1. Kwano kit ma ki yubu kwede
(1) Manbutterfly valvetye ki dul ma nen calo mugati ma rwate, dul kome ma i iye ki rwate ki 8 ma gicung matek, bur ma malo Φ620 loko ki dul kom ma i iye, ki dul kom mukene nivalveki umu, dul got ni tek me yubu ki yot me loko ne. Gin aryo ni weng ki kwanyo yamo ki lwoko bur ma iye kelo peko madit, ma calo ma ki nyutu i cal 1.
Pek pa cel pa jami ma ki yubu ni pat pat, pek pa cel ma malo romo 380mm, ki pek pa cel ma nok loyo romo 36mm keken. Ka gin ma ki lwongo ni casting ni odoko tek, apoka poka me lyeto ni dit, ki rwom me lyeto ma pe rwate twero kelo rwom me rwom ma piny ki rwom me rwom ma piny, ma obi kelo pii ma mol i kare me temo pii.
2. Yub me tic:
(1) Kabedo ma ki poko iye ki nyutu i cal 1. Ket agiki ki bur i kom bok ma malo, tim got ma opong i dyere, ki medo bor wic ma rwate me konyo keto got ki wot pa got ka ki loko bok ni. Ma ocung matek, bor pa dul kom ma ki lwongo ni cantilever core head pa bur aryo ma pe nen ma tye tung cinge ni bor loyo bor pa bur ni, pi meno rwom me pek pa dul kom ma ki lwongo ni sand core ni tye ma ocung tung bot core head me neno ni sand core ni tye ma ocung matek ki ocung matek.
Kit me pii ma ki umu manok ki tiyo kwede, ∑F iye: ∑F tung acuc: ∑F atir=1:1.5:1.3, gin ma ki lwongo ni sprue ni tiyo ki gin ma ki lwongo ni ceramic tube ma tye ki diameter ma iye Φ120, ki dul aryo me 200×100×40mm ma ki lwongo ni refractory bricks ki keto piny me gengo iron ni pe obale gin ma ki lwongo ni sand mold, a 150×150×40 foam ceramic filter ki keto i te runner, ki 12 ceramic tubes ma tye ki diameter me Φ30 ki tiyo kwede pi inner runner me kubu maber ki piny me casting kun wok ki i tank me gwoko pii ma tye piny me filter me yubu bottom pouring scheme ma ki nyutu i cal 2
(3) Ket 14 ∮20 cavity air holes i upper mold, ket Φ200 sand core vent hole i dye core head, ket cold iron i dul ma pek ki madongo me neno ni jami ma ki yubu ni ocung matek, ki tic ki graphitization expansion principle me juku tic me miyo cam ma ki tiyo kwede me medo rwom me dongo. Dit pa bok ma ki lwongo ni sand box ni tye 3600×3600×1000/600mm, ki ki rubu ki 25mm ma pek pa steel plate me neno ni teko ki tek ma oromo, ma ki nyutu i cal 3.
3. Gwoko kit me tic
(1) Yub: Mapwod pi ki yubu, tii ki Φ50×50mm me temo teko me diyo pa got ma ki lwongo ni resin sand ≥ 3.5MPa, ki diyo cold iron ki runner me neno ni sand mold ni tye ki guvu ma oromo me juku graphite ma ki yubu ka molten iron ni odoko tek, ki gengo iron ki balo gin ma tye ka ngwec pi kare malac me kelo lwoko kweyo.
Kit me yubu: Gin ma ki lwongo ni sand core ni ki poko i dul 8 ma rom ki 8 ma gi medo teko, ma gikubbe ki i dyere. Pe tye jami mukene ma konyo ki kwanyo yamo mapat ki wic ma i dyere. Ka dul kom ma ki lwongo ni sand core ni pe kitwero yubu ki Exhaust, sand core ma ki loko ki yamo ma tye iye obi nen ingee pongo. Pien dit pa ngom ni dit, ki poko ne i dul aboro. Omyera obed ki guvu ma oromo ki tek me neno ni got ma ki lwongo ni sand core ni pe obi balo ingee gonyo mol, ki pe obi balo ingee keto ne. Alokaloka time, me neno ni pek pa cel ma ki yubu ni rom. Pi tyen lok eni, wa yubu cogo ma pire tek, ki wa tweyo i kom cogo ki tol me kwanyo yamo ma aa ki i wi cogo me neno ni jami ma ki yubu ki kweyo ni bedo ma rwate ka wa tye ka yubu cogo ni. Kit ma ki nyutu kwede i cal me 4.
