhov kev ua haujlwm nyab xeeb lossis them rau qhov ntev no los ntawm kev kho lub tensioner kom zoo.

Kev ntsuas sib dhos ua ke hauv ntau txoj kab sib kis: Thaum cov khoom siv siv ntau txoj saw hlau, kev ncab tshuab ua kom muaj kev nruj sib xws thoob plaws txhua txoj saw hlau, tiv thaiv kev thauj khoom ntau dhau ntawm cov saw hlau vim muaj kev faib tawm tsis sib xws. 2. Txhais Overstretch: Kab Liab los ntawm "Kev Ntev Tso Cai" mus rau "Kev Ua Tsis Tau Zoo"
Cov saw hlau uas siv rau cov menyuam "stretch" muaj ob hom: elastic stretch (rov qab tau tom qab lub zog sab nraud raug tshem tawm) thiab plastic stretch (deformation tas mus li tom qab lub zog sab nraud tshaj qhov khoom siv qhov yield point). Lub hauv paus ntawm overstretch yog "plastic stretch ntau dhau," feem ntau txiav txim siab los ntawm pitch elongation:

Rau cov saw hlau kis tau tus mob ib txwm muaj: qhov ntev ntawm lub suab tshaj 3% suav tias yog qhov ncab ntau dhau thiab yuav tsum tau hloov pauv;

Rau cov saw hlau hnyav/ceev ceev: qhov ntev ntawm lub suab tshaj 2% yog qhov ua rau muaj kev txhawj xeeb, thiab tshaj 2.5% yuav tsum tau hloov.

Kev ncab ntau dhau feem ntau tshwm sim thaum lub zog siv thaum lub sijhawm ncab tshuab ntau dua li lub zog ntawm cov khoom siv saw, lossis thaum lub sijhawm ncab ntev dhau, ua rau muaj kev hloov pauv yas ntau dhau.

2. Kev Txaus Ntshai ntawm Kev Ua Haujlwm Ntau Dhau: Ntau Tshaj Li "Kev Ua Tsis Tau Zoo ntawm Cov Saw," Nws Yog "Kev Puam Tsuaj ntawm Cov Khoom Siv"

Muaj coob tus neeg ntseeg tias "kev ncab dhau tsuas yog txhais tau tias cov saw hlau yuav tsis kav ntev," tab sis qhov tseeb, kev ncab dhau tuaj yeem muaj cov teebmeem sib txawv rau tag nrho lub kaw lus kis thiab tuaj yeem ua rau muaj xwm txheej kev nyab xeeb.

1. Kev Phom Sij Ncaj Qha: Kev puas tsuaj uas tsis tuaj yeem rov qab tau rau Saw

Kev Tawg Ntawm Cov Phaj Hlau: Kev ncab ntau dhau tuaj yeem ua rau muaj kev ntxhov siab ntawm cov qhov ntawm cov phaj hlau, ua rau tawg ntawm ntug ntawm cov qhov tom qab ua haujlwm ntev.

Kev Hnav Tus Pin Sai Dua: Kev hloov pauv yas ua rau qhov sib nrug ntawm tus pin thiab lub qhov phaj saw hlau nce ntxiv, ua rau hnav sai dua li qub 3-5 npaug.

Kev Sib Tw Khiav: Lub zog tsis sib npaug thaum lub sijhawm ncab tuaj yeem ua rau tsis sib xws ntawm lub log thiab lub tes tsho, tiv thaiv lub log kom tsis txhob tig mus zoo thiab ua rau hnav ntau dua. 2. Kev Phom Sij Tsis Ncaj Qha: Kev Ua Tsis Zoo Hauv Lub Tshuab Kis

Kev Tsis Txaus Siab Txog Kev Sib Kis: Kev ncab cov saw hlau ntau dhau ua rau lub suab ntawm cov saw hlau nce siab, ua rau qhov sib nrug ntawm cov hniav sprocket nce siab. Qhov no tuaj yeem ua rau cov hniav dhia thiab cov saw hlau poob qis, cuam tshuam rau kev ua haujlwm ntawm cov khoom siv (piv txwv li, kev ua yuam kev ntawm qhov chaw hauv cov khoom siv thauj khoom).

