Hauv lub tog raj kheej hydraulic,cev hodtsis yog ib lub tswv yim yuav tsum machined - nwsyoglub cev. Lub honed bore, tiav rau ISO H8 thiab Ra 0.2-0.4 µm nrog 30-45℃cross-hatch, yog qhov saum npoo ntawm lub piston seals khiav rau lub neej ntawm lub tog raj kheej, thiab tib phab ntsa muaj lub siab ua haujlwm. GNEE khoom siv honed tube chim Tshuag hauv ID 32-500 mm (1.5 "-24"), phab ntsa 4-50 mm, ntev txog 12 m, hauv ST52 /E355thiab qib siab dua - ib lub bore tiav uas lees txais piston thiab cov ntsaws ruaj ruaj uas tsis muaj kev siv tshuab ntxiv.
Txhua qhov ntawm lub tog raj kheej hydraulic pib ua raw khoom thiab tau txais feem ntau ntawm nws cov nqi ntxiv rau hauv lub tog raj kheej cog: rods tig, hauv av thiab chromed, lub kaus mom yog machined, qog yog threaded. Lub honed tube yog qhov kev zam. Thaum lub sij hawm nws tawm ntawm lub raj zeb, nws qhov chaw tseem ceeb - lub bore - twb tiav rau qhov kam rau ua thiab kev ntxhib los mos cov seals yuav tsum tau. Qhov tseeb ib leeg qhia seb lub raj tau teev tseg li cas, nws ua haujlwm li cas hauv kev tsim, thiab lub tog raj kheej coj li cas hauv kev pabcuam.
Nplooj ntawv no yog hais txog daim ntawv thov no: dab tsi lub honed tube ua nyob rau hauv lub tog raj kheej, uas ntawm nws cov khoom lub tog raj kheej tso siab rau, yuav ua li cas nws mus los ntawm kev xa mus rau lub thoob ua hauj lwm, thiab yuav ua li cas los xyuas thaum nws tuaj txog.
Qhov Honed Tube Ua li cas hauv lub tog raj kheej Hydraulic
Lub raj nqa peb lub luag haujlwm ib zaug, thiab txhua daim ntawv qhia rau cov cuab yeej ntawm honed bore lossis phab ntsa tom qab nws:
Siab ciam teb.Lub thoob phab ntsa muaj cov roj ua haujlwm. Phab ntsa thickness, yield zog thiab tus me nyuam tej yam kev mob txiav txim siab lub raj yuav tuav tau - thiab nws tuav nws zoo npaum li cas thaum ua li ntawd.
Seal khiav nto.Piston ntsaws ruaj ruaj, O-rings thiab hnav bands swb tawm tsam lub bore ntawm txhua qhov mob stroke. Kev ua siab ntev, roughness thiab tus ntoo khaub lig-hatch texture txiav txim siab kev sib txhuam, xau thiab foob lub neej.
Kev taw qhia geometry.Ncaj thiab roundness ua kom lub piston nyob nruab nrab ntawm tag nrho cov hlab ntsha. Ib tug bore uas tapers los yog hneev loads cov ntsaws ruaj ruaj unevenly thiab hnav lawv thaum ntxov.
Tsis muaj lwm yam khoom hauv lub tog raj kheej concentrates qhov kev ua haujlwm ntau hauv ib qho chaw muab khoom - uas yog vim li cas lub tog raj kheej tsim kho lub honed bore raws li qhov kev siv ntawm tag nrho lub tshuab.
Yog vim li cas lub tog raj kheej xav tau ib tug Honed Bore
Lub raj txias uas tsis muaj seamless li - dov los yog raws li - kos muaj ib tug bore ntawm Ra 1.6–3.2 µm thiab ib tug dimension kam rau ua nyob deb deb tshaj li tej lub kaw lus kaw cia. Fitting seals ncaj qha mus rau hauv lub bore txhais tau hais tias to ntawm lub seal di ncauj, tawg - nyob rau hauv hnav raws li lub foob txhuam cov kos duab kos, thiab piston rub los ntawm ib tug off- txoj kab uas hla. Honing tshem tawm tag nrho cov teeb meem hauv ib qho kev ua haujlwm thib ob ntawm lub zeb:
Dimensional haum.Lub bore yog coj mus rau ISO H8 (H9 xaiv tau) - piv txwv li +0.046/0 hli ntawm 50-80 mm bore - yog li catalog piston sib dhos thiab cov pob foob swb nrog kev cuam tshuam thiab tshem tawm lawv tau tsim nyob ib puag ncig.
