General Technical Requirements
1. Descaling ntawm qhov chaw.
2. Nyob rau hauv lub machined nto ntawm cov khoom, yuav tsum tsis muaj khawb, abrasions thiab lwm yam tsis xws luag uas ua rau lub nto ntawm qhov chaw.
3. Tshem tawm burrs thiab nyem.
kev kho cua sov yuav tsum
1. Tom qab quenching thiab tempering kho, HRC50-55.
2. Cov khoom yog raug rau high-frequency quenching, tempering ntawm 350-370 degree , HRC40-45.
3. Carburizing qhov tob 0.3mm.
4. Ua kom kub kub kev laus kev kho mob.
Kev kam rau siab
1. Unmarked zoo tolerances yuav tsum tau raws li qhov yuav tsum tau ntawm GB1184-80.
2. Qhov tso cai sib txawv ntawm qhov tsis muaj qhov ntev yog ±0.5mm.
3. Lub casting kam rau ua tsam yog symmetrical rau qhov yooj yim dimension configuration ntawm ntxhib casting.
Ntu ntug thiab kaum
1. Fillet radius R5 tsis tau teev tseg.
2. Tag nrho cov chamfers tsis cim yog 2 × 45 degree .
3. Nthuav cov ces kaum / ntse ces kaum / ntse npoo blunt.
Cov kev cai sib dhos
1. Txhua lub foob yuav tsum saturated nrog roj ua ntej sib dhos.
2. Kev sib dhos yob bearings tau tso cai kom sov los ntawm cov roj cav rau thermal los ua ke, thiab qhov kub ntawm cov roj yuav tsum tsis pub tshaj 100 degree.
3. Tom qab cov iav tau sib sau ua ke, cov chaw sib cuag thiab rov qab ntawm cov hniav nto yuav tsum ua tau raws li qhov yuav tsum tau ua ntawm GB10095 thiab GB11365.
4. Kev ntim khoom ntim lossis sealant raug tso cai thaum sib sau ua ke hydraulic system, tab sis yuav tsum tau tiv thaiv kom tsis txhob nkag mus rau hauv qhov system.
5. Cov khoom thiab cov khoom siv nkag mus rau hauv kev sib dhos (nrog rau cov khoom yuav khoom thiab cov khoom siv sab nraud) yuav tsum muaj daim ntawv pov thawj ntawm kev ua raws li lub chaw soj ntsuam ua ntej lawv tuaj yeem sib sau ua ke.
6. Cov khoom yuav tsum tau ntxuav thiab ntxuav ua ntej sib dhos tsis muaj burrs, flashes, nplai, xeb, chips, roj stains, colorants thiab plua plav, thiab lwm yam.
7. Ua ntej sib dhos, lub ntsiab sib txuam qhov ntev ntawm cov khoom thiab cov khoom siv, tshwj xeeb tshaj yog qhov cuam tshuam haum qhov ntev thiab qhov muaj feem cuam tshuam, yuav tsum tau kuaj xyuas dua.
8. Cov khoom tsis raug tso cai kom raug tsoo, tsoo, khawb lossis corroded thaum lub sij hawm sib dhos.
9. Thaum zawm screws, bolts thiab ceev, nws yog nruj me ntsis txwv tsis pub mus ntaus los yog siv cov ntsia hlau tsis haum thiab wrenches. Tom qab zawm, cov ntsia hlau qhov, ceev thiab cov ntsia hlau, thiab lub taub hau ntawm lub ntsia liaj qhov rooj yuav tsum tsis txhob puas.
10. Rau cov fasteners uas tau teev nruj torque yuav tsum, yuav tsum tau siv ib tug torque ciaj ntswj thiab zawm raws li qhov teev nruj torque.
11. Thaum tib qhov txuas nrog ntau cov ntsia hlau (bolts), txhua tus ntsia hlau (bolt) yuav tsum tau nruj nruj crosswise, symmetrically, step-by-step, thiab sib npaug.
12. Thaum tus pin taper tau sib sau ua ke, nws yuav tsum tau pleev xim rau hauv lub qhov, thiab nws qhov kev sib cuag yuav tsum tsis pub tsawg dua 60 feem pua ntawm cov mating ntev, thiab nws yuav tsum tau muab sib npaug.
13. Lub tiaj tus yuam sij yuav tsum nyob rau hauv ib qho kev sib cuag nrog ob sab ntawm txoj kev tseem ceeb ntawm tus ncej, thiab yuav tsum tsis txhob muaj qhov sib txawv ntawm qhov mating nto.
