Hacksaw hniav: duab, GOST, thickness

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Muaj ntau tus hacksaws niaj hnub no. Tag nrho lawv txawv ntawm lawv cov tsos, yam ntxwv, thiab lwm yam. Tsis tas li ntawd, cov cuab yeej no tau muab faib ua kev tshaj lij thiab hauv tsev. Qhov sib txawv tseem ceeb tshaj plaws ntawm ob hom yuav yog cov hniav hlau.

Sizes

Tam sim no, 300 hli yog suav tias yog tus qauv ntev rau lub vev xaib. Tseem muaj hacksaws, uas daim duab no yog 150 mm. Cov kev xaiv luv luv tsuas yog siv rau hauv cov rooj plaub uas loj hacksaw tsis haum qhov tseeb vim nws qhov loj me lossis tus kws ua haujlwm yuav tsum ua haujlwm zoo heev.

Yog hais tias peb tham txog cov hniav ntawm cov hniav rau hlau, lawv me me heev. Qhov kev xaiv no yog vim qhov tseeb tias nws yog cov hniav me me uas zoo tshaj plaws rau kev ua haujlwm ntawm kev txiav cov khoom hlau. Cov tswv ntawm kev ua hauj lwm nrog cov cuab yeej no tau them sai sai rau qhov tseeb tias lub canvas yog qhov tseem ceeb tshaj plaws, tab sis nws tsim nyog them nyiaj rau qhov kov ntawm lub cuab yeej. Rau qee hom, nws tau ua tsis tiav, thiab nws yuav tsis yooj yim rau kev ua haujlwm nrog cov cuab yeej zoo li no, txawm tiaslub canvas rau hlau yuav ua tau raws li tag nrho cov zoo.

Qhov sib txawv ntawm cov cuab yeej

Raws li tau hais dhau los, cov saws tau muab faib ua cov kws tshaj lij thiab hauv tsev. Qhov txiaj ntsig tseem ceeb ntawm cov cuab yeej tshaj lij yog tias nws cov qauv tsim yog nruj dua, thiab tseem ua rau nws tuaj yeem ua haujlwm ntawm lub kaum sab xis ntawm 90 thiab 55 degrees. Cov khoom siv hauv tsev, ntawm qhov tod tes, feem ntau yog flimsy, thiab thaum ua hauj lwm lawv tas li "cua daj cua dub". Nyob rau hauv cov ntaub ntawv no, txawm ib tug high-zoo hlau hniav tsis lav ib tug high-zoo txiav. Txawm li cas los xij, ntawm no nws yog qhov tsim nyog los tsim kom muaj qhov zaus ntawm kev siv cov cuab yeej no. Cov saws hauv tsev yog pheej yig dua, thiab koj yuav tsum yuav lawv tsuas yog tias hacksaw tsis tshua siv. Yog tias koj yuav tsum siv cov cuab yeej no ntau zaus, ces koj yuav tsum tsis txhob txuag.

Nws tsim nyog hais txog ib qho kev sib cais ntawm cov saw - hacksaw-kov. Lub ntsiab sib txawv ntawm cov cuab yeej no thiab ib txwm hacksaw yog tias nws yog tsim los ua hauj lwm nrog ib tug tawg hlau hacksaw hniav.

khoom tsim

Tus tsim ntawm cov cuab yeej no yuav luag zoo ib yam rau txhua tus qauv. Lub saw yog C-shaped arc, nruab nrab ntawm cov npoo qis uas cov hniav yog tsau los yog ncab. Kev ua haujlwm thiab qhov tseem ceeb ntawm cov cuab yeej no yog tib lub hacksaw hniav rau hlau, uas muaj ntau cov hniav me me.

Tus kov yog ib qho ntawm peb qhov tseem ceeb ntawm lub cuab yeej, ua lub luag haujlwm tseem ceeb ntawmyooj yim ntawm kev siv lub cuab yeej thaum ua haujlwm ntev. Ob lub ntsiab lus sib xyaw nrog cov roj hmab ntxig yog suav tias yog qhov ua tau zoo tshaj plaws ntawm kev ua tau zoo thiab kev nplij siab ntawm kev siv.

Lub thav duab ntawm cov cuab yeej no yog ib qho khoom siv uas tsim los txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau hlau. Hauv kev tsim cov thav duab, cov ntaub ntawv sib txawv tuaj yeem siv tau, tab sis lawv nyob ntawm seb hom haujlwm twg cov saw yuav siv rau. Piv txwv li, yog tias koj xav tau txiav cov hlau muaj zog, ces nws yog qhov zoo tshaj plaws uas tus ncej yog ua los ntawm cov ntaub ntawv muaj zog siab.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias tus qauv tsim ntawm tus ncej feem ntau txiav txim siab txog kev ua haujlwm. Yog tias koj xav tau txiav hauv qhov nyuaj kom ncav cuag qhov chaw, nws yog qhov zoo tshaj plaws los siv ib lub thav duab nrog lub kaum sab xis hloov kho lossis tsuas yog yuav luv luv version ntawm fixture.

