Daim ntawv thov thiab kev ceev faj ntawm cov tub ntxhais tua tshuab
Lub tshuab tua tub ntxhais yog cov cuab yeej tseem ceeb siv hauv kev lag luam niaj hnub nrhiav kom tau sai thiab loj - teev cov xuab zeb cores. Nws tau txais cov xuab zeb tseem ceeb nrog qhov ntev thiab lub zog siab los ntawm kev tua cov tub ntxhais xuab zeb ntawm kev kub ceev rau hauv lub thawv tub ntxhais uas muaj cua sov thiab ua rau nws tawv sai heev.
Hauv qab no yog cov ncauj lus kom ntxaws tsom xam ntawm cov kev siv tseem ceeb ntawm cov tub ntxhais tua tshuab thiab kev ceev faj tseem ceeb.
I. Kev siv tseem ceeb ntawm Core Shooting Machine
Lub tshuab tua tub ntxhais feem ntau siv tau rau cov tub ntxhais- ua cov txheej txheem (cov tub ntxhais kub txheej txheem) uas siv cov xuab zeb coated (cov xuab zeb resin). Cov xuab zeb cores tsim los ntawm nws yog siv los tsim cov kab noj hniav hauv cov kab noj hniav, qhov los yog cov qauv zoo sab nraud ntawm cov castings.
1. Cov txheej txheem siv tau
Cov txheej txheem kub tub ntxhais: Qhov no yog qhov zoo tshaj plaws classic thiab thawj daim ntawv thov ntawm cov tub ntxhais tua tshuab. Siv cov xuab zeb coated (quartz xuab zeb nrog ib txheej ntawm phenolic lossis furan resin coated rau saum npoo). Lub thawv tub ntxhais yog rhuab mus rau kwv yees li 200-280℃C. Nyob rau hauv cov nyhuv ntawm tshav kub, cov coated xuab zeb txhaj melts, hla-txuas thiab solidifies nyob rau hauv kaum vib nas this, ua ib tug high-strength xuab zeb core.
Cov txheej txheem tseem ceeb ntawm lub thawv: Lub hauv paus ntsiab lus zoo sib xws, tab sis cov tub ntxhais lub thawv kub qis dua (kwv yees li 150-180 degree), thiab tshwj xeeb furan resin yog siv. Lub curing ceev yog me ntsis qeeb, tab sis qhov zoo ntawm cov xuab zeb core thiab ib puag ncig tus phooj ywg zoo dua.
Cov txheej txheem ntawm lub thawv txias: Txawm hais tias tseem muaj "kev tua" kev ua, nws feem ntau ua tiav los ntawm lub tshuab txias txias lub thawv tua tshuab. Nws ua rau cov resin kho tam sim ntawd los ntawm tshuab amine gas (triethylamine) tom qab sandblasting. Cov cuab yeej siv thiab kev tiv thaiv ib puag ncig yog qhov txawv ntawm cov tub ntxhais kub lub thawv tub ntxhais tua tshuab.
2. Daim ntawv thov kev lag luam thiab cov khoom ntawm cov tub ntxhais tua tshuab
Core shooting tshuab yog tshwj xeeb tshaj yog haum rau zus tau tej cov xuab zeb cores nyob rau hauv loj qhov ntau, nrog high precision thiab complex qauv.
Automobile manufacturing kev lag luam
Cav: Lub tog raj kheej thaiv, lub tog raj kheej taub hau dej lub tsho tub ntxhais, cov roj nkag mus, cov tub ntxhais crankcase. Qhov no yog daim ntawv thov siab tshaj plaws ntawm cov tub ntxhais tua tshuab, nrog rau cov kev xav tau siab heev rau qhov tseeb qhov tseeb thiab qhov chaw tiav ntawm cov xuab zeb core.
Gearbox: Lub puab kab noj hniav xuab zeb tseem ceeb ntawm lub tsev thiab lub cev valve.
Braking system: Nres calipers, nres disc cores.
