Dab tsi yog qhov kev siv ntawm kev xam qhov sib dhos qhov ntev chains?
Precision thiab precision:
Muab xam los ua ke dimension chains yuav xyuas kom meej tias koj muaj qhov tseeb ntsuas thiab qhov ntev ntawm cov khoom. Qhov no tseem yuav pab kom muaj kev sib raug zoo thiab haum.
Interchangeability:
Sib dhos qhov ntev chains yog siv los txiav txim siab kam rau siab ntawm cov khoom thiab xyuas kom muaj kev sib hloov. Qhov no yog qhov tseem ceeb tshwj xeeb hauv kev tsim khoom loj uas cov khoom yuav tsum tau sib sau los yog hloov tau yooj yim.
Zam kev cuam tshuam:
Kev suav qhov sib dhos qhov ntev chains tuaj yeem pab tiv thaiv kev sib tsoo lossis cuam tshuam ntawm cov khoom. Koj tuaj yeem ua kom paub tseeb tias cov khoom yuav haum ua ke zoo los ntawm kev txiav txim siab lawv qhov ntev.
Kev Ntsuam Xyuas Kev Nyuaj Siab:
Los ntawm kev xam qhov sib dhos qhov ntev chains, engineers tuaj yeem nkag siab txog kev faib cov kev ntxhov siab hauv lub rooj sib txoos. Cov ntaub ntawv no yog qhov tseem ceeb hauv kev tsim cov khoom siv hauv tsev kom ntseeg tau tias lawv muaj peev xwm tiv taus qhov kev cia siab los yog quab yuam.
Kev Tswj Xyuas Zoo:
Los ntawm kev txheeb xyuas qhov sib dhos qhov sib dhos kom raug koj tuaj yeem tsim cov qauv rau kev tswj kom zoo, uas yuav tso cai rau koj txheeb xyuas qhov tsis raug lossis sib txawv hauv cov txheej txheem tsim khoom. Qhov no yuav pab tswj cov qauv siab thiab txo qhov tsis xws luag.
Tus nqi optimization:
Los ntawm kev txo cov khoom pov tseg, txo qis kev tsim khoom tsis raug thiab ua kom muaj txiaj ntsig zoo, kev suav ntawm kev sib dhos qhov ntev chains yuav ua rau tus nqi optimization. Qhov no yog ib qho tseem ceeb tshwj xeeb rau kev lag luam uas yuav tsum tau muaj siab precision, xws li aerospace lossis automotive manufacturing.
Dimension chain definition:
Cov saw hlau sib dhos yog cov saw hlau uas muaj qhov ntev thiab kev sib koom ua haujlwm ntawm ntau qhov chaw hauv txheej txheem sib dhos.
Cov saw hlau loj kom ntseeg tau qhov tseeb ntawm kev sib dhos thiab rationality thaum lub sij hawm sib dhos txheej txheem.
Kev nkag siab yooj yim yog yuav muaj cov saw hlau ntawm qhov ntev rau cov khoom thiab kev sib txuas ua ke.
Qhov Loj Chain yog dab tsi?
Cov saw hlau loj yog ib pawg ntawm qhov sib txuas ntawm qhov ntev tsim thaum lub sij hawm sib dhos ntawm lub tshuab lossis ua ib feem.
Cov saw loj yog ua los ntawm cov nplhaib thiab kaw lub nplhaib. Lub nplhaib kaw tuaj yeem tsim tau ib txwm muaj tom qab kev sib dhos lossis kev ua haujlwm machining.
Cov saw hlau loj tuaj yeem siv los txheeb xyuas thiab tsim cov txheej txheem txheej txheem qhov ntev. Nws yog ib qho tseem ceeb hauv kev tsim cov txheej txheem machining thiab ua kom qhov tseeb ntawm kev sib dhos.
Vim li cas thiaj muaj cov saw hlau?
Cov saw hlau seem muaj nyob kom paub meej tias txhua qhov khoom tsim tau nrog qhov yuav tsum tau muaj tseeb.
Txhawm rau kom muaj txiaj ntsig zoo hauv kev ua, sib dhos, thiab siv nws yog qhov yuav tsum tau suav thiab txheeb xyuas qee qhov ntev, qhov siab ntev, thiab kev xav tau.
Cov saw hlau loj yog ib lub tswv yim yooj yim uas ua kom cov khoom lag luam loj. Nws yog kev sib raug zoo ntawm cov khoom hauv cov txheej txheem sib dhos uas tsim cov chains seem.