Kev Ua Tsis Tau Zoo ntawm Sprocket Ua Ntej: Thaum cov saw hlau uas muaj qhov siab dhau heev sib txuas nrog cov sprocket ib txwm muaj, lub zog tsis sib xws raug siv rau cov hniav sprocket, ua rau muaj kev hnav thiab cov hniav tawg, ua rau lub neej sprocket luv dua.

Kev Thauj Khoom Ntau Dhau Hauv Lub Cev Muaj Zog: Thaum lub saw hlau ncab dhau, qhov kev tiv thaiv kev ua haujlwm yuav nce ntxiv, ua rau lub cev muaj zog tso tawm ntau dua los tswj kev ua haujlwm. Qhov no tuaj yeem ua rau lub cev muaj zog kub dhau, hlawv tawm, lossis inverter tripping ntau zaus hauv lub sijhawm ntev.

3. Kev Phom Sij Kawg: Kev Cuam Tshuam Kev Tsim Khoom thiab Kev Pheej Hmoo Kev Nyab Xeeb

Rau cov chaw tsim khoom sib dhos, kev tawg ntawm cov saw hlau vim yog kev ncab cov saw hlau ntau dhau tuaj yeem ua rau muaj sijhawm tsis ua haujlwm ntau teev lossis txawm tias hnub, ua rau muaj kev poob nyiaj txiag ncaj qha ntawm kaum txog ntau pua txhiab yuan.

Hauv cov khoom siv nqa thiab tsa, kev ncab cov saw hlau ntau dhau tuaj yeem ua rau cov khoom hnyav poob, ua rau raug mob.

3. Kev Tiv Thaiv Tseem Ceeb: Kev Tswj Xyuas Tag Nrho Cov Txheej Txheem txij li "Kev Npaj Ua Ntej" mus txog "Kev Siv"

Qhov tseem ceeb rau kev zam kev ncab ntau dhau thaum lub sijhawm ncab tshuab yog kev tswj tau. Los ntawm kev npaj ua ntej kom raug, kev ua haujlwm raws li tus qauv, thiab kev saib xyuas thiab kev tshuaj xyuas lub sijhawm tiag tiag, cov txheej txheem ncab tuaj yeem khaws cia rau hauv "qhov ntau yam elastic" kom tiv thaiv kev hloov pauv yas ntau dhau. Cov hauv qab no yog kev npaj ua tiav theem:

Theem 1: Kev Npaj Ua Ntej Ncab - Paub Koj Tus Kheej thiab Koj Tus Yeeb Ncuab kom Tsis Txhob Ua Haujlwm Dig Muag

Kev npaj tsis txaus yog qhov ua rau ncab ntau dhau. Yuav tsum ua tiav peb txoj haujlwm tseem ceeb ua ntej ncab:

1. Txheeb xyuas cov "kev txwv tensile" ntawm cov saw hlau.

Cov saw hlau ntawm cov qauv sib txawv thiab cov ntaub ntawv muaj qhov sib txawv ntawm cov zog thiab qhov ntev uas tso cai. Cov yam ntxwv tseem ceeb yuav tsum tau txiav txim siab ua ntej los ntawm kev sab laj nrog phau ntawv qhia khoom lossis ua kev sim:

Rated tensile load: Lub zog tensile siab tshaj plaws uas cov saw hlau tuaj yeem tiv taus yam tsis muaj kev hloov pauv yas (piv txwv li, qhov ntsuas tensile load rau 16A series roller saw yog kwv yees li 15.8kN);

Kev ncua ntev ntawm lub suab uas tso cai: Txiav txim siab raws li cov xwm txheej ua haujlwm ntawm cov khoom siv (3% rau cov xwm txheej ib txwm muaj, tsawg dua 2.5% rau cov xwm txheej hnyav);

Lub zog ntawm cov khoom siv: Lub zog ntawm cov khoom tseem ceeb ntawm cov saw hlau (xws li 40Mn rau cov phaj saw hlau thiab 20CrMnTi rau cov koob) yog siv los ua lub hauv paus rau kev xam lub zog tensile.