Cov kav dej kho vajtse thiab cov yeeb nkab fittings
Muaj kev thov loj rau cov kab noj hniav hauv cov xuab zeb cores ntawm ntau yam li qub, cov yeeb nkab fittings thiab cov khoom sib txuas.
Kev tsim kho tshuab thiab ua liaj ua teb machinery
Sand cores rau hydraulic Cheebtsam, twj tso kua mis lub cev thiab casings.
Lwm qhov chaw tsim khoom:
Txhua yam cam khwb cia hlau, cam khwb cia hlau los yog txhuas alloy castings uas yuav tsum tau complex puab kab noj hniav yuav cored los ntawm ib tug tub ntxhais tua tshuab.
3. Core zoo
Kev ua haujlwm siab: Lub sijhawm luv luv (feem ntau yog 20 mus rau 90 vib nas this), muaj peev xwm ua tiav tsis siv neeg txuas ntxiv.
High precision and high surface quality: High injection pressure, dense sand core, precise dimensions, smooth surface, thus achieving fewer burrs in the inner cavity of the casting and accurate dimensions.
High℃ntawm automation: Nws yog ib qho yooj yim mus cuag lub automated kev twb kev txuas ntawm cov txheej txheem tom ntej xws li core sampling, core assembly, dipping txheej, thiab ziab.
Kev siv zog tsawg thiab ib puag ncig zoo dua qub: Piv nrog cov qauv ntawm phau ntawv tseem ceeb- ua, nws muaj qib siab dua ntawm kev siv tshuab thiab kev kaw.
Ii. Kev ceev faj rau kev siv Core Shooters
Kev ua haujlwm ntawm cov tub ntxhais tua tshuab suav nrog kev kub siab, kev kub siab, txav qhov chaw thiab cov tshuaj lom neeg. Nws yog ib qho tsim nyog yuav tsum ua raws li cov txheej txheem nruj me ntsis kom ntseeg tau tias tus kheej muaj kev nyab xeeb, khoom ruaj khov thiab cov khoom zoo.
(1) Kev Tiv Thaiv Kev Nyab Xeeb:
High - tiv thaiv kub
Lub thawv tub ntxhais, cov phaj cua sov thiab cov khoom nyob ib puag ncig yog qhov kub thiab txias (siab tshaj 200 degree). Nws yog nruj me ntsis txwv tsis pub rau ib feem ntawm lub cev los yog flammable tshuaj los mus rau hauv kev sib cuag nrog lawv. Cov cuab yeej siv yuav tsum tau nruab nrog ua tiav cov rwb thaiv tsev tiv thaiv qhov rooj thiab npog.
Ua ntej qhib lub qhov rooj tiv thaiv rau kev tu, tu lossis hloov kho, nws yog ib qho tsim nyog yuav tsum paub meej tias cov cua sov tau raug muab tua thiab tos rau lub sijhawm txaus rau pwm kom txias.
Cov xuab zeb kub uas tau muab tshem tawm yuav tsum tau muab tso rau ntawm cov tais txias txias lossis cov hlua siv los tiv thaiv scalding thiab hluav taws.
High Voltage thiab Mechanical Safety
Thaum lub sij hawm sandblasting, lub siab nyob rau hauv cov roj cia tank thiab pipelines siab heev (feem ntau 0.4-0.7 MPa). Nws yog nruj me ntsis txwv tsis pub disassemble cov pa hauv nruab nrog cev los yog nqa tawm txij nkawm nyob rau hauv siab.
Cov kev ua ntawm cov tub ntxhais tua tshuab xws li pwm kaw, pwm qhib thiab core ejection yog tsav los ntawm hydraulic los yog pneumatic zog, uas yog heev haib. Nco ntsoov tias koj txhais tes nyob deb ntawm qhov chaw kaw pwm thaum cov khoom pib. Ua raws li cov txheej txheem ua haujlwm nruj me ntsis rau ob - tes pib khawm.
Tsis tu ncua xyuas cov hydraulic system, lub tog raj kheej thiab cov kav dej kom tiv thaiv cov roj to lossis cov yeeb nkab tawg.
