interface 201 Load Cells User Guide

interface 201 Load Cells

Cov ntaub ntawv khoom

Specifications

• Qauv: Load Cells 201 Qhia
• Chaw tsim tshuaj paus: Interface, Inc.
• Excitation Voltage: 10 VDC
• Choj Circuit Court: Tag nrho tus choj
• Leg Resistance: 350 ohms (tshwj tsis yog rau cov qauv series 1500 thiab 1923 nrog 700 ohm ceg)

Cov lus qhia siv khoom

Excitation Voltage
Interface load hlwb tuaj nrog ib tug tag nrho tus choj Circuit Court. Qhov nyiam excitation voltage yog 10 VDC, kom ntseeg tau qhov sib tw ze tshaj plaws rau qhov qub calibration ua ntawm Interface.

Kev teeb tsa

1. Xyuas kom lub load cell raug muab tso rau ntawm qhov chaw ruaj khov kom tsis txhob muaj kev vibrations lossis cuam tshuam thaum ntsuas.
2. Txuas cov kab hluav taws xob thauj khoom kom ruaj ntseg mus rau qhov chaw sib cuam tshuam raws li cov lus qhia.

Calibration

1. Ua ntej siv lub load cell, calibrate nws raws li cov chaw tsim tshuaj paus cov lus qhia kom paub meej qhov ntsuas.
2. Ua cov calibration tsis tu ncua kom tswj tau qhov ntsuas ntsuas raws sijhawm.

Kev tu

1. Khaws lub xov tooj ntawm tes kom huv si thiab tsis muaj cov khib nyiab uas tuaj yeem cuam tshuam rau nws txoj haujlwm.
2. Tshawb xyuas lub xovtooj ntawm tes tsis tu ncua rau cov cim ntawm kev hnav lossis kev puas tsuaj thiab hloov yog tias tsim nyog.

Cov lus nug nquag nug (FAQ)

• Q: Kuv yuav ua li cas yog tias kuv cov ntawv nyeem ntawm tes tsis sib xws?
  A: Tshawb xyuas lub installation rau ib qho kev sib txuas xoob lossis kev txhim kho tsis raug uas tuaj yeem cuam tshuam rau kev nyeem ntawv. Recalibrate lub load cell yog xav tau.
• Q: Kuv puas tuaj yeem siv lub xov tooj ntawm tes rau kev ntsuas lub zog?
  A: Lub load cell specifications yuav tsum qhia seb nws puas haum rau dynamic quab yuam ntsuas. Xa mus rau cov neeg siv phau ntawv los yog hu rau cov chaw tsim khoom rau kev taw qhia tshwj xeeb.
• Q: Kuv yuav ua li cas thiaj paub yog tias kuv lub xov tooj thauj khoom xav tau hloov pauv?
  A: Yog tias koj pom qhov sib txawv tseem ceeb hauv kev ntsuas, tus cwj pwm tsis zoo, lossis kev puas tsuaj rau lub cev ntawm lub cev, nws yuav yog lub sijhawm los txiav txim siab hloov nws. Hu rau cov chaw tsim khoom kom muaj kev pab ntxiv.