14. Tus naj npawb ntawm cov hniav uas cov spline sib txuas sib txuas rau tib lub sijhawm yuav tsum tsis txhob tsawg dua 2/3, thiab tus nqi sib cuag yuav tsum tsis pub tsawg dua 50 feem pua ntawm qhov ntev thiab qhov siab ntawm cov hniav spline.
15. Tom qab lub tiaj tus yuam sij (los yog spline) ntawm zawv zawg haum yog sib sau ua ke, cov khoom sib txuam tuaj yeem txav tau yooj yim, thiab yuav tsum tsis muaj qhov tsis sib xws.
16. Tom qab kev sib txuas, cov nplaum nplaum uas ntws tawm yuav tsum tau muab tshem tawm.
17. Lub nplhaib sab nraud ntawm cov kabmob thiab lub qhov semicircular ntawm cov kabmob qhib lub tsev thiab cov kabmob npog tsis raug tso cai rau daig.
18. Lub nplhaib sab nraud ntawm cov kabmob yuav tsum nyob rau hauv kev sib raug zoo nrog lub semicircular qhov ntawm lub rooj zaum qhib thiab cov kabmob npog. Thaum kuaj nrog cov xim, nws yuav tsum nyob rau hauv thaj tsam ntawm 120 degree symmetrical mus rau qhov chaw nruab nrab ntawm lub rooj zaum bearing thiab 90 degree symmetrical rau qhov nruab nrab ntawm cov kabmob npog. Txawm hu. Thaum kuaj nrog lub ntsuas ntsuas qhov ntsuas ntawm qhov ntsuas saum toj no, 0.03mm qhov ntsuas qhov ntsuas yuav tsum tsis txhob muab tso rau hauv 1/3 ntawm qhov dav ntawm lub nplhaib sab nraud.
19. Tom qab sib dhos, lub nplhaib sab nraud ntawm cov kabmob yuav tsum nyob rau hauv kev sib cuag nrog qhov kawg ntawm lub hau bearing ntawm qhov chaw kawg.
20. Tom qab lub dov bearing yog ntsia, nws yuav tsum tig flexibly thiab smoothly ntawm tes.
21. Qhov sib koom ua ke ntawm cov kabmob sab saud thiab qis qis yuav tsum tau txuas nrog zoo, thiab tsis tuaj yeem kuaj xyuas nrog lub ntsuas ntsuas 0.05mm.
22. Thaum siv cov pins positioning los kho cov kabmob bush, drilling, reaming thiab pin tis yuav tsum tau ua raws li qhov kev sib koom ua ke ntawm qhov sib koom ua ke thiab qhov kawg ntawm qhov dej ntws tawm nrog lub qhov qhib thiab kaw thiab qhov kawg ntawm qhov cuam tshuam cov kabmob. Tsis txhob loosen tom qab tus pin tau tsav hauv.
23. Lub cev kabmob ntawm cov kabmob kheej kheej yuav tsum nyob rau hauv kev sib cuag nrog lub rooj zaum bearing, thiab kev sib cuag yuav tsum tsis pub tsawg dua 70 feem pua los ntawm kev siv xim.
24. Alloy bearing bushings tsis raug tso cai siv thaum lub ntsej muag daj, thiab tsis muaj nucleation raug tso cai nyob rau hauv qhov kev sib cuag lub kaum sab xis, thiab thaj tsam ntawm nuclei sab nraud lub kaum sab xis yuav tsum tsis pub tshaj 10 feem pua ntawm tag nrho cov cheeb tsam ntawm qhov tsis- thaj chaw tiv tauj.
25. Kev siv lub ntsej muag kawg ntawm lub iav (worm iav) yuav tsum nyob ze nrog lub xub pwg nyom (los yog lub ntsej muag kawg ntawm lub tes tsho), thiab tsis tuaj yeem kuaj nrog lub ntsuas 0.05mm feeler gauge. Thiab cov kev cai perpendicularity ntawm lub iav datum kawg lub ntsej muag thiab lub axis yuav tsum tau lav.
26. Qhov sib koom ua ke ntawm lub gearbox thiab lub hau yuav tsum nyob rau hauv kev sib cuag zoo.
27. Ua tib zoo xyuas thiab tshem tawm cov kaum ntse ntse, burrs thiab cov khoom txawv teb chaws uas tseem tshuav thaum lub sijhawm ua haujlwm ua ntej sib dhos. Nco ntsoov tias lub foob tsis khawb thaum nws raug ntsia.
kev xav tau ntawm casting
1. Txias snaps, kab nrib pleb, shrinkage kab noj hniav, nkag mus rau qhov tsis xws luag, thiab loj tsis tiav defects (xws li undercasting, mechanical puas tsuaj, thiab lwm yam) yog tsis tso cai rau ntawm qhov chaw ntawm lub casting.
