Ib qho kev txhaj tshuaj molding ntsia hlau chim ceeb toom koj ua ntej nws ua tsis tiav. Saib rau tsib lub cim:drifting txhaj tshuaj hnyav, dub specks uas rov qab los tom qab ntxuav, nce lub cev muaj zog load ntawm tib cov zis, splay los yog nto defects, thiab qeeb ntsia hlau rov qab.Ib qho ntawm cov no tuaj yeem muaj lwm yam ua rau; ob los yog peb ua ke, trending txoj kev tsis ncaj ncees lawm lub lis piam, taw tes squarely ntawm ib tug hnav ntsia hlau thiab chim. Paub meej nrog lub caliper ua ntej koj hloov.
Ib lub taub hau taub hau tsis tshua ua tsis tau tag nrho ib zaug. Qhov kev tshem tawm ntawm cov ntsia hlau thiab lub thoob qhib maj mam, thiab ntev ua ntej txhua yam tawg, qhov sib txawv ntawd tshwm sim raws li cov teeb meem me me ntawm qhov koj ua. Kawm nyeem lawv ntxov thiab koj tuaj yeem npaj kev hloov pauv tsis txhob cuam tshuam rau txoj kab nres.
Ntawm no yog tsib lub cim peb qhia rau cov neeg siv khoom saib xyuas, thiab yuav ua li cas qhia hnav sib nrug ntawm lwm yam uas ua rau tib yam tsos mob.
Yog vim li cas ib tug hnav chim chim ua ntej nws tsis ua hauj lwm
Cov ntsia hlau thiab lub thoob ua haujlwm los ntawm kev tuav lub nrawm nrawm ntawm lawv, feem ntau yog ib feem ntawm ib millimeter. Qhov sib txawv nruj ntawd yog qhov ua rau cov ntsia hlau tsim siab thiab ntsuas qhov kev txhaj tshuaj zoo ib yam.
Raws li cov khoom siv abrasive lossis corrosive hnav cov ntsia hlau ya davhlau thiab lub thoob bore, qhov sib txawv widens. Melt pib swb rov qab los ntawm kev ya davhlau es tsis txhob txav mus rau pem hauv ntej. Tsis muaj dab tsi zoo li tawg, tab sis txhua txoj haujlwm ntawm lub tshuab tau txais me ntsis zoo ib yam. Tsib lub cim hauv qab no yog tag nrho cov qauv ntawm qhov teeb meem hauv qab no: ploj kev tshem tawm.
1. Phom hnyav Drifts
Qhov no feem ntau yog thawj kos npe, thiab feem ntau txhim khu kev qha. Thaum qhov kev tshem tawm qhib, yaj xau rov qab dhau los ntawm cov ntsia hlau taub thiab tsis rov qab valve thaum txhaj tshuaj. Qhov hnyav txhaj tshuaj uas tuav ruaj khov rau xyoo pib mus, thiab qhov chaw uas tau zoo ib yam tam sim no txawv ntawm lub voj voog mus rau lub voj voog.
Ua ntej koj rau txim lub chim, txiav txim tawm lub valve tsis rov qab. Ib lub nplhaib khi khi ua rau tib qhov kev sib tw tua hnyav, thiab nws yog ib qho pheej yig dua. Yog tias lub valve tshiab tsis rov ua kom zoo sib xws, qhov kev tshem tawm nws tus kheej tau qhib.
2. Cov Pob Zeb Dub Yuav Rov Los
Txhua tus molder tau txais qee lub sijhawm dub speck. Lub cim ceeb toom yog thaum lawv rov qab los tom qab kev tshem tawm tag nrho thiab tu.
Hnav tshem tawm tsim cov chaw tuag qhov twg cov zaj duab xis nyias ntawm yaj clings mus rau lub thoob phab ntsa es tsis txhob txav mus rau pem hauv ntej. Cov zaj duab xis zaum kub, degrades, thiab ib ntus tawg mus rau hauv kev txhaj tshuaj raws li ib tug dub speck los yog xim av streak. Ntxuav lub tshuab thiab cov specks ploj mus rau ib teev, tom qab ntawd rov qab los, vim hais tias cov hnav geometry uas cov khoom ntxiab tseem nyob ntawd.
Ntawm PVC qhov no tshwm sim sai dua thiab phem dua, vim tias PVC degraded ob qho tib si discolors thiab corrodes cov hlau nws zaum tawm tsam, uas nthuav qhov clearance ntxiv. Nws dhau los ua ib lub voj.
3. Lub cev muaj zog Load Climbs ntawm tib qhov tso zis
Saib cov tsav tsheb ntawm qhov ceev ceev thiab cov zis. Yog tias nws nce siab ntau lub lis piam uas tsis muaj kev hloov pauv rau cov khoom siv lossis cov txheej txheem, ib yam dab tsi ntxiv rub.