Dimension chain definition cov kauj ruam:
1. Lub rooj sib dhos yuav tsum raug kaw.
2. Kho qhov sib dhos sib dhos.
3. Kev ua siab ntev rau cov khoom sib dhos yuav tsum raug txhais.
4. Lub dimension saw tsim ib tug kaw-voj dimension saw raws li los ua kecnc machining Cheebtsam.
Assembly dimension chain case 1
Raws li pom nyob rau hauv daim duab, lub rationality ntawm kam rau ua labeling yog soj ntsuam los ntawm kev xam:
Ua ntej xam raws li qhov sib txawv sab saud:
Qhov siab tshaj plaws ntawm cov ncej puab sab hauv txoj kab uas hla: 45.6
Upper limit size ntawm ntu A: 10.15
Txwv qhov loj me ntawm ntu B: 15.25
Txwv qhov loj me ntawm ntu C: 20.3
xam:
45.6-10.15-15.25-20.3 =-0.1 ib
Qhov cuam tshuam yuav yog 0.1 hli yog tias cov khoom ncav cuag qhov txwv siab. Qhov no yuav ua rau cov khoom tsis tuaj yeem ua kom zoo. Nws yog qhov tseeb tias kev kos duab kam rau ua yuav tsum tau txhim kho.
Ces xam qhov sib txawv los ntawm nias:
Tsawg txwv qhov loj ntawm cov ncej puab sab hauv txoj kab uas hla: 45.0
Tsawg txwv qhov loj ntawm ntu A: 9.85
Tsawg txwv qhov loj ntawm ntu B: 14.75
Tsawg txwv qhov loj ntawm ntu C: 19.7
xam:
45.0–9.85–14.75–19.7 = 0.7
Yog tias cov khoom ua tiav ntawm qhov sib txawv qis dua, qhov sib dhos sib dhos yuav yog 0.7mm. Nws tsis tau lees tias cov khoom yuav muaj qhov sib txawv qis dua thaum lawv tau ua tiav.
Tom qab ntawd xam raws li xoom sib txawv:
Basic sab hauv txoj kab uas hla ntawm txheej ncej: 45.3
Ntu A qhov loj me: 10
Ntu B qhov loj me: 15
Ntu C qhov loj me: 20
xam:
45.3-10-15-20 = 0.3 ib
Nco tseg:Piv txwv tias cov khoom nyob hauv qhov loj me, yuav muaj 0.3mm sib dhos sib txawv. Tseem tsis tau lees tias yuav tsis muaj qhov sib txawv ntawm qhov ntau thiab tsawg ntawm cov khoom thaum lub sijhawm ua haujlwm.
Qhov khoob uas yuav tshwm sim tom qab ua tiav cov duab kos raws li tus qauv tolerances ntawm qhov ntev.
Qhov siab tshaj plaws: 45.6-9.85-14.75-19.7 = 1.3
Yam tsawg kawg nkaus: 45-10.15-15.25-20.3 = -0.7
Daim duab qhia tau hais tias txawm tias qhov chaw nyob rau hauv qhov kam rau ua, tej zaum yuav muaj qhov sib txawv lossis cuam tshuam txog li 0.7 hli. Cov kev cai sib dhos tsis tuaj yeem ua tau raws li qhov xwm txheej hnyav no.
Ua ke cov kev txheeb xyuas saum toj no, sib dhos qhov sib txawv rau peb qhov siab yog: -0.1, +0.7, thiab 0.3. xam tus nqi defect:
Xam cov naj npawb ntawm qhov tsis xws luag los xam tus nqi tsis raug.
Tus nqi defect yog:
(x+y+z) / nx 100%
Raws li cov xwm txheej tau muab rau hauv nqe lus nug, cov kab ke hauv qab no tuaj yeem sau npe:
x + y + z = n
x = n* (– 0.1 / (– 0.1 + 0.3 + 0.7))
y = n* (0.7 / (– 0.1 + 0.3 + 0.7))
z = n* (0.3 / (– 0.1 + 0.3 + 0.7))
Muab cov kev sib npaug saum toj no rau hauv cov qauv hauv qab no los xam tus nqi tsis raug:
(– 0.1 * n / (– 0.1 + 0.3 + 0.7) ) + ( 0.7 * n / (– 0.1 + 0.3 + 0.7) ) + ( 0.3 * n / ( – 0.1 + 0.3 + 0.7) ) / nx 100%
Qhov kev daws teeb meem tsis zoo yog 15.24%.