Taw qhia

Taw qhia rau Load Cells 201 Phau Ntawv Qhia
Zoo siab txais tos rau Interface Load Cells 201 Phau Ntawv Qhia: Cov txheej txheem dav dav rau kev siv Load Cells, ib qho tseem ceeb extract los ntawm Interface's nrov Load Cell Field Guide.
Qhov kev siv ceev ceev no delves rau hauv cov tswv yim ntawm kev teeb tsa thiab siv cov khoom siv thauj khoom, txhawb koj kom rho tawm qhov tseeb tshaj plaws thiab txhim khu kev ntsuas quab yuam los ntawm koj cov cuab yeej.
Txawm hais tias koj yog ib tus kws tshaj lij lossis tus neeg tuaj tshiab xav paub txog lub ntiaj teb ntawm kev ntsuas kev quab yuam, phau ntawv qhia no muab cov kev paub tsis muaj txiaj ntsig thiab cov lus qhia siv tau los ua cov txheej txheem, los ntawm kev xaiv txoj cai thauj khoom ntawm tes kom ntseeg tau tias kev ua haujlwm zoo thiab ua haujlwm ntev.
Hauv phau ntawv qhia luv luv no, koj yuav pom cov ntaub ntawv txheej txheem dav dav txog kev siv Interface quab yuam ntsuas kev daws teeb meem, tshwj xeeb yog peb cov khoom thauj khoom hnyav.
Tau txais kev nkag siab zoo ntawm lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm lub xov tooj ntawm tes, suav nrog excitation voltage, tso zis teeb liab, thiab ntsuas qhov tseeb. Master the art of proper load cell installation nrog cov lus qhia ntxaws txog lub cev mounting, cable kev twb kev txuas, thiab system integration. Peb yuav qhia koj txog qhov tsis txaus ntseeg ntawm "tuag" thiab "nyob" xaus, ntau hom xovtooj ntawm tes, thiab cov txheej txheem mounting tshwj xeeb, ua kom muaj kev ruaj ntseg thiab ruaj khov.
Lub Interface Load Cells 201 Phau Ntawv Qhia yog lwm qhov kev siv los pab koj hauv kev paub txog kev kos duab ntawm kev ntsuas quab yuam. Nrog nws cov lus piav qhia meej, cov txheej txheem ua tau zoo, thiab cov lus pom zoo, koj yuav ua tau zoo ntawm koj txoj hauv kev kom tau txais cov ntaub ntawv raug thiab txhim khu kev qha, txhim kho koj cov txheej txheem, thiab ua tiav cov txiaj ntsig tshwj xeeb hauv txhua daim ntawv thov ntsuas kev quab yuam.
Nco ntsoov, kev ntsuas qhov tseeb yog qhov tseem ceeb rau kev lag luam suav tsis txheeb thiab kev ua haujlwm. Peb xav kom koj tshawb nrhiav cov ntu hauv qab no kom nkag siab tob rau hauv cov ntsiab lus tshwj xeeb ntawm kev siv lub xov tooj ntawm tes thiab tso tawm lub zog ntawm kev ntsuas qhov tseeb. Yog tias koj muaj lus nug txog ib qho ntawm cov ncauj lus no, xav tau kev pab xaiv qhov zoo sensor, lossis xav tshawb nrhiav ib daim ntawv thov tshwj xeeb, hu rau Interface Application Engineers.
Koj pab neeg Interface

Cov txheej txheem dav dav rau kev siv cov Load Cells

Excitation Voltage

Interface load hlwb tag nrho muaj ib tug tag nrho choj Circuit Court, uas yog qhia nyob rau hauv daim ntawv simplified nyob rau hauv daim duab 1. Txhua ceg feem ntau yog 350 ohms, tshwj tsis yog rau cov qauv series 1500 thiab 1923 uas muaj 700 ohm ob txhais ceg.
Qhov nyiam excitation voltage yog 10 VDC, uas lav tus neeg siv qhov sib tw ze tshaj plaws rau qhov kev ntsuas thawj zaug ua tiav ntawm Interface. Qhov no yog vim qhov gage factor (rhiab heev ntawm gages) cuam tshuam los ntawm qhov kub thiab txias. Txij li thaum tshav kub dissipation nyob rau hauv lub gages yog txuas mus rau lub flexure los ntawm ib tug nyias epoxy kua nplaum kab, cov gages yog khaws cia nyob rau hauv ib tug kub heev ze rau lub ambient flexure kub. Txawm li cas los xij, qhov siab dua qhov hluav taws xob dissipation nyob rau hauv lub gages, qhov deb lub gage kub tawm ntawm qhov flexure kub. Raws li daim duab 2, pom tias tus choj 350 ohm dissipates 286 mw ntawm 10 VDC. Muab ob npaug rau voltage mus rau 20 VDC quadruples lub dissipation mus rau 1143 mw, uas yog ib tug loj npaum li cas ntawm lub hwj chim nyob rau hauv lub me me gages thiab yog li ua rau ib tug ntau ntawm qhov kub thiab txias gradient los ntawm gages mus rau flexure. Conversely, halving lub voltage mus rau 5 VDC txo cov dissipation mus rau 71 mw, uas tsis yog tsawg dua 286 mw. Ua haujlwm Low Profile cell ntawm 20 VDC yuav txo nws qhov rhiab heev li ntawm 0.07% los ntawm Interface calibration, whereas kev khiav hauj lwm ntawm 5 VDC yuav ua rau kom nws rhiab heev los ntawm tsawg tshaj li 0.02%. Kev ua haujlwm ntawm lub xov tooj ntawm 5 lossis txawm tias 2.5 VDC txhawm rau txuag lub zog hauv cov khoom siv nqa tau yog ib qho kev coj ua ntau heev.

