2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41
Kev tsim kho yog txheej txheem nyuaj thiab nyuaj uas suav nrog kev siv ntau yam dej num sib txawv. Ib qho ntawm cov theem tsim nyog hauv kev tsim kho, vim yog qhov tsim nyog qhov ntawm ntau qhov tob thiab txoj kab uas hla tau txais, yog drilling. Txawm tias qhov chaw ruaj ntseg tshaj plaws thiab ruaj khov tuaj yeem siv tau. Txawm li cas los xij, txhawm rau cov txheej txheem no kom ua tau zoo li sai tau, nws yog qhov yuav tsum tau siv cov cuab yeej raug. Thaum drilling hlau, nws yog qhov tshwj xeeb tshaj yog xaiv cov khoom siv kom raug. Hauv kab lus, peb yuav tham hauv ntau yam ntxiv txog cov khoom uas zoo sib xws uas twb muaj lawm, thiab tseem xam seb yuav xaiv qhov twg kom raug.
Peculiarities
Kev siv hlau rau hlau yog qhov tseem ceeb thiab siv dav cov cuab yeej uas tau nquag siv ob qho tib si hauv kev tsim kho thiab hauv kev siv tshuab ua haujlwm. Yog tias peb tham txog qhov pom ntawm qhov laum, nws yuav tsum tau sau tseg tias nws yog cov hlau cylindrical pas nrig.
Nws muaj cov npoo ntse thiab kauv nqaj kom tshem tawm cov hlau tsis xav tau.
Xav txog qhov tseem ceeb tshaj plaws ntawm cov hlau laum.
Shank
Ib feem no yog qhov tsim nyog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau ua haujlwm Lub shank ua kom tsis muaj zog ntawm cov khoom ua haujlwm thaum nws ua haujlwm.
Thaj chaw ua haujlwm
Siv thaj chaw ua haujlwm, lub laum tsim lub qhov cylindrical. Qhov tseem ceeb ntawm thaj chaw ua haujlwm suav nrog kev txiav ib feem thiab cov lus qhia grooves. Raws li nws txoj kab uas hla, cov txiav txiav nyob ib nrab ntawm tag nrho txoj kab uas hla ntawm qhov laum . Hauv qhov no, cov lus qhia grooves tau siv los tshem cov chips los ntawm qhov chaw ua haujlwm, yog li tsis cuam tshuam lossis cuam tshuam cov txheej txheem drilling ncaj qha.
Morse taper
Lub khob no yog siv rau cov kev xyaum uas tau tsau rau hauv ntxaiv thiab tailstock ntawm cov cuab yeej siv tshuab.
Ko taw
Tsis yog txhua qhov kev xyaum muaj ko taw.
Xws li cov khoom sib xyaw muaj feem cuam tshuam tsuas yog rau cov haujlwm ua haujlwm uas tau nruab nrog cov kab xev.
Hauv qhov no, kev xyaum nrog lub puab tsaig feem ntau yog tsim los txhawm rau ntaus lub cuab yeej tawm ntawm cov khoom sib dhos.
Lub caj dab
Vim muaj xub ntiag ntawm lub caj dab, kev nplij siab tshaj plaws ntawm kev nkag thiab tawm ntawm cov xuab zeb thaum lub sijhawm ua haujlwm ntawm cov kauv grooves tau ua kom ntseeg tau. Nws yuav tsum tau nyob hauv siab tias lub caj dab nws tus kheej tsis yog lub luag haujlwm. Vim qhov no nws yog ib txwm cim nrog cov cim piav qhia txog tus yam ntxwv tshwj xeeb ntawm kev xyaum nws tus kheej.
Qhia ib feem
Daim ntawv qhia feem ntau raug xa mus ua daim ntsuas. Lub hauv paus no yog tiv tauj nrog phab ntsa ntawm lub qhov uas laum ua hauv cov hlau. Cov lus qhia hauv cheeb tsam pab txhawb rau qhov tseeb tias lub cuab yeej mus raws nraim ntawm txoj kab ntawm lub qhov - yog li kev so yog qhov tseeb raws li qhov ua tau.
Lub kaum sab xis ntawm kev nyiam ntawm qhov kauv nto
Feem ntau cov duab no yog los ntawm 18 txog 30 degrees.
Chip tswj zawj
Ib feem no yog qhov tsim nyog kom ntseeg tau tias cov chips tsim thaum lub sijhawm drilling raug tsis lees paub ntawm qhov nrawm tshaj plaws thiab ntawm qib xav tau ntawm kev nyiam.
