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Srpski језикNtev ntev pob zeb thaiv pwm yog cov pob txha ntawm txhua qhov ua tau zoo thiab muaj txiaj ntsig zoo pob zeb thaiv cov kab ntau lawm. Lawv cov durability ncaj qha txiav txim siab cov khoom sib xws, cov nqi tu, thiab tag nrho cov khoom tiav tiav. Cov yam ntxwv tseem ceeb ntawm cov pwm ua haujlwm siab muaj xws li hwm alloy steel kev tsim kho, txheej txheem kev kho cua sov siab, precision machined kab noj hniav, thiab muaj zog tiv thaiv coatings. Yog tias tsis muaj cov yam ntxwv no, pwm sai raug kev txom nyem los ntawm qhov tsis raug, tawg, thiab ua tsis tiav ntxov, ua rau raug nqi poob qis thiab tsis lees txais cov khoom siv.
Ntawm Quangong Machinery Co., Ltd., peb tau engineered pebQhob Thaiv Mouldskom dhau cov qauv kev lag luam rau kev ua haujlwm ntev thiab kev ua haujlwm. Peb cov pwm sib koom ua ke ntau xyoo ntawm kev paub txog metallurgical thiab kev tawm tswv yim los ntawm ntau txhiab lub tsev tsim khoom thoob ntiaj teb. Hauv phau ntawv qhia dav dav no, peb yuav rhuav tshem cov yam ntxwv tseem ceeb uas cais cov cuab yeej ib ntus los ntawm cov cuab yeej siv tau ntev. Txawm hais tias koj ua haujlwm ib lub vaj me me los yog cog qoob loo loj, kev nkag siab cov lus qhia no yuav pab koj xaiv cov pwm uas ua rau muaj txiaj ntsig zoo rau ntau lab lub voj voog. Peb kuj tseem yuav qhia peb lub Hoobkas kuaj ntsuas qhov ntsuas, cov lus siv tau, thiab cov lus nug nquag los pab koj ua kom paub txog kev nqis peev.
Lub hauv paus ntawm txhua qhov ntev ntev pob zeb thaiv pwm yog cov khoom siv raw nws tus kheej. Peb qhov kev paub dhau los ntawm Quangong Machinery Co., Ltd. tau pom tias siv cov hlau tsis zoo ua rau micro-cracks, warping, thiab ntug deformation nyob rau hauv thawj 100,000 cycles. Peb tsuas yog siv cov pa roj carbon siab chromium cov cuab yeej hlau (xws li Cr12MoV) thiab cov qib zoo alloy steel zoo li GCr15. Cov ntaub ntawv no muaj qhov tshwj xeeb compressive zog thiab tsis kam mus rau abrasive aggregates. Tab sis raw steel ib leeg tsis txaus; cov txheej txheem kho cua sov qhib lub peev xwm tiag tiag. Los ntawm lub tshuab nqus tsev carburizing thiab quenching ua raws li los ntawm ntau lub voj voog tempering, peb lub Hoobkas ua tiav ib qho nyuaj ntawm 58-62 HRC ntawm qhov chaw ua haujlwm thaum tuav cov tub ntxhais tawv (35-40 HRC). Qhov gradient hardness no tiv thaiv kev puas tsuaj tsis ua hauj lwm thiab absorbs cuam tshuam quab yuam los ntawm qhob compaction.
Hauv qab no yog cov lus qhia ntxaws ntawm peb cov khoom siv thiab kev kho cua sov tsis zoo rau Cov Khoom Siv Hluav Taws Xob. Cov nuj nqis no yog nyob ntawm peb lub Hoobkas kev tswj xyuas zoo thiab cov ntaub ntawv teb los ntawm ntau tshaj 15 xyoo ntawm kev tsim khoom. Ua raws li cov kev qhia tshwj xeeb no ua kom ntseeg tau tias peb cov pwm niaj hnub ua tiav 1.5 txog 2 lab nias lub voj voog ua ntej yuav kho qhov loj.