Qee cov ntaub ntawv portable loggers hluav taws xob hloov qhov excitation rau ib feem tsawg heev ntawm lub sij hawm kom txuag hluav taws xob ntxiv. Yog tias lub voj voog ua haujlwm (percentage ntawm "rau" lub sij hawm) tsuas yog 5%, nrog 5 VDC excitation, cov cua kub nyhuv yog ib tug miniscule 3.6 mw, uas yuav ua rau ib tug nce nyob rau hauv rhiab heev txog li 0.023% ntawm lub Interface calibration. Cov neeg siv khoom siv hluav taws xob uas tsuas yog AC excitation yuav tsum muab tso rau 10 VRMS, uas yuav ua rau tib lub tshav kub dissipation hauv tus choj gages li 10 VDC. Variation in excitation voltage kuj tuaj yeem ua rau me me hloov pauv hauv xoom tshuav thiab nkag mus. Cov nyhuv no yog pom zoo tshaj plaws thaum lub excitation voltage yog thawj tig rau. Txoj kev daws teeb meem rau cov nyhuv no yog tso cai rau lub xov tooj ntawm tes kom ruaj khov los ntawm kev ua haujlwm nrog 10 VDC excitation rau lub sijhawm xav tau rau qhov ntsuas kub kom ncav cuag qhov sib npaug. Rau qhov tseem ceeb calibrations no yuav xav tau txog li 30 feeb. Txij li thaum excitation voltage feem ntau yog tswj kom zoo los txo qhov ntsuas qhov yuam kev, cov teebmeem ntawm excitation voltage variation feem ntau tsis pom los ntawm cov neeg siv tsuas yog thaum lub voltage yog thawj zaug siv rau ntawm tes.