Cov Lus Qhia Siv Tau: Yog tias phau ntawv qhia txog khoom siv tsis muaj, txiav ib feem ntawm tib lub saw hlau thiab ua "kev sim ncab." Siv lub tshuab sim tensile los txiav txim siab qhov yield point, uas yuav ua haujlwm ua tus qauv rau kev ncab tiag tiag. 2. Xaiv Cov Khoom Siv thiab Cov Cuab Yeej Ncab Tsim Nyog
Cov khoom siv rau kev ncab tshuab suav nrog cov tensioners tes, cov tensioners hluav taws xob, thiab cov tensioners hydraulic. Cov yam tseem ceeb hauv kev xaiv cov khoom siv zoo yog qhov tseeb tswj tau thiab kev nruj ruaj khov.

Cov saw hlau me me (suab ≤ 12.7 hli): Lub cuab yeej rub tes siv tau nrog lub wrench torque los tswj qhov nro (txiav txim siab tus nqi torque siv cov mis hloov pauv "torque - tension").

Cov saw hlau nruab nrab mus rau loj (suab 15.875-38.1mm): Pom zoo kom siv lub tshuab rub hlua hluav taws xob nrog lub vijtsam digital thiab kaw tsis siv neeg.

Cov saw hlau hnyav (suab ≥ 50.8 hli): Yuav tsum siv lub tshuab rub hydraulic, siv lub twj hydraulic los tswj qhov siab kom meej thiab zam kev nce siab sai sai.

Lub Tswv Yim Tiv Thaiv: Tsis pub siv zog ncab (xws li siv lub crane) kiag li. Txoj kev no tswj tsis tau qhov nro thiab yooj yim ua rau ncab dhau. 3. Xyuas seb cov saw hlau thiab lub hauv paus zoo li cas.

Kev kuaj xyuas qhov mob ua ntej ncab tuaj yeem pab tiv thaiv kev pheej hmoo ntawm kev ncab uas tshwm sim los ntawm "cov teeb meem txij thaum yug los":

Kev tshuaj xyuas qhov tsos ntawm cov saw hlau: Xyuas seb puas muaj qhov tawg ntawm cov phaj saw hlau, cov pins xoob, thiab cov rollers tsis puas. Yog tias muaj qhov tsis zoo, kho lossis hloov lawv ua ntej ncab.

Kev teeb tsa lub hauv paus: Xyuas kom cov sprocket axes sib luag thiab sib koom ua ke (kev sib txawv yuav tsum yog ≤ 0.5 mm/m). Kev sib txawv ntawm lub hauv paus ntau dhau tuaj yeem ua rau cov saw hlau ncab dhau tom qab ncab vim yog lub zog tsis sib xws.

Kev Ntxuav thiab lubrication: Tshem tawm cov roj thiab cov khoom tsis huv ntawm qhov chaw ntawm cov saw hlau. Siv cov roj nplua nyeem tshwj xeeb rau cov saw hlau kom txo qhov kev sib txhuam thaum lub sijhawm ncab thiab zam kev ntxhov siab hauv zos uas tshwm sim los ntawm kev sib txhuam.

Theem 2: Kev Tswj Xyuas Txheej Txheem Ncab - Siv Lub Zog Kom Tseeb Los Tswj Kev Hloov Pauv

Lub hauv paus ntawm kev ua haujlwm ncab yog "kev ceev tas li, lub zog tswj tau, thiab kev saib xyuas lub sijhawm tiag tiag." Yuav tsum ua raws li plaub kauj ruam hauv qab no:

1. Teeb tsa cov kev ntsuas "Graded Stretching"

Yuav kom tsis txhob muaj kev hloov pauv yas ntau dhau los ntawm kev siv zog ntau dhau ib zaug xwb, yuav tsum siv hom "graded stretching". Cov kev cai tshwj xeeb yog raws li nram no:

Qib 1 (Ua Ntej Ncab): Siv 30%-40% ntawm lub nra hnyav uas ntsuas tau rau 5-10 feeb kom tshem tawm qhov kev ua si thawj zaug hauv cov saw hlau thiab saib xyuas qhov kev hloov pauv tsis zoo.