Nto kev ntxhib los mos.Ra 0.2–0.4 µm yog qhov band uas nitrile thiab polyurethane seals khiav zoo tshaj plaws. Qhov tseem ceeb, cov pob zeb honing tawm ntawm tus ntoo khaub lig-hatch qauv ntawm lub kaum sab xis 30-45 degree: cov grooves ntiav khaws cov roj lubricating ntawm lub foob thiab phab ntsa, muab cov kua dej- zaj duab xis lubrication hla ntau lab strokes. Daim iav - du bore hauv qab no txog Ra 0.1 µm tsis tuaj yeem tuav cov zaj duab xis - kev sib txhuam thaum tshav kub kub nce thiab foob hnav nrawm, cov chaw tsim khoom lag luam xws li Hallite thiab Trelleborg tau sau tseg. "Smoother" tsis yog lub hom phiaj; tus ntoo khaub lig-hatch yog.
Geometry.Honing yog ib tug tsawg- quab yuam txiav cov txheej txheem, yog li nws kho cov niam raj lub taper, ovality thiab waviness es tsis luam lawv - vim li cas kho thiab re- honed chim ua zoo li cov tshiab.
Qhov tsim nyog rau cov neeg tsim lub tog raj kheej: tsis muaj tho txawv, tsis muaj reaming, tsis honing hauv - tsev. Lub thoob mus los ntawm warehouse rau welding fixture.
Hom Lub tog raj kheej ua rau ntawm Honed Tube
Tib qhov kev pab cuam tube ua haujlwm rau txhua qhov kev tsim kho lub tog raj kheej loj, nrog rau qhov bore thiab qib xaiv rau lub luag haujlwm:
| Hom Lub tog raj kheej | Hom honed bore | Qib kawm | Lub raj muaj dab tsi |
|---|---|---|---|
| Muaj khi- pas nrig thiab zeb- hom thooj voos kheej kheej | 50-200 hli, H8 | ST52.3 / E355 (+SR) | Standard bore series yog li cov ntsaws ruaj ruaj thiab pistons yog cov khoom catalog |
| Welded mobile thooj voos kheej kheej (excavators, loaders, forklifts) | 40-250 hli, H8 | ST52 / E355; E470 rau nyias - phab ntsa | Weldable chim uas tuav nws bore los ntawm lub hau thiab chaw nres nkoj vuam |
| Telescopic cylinders (cov tsheb thauj khoom pov tseg, cranes) | Multi-theem, 60–320 mm | Qauv: ST52 / E355 | Ncaj nraim hla qhov ntev; zoo ib yam bore ntawm theem |
| Hydraulic presses thiab txhaj tshuaj molding | 100-500 hli, H8 | E355/27SiMn | Lub peev xwm siab siab nrog geometry ruaj khov hauv kev caij tsheb kauj vab |
| Mining ru tsev txhawb nqa | 80-320 hli | 27 SiMn (Q+T) | High yield nrog toughness ntawm ≈31.5 MPa-chav ua hauj lwm siab |
| Pneumatic actuators | 20-100 mm, Ra Tsawg dua lossis sib npaug li 0.4 µm | E355 / stainless hlau | Tsawg, ruaj khov kev sib txhuam rau ntau lab lub voj voog |
| Kho thiab remanufacturing chim | Txiav kom ntev rau ib txoj haujlwm | ST52, E355, 27SiMn, SAE 1020 | Ib lub bore tiav uas kho lub tog raj kheej yam tsis muaj nyob hauv -Honing |
Tube Properties lub tog raj kheej Relies On
Rub ib daim ntawv pov thawj honed tube thiab cov no yog cov kab uas lub tog raj kheej tsim tau nyeem:
| Khoom | Txheem tus nqi | Vim li cas lub tog raj kheej xav tau |
|---|---|---|
| Ua siab ntev | ISO H8 (H9 yeem), ID 32-500 mm | Kev sib dhos ncaj qha ntawm catalog seals thiab pistons |
| Nto roughness | 0.2-0.4 hli | Kev sib txhuam kev sib txhuam, kev tswj cov dej xau, kev tuav cov yeeb yaj kiab |
| Hla -hatch angle | 30-45 degree | Lubricant tuav ntawm strokes |
| Kev ncaj | Tsawg dua los yog sib npaug li 0.5 mm / m | Txawm foob loading tshaj tag nrho stroke |