Tej thaj chaw deb Sensing of Excitation Voltage

Ntau daim ntawv thov tuaj yeem ua rau kev siv plaub-xaim kev sib txuas qhia hauv daim duab 3. Lub teeb liab txias ua rau muaj kev tswj hwm kev ua kom zoo siab vol.tage, Vx, uas feem ntau yog 10 VDC. Ob lub xov hlau nqa lub excitation voltage mus rau lub load cell txhua tus muaj ib txoj kab tsis kam, Rw. Yog hais tias lub cable txuas yog luv txaus, qhov poob hauv excitation voltage nyob rau hauv cov kab, tshwm sim los ntawm tam sim no ntws los ntawm Rw, yuav tsis muaj teeb meem. Daim duab 4 qhia txog kev daws teeb meem rau kab poob. Los ntawm nqa ob lub xov hlau ntxiv rov qab los ntawm lub xov tooj ntawm tes, peb tuaj yeem txuas lub voltage txoj cai ntawm lub terminals ntawm lub load cell mus rau lub sensing circuits nyob rau hauv lub teeb liab txias. Yog li, lub regulator Circuit Court tuaj yeem tswj tau qhov excitation voltage ntawm lub load cell precisely ntawm 10 VDC nyob rau hauv tag nrho cov mob. Qhov no 5-xaim Circuit Court tsis tsuas yog kho qhov poob ntawm cov xov hlau, tab sis kuj kho rau cov kev hloov ntawm cov hlau tsis kam vim qhov kub thiab txias. Daim duab XNUMX qhia txog qhov loj ntawm qhov tsis raug tsim los ntawm kev siv plaub-xaim cable, rau peb qhov ntau thiab tsawg ntawm cov cables.
Daim duab tuaj yeem cuam tshuam rau lwm qhov ntau thiab tsawg los ntawm kev ceeb toom tias txhua kauj ruam nce hauv cov hlau loj nce qhov tsis kam (thiab yog li kab poob) los ntawm qhov tseem ceeb ntawm 1.26 npaug. Daim duab kuj tseem siv tau los xam qhov yuam kev rau qhov sib txawv cable ntev los ntawm kev xam qhov piv ntawm qhov ntev mus rau 100 ko taw, thiab muab qhov sib piv qhov sib npaug ntawm tus nqi ntawm daim duab. Qhov ntsuas kub ntawm daim duab yuav zoo li dav dua qhov tsim nyog, thiab qhov ntawd yog qhov tseeb rau feem ntau cov ntawv thov. Txawm li cas los xij, xav txog # 28AWG cable uas feem ntau khiav tawm sab nraud mus rau qhov chaw hnyav thaum lub caij ntuj no, ntawm 20 degrees F. Thaum lub hnub ci ntawm lub cable nyob rau lub caij ntuj sov, lub cable kub tuaj yeem nce mus txog 140 degrees F. Qhov yuam kev yuav nce los ntawm - 3.2% RDG rau -4.2% RDG, hloov ntawm -1.0% RDG.
Yog hais tias lub load ntawm cable yog nce los ntawm ib lub cell load mus rau plaub lub load cell, cov tee yuav yog plaub zaug zuj zus. Yog li ntawd, rau example, 100-foot #22AWG cable yuav muaj qhov yuam kev ntawm 80 degrees F ntawm (4 x 0.938) = 3.752% RDG.
Cov kev ua yuam kev no yog qhov tseem ceeb heev uas cov qauv kev coj ua rau txhua qhov kev teeb tsa ntawm ntau lub xov tooj yog siv lub teeb liab txias uas muaj peev xwm paub txog tej thaj chaw deb, thiab siv 16-xaim cable tawm mus rau lub thawv sib txuas uas cuam tshuam rau plaub lub hlwb. Nco ntsoov tias lub tsheb loj loj tuaj yeem muaj ntau npaum li XNUMX lub tsheb thauj khoom, nws yog ib qho tseem ceeb los daws qhov teeb meem ntawm cable tsis kam rau txhua qhov kev teeb tsa.
Cov cai yooj yim ntawm tus ntiv tes xoo uas yooj yim rau nco qab:

1. Qhov tsis kam ntawm 100 ko taw ntawm # 22AWG cable (ob lub xov hlau hauv lub voj) yog 3.24 ohms ntawm 70 degrees F.
2. Txhua peb kauj ruam hauv cov hlau loj ob npaug ntawm qhov tsis kam, lossis ib kauj ruam nce qhov kev tawm tsam los ntawm qhov zoo ntawm 1.26 npaug.
3. Qhov kub coefficient ntawm tsis kam ntawm annealed tooj liab hlau yog 23% ib 100 degrees F.

Los ntawm cov kev tsis tu ncua no nws tuaj yeem suav lub voj tsis kam rau txhua qhov sib xyaw ntawm cov xaim loj, cable ntev, thiab kub.

Lub cev Mounting: "Tuag" thiab "nyob" Kawg

Txawm hais tias lub xovtooj ntawm tes yuav ua haujlwm txawm tias nws tau taw qhia li cas thiab seb nws puas ua haujlwm hauv hom nro lossis compression hom, mounting lub cell kom zoo yog qhov tseem ceeb heev los xyuas kom meej tias lub xovtooj ntawm tes yuav muab cov ntawv nyeem ruaj khov tshaj plaws uas nws muaj peev xwm.

Txhua lub cell load muaj qhov "tuag" kawg Live End thiab "nyob" kawg. Qhov kawg tuag yog txhais raws li lub mounting kawg uas yog ncaj qha mus rau lub tso zis cable los yog connector los ntawm cov khoom hlau, raws li qhia los ntawm cov xub hnyav nyob rau hauv daim duab 6. Conversely, lub nyob kawg yog sib cais los ntawm cov zis cable los yog connector los ntawm lub gage cheeb tsam. ntawm flexure.