Qib 2 (Kev Ncab Ua Haujlwm): Maj mam nce lub zog tensile mus rau 60% -70% ntawm qhov ntsuas tensile thiab tuav rau 10-15 feeb. Tam sim no cov saw hlau nyob rau hauv theem ncab elastic, thiab qhov kev nruj tuaj yeem hloov kho raws li qhov xav tau.

Qib 3 (Kev Ntsuas Kev Ncab): Yog tias xav tau kev hloov kho ntxiv, nce lub zog tensile mus rau 80% ntawm qhov ntsuas tensile (tsis pub tshaj 90%), tuav rau 5 feeb, tom qab ntawd maj mam tshem tawm thiab saib xyuas qhov hloov pauv ntawm lub suab. Lub Ntsiab Cai Tseem Ceeb: Nres rau 3-5 feeb ntawm txhua theem ncab kom faib cov saw hlau kom sib npaug thiab zam kev poob siab tensile tam sim ntawd.
2. Tswj Kev Ncab Ceev thiab Lub Zog Sib Xws
Kev Ceev Ncab: Thaum ncab tes, qhov ceev ntawm lub wrench yuav tsum yog ≤ 1 kev tig/ob. Thaum ncab hluav taws xob/hydraulically, qhov nrawm ntawm lub zog yuav tsum yog ≤ 5kN/feeb kom tsis txhob muaj "lub zog tam sim ntawd" uas tuaj yeem ua rau muaj kev thauj khoom hauv zos.
Kev Sib Npaug Zog: Thaum ncab, xyuas kom meej tias cov ntsiab lus nruj ntawm ob qho kawg ntawm cov saw hlau tau sib phim nrog txoj kab ntawm cov saw hlau. Yog tias cov saw hlau ntev dhau (ntau tshaj 5 meters), ntxiv cov kev txhawb nqa hauv nruab nrab kom tiv thaiv lub zog tsis sib xws vim yog cov saw hlau sagging vim nws qhov hnyav.
Kev Tswj Xyuas Kev Taw Qhia: Qhov kev taw qhia ncab yuav tsum sib phim nrog qhov kev taw qhia ntawm lub saw hlau (piv txwv li, lub saw hlau tsav yuav tsum tau ncab raws lub dav hlau tsav) kom tsis txhob muaj kev cuam tshuam ntawm lub saw hlau los ntawm kev nruj ntawm sab. 3. Kev Saib Xyuas Lub Sijhawm Tiag Tiag ntawm Qhov Xwm Txheej Ncab: "Saib, Ntsuas, thiab Mloog"

Yuav tsum tau saib xyuas ntau yam thaum lub sijhawm ncab kom pom cov cim qhia tias ncab ntau dhau:

"Saib" Kev Hloov Pauv: Siv lub vernier caliper lossis lub ntsuas qhov siab los ntsuas qhov siab ntawm cov saw hlau txhua 5 feeb (ntsuas 10 qhov siab sib law liag thiab siv qhov nruab nrab los xam qhov ntev). Thaum qhov ntev mus txog 80% ntawm tus nqi tso cai, qeeb qeeb cov txheej txheem ncab.

"Ntsuas" Qhov Nruj: Siv cov zaub digital ntawm cov khoom siv ncab kom saib xyuas qhov nro hauv lub sijhawm tiag tiag. Yog tias qhov nro poob qis tam sim ntawd (qhia txog kev hloov pauv yas ntawm cov saw), tsum tsis txhob ncab tam sim ntawd.

"Mloog" Cov Suab Txawv Txawv: Yog tias hnov ​​​​​​cov suab txawv txawv xws li "nias" lossis "squeaking" thaum lub sijhawm ncab, nws yuav qhia txog qhov tsis sib xws ntawm lub phaj saw thiab tus pin. Nres lub tshuab kom kuaj xyuas thiab kho qhov teeb meem ua ntej txuas ntxiv mus. 4. Ua kom cov txheej txheem Unloading txheem: Tsis txhob "Rov qab puas tsuaj"

Tom qab ncav cuag qhov yuav tsum tau ncab, cov txheej txheem tshem tawm kuj tseem ceeb ib yam. Kev tshem tawm tsis raug yuav ua rau cov saw hlau rov qab thiab puas:

Kev Ceev Tshem Tawm: Maj mam txo qhov nro. Qhov ceev tshem tawm yuav tsum sib xws nrog qhov ceev ncab, thiab tsis txhob tshem tawm tam sim ntawd.