Hnav clearance, me ntsis ntsia hlau misalignment, thiab degraded cov khoom tsim nyob rau hauv lub flights tag nrho cov tsa lub load lub cev muaj zog yuav tsum kov yeej. Ntawm nws tus kheej, nce lub cev muaj zog load yog tsis meej. Ua ke nrog drifting txhaj koob tshuaj tivthaiv hnyav los yog rov qab specks, nws taw tes rau ntawm ib tug hnav ntsia hlau thiab chim.
4. Splay Marks thiab Surface Defects
Splay, nyiaj streaking, thiab dav dav saum npoo haze feem ntau txhais tau tias roj lossis ya raws hauv cov yaj. Thaum koj tau txiav txim siab tawm cov ntaub ntub dej thiab paub tseeb tias koj qhov ziab qhuav ua haujlwm, ib lub thoob hnav yuav yog tus neeg phem.
Ib tug ntsia hlau uas tsis muaj meters huv si tawm qhov tsis sib haum xeeb yaj siab thiab ntxiab roj uas yuav tsum tau ua haujlwm tawm. Qhov tsis xws luag qhia rau ntawm qhov chaw. Yog hais tias tib yam resin siv los pwm huv si thiab tam sim no splays uas tsis muaj txheej txheem hloov, cov ntsia hlau geometry tej zaum yuav drifted tawm ntawm spec.
5. Screw rov qab qeeb
Yog tias lub sijhawm rov qab nkag mus thiab pib noj rau hauv koj lub voj voog, lub hau ntswj yuav tsis xa cov yaj kom zoo li nws tau ua. Hnav ya dav hlau thawb cov khoom tsawg dua rau pem hauv ntej, yog li cov ntsia hlau xav tau ntau lub sijhawm, lossis nrawm dua, txhawm rau them tib qho kev txhaj tshuaj.
Lub sij hawm rov qab me ntsis ntawm nws tus kheej tsuas yog txhais tau tias tus txheej txheem tweak yog vim li cas. Kev nce siab tsis tu ncua ntau lub lis piam, nrog rau ib qho ntawm cov cim saum toj no, yog lub thoob qhia koj tias nws txoj haujlwm tshem tawm tau ploj mus.
Yuav Ua Li Cas Pom Zoo Hnav Nrog Caliper
Tsib lub cim qhia rau koj saib. Kev ntsuas qhia rau koj paub tseeb. Tsis txhob hloov lub thoob ntawm cov tsos mob ib leeg; lees paub cov lej ua ntej.
- Ntsuas cov ntsia hlau ya dav hlau sab nraudnrog lub micrometer ntawm ob peb lub ntsiab lus raws cov ntsia hlau, tshwj xeeb tshaj yog mus rau qhov ntsuas qhov kawg uas hnav concentrates.
- Ntsuas lub chim bore puab diamnrog rau qhov ntsuas qhov ntsuas ntawm qhov sib txuam.
- Xam qhov radial clearanceraws li ib nrab qhov sib txawv ntawm bore ID thiab ntsia hlau OD.
- Muab piv rau tus thawj tsim clearancentawm koj daim duab.
Hnav tsis tshua muaj hnav. Cov ntsia hlau thiab lub thoob hnav feem ntau qhov chaw siab thiab shear ncov, uas feem ntau yog mus rau qhov ntsuas thiab qhov kawg. Ntsuas ntawm ob peb lub ntsiab lus kom koj ntes qhov chaw phem tshaj plaws tsis yog qhov nruab nrab ntawm nws mus. Yog hais tias koj tsis muaj tus thawj tsim clearance, xa peb cov ntsia hlau thiab chim loj thiab peb muaj peev xwm siv tus qauv kam rau ua rau qhov geometry.
Txoj cai ntawm tus ntiv tes xoo:thaum radial clearance mus txog kwv yees li ob mus rau peb npaug ntawm thawj tsim clearance, tso zis thiab yaj zoo feem ntau degraded txaus los mus tsim nyog hloov los yog ib tug rebuild. Qhia tawm tsam koj tus kheej daim duab, vim tias daim duab tseeb nyob ntawm txoj kab uas hla.
Kho lossis Hloov?
Tsis yog txhua lub tsho hnav yuav tsum tau hloov tag nrho. Txoj kev mus twg yog nyob ntawm seb hnav thiab nyob deb npaum li cas.
| Qhov xwm txheej | Txoj kev li qub |
|---|---|
| Screw hnav, chim tseem nyob rau hauv kam rau ua | Rov tsim kho lossis hloov cov ntsia hlau; khaws lub thoob |
| Barrel hnav, ntsia hlau tseem zoo | Re-line los yog hloov lub chim kom rov qab tshem tawm |
| Ob leeg hnav ua ke | Hloov raws li ib tug matched teem rau lub tshuab tag nrho cov kev pab cuam lub neej |
| Tib hnav rov qab sai ntawm cov khoom siv abrasive | Txhim kho cov khoom siv kho mob, tsis yog qhov ntev xwb |
Cov kab kawg ntawd tseem ceeb. Yog hais tias ib lub thoob nitrided hnav tawm sai sai ntawm cov iav ntim los yog cov khoom ntim, hloov nws nrog lwm lub thoob nitrided tsuas yog rov pib dua tib lub countdown. Qhov kho yog qhov nyuaj dua, tsis yog lwm qhov zoo ib yam. Pebbimetallic vs nitrided phau ntawv qhianpog thaum lub upgrade them rau nws tus kheej.