| Parameter | Specification / Tus nqi |
| Qib Steel | Cr12MoV, GCr15, lossis sib npaug cov cuab yeej hlau |
| Hardness (ua hauj lwm nto) | 58-62 HRC |
| Core Hardness | 35-40 HRC (tuaj yeem kho kom zoo) |
| Kev kho cua sov | Nqus carburizing + quenching + triple tempering |
| Microstructure | Fine tempered martensite + uniform carbide faib |
| Hnav Txheej Qhov tob | 1.2-1.8 hli tom qab hardening |
Peb lub Hoobkas ua raws li ISO 9001 cov txheej txheem nruj kom paub tseeb txhua pawg. Ib qho ntawm cov laj thawj tseem ceeb ntawm peb Cov Qhob Txhaum Moulds ua tau zoo tshaj cov neeg sib tw yog kev tshem tawm cov pob muag muag. Peb ntiav 100% eddy kev sim tam sim no thiab hardness daim phiaj hla txhua kab noj hniav. Tsis tas li ntawd, peb ntxiv molybdenum thiab vanadium rau cov hlau muaj pes tsawg leeg txhawm rau txhim kho qhov kub thiab txias - qhov tseem ceeb thaum cov pwm raug cuam tshuam rau cov voj voog ua kom sov lossis muaj kev vibration siab. Yog tsis muaj xws li metallurgical precision, pwm yuav pom ntxov hnav ntawm cov ces kaum thiab tav, uas ua rau cov ntxhib thaiv qhov chaw thiab qhov sib txawv ntawm qhov sib txawv. Los ntawm kev nqis peev nyob rau hauv cov khoom zoo thiab cov khoom siv kho cua sov, peb cov neeg siv khoom txo cov nqi seem txog li 45% hauv ib xyoos. Nco ntsoov, lub pwm uas kav ntev li ob zaug ua tau zoo ib nrab ntawm koj cov cuab yeej siv rau ib qho thaiv.
Txawm tias cov hlau zoo tshaj plaws yuav tsis muaj txiaj ntsig yog tias tshuab tsis muaj micron qib raug. Ntev ntev Concrete Block Moulds yuav tsum tau CNC sib tsoo, xaim EDM, thiab cov txheej txheem lapping uas ua tiav qhov siab ntev li ntawm ± 0.05 hli. NtawmQuangong Machinery Co., Ltd., peb lub chaw tsim khoom siv 5-axis machining chaw thiab tswj xyuas cov cav tov los xyuas txhua qhov kab noj hniav. Thaum peb tham txog qhov tseeb, peb tsom mus rau peb qhov tseem ceeb: kab noj hniav nto roughness (Ra ≤0.4 µm), perpendicularity ntawm sab phab ntsa, thiab pes tsawg qhov sib txuam ntawm punch thiab tuag daim hlau. Tsis zoo machining tsim kev ntxhov siab risers qhov twg tawg pib; it also causes uneven block density, leading to structural weaknesses in finished pavers or hollow blocks. Peb lub Hoobkas cov txheej txheem ua kom ntseeg tau tias txhua lub pwm tsim tau sib sau ua ke thiab sim ua kom haum nrog cov pob zeb tiag tiag ua ntej xa khoom.
Cia peb tshuaj xyuas lub rooj sib piv uas qhia txog qhov cuam tshuam ntawm kev sib txawv machining raug ntawm pwm lifespan thiab thaiv qhov zoo. Cov txiaj ntsig no sawv cev rau peb cov kev tshuaj xyuas sab hauv thiab cov neeg siv khoom tawm tswv yim thoob plaws cov haujlwm hauv Europe, Southeast Asia, thiab Asmeskas.
| Machining Parameter | Peb Txuj | Kev lag luam nruab nrab | Qhov cuam tshuam rau lub neej ntev |
| Dimensional kam rau ua | ± 0.03 hli | ± 0.10 hli | Tshem tawm qhov hnav tsis sib xws; ncua lub neej los ntawm 35% |
| Nto Roughness (Ra) | ≤ 0.32 µm | 0.8-1.2 hli | Txo cov pob zeb adhesion & ntxuav nres |
| Parallelism ntawm Phaj | ≤0.02 hli rau 300 hli | ≤0.07 hli | Tiv thaiv kom tsis txhob qaug zog; uniform kev ntxhov siab faib |
| Corner Radius raug | ± 0.1 hli | ± 0.3 hli | Minimizes kev ntxhov siab concentration tawg |
Peb cov chaw hauv av CNC kuj yooj yim dua stripping ntawm blocks, uas txo cov neeg kho tshuab load ntawm ejector systems. Tsis tas li ntawd, peb muab cov kaum sab xis ntawm 0.5 mus rau 1 degree ntawm phab ntsa ntsug kom txo qis kev sib txhuam thaum lub sij hawm demolding. Qhov kev tsim no, ua ke nrog micro-tiav polishing, xyuas kom meej tias peb Cov Qhob Txhaum Pwm tuav cov khoom tso tawm tib yam txawm tias tom qab 800,000 cycles. Lwm qhov feem ntau tsis pom zoo yog qhov ntsia hlau qhov sib dhos thiab clamping nto flatness. Tsis zoo machined mounting lub ntsej muag ua rau cov pwm flex nyob rau hauv kev co, ua rau qaug zog fractures. Peb lub Hoobkas siv blanchard av thaub qab daim hlau nrog dowel pins rau rov mounting. Qib no ntawm precision yog dab tsi ua rau peb cov neeg siv khoom tsim cov blocks nrog qhov ntev thiab ntse ntse thoob plaws hauv pwm lub neej. Hauv cov ntsiab lus, precision machining tsis yog ib qho khoom kim heev tab sis qhov tseem ceeb ntawm cov cuab yeej siv tau ntev.