Lub tswv yim no yog qhov tseem ceeb, vim hais tias mounting ib lub xov tooj ntawm nws nyob kawg ua rau nws raug rau lub zog qhia los ntawm kev tsiv los yog rub lub cable, whereas mounting nws nyob rau hauv lub tuag kawg xyuas kom meej tias lub zog los ntawm lub cable yog shunted mus rau lub mounting es tsis txhob. ntsuas los ntawm lub load cell. Feem ntau, Interface nameplate nyeem kom raug thaum lub xov tooj ntawm tes zaum ntawm qhov kawg ntawm kab rov tav. Yog li ntawd, tus neeg siv tuaj yeem siv daim ntawv sau npe los qhia qhov xav tau kev taw qhia meej meej rau pawg neeg teeb tsa. Raws li ib tug example, rau ib lub cell installation tuav lub nkoj nyob rau hauv nro los ntawm lub qab nthab joist, tus neeg siv yuav qhia mounting lub cell kom lub nameplate nyeem upside down. Rau lub cell mounted ntawm lub tog raj kheej hydraulic, lub nameplate yuav nyeem kom raug thaum viewed los ntawm hydraulic lub tog raj kheej kawg.

CEEB TOOM: Qee tus neeg siv khoom Interface tau teev tseg tias lawv daim ntawv teev npe tau taw qhia rov qab los ntawm kev coj ua ib txwm ua. Siv ceev faj ntawm tus neeg siv khoom lub installation kom txog rau thaum koj paub tseeb tias koj paub qhov xwm txheej ntawm daim ntawv teev npe.

Mounting txheej txheem rau Beam Cells

Beam hlwb yog mounted los ntawm lub tshuab screws los yog bolts los ntawm ob lub qhov uas tsis tau siv ntawm qhov kawg ntawm qhov flexure. Yog tias ua tau, lub tshuab ntxhua khaub ncaws yuav tsum tau siv nyob rau hauv lub taub hau ntsia hlau kom tsis txhob muaj qhov sib tw ntawm qhov chaw thauj khoom ntawm tes. Tag nrho cov bolts yuav tsum yog Qib 5 txog #8 loj, thiab Qib 8 rau 1/4 "los yog loj dua. Txij li thaum tag nrho cov torques thiab quab yuam tau siv rau ntawm qhov kawg ntawm lub xov tooj ntawm tes, muaj kev pheej hmoo me ntsis uas lub xov tooj yuav raug puas tsuaj los ntawm cov txheej txheem mounting. Txawm li cas los xij, tsis txhob siv hluav taws xob arc vuam thaum lub xov tooj ntawm tes raug teeb tsa, thiab tsis txhob tso lub xov tooj ntawm tes los yog ntaus qhov kawg ntawm lub xov tooj ntawm tes. Rau mounting cov cell:

• MB Series hlwb siv 8-32 tshuab screws, torqued rau 30 nti-phaus
• SSB Series hlwb kuj siv 8-32 tshuab screws los ntawm 250 lbf peev
• Rau SSB-500 siv 1/4 - 28 bolts thiab torque rau 60 nti-phaus (5 ft-lb)
• Rau SSB-1000 siv 3/8 - 24 bolts thiab torque rau 240 nti-phaus (20 ft-lb)

Cov txheej txheem Mounting rau Lwm cov Mini Cells

Nyob rau hauv sib piv rau qhov yooj yim mounting txheej txheem rau beam hlwb, lwm yam Mini Cells (SM, SSM, SMT, SPI, thiab SML Series) ua rau muaj kev pheej hmoo ntawm kev puas tsuaj los ntawm kev thov tej torque los ntawm lub neej kawg mus rau qhov kawg tuag, los ntawm gaged. cheeb tsam. Nco ntsoov tias daim ntawv teev npe npog thaj chaw gaged, yog li lub xov tooj ntawm tes zoo li ib qho khoom siv hlau. Vim li no, nws yog ib qho tseem ceeb uas cov neeg tsim khoom tau txais kev cob qhia hauv kev tsim kho ntawm Mini Cells kom lawv nkag siab tias qhov kev thov ntawm lub zog tuaj yeem ua rau qhov chaw nyias nyias hauv qhov chaw, hauv qab lub npe.
Txhua lub sij hawm uas torque yuav tsum tau siv rau lub cell, rau mounting lub cell nws tus kheej los yog rau kev txhim kho ib tug fixture rau ntawm lub cell, qhov cuam tshuam kawg yuav tsum tau tuav los ntawm ib tug qhib-kawg ciaj ntswj los yog Crescent ciaj ntswj kom lub torque ntawm lub cell yuav ua tau. reacted nyob rau tib qhov kawg qhov twg lub torque yog siv. Nws yog feem ntau zoo rau nruab fixtures ua ntej, siv lub rooj ntev zaum vise los tuav lub load cell nyob kawg, thiab ces mount lub load cell ntawm nws tuag kawg. Cov kab ke no txo ​​qis qhov ua tau tias torque yuav raug siv los ntawm lub xov tooj ntawm tes.