| Phab ntsa thickness | 4-50 mm, loj rau siab ntawm 4: 1 tsim yam | Siab ciam teb; txwv elastic ovality |
| Yield zog | Ntau dua lossis sib npaug ntawm 355 MPa (ST52 / E355); ≈470 MPa-chav kawm (E470, 27SiMn) | Nyias- phab ntsa siab muaj peev xwm; weldability |
| Kev xa khoom | BK, BK+S / +SR, NBK | Dimensional stability los ntawm vuam |
| Ntev | Txog li 12 m, txiav - mus rau - ntev muaj | Barrels ua rau mob stroke tsis muaj pob qij txha |
Ob ntawm cov no tsim nyog hais txog vim tias lawv yog cov feem ntau xaj yuam kev.Kev xa khoom: honed raj nyob rau hauv dawb BK nqa residual kev nyuaj siab los ntawm txias kos duab; Thaum lub tog raj kheej cog welds kawg lub kaus mom thiab chaw nres nkoj tus thawj coj, qhov kev ntxhov siab tso tawm thiab lub bore bows. BK + S / + SR (kev nyuaj siab-relieved) raj yog tus qauv xaiv qhov twg lub chim yuav welded.Phab ntsa thickness: nws yuav tsum raug xaiv rau lub siab ncov tiag tiag nrog rau kev poob siab, tsis yog qhov ntsuas kev nyeem ntawv nkaus xwb - ib lub thoob uas mus oval nyob rau hauv siab cycling poob lub foob hu rau honed bore tau muab rau.
Los ntawm Kev Xa Tube mus rau Lub Tshuab Ua Haujlwm
Nruab nrab ntawm lub raj zeb thiab lub tog raj kheej tiav, lub honed bore hla dhau plaub theem, thiab lub raj lub specification yog tsim los ntawm txhua qhov:
Txiav.Lub raj yog sawn rau lub thoob ntev - los ntawm tus neeg muag khoom (txiav- mus rau -ntev nrog qhov kawg chamfering thiab deburring) los yog hauv lub tog raj kheej khw. Xaus squareness teeb meem qhov twg lub hau weld tsaws ntawm lub ntsej muag txiav.
Vuam.Cov kaus mom kawg yog koom nrog submerged arc lossis robotic MIG; chaw nres nkoj cov thawj coj yog welded nrog tswj, tsis tshua muaj cua sov input - kub heev ntawm tus thawj coj yuav distort lub bore hauv zos mus rau hauv ib tug hourglass zoo uas jams lub piston ib nrab -stroke. Kev ntxhov siab-relieved raj (+SR / BK+S) tiv thaiv ob qho tib si distortion hom.
Machining nyiaj pab.Ports, mounting nta thiab caj pas threads yog machined rau hauv OD thiab xaus. Lub bore yeej tsis kov dua - uas yog lub ntsiab lus ntawm kev yuav nws honed.
Kev sib dhos thiab pov thawj.Piston, ntsaws ruaj ruaj thiab caj pas mus rau hauv; Lub tog raj kheej tiav yog kuaj hydrostatically, feem ntau ntawm 1.5 × ua haujlwm siab. Qhov kev sim ua pov thawj lub tog raj kheej; daim ntawv pov thawj tube ua pov thawj qhov bore nws muaj.
Qhov zoo ntawm lub tog raj kheej tsim khoom thiab kev pabcuam
Secondary machining tshem tawm.tho txawv thiab honing nyob rau hauv -lub tsev ntawm ib tug 200 mm bore txhais tau tias hnyav tshuab lub sij hawm ib chim; kev yuav nws tiav tshem tawm cov haujlwm ntawd thiab nws qhov kev pheej hmoo tag nrho.
Foob compatibility los ntawm lub neej ntawd.Txhua lub thoob yog nyob rau hauv lub siab ntev thiab roughness band lub foob catalogs xav tias - tsis muaj rau - chim haum los yog xaiv los ua ke.
Kev sib koom ua ke.H8 thoob plaws ntau lawm txhais tau hais tias chim-rau- chim hloov pauv, uas yog qhov ua rau cov kab cylinder khiav tsis tau ntsuas txhua qhov bore rau hauv cov khoom sib txuam.