Canvas

Hacksaw hniav yog ib txoj hlua nyias ua los ntawm cov hlau tawv tawv. Txawm tias muaj tseeb hais tias qhov no tsuas yog ib feem ntawm cov hlau nyob rau hauv lub tsim ntawm lub saw, nws kuj yog ib qho yooj yim mus tawg, vim hais tias cov thickness ntawm cov khoom yog heev me me. Vim li no, thaum ua haujlwm nrog cov cuab yeej no, nws tseem ceeb heev uas yuav tau saib xyuas koj cov kev ua. Kev ua haujlwm tsis tu ncua thiab tsis saib xyuas yuav ua rau muaj kev tawg sai ntawm cov txheej txheem tsis yooj yim.

Teeth

Cov hniav hlau nws tus kheej, daim duab uas qhia hauv qab no, tsis tuaj yeem txiav lwm yam hlau.

Kev siv cov txheej txheem no ua tau vim yog daim ntawv thov ntawm cov hniav me me rau ntawm ntug ntawm lub vev xaib. Nws yog ib qho tseem ceeb heev uas yuav tau xyuam xim rau qhov hardening ntawm cov hniav no thaum xaiv ib lub cuab tam. Kev xaiv kom raug yuav ua rau qhov tseeb tias kev pabcuam lub neej yuav nce ntxiv, nrog rau kev ua haujlwm ntawm kev txiav cov khoom tsim nyog. Tam sim no, nws yog kev cai siv cov hniav nrog cov hniav zoo rau kev txiav cov khoom siv hlau, thiab cov hniav loj yog npaj rau kev ua haujlwm nrog cov khoom muag. Cov canvases lawv tus kheej tuaj yeem ua los ntawm ntau hom hlau, tab sis nws yog qhov zoo tshaj plaws los xaiv rau bimetallic sawv daws yuav. Yog tias cov no tsis tuaj yeem pom, ces koj tuaj yeem them sai sai rau cov xim liab-kub canvases. Cov pom cov ntsiab lus no yog ua los ntawm nickel-plated stainless hlau nrog cov hniav. Nws yog tsim nyog sau cia tias daim ntaub yuav tsum tau muab txuas rau hauv txoj kev uas cov hniav mus rau qhov sib txawv ntawm tus kov.

Xaiv canvas

Qhov zoo ntawm cov hniav yog txiav txim siab los ntawm nws cov hniav. Thawj qhov kev xaiv yog cov duab ntawm cov khoom txiav, uas yuav txawv nyob ntawm qhov kev xav ntawm ntug daim.

Qhov thib ob rau kev xaiv cov hniav yog lub suab ntawm cov hniav. Los ntawm qhov ntsuas no, koj tuaj yeem txiav txim siab seb cov khoom siv twg yog qhov nyuaj rau kev txiav, nrog rau xaiv qhov siab tshaj plaws thickness ntawm cov khoom uas tuaj yeem sawn. Qhov ntsuas no yog ntsuas los ntawm tus naj npawb ntawm cov hniav ib nti ntawm lub vev xaib. Nws tseem yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias lub thickness ntawm lub vev xaib rau hlau ua lub luag haujlwm tseem ceeb ntawm no. Piv txwv li, ntawm ib tug kws 300 hli hacksaw, lub thickness yuav yog 0.63 - 1.25 hli. Hniav thickness rau hluav taws xob saws nrog ib tug ntev ntawm 150 hli - los ntawm 1.25 mus rau 2.5 hli.

Nws tseem yuav tsum tau hais tias tus naj npawb ntawm cov hniav ib nti ntawm cov hniav nyob ntawm qhov tuab thiab cov khoom siv ntawm cov khoom ua haujlwm uas yuav raug saws. Piv txwv li, thaum sawing ib tug aluminium workpiece nrog ib tug tuab ntawm ntau tshaj 5 hli, nws yog tsim nyog hais tias tus naj npawb ntawm cov hniav ib nti yog 18. Yog hais tias lub thickness yog los ntawm 2 mus rau 5 hli, ces tus naj npawb ntawm cov hniav yuav txawv ntawm 18 mus rau 24. Yog hais tias lub workpiece thickness tsawg dua 2 hli, tus naj npawb ntawm cov hniav yuav tsum nyob nruab nrab ntawm 24 thiab 32.

GOST linen rau hlau

GOST 6645-86 yog lub xeev tus qauv uas tsim cov kev cai rau hom, qhov loj, zoo ntawm cov ntawv hlau, thiab lwm yam.

Daim ntawv no tau teeb tsa cov cai rau kev tsim khoom ntawm cov khoom no. Tshwj xeeb, cov qib steel tau sau tseg hauv GOST no, los ntawm qhov yuav tsum tau ua rau hom canvas. Piv txwv li, hom 1 yuav tsum tau ua los ntawm steel sawb uas ua tau raws li tag nrho cov kev cai ntawm GOST 23522-79. Hom 2 hacksaw hniav yuav tsum tau ua los ntawm kev kub ceev steel, uas tau txiav txim siab raws li GOST 19265-73. Cov ntaub ntawv tseem hais tias cov canvases yuav tsum raug kho kom sov. Kev lees txais canvas yog thaum qhov chaw tsis muaj kab nrib pleb, kev poob cev qhev, nplai lossis corrosion.