2. Cov castings yuav tsum tau muab ntxuav tsis muaj burrs thiab flashes, thiab cov risers ntawm qhov uas tsis yog-processing nto yuav tsum tau ntxuav flush nrog nto ntawm cov castings.
3. Cov cim casting thiab cov cim ntawm qhov tsis siv lub tshuab castings yuav tsum tau qhia kom meej, thiab txoj hauj lwm thiab font yuav tsum ua tau raws li qhov yuav tsum tau ua.
4. Lub roughness ntawm qhov tsis-machined nto ntawm lub casting, xuab zeb casting R, tsis ntau tshaj 50μm.
5. Castings yuav tsum tau ntxuav ntawm sprues, ya spurs, thiab lwm yam. Qhov seem seem ntawm lub rooj vag riser ntawm qhov tsis ua tiav yuav tsum tau leveled thiab polished kom tau raws li qhov yuav tsum tau ua kom zoo.
6. Cov xuab zeb molding, core xuab zeb thiab cov pob txha tseem ceeb ntawm lub casting yuav tsum tau muab ntxuav.
7. Rau qhov inclined ib feem ntawm lub casting, nws qhov ntev ntawm qhov kam rau ua cheeb tsam yuav tsum tau teem symmetrically raws lub dav hlau inclined.
8. Lub molding xuab zeb, core xuab zeb, core pob txha, succulent, nplaum xuab zeb, thiab lwm yam nyob rau hauv lub casting yuav tsum smoothed thiab ntxuav.
9. Hom raug thiab tsis ncaj ncees lawm, qhov kev sib txawv ntawm tus thawj coj, thiab lwm yam yuav tsum tau kho kom ua tiav qhov kev hloov pauv thiab ua kom pom qhov zoo.
10. Wrinkles ntawm qhov tsis-machined nto ntawm lub casting, qhov tob yog tsawg dua 2 hli, thiab qhov sib nrug yuav tsum siab tshaj 100 hli.
11. Qhov chaw tsis ua tiav ntawm castings ntawm cov khoom siv tshuab yuav tsum tau tua blasted lossis dov kom ua tau raws li qhov yuav tsum tau ua ntawm kev huv huv Sa2 1/2.
12. Castings yuav tsum tau dej toughened.
13. Qhov saum npoo ntawm lub casting yuav tsum tiaj tus, thiab lub rooj vag, burr, nplaum xuab zeb, thiab lwm yam yuav tsum tau ntxuav.
14. Castings tsis raug tso cai kom muaj qhov tsis xws luag xws li qhov txias kaw, tawg, qhov, thiab lwm yam uas ua rau muaj kev puas tsuaj rau kev siv.
Painting xav tau
1. Qhov saum npoo ntawm txhua qhov hlau uas yuav tsum tau pleev xim rau yuav tsum tsis muaj xeb, nplai, roj, plua plav, av nkos, ntsev thiab av ua ntej pleev xim.
2. Ua ntej derusting, siv cov organic hnyav, lye, emulsifier, chav, thiab lwm yam kom tshem tawm cov roj thiab cov av ntawm qhov chaw ntawm cov hlau.
3. Lub sijhawm luv ntawm kev txhaj tshuaj blasting lossis phau ntawv tshem tawm xeb thiab priming yuav tsum tsis pub tshaj 6 teev.
4. Qhov saum npoo ntawm qhov chaw riveted nyob rau hauv kev sib cuag nrog ib leeg yuav tsum tau coated nrog anti-xeb xim nrog ib tug tuab ntawm 30-40 μm ua ntej kev twb kev txuas. Lap ntug yuav tsum kaw nrog cov xim, putty los yog nplaum. Primer puas los ntawm machining los yog vuam yuav tsum tau recoated.
Cov kev xav tau ntawm cov kav dej
1. Ua ntej sib dhos, tag nrho cov yeeb nkab kawg yuav tsum tau deburred, deburred thiab chamfered. Siv cov cua compressed los yog lwm txoj hauv kev kom tshem tawm cov khib nyiab thiab ntab xeb txuas rau sab hauv phab ntsa ntawm cov yeeb nkab.
2. Ua ntej sib dhos, tag nrho cov kav hlau steel (xws li cov kav dej prefabricated) yuav tsum tau degreased, pickled, neutralized, ntxuav thiab xeb-pov thawj.
3. Thaum sib dhos, zawm cov yeeb nkab clamps, kev txhawb nqa, flanges, cov pob qij txha thiab lwm qhov chaw uas raug kho los ntawm cov xov sib txuas kom tsis txhob xoob.