Kev Tshuaj Xyuas Tom Qab Tshem Tawm: Tom qab tshem tawm, rov ntsuas qhov siab ntawm cov saw hlau kom paub tseeb tias qhov ntev puas ruaj khov (qhov ncab elastic yuav rov qab zoo, thaum qhov ncab yas yuav tseem nyob). Yog tias qhov ntev tshaj qhov tso cai, hloov cov saw hlau tam sim ntawd.

Kev Ruaj Ntseg Ib Ntus: Yog tias cov saw hlau yuav tsum tau khaws cia ib ntus tom qab tshem tawm cov khoom siv, nws yuav tsum tau dai rau ntawm lub bracket tshwj xeeb kom tsis txhob muaj kev sib zog thiab sib ntswg, uas yuav cuam tshuam rau qhov kev nruj ntawm qhov ntsuas.

Theem 3: Kev Txij Nkawm Tom Qab Ncab - "Kev Saib Xyuas Tsis Tu Ncua" kom Ntev Lub Neej ntawm Cov Saw

Kev ncab tsis yog ib qho kev kho uas yuav kho tau ib zaug xwb. Kev saib xyuas tom qab ncab tas li tuaj yeem txheeb xyuas cov teeb meem uas yuav tshwm sim tau sai:

1. Tsim kom muaj "Cov Ntaub Ntawv Txog Kev Ncab Saw"

Sau cov ntaub ntawv tseem ceeb rau txhua qhov kev ua haujlwm ncab kom tsim tau cov ntaub ntawv tswj hwm lub neej tag nrho:

Hnub tim ncab, tus neeg teb xov tooj, tus qauv khoom siv;

Suab ua ntej/tom qab ncab, tus nqi nro, lub sijhawm tuav;

Cov xwm txheej ua haujlwm ntawm cov saw hlau (qhov hnyav, qhov ceev, qhov kub).

Los ntawm kev sib piv cov ntaub ntawv no, koj tuaj yeem tshuaj xyuas cov qauv kev ncab ntawm cov saw hlau thiab muab lub hauv paus rau kev hloov kho tom qab rau cov kev teeb tsa ncab.

2. Tshawb xyuas qhov kev hloov pauv ntawm lub suab tsis tu ncua

Tsim ib txoj kev npaj tshuaj xyuas qhov chaw raws li qhov zaus ntawm kev siv khoom siv:

Cov khoom siv niaj hnub: Kev tshuaj xyuas txhua hli;

Cov khoom siv hnyav / ceev ceev: Kev tshuaj xyuas txhua lub lim tiam;

Cov khoom siv tseem ceeb (xws li lub tshuab tsav tsheb tseem ceeb ntawm kab ntau lawm): Tshawb xyuas qhov chaw thaum lub sijhawm tshuaj xyuas txhua hnub.

Thaum qhov ntev ntawm lub suab ncav cuag 90% ntawm tus nqi tso cai, teem sijhawm txij nkawm ua ntej kom tiv thaiv kev ua tsis tiav sai sai. 3. Ua kom qhov chaw ua haujlwm zoo tshaj plaws kom txo qhov sib sau ua ke ntawm cov saw hlau.
Kev tswj hwm lubrication: Tsis tu ncua ntxiv cov roj nplua nyeem kom tsim nyog (xws li roj av lossis roj hluavtaws) kom txo cov saw hlau hnav thiab ncua qhov ntev ntawm lub suab.
Kev tswj hwm kev thauj khoom: Tsis txhob ua haujlwm ntau dhau mus ntev (kev thauj khoom yuav tsum yog ≤ 85% ntawm qhov kev ntsuas thauj khoom) kom txo qhov kev ntxhov siab ntawm cov saw hlau.
Kev Ntxuav thiab Kev Saib Xyuas: Tshem tawm cov plua plav thiab cov khoom tsis huv ntawm cov saw hlau kom tsis txhob muaj qhov ntev tsis zoo los ntawm kev hnav cov khoom siv abrasive.