Kev nyab xeeb hluav taws xob
Lub hauv paus ntawm cov tub ntxhais tua tshuab yuav tsum txhim khu kev qha. Ua ntej kho qhov hluav taws xob, nco ntsoov txiav tawm lub zog hluav taws xob tseem ceeb thiab kaw nws nrog lub cim.
Lub tshuab cua sov muaj lub zog loj, thiab cov khoom siv hluav taws xob thiab cov khoom siv tau yooj yim rau kev laus, yog li yuav tsum tau kuaj xyuas tas li.
Kev nyab xeeb tshuaj thiab plua plav (tshwj xeeb yog cov thawv txias txias):
Lub thawv kub kub: Thaum cov xuab zeb coated yog rhuab, nws yuav tsim cov pa me me uas muaj phenol thiab aldehyde. Yuav tsum muaj cov plua plav uas muaj zog thiab tso pa tawm saum cov khoom siv los coj cov pa khib nyiab mus rau sab nraud lossis mus rau cov cuab yeej kho mob.
Lub thawv txias txias: Cov catalyst siv (xws li triethylamine) yog tshuaj lom, flammable thiab tawg. Cov cuab yeej siv yuav tsum muaj kev sib khi zoo heev thiab yuav tsum tau nruab nrog lub tshuab nqus pa kom zoo (cov khoom siv nruab nrab). Gas leakage tswb yuav tsum tau muab tso rau hauv qhov chaw ua haujlwm.
Lub hauv paus-qhov chaw ua haujlwm yuav tsum zoo- qhov cua thiab cov neeg ua haujlwm yuav tsum hnav lub qhov ncauj qhov ntswg uas tsim nyog.
(2) Kev ceev faj rau kev ua haujlwm thiab cov txheej txheem ntawm cov tub ntxhais tua tshuab
Pwm (tub ntxhais lub thawv) kev npaj thiab tu:
Preheating: Cov pwm tshiab lossis cov uas tsis tau siv ntev ntev yuav tsum tau preheated maj mam thiab kom huv si (feem ntau rau ob peb teev) los tiv thaiv deformation los yog tawg los ntawm qhov kub thiab txias.
Kev ntxuav thiab txau cov pwm tso tawm: Tom qab txhua lub voj voog, cov xuab zeb seem ntawm qhov seem ntawm lub thawv tub ntxhais thiab lub nozzle yuav tsum tau ntxuav nrog rab phom cua. Tsis tu ncua thiab sib npaug ntawm cov pwm tso tawm cov neeg ua haujlwm (xws li silicone roj emulsion) txhawm rau tiv thaiv pwm, tab sis daim ntawv thov ntau dhau yuav cuam tshuam rau qhov zoo thiab qhov loj ntawm cov xuab zeb core.
Kev saib xyuas tsis tu ncua: Txheeb xyuas seb lub pas nrig sab saum toj, cov slider thiab cov kab qhia tau hnav lossis daig, thiab lubricate lawv raws sijhawm. Khaws lub qhov hluav taws xob tsis muaj kev cuam tshuam.
Optimization ntawm sandblasting txheej txheem tsis rau cov tub ntxhais molding tshuab
Sandblasting siab thiab lub sijhawm: Tsis txaus siab tuaj yeem ua rau cov xuab zeb xoob thiab lub zog tsis txaus. Lub siab ntau dhau tuaj yeem ua rau cov pwm puas lossis ua rau "xuab zeb khiav" (xuab zeb ejecting ntawm qhov chaw sib cais). Qhov zoo tshaj plaws tus nqi yuav tsum tau pom raws li cov duab thiab complexity ntawm cov xuab zeb core.
Lub sij hawm thiab qhov kub thiab txias: ob qho tib si kub thiab lub sij hawm sib koom ua ke txiav txim siab qhov℃ntawm kev kho. Lub sijhawm luv luv, cov xuab zeb core yog "underbaked", thiab nws lub zog yog tsawg. Yog hais tias lub sij hawm ntev dhau lawm, cov xuab zeb core yuav overburned, nws nto yuav tig dub thiab nkig, thiab cov efficiency ntau lawm yuav raug txo. Cov txheej txheem zoo tshaj plaws yuav tsum tau txiav txim siab los ntawm kev sim.