Kev sib xyaw ua ke ntawm kev suav ntawm kev ua siab ntev nrog kev pheej hmoo ntawm 15,24% tus nqi tsis raug, cov khoom yuav tsum tau kho kom haum rau kev sib sau ua ke.
1. Tsis muaj kaw-voj dimension saw, thiab kev tsom xam thiab kev sib piv tsis yog raws li cov saw hlau tiav.
2. Muaj ntau lub tswv yim yuam kev. Tus editor tau hloov "sab saum toj siab", "tso siab ntev", thiab "standard kam rau ua".
3. Nws yog ib qho tseem ceeb rau kev txheeb xyuas cov algorithm rau kev xam cov nqi yield.
Tus nqi tawm los rau kev ua cov khoom yog ib txwm faib. Ntawd yog, qhov tshwm sim uascnc machined yas qhov chawnyob rau ntawm lawv qhov nruab nrab qhov tseem ceeb tshaj plaws. Nyob rau hauv cov ntaub ntawv no, feem ntau yuav loj me me ntawm ib feem yog nws qhov yooj yim dimension.
Xam tus nqi tsis raug. Qhov no yog qhov piv ntawm tus naj npawb ntawm cov khoom tsis raug tsim tawm thiab tag nrho cov khoom tsim tawm. Peb tuaj yeem suav cov lej uas siv qhov sib txawv li cas? Nws tsis muaj dab tsi nrog tus nqi sib txawv kawg uas yuav tsum tau muaj? Yog tias qhov loj me yog qhov yooj yim, ces lawv tuaj yeem muab faib thiab siv rau hauv kev suav cov nqi tsis raug.
Assembly dimension chain case 2
Nco ntsoov tias qhov sib txawv ntawm cov khoom yog ntau dua 0.1mm
Qhov kam rau qhov 1 yog 10.00 + 0.00/-0.10
Kev kam rau ntu 2 yog 10.00 + 0.00/-0.10
Kev kam rau kev sib dhos yog 20.1 + 0.10 / 0.00.
Tsuav yog lub rooj sib txoos nyob rau hauv qhov kam rau ua, nws yuav tsis muaj qhov tsis xws luag.
1. Nws tsis paub meej tias qhov kev sib dhos zaum kawg yog dab tsi, thiab yog li nws nyuaj rau txiav txim siab yog tias nws tsim nyog.
2. xam qhov siab tshaj plaws thiab qhov tsawg kawg nkaus clearance raws li qhov project qhov ntev.
Qhov siab tshaj qhov sib txawv: 20.2-9.9-9.9 = 0.4
Qhov sib txawv tsawg kawg yog 20-10-10 = 0
Nws tsis tuaj yeem txiav txim siab seb nws puas tsim nyog raws li qhov sib txawv ntawm 0-0.4. Qhov kev txiav txim siab tias tsis muaj "tsis muaj qhov tshwm sim ntawm kev sib dhos tsis zoo" tsis muaj tseeb. .
Assembly dimension chain case 3
Nruab nrab ntawm lub plhaub txoj hauj lwm qhov thiab cov ncej, muaj peb qhov ntau thiab tsawg ntawm cov saw hlau.
Kev kam rau siab rau qhov nruab nrab ntawm qhov nruab nrab ntawm ob lub posts yuav tsum tsawg tshaj li cov txiv neej sib dhos kam rau ua hauv thawj qhov ntev saw.
Qhov kam rau nruab nrab ntawm txoj hauj lwm posts thiab lub qhov yuav tsum yog me me nyob rau hauv lub thib ob dimension saw tshaj qhov nruab nrab ntawm ob ncej.
Thib Peb Dimension Chain: Lub siab ntev ntawm txoj hauj lwm ncej yuav tsum tsawg dua qhov ntawm lub qhov.
Qhov kam rau ua rau ntu A yog 100+-0.15
Kev kam rau sab B: 99.8+0.15
Qhov kev ncua deb ntawm qhov chaw pins ntawm ntu A thiab ntu B yog 70+-0.2
Qhov kev ncua deb ntawm qhov chaw nruab nrab ntawm qhov B yog 70+-0.2
Txoj kab uas hla ntawm ntu A tus pin positioning yog 6 + 0.00 / 0.1
Txoj kab uas hla ntawm qhov B qhov chaw yog 6.4 + 0.1 / 0.0
Raws li pom nyob rau hauv daim duab no, lub tolerance cim yuav tsis cuam tshuam rau ib lub rooj sib txoos yog hais tias nws ua tau raws li qhov kam rau ua.