Txij li thaum Mini Cells muaj cov poj niam threaded qhov ntawm ob qhov kawg rau kev txuas, tag nrho cov threaded rods los yog screws yuav tsum tau muab tso rau tsawg kawg ib txoj kab uas hla mus rau hauv lub threaded qhov,
los xyuas kom muaj kev ruaj ntseg. Tsis tas li ntawd, tag nrho cov threaded fixtures yuav tsum nruj nreem kaw nyob rau hauv qhov chaw nrog ib tug jam txiv ntseej los yog torqued mus rau lub xub pwg nyom, kom ntseeg tau tias ruaj xov xov. Kev sib cuag xov xoob yuav kawg ua rau hnav ntawm lub xov tooj ntawm lub xov tooj ntawm tes, nrog rau qhov tshwm sim uas lub xov tooj ntawm tes yuav ua tsis tau raws li qhov tshwj xeeb tom qab siv sijhawm ntev.

Threaded pas nrig siv los txuas rau Mini-Series load cells loj dua 500 lbf peev xwm yuav tsum tau kho cua sov rau Qib 5 lossis zoo dua. Ib txoj hauv kev zoo kom tau txais cov khoom siv tawv tawv nrog cov dov Class 3 threads yog siv Allen tsav teeb screws, uas tuaj yeem tau txais los ntawm ib qho ntawm cov chaw khaws khoom loj xws li McMaster-Carr lossis Grainger.
Rau cov txiaj ntsig zoo ib yam, kho vajtse xws li pas nrig kawg bearings thiab clevises tuaj yeem
muab ntsia rau ntawm lub Hoobkas los ntawm kev qhia meej txog cov khoom siv tiag tiag, kev sib hloov kev taw qhia, thiab qhov sib nrug ntawm qhov sib nrug ntawm qhov kev yuav khoom. Lub Hoobkas yeej ib txwm txaus siab los hais cov lus pom zoo thiab qhov ntev ntawm cov khoom siv txuas nrog.

Mounting txheej txheem rau Low Profile Cells Nrog Bases

Thaum Low Profile cell yog procured los ntawm lub Hoobkas nrog lub hauv paus ntsia, lub mounting bolts nyob ib ncig ntawm lub periphery ntawm lub xov tooj ntawm tes tau raug torqued kom zoo thiab lub xov tooj ntawm tes tau calibrated nrog lub hauv paus nyob rau hauv qhov chaw. Cov kauj ruam nyob rau hauv qab ntawm lub hauv paus yog tsim los coj cov quab yuam kom zoo los ntawm lub hauv paus thiab mus rau hauv lub load cell. Lub hauv paus yuav tsum tau bolted ruaj ntseg rau ib qho nyuaj, tiaj tus.

Yog hais tias lub hauv paus yuav tsum tau mounted rau ntawm tus txiv neej xov ntawm ib tug hydraulic lub tog raj kheej, lub hauv paus yuav tsum tau tuav los ntawm rotating los ntawm kev siv ib tug spanner wrench. Muaj plaub spanner qhov nyob ib ncig ntawm lub periphery ntawm lub hauv paus rau lub hom phiaj no.
Hais txog kev sib txuas rau cov hub threads, muaj peb qhov yuav tsum tau ua kom ua tiav cov txiaj ntsig zoo tshaj plaws.