Ntxig txoj kab uas hla
Qhov ntsuas ntawm lub hauv paus no yuav tsum sib npaug ntawm qhov sib txawv nruab nrab ntawm sab nrauv ntawm kev txiav txiav ntse.
Txiav phaj
Txiav txiav yog ntug uas zaum nruab nrab ntawm sab xub ntiag thiab sab nraub qaum.
Raws li nws cov khoom, nws yog ntse heev.
Lub kaum sab xis loj
Lub kaum ntse ntse no cuam tshuam rau qhov txheej txheem kev ua haujlwm tiag tiag thiab tseem txiav txim siab tias qhov laum nws tus kheej muaj zog npaum li cas. Rau qhov ntawd txhawm rau txhawm rau hlau kom muaj txiaj ntsig zoo li sai tau, lub kaum sab xis no yuav tsum yog 116-118 degrees.
Tsheb nto
Lub ntsej muag flank yuav tsum tau ntse dua ntawm lub kaum sab xis ntawm 8-12 degrees hauv kev cuam tshuam nrog kev txiav ib feem. Qhov no yuav ua rau txo qis qhov kev sib txhuam uas tsis xav tau.
Jumper
Qhov no feem ntau yog rau 2 lub ntsej muag ntawm lub laum thiab muaj lub luag haujlwm tsim qauv.
Hla kev txiav ntug
Qhov tseem ceeb, txoj kev hla kev hla yog ntug ntse.
Cov khoom no nyob ntawm jumper.
Hauv nruab nrab ntawm cov ntug zoo li no, qhov chaw nruab nrab ntawm qhov txiav yuav tsum nyob.
Ribbon
Ribbon yog 2 kab txaij uas nthuav tawm saum cov nplaim paj. Cov ntu no yog qhov tseem ceeb rau kev ntsuas kom raug thiab raug, thiab lawv tseem txo kev sib txhuam.
Yog li, Lub laum rau hlau yog lub hauv paus ua haujlwm uas suav nrog ntau qhov tseem ceeb ntawm cov txheej txheem.
Kev siv tshuab ntau lawm
Ntawm kev txaus siab tshwj xeeb yog cov txheej txheem thiab txheej txheem rau ua cov khoom siv drilling. Ua ntej siv cov cuab yeej ua haujlwm no, koj yuav tsum nkag siab tias nws tau ua li cas. Yog li, Lub laum rau hlau muaj ntau yam khoom siv, tab sis tsuas yog ob qho ntawm lawv yog qhov tseem ceeb tshaj plaws thiab hloov tsis tau: qhov ua haujlwm thiab tus ncej.
Kev lig kev cai, kev ua haujlwm ib feem ntawm cov laum yog tsim los ntawm cov hlau muaj zog thiab ruaj khov lossis carbide, thaum cov cuab yeej siv cov pa roj carbon hlau tau siv los ua tus ncej.
Hauv qhov no, cov txheej txheem tsim rau kev xyaum ua cov hlau muaj ntau theem tseem ceeb.
Npaj theem
Hauv theem no, txhua ntu uas tsim nyog rau kev tsim cov khoom ua haujlwm tau npaj tseg. Yog li, workpieces rau kev xyaum ua haujlwm raug txiav los ntawm cov chav tsim tshwj xeeb . Tom qab ntawd, cov txheej txheem rau kev ntxuav qhov khoob ntawm ntau yam tsis xav tau tshwm sim.
Vuam
Tom qab ua tiav tag nrho cov txheej txheem kev npaj ua tiav, cov kws tshaj lij hauv kev tsim cov hlau xyaum ua tiav kev tiv thaiv taub qab vuam.
Tom qab ua tiav vuam, muaj qhov yuav tsum tau tshem tawm cov hlau ntau dhau.
Hauv qhov no, qhov khoob lawv tus kheej yuav tsum tau muab lub ntsej muag cylindrical kom pom tseeb.
Tig
Txhawm rau kom cov kev xyaum rau hlau kom tau raws li qhov yuav tsum tau ua, nws yog qhov yuav tsum tau ua cov txheej txheem tig. Nrog rau txoj kev tig, nruab nrab thiab txiav ntawm qhov kawg kuj tau ua tiav. Yog li, theem no hauv kev tsim cov laum yog qhov nyuaj thiab nyuaj.