Txoj kev kam rau ua tau raug siv los xyuas kom meej tias qhov kev sib dhos zaum kawg tuaj yeem ua tiav. Cov pinholes thiab pins ntawm ntu A thiab B nrog rau lawv txoj haujlwm raug cim siv txoj haujlwm degrees.
Assembly dimension chain case 4
Raws li pom nyob rau hauv daim duab, thawj zaug paub meej tias lub siab ntev ntawm B vaj tse. Kev kam rau kev sib dhos ntawm A axis yuav tsum tsawg dua li ntawm B vaj tse thiab C iav. Kev hloov ntawm B vaj tse yuav tsis cuam tshuam yog tias siv C iav.
Assembly dimension chain case 5
Lub perpendicularity ntawm txoj hauj lwm axis rau lub plhaub qis yog xauv.
Txhawm rau kom ntseeg tau qhov tseeb, lub plhaub qis thiab qhov chaw ua haujlwm yuav tsum tau sib sau ua ke nrog kev kam rau siab ntau dua li ntawm lub plhaub sab sauv.
Txhawm rau tiv thaiv cov ncej los ntawm kev rub tawm nws txoj haujlwm thaum lub plhaub sab saud tau sib sau ua ke, qhov kev kam rau siab ntawm lub plhaub sab sauv thiab sab qis yuav tsum loj dua qhov kev ua siab ntev ntawm kev sib sau ua ke ntawm qhov chaw ua haujlwm.
Assembly dimension chain case 6
Txhawm rau kom muaj kev sib haum xeeb hauv qhov siab ntawm kab kos duab sab nraud ntawm lub rooj sib txoos, kev kam rau lub concave sib koom ntawm lub tsev qis yuav tsum yog me dua li ntawm cov convex sib koom ntawm lub tsev sab saud.
Assembly dimension chain case 7
Txhawm rau kom tsis txhob muaj qhov sib txawv ntawm ntu A thiab B, qhov kam rau ua ntawm ntu A ntxiv rau lub hauv paus sib dhos yuav tsum loj dua qhov B thiab qhov C ua ke.
Sib dhos dimension chain case 8
Ua ntej, raws li qhia nyob rau hauv daim duab: thawj zaug xyuas lub rooj sib txoos tolerance A.
Kev kam rau siab ntawm kev sib dhos datum A thiab lub cev muaj zog C yuav tsum me dua li ntawm lub cev muaj zog B thiab qhov B.
Txhawm rau kom muaj kev sib hloov du, lub iav tsav yuav tsum tig du. Lub A los ua ke datum thiab tsav iav kam rau ua yuav tsum tsawg dua ib leeg.
Assembly dimension chain case 9
Txhawm rau khij qhov ua tau zoo nyob rau hauv rooj plaub ntawm kev sib dhos ntawm ntau qhov chaw, cov ncej me me thiab qhov loj qhov hauv paus ntsiab lus yog siv. Qhov no yuav xyuas kom meej tias tsis muaj kev cuam tshuam los ua ke.
Assembly dimension chain case 10
Kev cuam tshuam los ua ke yuav tsis tshwm sim vim qhov kam rau ntawm lub qhov yog qhov zoo thiab cov axis tsis zoo.
Nrog Anebon cov thev naus laus zis zoo ib yam li peb lub siab ntawm kev tsim kho tshiab, kev sib koom tes, cov txiaj ntsig thiab kev txhim kho, peb yuav tsim kom muaj kev vam meej yav tom ntej ua ke nrog koj lub lag luam zoo rau OEM Chaw Tsim Tshuaj Custom HighPrecision aluminium qhov chaw, tig hlau qhov chaw,cnc milling qhov chaw, Thiab kuj muaj ntau tus phooj ywg nyob txawv teb chaws tuaj yeem pom, lossis tso siab rau peb mus yuav lwm yam khoom rau lawv. Koj yuav zoo siab txais tos tuaj rau Tuam Tshoj, rau Anebon lub nroog thiab rau Anebon lub chaw tsim khoom!
Tuam Tshoj Lag luam wholesale Tuam Tshoj machined Cheebtsam, cnc khoom, steel tig qhov chaw thiab stamping tooj liab. Anebon muaj cov cuab yeej siv ntau lawm, thiab nrhiav kev tshiab hauv cov khoom. Tib lub sijhawm, kev pabcuam zoo tau txhim kho lub koob npe zoo. Anebon ntseeg tias ntev npaum li koj nkag siab txog peb cov khoom, koj yuav tsum txaus siab los ua tus koom tes nrog peb. tos ntsoov rau koj qhov kev nug.
Post lub sij hawm: Oct-12-2023