1. Ib feem ntawm cov pas nrig threaded uas koom nrog lub load cell lub hub threads yuav tsum muaj Class 3 threads, los muab cov xov zoo sib xws rau cov xov tooj sib cuag.
2. Tus pas nrig yuav tsum tau muab ntsia rau hauv lub hub mus rau hauv qab ntsaws, thiab tom qab ntawd thim rov qab ib zaug, kom rov tsim cov xov sib txuas siv thaum lub sij hawm qub calibration.
3. Cov threads yuav tsum tau koom nruj nreem los ntawm kev siv cov txiv ntoo jam. Qhov yooj yim tshaj plaws kom ua tiav qhov no yog rub nro ntawm 130 mus rau
   140 feem pua ​​​​ntawm lub peev xwm ntawm lub xov tooj ntawm tes, thiab maj mam teem lub jam txiv ntoo. Thaum qhov nro raug tso tawm, cov xov yuav ua haujlwm zoo. Txoj kev no muab kev sib koom ua ke ntau dua li kev sim ua rau cov xov los ntawm torquing lub txiv ntoo jam uas tsis muaj qhov nro ntawm tus pas nrig.

Nyob rau hauv qhov xwm txheej tus neeg siv khoom tsis muaj cov chaw rau rub kom txaus los teeb tsa lub hub threads, Calibration Adapter kuj tuaj yeem ntsia tau rau hauv Low Profile cell ntawm lub Hoobkas. Qhov kev teeb tsa no yuav ua rau cov txiaj ntsig zoo tshaj plaws, thiab yuav muab cov txiv neej xov txuas uas tsis yog qhov tseem ceeb rau txoj kev sib txuas.

Tsis tas li ntawd, qhov kawg ntawm Calibration Adapter yog tsim rau hauv ib lub voj voog kheej kheej uas tseem Load Cell tso cai rau lub xov tooj siv los ua Base ncaj compression cell. Qhov no configuration rau compression hom yog ntau linear thiab repeatable tshaj li kev siv ntawm ib tug load khawm nyob rau hauv ib tug universal cell, vim hais tias lub calibration adapter tuaj yeem ntsia tau rau hauv qhov nro thiab jammed kom zoo rau cov xov zoo sib xws hauv lub xov tooj ntawm tes.

Mounting txheej txheem rau Low Profile Cells Tsis muaj Bases

Lub mounting ntawm Low Profile cell yuav tsum rov tsim dua lub mounting uas tau siv thaum lub sij hawm calibration. Yog li ntawd, thaum nws yog tsim nyog los mount ib lub load cell ntawm tus neeg siv khoom, cov nram qab no tsib yam yuav tsum tau nruj me ntsis soj ntsuam.

1. Lub mounting nto yuav tsum yog cov khoom uas muaj tib coefficient ntawm thermal expansion raws li lub load cell, thiab zoo sib xws hardness. Rau cov hlwb mus txog 2000 lbf muaj peev xwm, siv 2024 txhuas. Rau txhua lub hlwb loj, siv 4041 steel, hardened rau Rc 33 txog 37.
2. Lub thickness yuav tsum yog tsawg kawg yog tuab raws li lub Hoobkas puag feem ntau siv nrog lub load cell. Qhov no tsis tau txhais hais tias lub cell yuav tsis ua hauj lwm nrog ib tug nyias mounting, tab sis lub cell yuav tsis ua tau raws li linearity, repeatability los yog hysteresis specifications ntawm ib tug nyias mounting phaj.
3. Qhov saum npoo yuav tsum yog hauv av kom tiaj tus ntawm 0.0002 "TIR lf lub phaj yog kho tom qab sib tsoo, nws yog ib qho tsim nyog los muab lub ntsej muag ntxiv ib lub teeb sib tsoo kom zoo.
4. Lub mounting bolts yuav tsum yog Qib 8. Yog tias lawv tuaj yeem tsis tau hauv zos, lawv tuaj yeem xaj los ntawm lub Hoobkas. Rau cov cell nrog counterbored mounting qhov, siv lub qhov (socket head cap screws). Rau tag nrho lwm cov hlwb, siv hex taub hau bolts. Tsis txhob siv cov ntxhua khaub ncaws hauv qab lub taub hau taub hau.
5. Ua ntej, zawm cov bolts rau 60% ntawm qhov teev torque; Tom ntej no, torque rau 90%; thaum kawg, ua kom tiav ntawm 100%. Lub mounting bolts yuav tsum tau torqued nyob rau hauv ib ntus, raws li qhia nyob rau hauv daim duab 11, 12, thiab 13. Rau cov hlwb muaj 4 lub qhov mounting, siv tus qauv rau thawj 4 qhov nyob rau hauv lub 8-qhov qauv.