Milling
Milling tau ua tiav hauv kev sib raug zoo nrog cov kab sib txuas sib txuas, cov kauv qis thiab qee yam ntxiv. Ntawm lwm yam, ntawm Nyob rau theem no, cov haujlwm ua haujlwm tseem raug kho cua sov thiab ntxuav los ntawm kev teeb tsa tshwj xeeb.
Sib tsoo
Cov nqaj ntawm cov spirals, txoj hlua, txoj haujlwm ua haujlwm raug rau txheej txheem ntawm kev sib tsoo thiab polishing.
Laum sharpening
Cov txheej txheem no yog qhov kawg nyob rau hauv cov txheej txheem ntawm kev tsim khoom xyaum rau hlau.
Hom kev txheeb xyuas
Niaj hnub no muaj ntau qhov ntau ntawm kev xyaum rau hlau: muaj high-speed, ob tog, universal, tubular, thim rov qab, ntsia hlau, kauj ruam, ua ke thiab lwm yam . Txawm li cas los xij, lawv tsis tsuas yog saib txawv, tab sis kuj muaj lub hom phiaj sib txawv.
Nws tuaj yeem sib txawv ntawm lawv ib leeg, nrog rau txiav txim siab lawv cov yam ntxwv tseem ceeb los ntawm kev kos thiab cim.
Txhawm rau kom yooj yim ntawm cov neeg siv, ntau pawg cais pawg ntawm kev xyaum rau hlau tau txais.
Los ntawm daim ntawv
Xav txog yam ntawm cov khoom siv drilling uas muaj nyob niaj hnub no, uas txawv hauv cov duab.
Muab kauv
Hom nrov tshaj plaws rau kev siv hlau tuaj yeem hu ua kauv. Cov txheej txheem ntawm kev tsim lub qhov taub cylindrical hauv cov hlau thaum siv cov laum zoo li no feem ntau yog los ntawm kev txav ntawm cov ntse txiav.
Nyob ntawm cov qauv tsim, cov kev sib tw sib tw tuaj yeem ua ib qho lossis ua tiav (suav nrog cov ntsiab lus sib txawv).
Thiab tseem cov ntu tuaj yeem nruab nrog lub taub hau hloov tau.
Puab tsaig
Lwm hom laum yog cov seem yas. Cov khoom yas (lossis lub nplhaib) yog cov khoom ua haujlwm hollow. Lub npe ntawm ntau yam no yog vim qhov tseeb tias cov nplais txiav, uas yog ib feem tseem ceeb ntawm qhov laum, tau teeb tsa hauv ib xyoos ib yam. Feem ntau, hom laum no siv los tsim los ntawm qhov thiab qhov loj hauv txoj kab uas hla.
Perovoy
Lwm hom kev xyaum hlau yog xyaum xyaum plaub. Feem ntau, hom haujlwm ua haujlwm no yog siv los ua cov qhov hlau, uas tau yav tas los tau npog nrog cov txheej txheem tshwj xeeb casting thiab nplai. Cov txheej txheem tseem ceeb tshaj plaws ntawm cov khoom plaub suav nrog kev nyuaj siab ncaj rau tshem tawm cov plaub hau thiab txiav ib feem , uas nyob rau hauv nws cov tsos zoo li lub phaj zoo tib yam.
Hom no yog pob nyiaj siv ntau tshaj, yog li nws txaus siab rau qhov xav tau ntawm cov neeg siv.
tab sis tus nqi qis ua rau muaj qhov cuam tshuam loj: piv txwv li, cov khoom lag luam tsis zoo thiab tsis muaj txiaj ntsig kev tshem tawm cov txheej txheem . Cov kev xyaum no yog tus yam ntxwv los ntawm kev nce qib ntawm kev nruj.
Kauj ruam
Cov workpieces no tau siv los tsim cov qhov ntiav. Hauv ib kis, siv cov khoom lag luam conical, koj tuaj yeem tsim ib puag ncig ntau lub tog raj kheej, hauv qhov no, cov khoom siv no tau nquag siv hauv kev ua tiav ntawm ntau yam txheej txheem tsis siv neeg. Yog tias peb tham txog kev tsim qauv ntawm cov ntsiab lus, tom qab ntawd lawv yog cov monolithic blocks (piv txwv li, lawv tuaj yeem yog hex). Feem ntau, cov kev xyaum xyaum ua haujlwm nrog cov ntu tig tau siv hauv thaj chaw tshwj xeeb.