Kev kho.Cov khw muag khoom cov khoom siv honed tube hauv cov qib sib xyaw (ST52, E355, 27SiMn, SAE 1020) thiab tsim cov khoom siv hloov pauv tiv thaiv lub tog raj kheej hnav los ntawm txhua yam khoom siv.
Leverage -lub sij hawm leverage.Txiav- mus rau- ntev honed raj hloov lub thoob cov khoom siv los ntawm kev ua haujlwm machining mus rau hauv kev yuav khoom kab, ua kom luv lub tog raj kheej tsim lub sijhawm.
Yuav Ua Li Cas Thaum Lub Tube tuaj txog
Vim tias cov khoom tiav lawm, kev tshuaj xyuas tuaj yog ceev tab sis tsim nyog ua tsis tu ncua: ntsuas lub bore ntawm ob peb lub ntsiab lus raws thiab ib ncig ntawm lub raj (H8 yuav tsum tuav txhua qhov chaw, tsis yog nruab nrab -ntev); tshawb xyuas qhov chaw nyeem Ra 0.2–0.4 µm nrog qhov pom, sib xws cross-hatch; pom lub bore rau ncaj; paub meej tias phab ntsa thiab OD tiv thaiv qhov kev txiav txim; tshuaj xyuas qhov xeb lossis kev puas tsuaj rau lub qhov bore; thiab rov kho daim ntawv pov thawj kub tooj nrog cov khoom xa tuaj.
Yuav Qhia Li Cas Koj Honed Tube Order
Chav Kawm ID thiab kam rau ua (H8 tus qauv, H9 xaiv tau)
OD thiab phab ntsa, lossis kev ua haujlwm siab thiab tsim qauv kom peb tuaj yeem tawm tswv yim rau lawv
Qib: ST52 / E355 raws li tus qauv; E470 lossis 27SiMn rau lub luag haujlwm siab; stainless hlau rau kev pabcuam corrosive
Kev xa khoom: xeev + SR / BK + S thaum twg lub thoob yuav raug welded
Nto: honed Ra 0.2–0.4 µm (SRB tiav siv tau rau cov bores loj - saib nplooj ntawv sib piv)
Length: Tshuag, tsau, lossis txiav-kom-ua tiav-length nrog kam rau ua
Kev npaj kawg: tiaj square-txiav, chamfered, lossis machined los kos duab
Daim ntawv pov thawj: EN 10204 3.1 nrog cov ntawv qhia txog qhov loj thiab qhov ntxhib
Qhov ntau thiab qhov chaw nres nkoj
Kev kuaj thiab tshuaj xyuas
Thov ib daim Quote rau lub tog raj kheej Barrel Tshuag
Xa peb tus ID bore thiab kam rau ua, phab ntsa lossis kev ua haujlwm siab, qib thiab kev xa khoom, thiab qhov ntev yuav tsum tau ua. Peb muab honed tube chim stock nyob rau hauv ID 32–500 mm, H8, Ra 0.2–0.4 µm, nrog EN 10204 3.1 ntawv pov thawj thiab txiav- mus rau -ntev kev pab cuam:sales@gneetube.com.
FAQ
Vim li cas lub tog raj kheej hydraulic xav tau lub honed bore?
Vim tias cov piston seals khiav ncaj qha rau ntawm lub raj sab hauv rau lub neej ntawm lub tog raj kheej. Lub honed bore ntawm ISO H8 thiab Ra 0.2–0.4 µm muab lub foob qhov muaj qhov tseeb, qis - kev sib txhuam khiav nto nrog 30-45℃cross-hatch uas khaws cov roj lubricating - raws li - kos bore ntawm Ra 1.6–3.2 µm tsis tuaj yeem muab
Lub honed tube ua dab tsi hauv lub tog raj kheej?
Nws yog lub tog raj kheej lub tog raj kheej: lub siab ciam teb uas muaj cov roj ua haujlwm, qhov chaw khiav ntawm lub piston thiab nws cov ntsaws ruaj ruaj mus rau, thiab cov lus qhia geometry uas ua kom lub piston nyob rau hauv tag nrho cov hlab ntsha. Tag nrho peb txoj haujlwm yog xa los ntawm lub raj nws tus kheej, yam tsis muaj kev ua haujlwm ntxiv ntawm lub bore.
Puas yog lub bore smoother ib txwm zoo dua rau kev foob lub neej?