Hnav chim tua koj cov zis? Xa koj cov ntsia hlau thiab lub thoob loj, tshuab qauv, thiab cov khoom koj khiav. Peb ntsuas tiv thaiv kev ua siab ntev thiab hais qhov hloov pauv hauv 12 teev.
Tau txais Daim Ntawv Tso Cai HloovVim Li Cas Ua Haujlwm Nrog Nanhaiya
Nanhaiya tau tsim cov ntsia hlau thiab cov thoob rau ntau tshaj nees nkaum xyoo thiab ua haujlwm rau 500+ cov neeg siv khoom thoob ntiaj teb. Pebtxhaj tshuaj molding screwsyog tsim los ntawm 38CrMoALA alloy hlau, roj-nitrided rau 0.5-0.8-mm txheej ntawm 950-1050 HV, nrog lub neej kev pab cuam ntawm kwv yees li 10,000-20,000 teev ntawm cov qauv resins.
Thaum lub tsho hnav rov qab los rau kev ntsuas, peb phim qhov hloov pauv rau koj qhov xwm txheej tiag tiag, tsis yog qhov qub qhov ntev. Yog tias cov khoom siv abrasive lossis corrosive ua rau lub neej ntawm lub thoob kawg, peb qhia txog kev kho mob hnyav dua lossis corrosion-resistant, txau cov hlau hnyav tag nrho lub voj voog nyob ib ncig ntawm qhov chaw hnav kom coj qhov hnyav rau 62 HRC qhov twg cov khoom xav tau. Rau cov tshuab tsis yog tus qauv, peb cov engineers rov tsim cov duab geometry los ntawm cov duab kos lossis cov qauv.
Xa koj lub tshuab qauv thiab cov ntsia hlau thiab lub thoob loj, thiab koj tau txais ib nqe lus hauv 12 teev.
Cov lus nug nquag
Kuv yuav ua li cas thiaj paub tias kuv lub taub hau ntsia hlau puas raug puas lawm?
Saib rau drifting txhaj tshuaj hnyav, dub specks uas rov qab los tom qab ntxuav, nce lub cev muaj zog load ntawm tib cov zis, splay los yog deg tsis xws luag, thiab qeeb ntsia hlau rov qab. Txhua tus tuaj yeem muaj lwm qhov laj thawj, tab sis ob lossis peb ua ke, trending zuj zus nyob rau lub lis piam, taw tes rau ntawm lub hau thiab lub thoob. Paub meej los ntawm kev ntsuas qhov clearance tiv thaiv tus thawj tsim daim duab.
Dab tsi ua rau kev txhaj tshuaj hnyav ua rau tsis sib haum?
Ob qho laj thawj tseem ceeb: hnav tsis rov qab valve, lossis hnav cov ntsia hlau-rau-thooj tshem tawm cia yaj plam rov qab thaum txhaj tshuaj. Xyuas lub valve ua ntej, vim nws yog qhov pheej yig dua kho. Yog tias lub valve tshiab tsis kho qhov sib xws, qhov kev tshem tawm ntawm lub thoob yuav qhib qhov kev zam dhau los.
Ntau npaum li cas clearance txhais tau hais tias ib tug ntsia hlau chim xav tau hloov?
Raws li txoj cai ntawm tus ntiv tes xoo, thaum radial clearance nce mus txog kwv yees li ob mus rau peb npaug ntawm qhov kev tsim tawm thawj zaug, cov zis thiab yaj zoo tau degraded txaus los hloov kho lossis rov tsim kho. Daim duab qhia tseeb nyob ntawm lub taub hau taub hau, yog li paub meej tiv thaiv koj tus kheej tsim daim duab.
Kuv puas tuaj yeem hloov lub hau ntswj thiab khaws lub chim?
Yog, yog hais tias lub chim tseem ntsuas nyob rau hauv kam rau ua. Hnav feem ntau tsis sib npaug, yog li ntsuas ob qho tib si ua ntej txiav txim siab. Yog hais tias lub hau yog hnav, tab sis lub chim yog zoo, rebuilding los yog hloov cov ntsia hlau ib leeg restores clearance. Yog tias ob qho tib si hnav, hloov lawv raws li qhov sib txuam.
Vim li cas tib lub thoob thiaj li hnav sai sai?
Fast rov hnav feem ntau txhais tau hais tias qhov kev kho saum npoo tsis phim cov khoom siv. Cov iav fiber ntau, cov pob zeb hauv av, thiab cov corrosive resins hnav los ntawm txheej txheem nitrided sai. Hloov nws nrog lwm lub thoob nitrided rov pib dua tib lub sijhawm luv luv; qhov kho yog bimetallic lossis corrosion-resistant nto, tsis yog lwm qhov zoo ib yam.