Shank yam
Cov duab tsis yog qhov txiav txim siab nkaus xwb hauv cov txheej txheem xaiv qhov laum.
Kev txiav txim siab yuav tsum muab rau hom shank.
Muaj ob hom tseem ceeb ntawm shanks: cylindrical thiab conical (Morse taper).
Lub tog raj kheej
Cylindrical shanks yog tsim los rau kev xyaum ua hlau ua ntej. Niaj hnub no lawv tau siv rau cov cuab yeej modular.
Conical
Hauv qhov xwm txheej thaum lub laum ncaj qha tsau rau hauv ntxaiv, cov khoom siv nrog Morse taper tau siv.
Cov ntaub ntawv (kho kom raug)
Laum rau hlau yog tsim los ntawm cov ntaub ntawv ruaj khov thiab txhim khu kev qha. Cov no suav nrog:
- ntau hom hlau thiab cov hlau sib zog;
- pob zeb diamond thiab titanium sib txuas;
- tungsten thiab tungsten-molybdenum master alloys;
- cobalt;
- titanium;
- tantalum;
- sulfides;
- aluminium alloy thiab lwm yam.
Qhov ntev (kho kom raug)
Hais txog qhov ntau thiab tsawg ntawm kev xyaum rau hlau, muaj cov kev cai nruj raws lub xeev cov qauv hauv daim ntawv. Nyob ntawm seb hom haujlwm tshwj xeeb twg, koj yuav xav tau qhov loj, nyias lossis txawm tias cov khoom siv hlau me tshaj plaws muaj nyob rau niaj hnub no . Txhua qhov loj me nws muaj nws tus kheej tshwj xeeb. Feem ntau, cov cuab yeej siv hlau niaj hnub no muaj qhov loj me los ntawm 0.5 txog 8 centimeters (rau cov kab xev sib dhos) thiab los ntawm 0.025 txog 2 centimeters (rau cov cylindrical shanks).
Npav
Npav thiab cim lub npe ntawm cov khoom siv hlau rau kev khawb yuav tsum ua raws li GOST. Yog li, raws li daim ntawv no, lub cim yuav tsum tau siv rau txhua ntu nrog txoj kab uas hla ntau dua 2 hli . Nyob rau tib lub sijhawm, nyob ntawm qhov ntsuas ntawm tus kheej ntawm txhua tus neeg xyaum, cov cim yuav muaj tag nrho lossis qee yam ntawm cov ntaub ntawv xws li: txoj kab uas hla, qib hlau, tag nrho qhov loj me ntawm ib feem, cov cim lag luam, chav kawm raug thiab qee qhov tsis ntsuas.
Tseem ceeb. Raws li cov hauv paus ntsiab lus saum toj no, kev siv hlau ua hlau yog cim tsis yog los ntawm kev lag luam, tab sis kuj los ntawm cov tuam txhab txawv teb chaws.
Hom nrov
Cov neeg tsim khoom los ntawm Russia, Lub Tebchaws Yelemees, Taiwan, Sweden, Nyiv thiab lwm lub tebchaws hauv ntiaj teb tau koom nrog tsim cov khoom siv hlau rau hlau. Cov tuam txhab nrov tshaj plaws thiab cov npe muaj xws li:
- Volzhsky Tuam Tsev Cog Khoom;
- Tomsk Tuam Tsev Cog Khoom;
- PA "Tulamash";
- Zaporozhye cuab yeej cog;
- Bosch;
- Hasser;
- Ruko;
- Sandvik;
- Mitsubishi;
- Winstar;
- "Tsiaj qus";
- Interskol;
- DeWalt;
- Hilti;
- Makita.
Nws yog cov khoom lag luam no uas koj yuav tsum mob siab rau thaum yuav khoom siv hlau.
Cov khoom lag luam ntawm cov tuam txhab no ua tau raws li txhua qhov kev xav tau zoo uas tau lees paub ntawm qib sab hauv thiab thoob ntiaj teb.
Nyob rau tib lub sijhawm, koj yuav tsum yuav cov khoom lag luam nkaus xwb ntawm cov ntsiab lus ntawm kev muag.
Yuav xaiv li cas?