Mounting Torques rau Fixtures hauv Low Profile Cells

Lub torque qhov tseem ceeb rau mounting fixtures rau hauv lub active xaus ntawm Low Profile load hlwb tsis zoo ib yam li tus qauv muaj nuj nqis nyob rau hauv cov ntxhuav rau cov khoom siv. Yog vim li cas rau qhov sib txawv no yog tias nyias radial webs tsuas yog cov tswv cuab ntawm cov txheej txheem uas txwv qhov chaw nruab nrab ntawm kev sib hloov nrog kev sib raug zoo rau qhov chaw ntawm lub cell. Txoj kev nyab xeeb tshaj plaws kom ua tiav cov xov tooj ruaj khov tsis muaj kev puas tsuaj rau lub xov tooj yog siv lub zog tensile ntawm 130 mus rau 140% ntawm lub peev xwm ntawm lub xov tooj, teeb tsa lub txiv ntoo jam kom ruaj khov los ntawm kev siv lub teeb torque rau lub txiv ntoo jam, thiab ces tso lub load.

Torques ntawm lub hubs ntawm LowProfile® cov hlwb yuav tsum raug txwv los ntawm kev sib npaug hauv qab no:

Rau example, hub ntawm 1000 lbf LowProfile® cell yuav tsum tsis txhob raug ntau tshaj 400 lb-hauv ntawm torque.

CEEB TOOM: Kev siv lub zog ntau dhau tuaj yeem txiav qhov kev sib txuas ntawm ntug ntawm lub diaphragm sealing thiab flexure. Nws kuj tseem tuaj yeem ua rau muaj kev cuam tshuam mus tas li ntawm radial webs, uas tuaj yeem cuam tshuam rau qhov ntsuas qhov ntsuas tab sis yuav tsis tshwm sim raws li kev hloov pauv hauv xoom tshuav ntawm lub xov tooj ntawm tes.

Interface® yog tus ntseeg Lub Ntiaj Teb Tus Thawj Coj hauv Force Measurement Solutions®. Peb coj los ntawm kev tsim, tsim khoom, thiab lav qhov ua tau zoo tshaj plaws ntawm cov khoom siv thauj khoom, lub zog hloov hluav taws xob, ntau lub axis sensors, thiab cov cuab yeej muaj feem cuam tshuam. Peb cov engineers thoob ntiaj teb muab cov kev daws teeb meem rau aerospace, tsheb, lub zog, kev kho mob, thiab kev sim thiab ntsuas kev lag luam los ntawm grams mus rau lab phaus, hauv ntau pua qhov kev teeb tsa. Peb yog cov khoom lag luam zoo tshaj plaws rau Fortune 100 tuam txhab thoob ntiaj teb, suav nrog; Boeing, Airbus, NASA, Ford, GM, Johnson & Johnson, NIST, thiab ntau txhiab lab ntsuas. Peb cov chav ntsuas ntsuas hauv tsev txhawb nqa ntau yam qauv ntsuas: ASTM E74, ISO-376, MIL-STD, EN10002-3, ISO-17025, thiab lwm yam.

Koj tuaj yeem nrhiav tau cov ntaub ntawv xov xwm ntau ntxiv txog cov cell load thiab Interface® cov khoom muab ntawm www.interfaceforce.com, lossis los ntawm kev hu rau peb tus kws tshaj lij Daim Ntawv Thov Kev Pabcuam ntawm 480.948.5555.

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Kho tshiab 2024
Txhua txoj cai.
Interface, Inc. ua tsis muaj kev lav phib xaub, hais los yog qhia, suav nrog, tab sis tsis txwv rau, ib qho kev lees paub ntawm kev ua lag luam lossis kev nyab xeeb rau ib lub hom phiaj tshwj xeeb, hais txog cov ntaub ntawv no, thiab ua rau cov ntaub ntawv no muaj nyob rau ntawm "raws li yog" hauv paus. . Tsis muaj qhov tshwm sim yuav tsum Interface, Inc. yuav tsum lav rau leej twg rau qhov tshwj xeeb, khoom pov thawj, xwm txheej, lossis kev puas tsuaj tshwm sim los ntawm kev siv cov ntaub ntawv no.
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