4. Cov welded qhov chaw ntawm cov kav dej prefabricated yuav tsum raug rau kev sim siab.
5. Thaum cov kav dej raug hloov lossis hloov pauv, qhov chaw sib cais ntawm cov kav dej yuav tsum tau muab khi nrog cov ntaub nplaum lossis cov yeeb nkab yas kom tsis txhob muaj cov khib nyiab nkag mus, thiab daim ntawv lo yuav tsum tau muab khi.
Yuav tsum tau kho qhov vuam vuam
1. Qhov tsis xws luag yuav tsum tau muab tshem tawm tag nrho ua ntej vuam, thiab qhov zawj saum npoo yuav tsum du thiab du yam tsis muaj qhov ntse ntse.
2. Raws li qhov tsis xws luag ntawm cov hlau castings, qhov tsis xws luag hauv qhov chaw vuam tuaj yeem raug tshem tawm los ntawm shoveling, sib tsoo, carbon arc gouging, roj txiav los yog kev siv tshuab.
3. Cov av nplaum xws li cov xuab zeb nplaum, roj, dej thiab xeb tsis pub dhau 20mm nyob ib ncig ntawm qhov vuam thiab qhov zawj yuav tsum tau ntxuav kom huv si.
4. Thaum lub sij hawm tag nrho cov txheej txheem vuam, qhov kub nyob rau hauv preheating cheeb tsam ntawm steel castings yuav tsum tsis txhob qis tshaj 350 degree.
5. Yog tias muaj kev tso cai, weld nyob rau hauv txoj kab rov tav kom ntau li ntau tau.
6. Thaum kho vuam, lub electrode yuav tsum tsis txhob viav vias ntau dhau lawm.
7. Thaum surfacing welding rau saum npoo ntawm cov hlau castings, qhov sib tshooj ntawm cov hlaws hlaws yuav tsum tsis pub tsawg dua 1/3 ntawm qhov dav weld hlaws. Cov nqaij weld yog tag nrho, thiab qhov chaw vuam tsis muaj qhov kub hnyiab, tawg thiab pom tseeb nodules. Cov tsos ntawm vuam seam yog zoo nkauj, tsis muaj qhov tsis xws luag xws li nqaij tom, slag ntxiv, pores, tawg, thiab splashes; lub vuam yoj yog uniform.
Forging xav tau
1. Lub nozzle thiab riser ntawm lub ingot yuav tsum muaj txaus txiav tawm kom paub tseeb tias lub forging tsis shrinkage kab noj hniav thiab loj deflection.
2. Lub forging yuav tsum tau forged ntawm lub forging xovxwm uas muaj peev xwm txaus los xyuas kom meej tias sab hauv ntawm forging yog tag nrho forged.
3. Forgings tsis raug tso cai kom pom cov kab nrib pleb, folds thiab lwm yam tsis xws luag uas cuam tshuam rau kev siv. Cov teeb meem hauv zos tuaj yeem raug tshem tawm, tab sis qhov tob ntawm kev ntxuav yuav tsum tsis pub tshaj 75 feem pua ntawm cov nyiaj siv ua haujlwm, thiab qhov tsis xws luag ntawm qhov tsis siv tshuab ntawm qhov forging yuav tsum tau muab ntxuav thiab hloov mus kom zoo.
4. Forgings tsis raug tso cai kom muaj cov pob dawb, cov kab nrib pleb sab hauv thiab cov kab noj hniav seem.
Txiav qhov xav tau
1. Cov khoom yuav tsum tau kuaj xyuas thiab lees txais raws li tus txheej txheem, thiab tsuas yog xa mus rau cov txheej txheem tom ntej tom qab dhau qhov kev tshuaj xyuas ntawm cov txheej txheem dhau los.
2. Cov khoom ua tiav tsis pub muaj burrs.
3. Cov khoom tiav yuav tsum tsis txhob muab tso ncaj qha rau hauv av thaum lawv muab tso rau, thiab kev txhawb nqa thiab kev tiv thaiv yuav tsum tau ua. Cov teeb meem xws li xeb, npauj, pob thiab khawb uas cuam tshuam rau kev ua tau zoo, lub neej lossis kev pom tsis raug tso cai rau ntawm qhov chaw ua haujlwm.
4. Dov lub npoo tiav, thiab yuav tsum tsis muaj tev tawm tom qab dov.
5. Yuav tsum tsis muaj nplai ntawm qhov chaw tom qab kev kho cua sov hauv cov txheej txheem kawg. Ua tiav mating nto thiab hniav nto yuav tsum tsis txhob annealed
6. Qhov saum npoo ntawm cov xov txheej txheem tsis raug tso cai kom muaj qhov tsis xws luag xws li cov tawv nqaij dub, pob, chaotic buckles thiab burrs.