Tsis yog. Hauv qab no txog Ra 0.1 µm qhov saum npoo tsis tuaj yeem khaws cov roj nplaum zaj duab xis, yog li kev sib txhuam thaum tshav kub kub thiab foob hnav tuaj. Tus ntoo khaub lig- hatched honed tiav ntawm Ra 0.2–0.4 µm yog qhov cov ntsaws ruaj ruaj xav tau; iav tiav yog ib qho kev xav tsis zoo, tsis yog qhov tshwj xeeb.
Honed raj puas siv tau rau pneumatic thooj voos kheej kheej thiab?
Yog lawm. Pneumatic cylinders siv tib lub honed tsim ntawm me me bores, feem ntau 20-100 mm, tiav rau Ra 0.4 µm los yog finer, thiab nyob ib ncig ntawm 1 MPa (10 bar). Qhov qis, ruaj khov kev sib txhuam ntawm lub honed bore yog dab tsi tso cai rau ntau lab tus mob stroke cycles pneumatic actuators tau teev tseg rau.
Yuav ua li cas tshwm sim rau lub honed bore thaum kawg lub kaus mom thiab cov chaw nres nkoj yog welded?
Yog tias qhov seem ntawm qhov kev ntxhov siab thiab cov cua kub tsis tswj tau, lub bore tuaj yeem tawm ntawm qhov ncaj los yog distort hauv zos. Kev qhia tshwj xeeb honed tube nyob rau hauv qhov kev ntxhov siab -txoj kev mob (BK + S nyob rau hauv DIN 2391, + SR nyob rau hauv EN 10305-1) thiab siv kev tswj cua sov input ntawm chaw nres nkoj tus thawj tswj tuav lub bore nyob rau hauv nws straightness kam rau ua los ntawm fabrication.
Cov qib twg yog siv rau honed lub tog raj kheej raj?
ST52.3 (DIN 2391) thiab E355 (EN 10305-1), ob qho tib si nrog cov txiaj ntsig tsawg kawg ntawm 355 MPa, yog cov qib siab thoob ntiaj teb. Siab dua -cov kav dej siv E470 lossis 27SiMn, cov kav dej ua haujlwm siv CK45, thiab cov raj xa dej hauv hiav txwv lossis cov thooj voos kheej kheej siv honed 304/316 stainless. Txhua yam yog honed rau tib H8 kam rau ua.
Lub tog raj kheej hnav puas tuaj yeem kho nrog honed raj?
Yog, thiab qhov no yog ib qho ntawm honed tube daim ntawv thov tseem ceeb. Kho cov khw txiav honed tube kom ntev thiab txuas nws mus rau hauv kev hloov cov thoob rau mining shovels, tsis kam tsheb thiab kev lag luam presses. Honing kuj yog ib qho qis - quab yuam txiav cov txheej txheem uas kho cov duab geometry, uas yog vim li cas re-honing hnav cov thoob yog qhov ua tau zoo uas cov menyuam kub hnyiab tsis yog.
Cov ntaub ntawv dab tsi tuaj nrog honed tube xa khoom?
Cov txheej txheem pob yog EN 10204 3.1 daim ntawv pov thawj zeb traceable rau cov xov tooj cua sov, ntxiv rau daim ntawv qhia qhov ntev (dhau ntsuas ntawm ntau lub ntsiab lus, phab ntsa, ncaj) thiab qhov chaw roughness nyeem ntawv rau cov bore tiav. Thib peb-kev soj ntsuam tog (SGS, BV, TÜV) tuaj yeem npaj tau raws li kev thov.
Xaus
Honed tube khwv tau nws qhov chaw nyob rau hauv lub tog raj kheej hydraulic vim nws tuaj txog raws li lub thoob tiav: ib tug bore ntawm H8 thiab Ra 0.2-0.4 µm nrog rau 30-45℃cross-hatch lub seals xav tau, ncaj uas ua rau lawv loaded tusyees, ib phab ntsa uas tuav lub siab yam tsis mus oval, thiab ib tug me nyuam txoj kev nyob rau hauv lub welder cov nroj tsuag yuav tsum muaj sia nyob. Qhia meej cov khoom tiv thaiv lub tog raj kheej lub luag haujlwm - tsis yog nws cov ntawv teev cia siab - thiab cov bore uas tawm ntawm lub raj zeb tseem yog cov bore uas khiav hauv kev pabcuam xyoo tom qab.