(4) Bok me cego: Ka kiporo ki tek me lwoko kweyo ma tye i kin dul ma ki lwongo ni butterfly valve, kweyo ducu ki rangi ki rangi aryo, rangi mukwongo ki buru ki rangi ma ki lwongo ni alcohol-based zirconium paint (Baume degree 45-55), ki rangi mukwongo ki keto ki wango. Iyonge juku, rangi dul me aryo ni ki rangi ma ki lwongo ni alcohol-based magnesium paint (Baume degree 35-45) me gengo gin ma ki keto ni me mako i kom kweyo ki buru, ma pe kitwero lwoko. Dul ma i wic ni ki keto i kom Φ200 paip ma ki yubu ki nyonyo ma ki lwongo ni core bone ki M25 screws adek, ma ki keto ki ki juku ki upper mold sand box ki screw caps ki ki neno ka ce pek pa cel pa dul acel acel rom.
4. Kit me lwoko ki keto
(1) Tii ki Benxi low-P, S, Ti maber Q14/16# pig iron, ki med iye i ratio me 40%~60%; jami ma ki lwongo ni trace elements calo P, S, Ti, Cr, Pb, ki mukene ki gwoko gi maber i kom nyonyo ma ki tiyo kwede, ki pe ki yee ki buru ki moo, wel ma ki medo ni tye 25%~40%; gin ma ki dwoko cen omyera ki lwoko ki wango ma peya ki tiyo kwede me neno ni gin ni tye maleng.
(2) Gin ma pire tek ma ki tiyo kwede i nge furnace: C: 3.5-3.65%, Si: 2.2%-2.45%, Mn: 0.25%-0.35%, P≤0.05%, S: ≤0.01%, Mg (residual): 0.035% ~0.05%, i te dul ma ki lwongo ni premis, the supherization, the supherization, the sunring rwom ma piny pa Mg (ma odong) omyera ki kwany ma romo.
(3) Kit me keto yat ma ki lwongo ni Spheroidization: low-magnesium ki low-rare-earth spheroidizers ki tiyo kwede, ki rwom me medo ne tye 1.0%~1.2%. Kit me tic ki yat ma ki lwongo ni spheroidization, 0.15% me yat ma ki keto i kom dano acel acel ki umo i kom gin ma ki lwongo ni nodulizer ma tye piny i kom gin ni, ki spheroidization ni otum. Gin ma ki lwongo ni slag ni ki poko ne pi keto 0.35%, ki keto 0.15% i kare me keto ne.
(5) Ki tiyo ki yoo me keto piny oyotoyot i rwom ma piny, rwom me lyeto tye 1320°C~1340°C, ki kare me keto tye 70~80s. Gin ma ki lwongo ni molten iron ni pe kitwero turo ne i kare me keto ne, ki sprue cup ni kare weny tye ma opong me gengo yamo ki jami ma tye iye me donyo i mol ni ki i runner. bur.
5. Adwogi me temo
(1) Tem teko pa gin ma ki lwongo ni cast test block: 485MPa, elongation: 15%, Brinell hardness HB187.
(2) Kit ma spheroidization tye kwede tye 95%, dit pa graphite tye rwom me 6, ki pearlite tye 35%. Kit ma ki yubu kwede jami ma ki lwongo ni metallographic ni ki nyutu i cal 5.
(3) Pe ki nongo peko mo ma ki twero coyo i UT ki MT ma ki nongo i kom jami ma pire tek.
(4) Kit ma nen kwede tye atir ki pwot (nen cal 6), labongo peko mo ma calo got ma ki keto iye, got ma ki keto iye, ki jami ma ki keto iye, ki mukene, pek pa cel tye marom, ki dit ne rwate ki gin ma ki goyo.
(6) 20kg/cm2 hydraulic pressure test ingee tic kwede pe onyutu ka mol mo kiken
6. Lacen
Malube ki kit ma dul kom ma ki lwongo ni butterfly valve ni tye kwede, peko me bedo ma pe ocung matek ki ma yot me loko dul kom madit ma tye i dyere ki bedo tek me lwoko dul kom ni ki cobo ne ki keto cwiny i kom yub me tic, yubu ki yubu dul kom ni ki tic ki zirconium-based coatings. Kit ma ki keto kwede bur ma yamo kato ki iye gengo twero me bedo ki bur ma tye i casting. Cake i kom gin ma ki lwongo ni furnace charge control ki runner system, gin ma ki lwongo ni foam ceramic filter screen ki ceramic ingate technology ki tiyo kwede me neno ni jami ma ki lwongo ni molten iron ni tye maleng. Iyonge tic ki yat mapol, kit ma ki yubu kwede jami ma ki yubu ki jami ma pat pat. Tic maber ni oo i rwom ma luwil mito
KiTianjin Tanggu Water-seal valve Co.,ltd. Butterfly valve, gin ma ki lwongo ni gate valve, Y-strainer, wafer dual plate check valveyubu.
Cawa me cwalo: Apr-29-2023