4. Cov Yuam Kev Feem Ntau Yuav Tsum Tsis Txhob Ua: Cov Kev Ua Haujlwm "Zoo Li Tsim Nyog" no Ua Rau Kom Ncab Dhau Sai Dua

Txawm tias tom qab ua tiav cov txheej txheem ib txwm muaj, ntau tus neeg tseem nkag siab yuam kev uas ua rau lawv ncab dhau. Nov yog peb qhov teeb meem uas feem ntau tshwm sim:

Cuav 1: "Qhov ncab nruj dua, qhov zoo dua; tsis txhob xoob thaum lub sijhawm ua haujlwm."

Qhov Tseeb: Kev nruj dhau ua rau cov saw hlau raug kev nyuaj siab ntev, ua rau cov yas hloov pauv sai dua. Txoj hauv kev zoo yog kom cov saw hlau sag tsis pub dhau 2%-4% ntawm qhov nruab nrab ntawm ob lub sprockets (hauv kev sib kis kab rov tav). Qhov sag tsawg dua qhia tias muaj kev nruj dhau.

Cuav 2: "Kev sib xyaw cov saw hlau qub thiab tshiab los kho qhov ntev los ntawm kev ncab."

Qhov Tseeb: Cov saw hlau qub twb tau hloov pauv yas lawm. Thaum muab cov saw hlau tshiab los sib txuas ua ke, cov saw hlau qub yuav ncab dhau ua ntej vim nws lub zog tensile tsis muaj zog, ua rau muaj kev faib tawm ntawm kev ntxhov siab tsis sib npaug thoob plaws hauv cov saw hlau. Txoj hauv kev zoo yog hloov tag nrho cov saw hlau hauv tib lub kaw lus kis nrog cov tshiab los ntawm tib tus qauv thiab pawg. Kev nkag siab yuam kev 3: "Tsis quav ntsej txog kev hnav sprocket thiab tsuas yog ncab cov saw hlau"
Qhov Tseeb: Yog tias cov hniav sprocket raug hnav hnyav heev (cov hniav ntsis ntse, cov hniav nto tev tawm), txawm tias cov saw hlau raug ncab mus rau qhov siab txheem, lub zog tsis sib npaug tseem yuav siv thaum lub sijhawm sib txuas, ua rau cov saw hlau ncab ntau dhau. Txoj hauv kev zoo yog xyuas seb lub sprocket puas zoo ua ntej ncab. Yog tias qhov hnav ntawm sprocket tshaj qhov qauv, hloov lub sprocket ua ntej ncab cov saw hlau.

5. Cov Lus Qhia Luv: Peb Lub Ntsiab Cai Tseem Ceeb rau Kev Ua Kom Muaj Kev Ncab Uas Tswj Tau

Kev ncab cov saw hlau uas rub tau ntau dhau los ntawm kev siv tshuab ncab yog qhov tshwm sim ntawm "kev ua yuam kev ntawm tib neeg" thiab "tsis nkag siab txog qhov ntsuas." Yuav kom tsis txhob muaj qhov kev pheej hmoo no, nco ntsoov peb lub hauv paus ntsiab lus hauv qab no:
Cov Kev Cai Ua Ntej: Ua ntej ncab, cov kev cai tseem ceeb xws li qhov hnyav ntsuas thiab qhov ntev uas tso cai yuav tsum tau txhais kom meej, thiab tsis txhob cia siab rau kev paub dhau los.
Cov Txheej Txheem Tswj Tau: Siv kev ncab theem thiab kev saib xyuas lub sijhawm tiag tiag kom tswj tau qhov nruj thiab kev hloov pauv hauv qhov ntau ntawm elastic.
Kev Txij Nkawm Txuas Ntxiv Mus: Tom qab ncab, ua qhov kev tshuaj xyuas tsis tu ncua thiab ua kom qhov chaw ib puag ncig zoo dua kom ncua qhov ncab thiab ua kom lub neej ntawm cov saw hlau ntev dua.