Kev xaiv xyaum rau hlau yog txoj haujlwm tseem ceeb thiab muaj lub luag haujlwm, uas yuav tsum tau mus ntsib nrog kev saib xyuas zoo . Vim yog kev faib dav thiab ntau yam ntawm cov haujlwm no hauv kev tsim kho kev lag luam, txhua tus neeg siv yuav tuaj yeem xaiv qhov laum rau cov hlau cam khwb cia, rau cov hlau tawv, rau txhuas, rau cov hlau tawv thiab rau kev sib sib zog nqus, rau rauj rauj lossis rau tus ntsia hlau. Nyob rau tib lub sijhawm (tsis hais hom kev xyaum uas koj xav tau tshwj xeeb rau koj), nws yog ib qho tseem ceeb uas yuav tsum coj mus rau hauv tus account tus yam ntxwv tseem ceeb.
Teem caij
Ua ntej koj yuav tsum txiav txim siab seb lub hom phiaj twg koj yuav siv cov khoom siv drilling. Yog li, qee yam tsuas yog siv rau kev drilling qee yam hlau (piv txwv li, rau txhuas lossis rau cov hlau cam khwb cia).
Nyob ntawm seb hom hlau tau raug laum li cas, cov yam ntxwv ua haujlwm thiab cov yam ntxwv ntawm kev xyaum yuav sib txawv.
Hauv qhov no, nws yog ib qho tseem ceeb heev los kawm cov lus piav qhia ntawm cov khoom yuav.
Lub tsev loj sib xws
Ua ntej yuav khoom siv laum, koj yuav tsum ua kom 100% paub tseeb tias nws yuav sib xws nrog cov cuab yeej tseem ceeb uas koj muaj (piv txwv li, lub laum lossis cov ntsia hlau). Nws yog qhov tshwj xeeb tshaj yog tias ob lub ntsiab lus sib piv ntawm qhov txuas.
Chaw tsim tshuaj paus
Koj qhov kev nyiam nyob hauv tus txheej txheem ntawm kev xaiv thiab yuav khoom yuav tsum muab rau cov khoom lag luam uas muaj npe zoo thoob ntiaj teb uas tau nrov thiab hwm ntawm cov neeg siv. Xws li cov khoom lag luam, raws li txoj cai, ua raws txhua tus qauv hauv tsev thiab thoob ntiaj teb uas twb muaj lawm.
Nqe
Niaj hnub no, kev xyaum rau hlau tau muag ntawm cov nqi sib txawv: ob qho kev xaiv nyiaj txiag thiab cov khoom kim heev. Nyob qhov twg cov kws tshaj lij qhia kom xaiv cov khoom lag luam uas poob rau hauv nqe nqe nruab nrab, vim tias lawv sib raug zoo rau qhov sib piv ntawm tus nqi thiab qhov zoo … Ntawm qhov tod tes, nws raug nquahu kom zam cov khoom uas pheej yig tshaj.
Neeg Xyuas
Ua ntej yuav khoom no lossis cov khoom ntawd, koj yuav tsum nyeem cov lus pom thiab cov neeg siv tshuaj xyuas txog cov khoom no. Koj yuav pom yog tias cov chaw tsim khoom tshaj tawm cov yam ntxwv ntawm qhov laum tiag tiag cuam tshuam nrog lub xeev txoj haujlwm tiag tiag (piv txwv li, seb lub laum puas ruaj khov raws li nws lub neej kev pabcuam).
Qhov chaw yuav khoom
Nws raug nquahu kom yuav cov khoom siv hlau rau hauv cov khw muag khoom kho vajtse tshwj xeeb. Hauv cov xwm txheej zoo li no koj ib txwm tuaj yeem tau txais kev pab los ntawm cov kws tshaj lij thiab paub txog kev muag khoom.
Thiab kuj hauv cov khw muag khoom thiab cov lag luam koj yuav pom tsuas yog cov khoom lag luam muaj npe zoo, thiab tsis yog qhov pheej yig cuav.
Ua raws li cov yam ntxwv saum toj no, koj tuaj yeem xaiv cov khoom lag luam uas yuav ua tiav lawv cov haujlwm ua haujlwm tau zoo, thiab tseem yuav ua haujlwm rau koj ntev.
Cov lus qhia cia
Txhawm rau kom cov hlau xyaum koj tau yuav los tswj lawv cov kev ua haujlwm ntev, koj yuav tsum saib xyuas lawv cov khoom kom raug. Cia peb xav txog cov lus qhia tseem ceeb thiab cov lus pom zoo ntawm cov kws tshaj lij.