Raw khoom tswj
Qhov zoo ntawm cov xuab zeb coated: Qhov loj me me, cov ntsiab lus resin, fluidity thiab melting point ntawm cov xuab zeb yuav tsum ruaj khov thiab ua tau raws li qhov yuav tsum tau ua. Xuab zeb uas tau dhau los ua ntub thiab tawg yuav tsum tsis txhob siv.
Xuab zeb kub: Nws raug nquahu kom preheat cov xuab zeb coated ua ntej siv (xws li mus rau 25-40 degree), uas tuaj yeem txhim kho nws cov fluidity thiab uniformity ntawm curing.
(3) Kev tu thiab tu cov tub ntxhais tua molding tshuab
Kev tshuaj xyuas txhua hnub: Tshawb xyuas cov huab cua qhov siab, qib roj, seb puas muaj cov suab nrov txawv txav los ntawm cov khoom txav, seb lub bolts puas xoob, thiab seb cov khoom siv kev nyab xeeb puas zoo.
Kev saib xyuas tsis tu ncua
Kev hloov lub foob: Lub nplhaib sib khi ntawm cov xuab zeb txhaj tshuaj valve thiab txhua lub tog raj kheej yog qhov tsis zoo thiab yuav tsum tau hloov raws li tau npaj los tiv thaiv huab cua thiab roj to.
Ntxuav thiab lubrication: Ua tib zoo ntxuav cov xuab zeb hauv cov khoom siv thiab siv cov roj lubricating rau cov khoom txav xws li cov lus qhia, cov ntsia hlau, thiab cov kabmob raws li kev cai.
Kev tshuaj xyuas hluav taws xob: Tighten lub davhlau ya nyob twg thaiv thiab xyuas cov xwm txheej ntawm relays, contactors thiab ntsuas kub tswj.
Kev saib xyuas ntawm cov xuab zeb txhaj tshuaj lub taub hau: Cov xuab zeb txhaj tshuaj nozzle yog nquag hnav thiab xuab zeb adhesion, yog li nws yuav tsum tau ntxuav, tshuaj xyuas thiab hloov tsis tu ncua kom ntseeg tau tias cov xuab zeb txhaj tshuaj channel.
Cov ntsiab lus
Core shooting molding tshuab yog cov cuab yeej muaj zog rau kev txhim kho kev ua tau zoo thiab zoo ntawm cov tub ntxhais casting ntau lawm. Txawm li cas los xij, tom qab lawv cov kev ua haujlwm siab yog cov kev ua haujlwm nruj thiab muaj peev xwm txaus ntshai.
Cov ntsiab lus tseem ceeb ntawm daim ntawv thov: tshwj xeeb yog tsim los rau cov txheej txheem kub kub ntawm cov xuab zeb coated, nws tsim nyog rau kev tsim cov xuab zeb nyuaj hauv ntau qhov ntau thiab muaj qhov siab, tshwj xeeb tshaj yog nyob rau hauv siab -kawg teb xws li tsheb cav.
Cov ntsiab lus tseem ceeb uas yuav tsum nco ntsoov: "Kev nyab xeeb" yuav tsum tau muab qhov tseem ceeb tshaj plaws. nruj me ntsis tiv thaiv siab - kub kub, mechanical pinches, siab- raug mob siab thiab tshuaj lom. Thib ob, qhov zoo thiab ruaj khov ntawm cov xuab zeb core yog lav los ntawm kev kho pwm zoo, kev ua kom zoo ntawm cov txheej txheem tsis zoo thiab kev tswj cov khoom siv raw. Thaum kawg, kev ua raws li kev tiv thaiv kev tiv thaiv nruj heev yog tus yuam sij kom ua kom lub sijhawm ntev - lub sijhawm ua haujlwm ruaj khov ntawm cov cuab yeej siv thiab zam kom tsis txhob muaj lub sijhawm poob.