Kev siv hlau hlau yuav tsum tau khaws cia hauv cov thawv tshwj xeeb uas tsim los: piv txwv li, cov khoom siv hauv tsev lossis chaw pw hmo ntuj . Ib qho ntxiv, nws raug nquahu kom ntim lawv raws li qhov loj me, chaw tsim khoom thiab qee qhov ntsuas. Tom qab siv thiab ua ntej khaws cov kev xyaum, ua tib zoo ntxuav qhov ua haujlwm los ntawm cov av thiab hmoov av. Yog li, koj yuav tiv thaiv cov txheej txheem xeb thiab txuas ntxiv siv cov ntsiab lus. Yog tias qhov kev xyaum tsis siv rau lub sijhawm ntev, tom qab ntawd lawv yuav tsum tau kho ib ntus nrog lithol lossis vaseline.
Kev sib cuam tshuam ntawm cov hlau xyaum nrog tshuaj lom tsis raug tso cai.
Hauv kev siv cov txheej txheem ua kom hnyav thiab ntev, nws raug nquahu kom kho cov nplaim ntawm cov cuab yeej nrog roj (ib txwm muaj, xaiv cov roj ntawm I-20 hom).
Tsuas yog nyob rau qhov xwm txheej ntawd, yog tias koj ua raws txhua cov ntsiab lus saum toj no thiab cov lus pom zoo, kev xyaum yuav ua tiav lawv lub hom phiaj kev ua haujlwm kom zoo thiab nyob ntev.
Pom zoo:
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Cov pob zeb ua pob zeb yog cov khoom siv nrog cov yam ntxwv zoo, nws cov yam ntxwv ua kom tau txais txiaj ntsig zoo ntawm txhua txoj haujlwm. Hauv tebchaws Russia, kev tsim cov pob zeb ua kiav txhab tsuas yog nce zuj zus, tab sis raws li nws lub peev xwm siab, qhov muaj peev xwm ntawm kev thov tsuas yog nce ntxiv
Pob Zeb Diamond Xyaum: Rau Pob Zeb Thiab Pob Zeb, Rau Cov Vuas, Pob Zeb Diamond Coated Cov Tub Ntxhais Xyaum Thiab Tubular Xyaum, 1-6 Hli Thiab Lwm Txoj Kab Uas Hla
Pob zeb diamond xyaum: nta, ntau yam, daim ntawv thov. Nqe lus piav qhia ntawm kev ua vaj tse thiab pobzeb, pob zeb diamond coated tub ntxhais xyaum thiab tubular xyaum. Nrov domestic thiab txawv teb chaws manufacturers. Cov ntsiab lus ntawm kev siv
Laum Rau Kev Ua Vaj Tse (26 Duab): Laum-laum Rau Pob Zeb Txhawb Rau Ntsia Hlau Thiab Rau Laum, Lwm Yam. Lawv Zoo Li Cas Thiab Qhov Twg Yog Txoj Hauv Kev Zoo Tshaj Plaws Los Siv Pob Zeb?
Kev xyaum ua vaj tsev zoo li cas thiab dab tsi yog pob zeb ua kom muaj zog ntxiv? Puas yog cov pob zeb ua haujlwm haum rau cov ntsia hlau thiab xyaum? Dab tsi lwm yam ntawm cov pob zeb ua pob zeb muaj?
Tawv Lub Rooj Zaum: Dab Tsi Yog Cov Yam Ntxwv Ntawm Rooj Tog Ua Los Ntawm Tawv Tawv, Tawv Tawv Thiab Beige Eco-tawv Hauv Sab Hauv, "Qauv" Qauv Ua Los Ntawm Tawv Tawv Thiab Tawv Tawv, Tshuaj Xyuas Kev Saib Xyuas
Dab tsi yog cov yam ntxwv ntawm faux tawv rooj tog? Vim li cas nws thiaj nrov nrog cov tsim qauv niaj hnub no? Leatherette thiab eco-tawv beige thiab lwm yam xim hauv sab hauv. Cov qauv niaj hnub "Txuj Ci" ua los ntawm tawv tawv thiab tawv tawv. Cov kev tshuaj xyuas ntawm kev siv thiab saib xyuas cov rooj tog no yog dab tsi?
Cov Kab Xev Xev: Daim Kab Xev Ntawm Ntau Qhov Ntau Thiab Tsawg, Ntsuas Kab Xev Thiab Kab Xev Rau Kab Xev
Dab tsi yog cov kab xev? Dab tsi yog qhov sib txawv ntawm daim kab xev reels ntawm ntau qhov sib txawv? Dab tsi yog daim ntawv thov tseem ceeb ntawm bobbins?