Kev sib cuam tshuam ntawm cov pob zeb sib xyaw ua ke (xuab zeb, gravel, qee zaum cov khoom siv rov ua dua tshiab) thiab steel nto yog abrasive los ntawm xwm. Ntev ntev Concrete Block Pwm yuav tsum suav nrog cov kev kho mob saum npoo av uas dhau mus dhau lub hauv paus hardness. Ntawm Quangong Machinery Co., Ltd., peb muab peb theem ntawm kev txhim kho saum npoo: nitriding (cov ntaub ntawv hardening), titanium aluminium nitride (TiAlN) PVD txheej, thiab chromium plating. Txhua tus muaj cov txiaj ntsig sib txawv. Rau feem ntau cov txheej txheem thaiv, nitriding muab 50-70 micron dawb txheej nrog hardness txog 1100 HV. Rau kev sib xyaw ua kom zoo heev lossis cov zis siab (siab dua 1.5 lab lub voj voog), peb lub Hoobkas pom zoo kom muaj txheej txheej duplex: nitrocarburizing ua raws li TiAlN. Qhov kev sib xyaw ua ke no txo cov kev sib txhuam coefficient mus rau 0.3 thiab ua kom cov tawv tawv nce mus rau 2200 HV. Qhov tshwm sim yog cov pwm uas tiv thaiv khawb, khawb, thiab hnav tsis zoo, txawm tias siv cov pob zeb crushed nrog cov ntsiab lus silica siab.
Peb tau sau ib daim ntawv teev npe ntawm cov txheej txheem txheej txheem zoo tshaj plaws siv rau ntawm peb Cov Khoom Siv Txhaum Cai. Txhua qhov kev xaiv raug xaiv raws li tus neeg siv khoom qhov chaw tsim khoom thiab hom thaiv.
Peb cov ntaub ntawv hauv cheeb tsam qhia tau hais tias cov pwm tsis muaj coated feem ntau pib pom cov cim coj tom qab 200,000 lub voj voog, thaum TiAlN coated pwm los ntawm Zenith nyob twj ywm pristine rau ntau tshaj 800,000 cycles. Cov txheej kuj tiv thaiv tshuaj tua kab mob los ntawm kev sib xyaw ua ke (plasticizers, chlorides). Peb ib txwm pom zoo kom peb cov neeg siv khoom thov daim ntawv qhia txheej thickness thiab adhesion test (Rockwell indentation) ua ntej yuav txais cov pwm tshiab. Lwm qhov zoo dua yog tias coated nto tsim cov blocks nrog lub ntsej muag smoother, txo qhov xav tau ntawm qhov chaw tiav. Qhov no ib leeg tuaj yeem txo cov nqi ua haujlwm qis. Rau cov nroj tsuag muaj peev xwm siab, kev nqis peev hauv cov txheej txheem zoo tshaj plaws tau txais txiaj ntsig rov qab los ntawm kev nqis peev hauv rau lub hlis vim txo qis qis thiab qis pwm cov khoom muag.
Cov neeg kho tshuab qaug zog yog ib qho ntawm cov neeg tua neeg tseem ceeb ntawm Pob Zeb Thaiv Moulds. Txhua lub voj voog nias thiab ejection raug cov pwm rau cyclic loading. Cov qauv siv ntev ntev suav nrog cov txheej txheem kev txhawb zog, kev ua kom zoo dua ejector tus pin tso, thiab kev ntxhov siab geometries. Ntawm peb lub Hoobkas, peb siv finite element tsom xam (FEA) simulate ntau txhiab lub voj voog thiab txheeb xyuas qhov kub. Piv txwv li, cov ces kaum ntawm hollow thaiv pwm feem ntau yog thawj zaug tawg. Peb ntxiv 3-5 mm chamfers los yog fillets nrog radii tsawg kawg yog R4 rau R6 kom faib kev ntxhov siab. Tsis tas li ntawd, peb ntxiv dag zog rau sab nraub qaum nrog cov welded los yog sib xyaw ua ke cam khwb cia uas ua rau kom cov seem modulus tsis ntxiv qhov hnyav. Lwm qhov tseem ceeb tsim qauv yog lub ejector pin system. Cov pins uas tsawg dhau los yog tsis raug nyob ua rau tsis sib xws ejection rog, khoov cov pwm daim hlau. Peb tus qauv teeb tsa siv yam tsawg kawg nkaus ntawm 4 tus pins ib kab noj hniav rau cov blocks me thiab mus txog 8 tus pins rau cov chav loj, txhua rooj plaub hardened rau 55-58 HRC nrog polished stems.
Hauv qab no yog cov npe ntawm cov qauv tsim uas peb suav nrog los tiv thaiv kev tawg thiab deformation ntau lab lub voj voog. Cov kev nkag siab no yog ua raws li peb lub Hoobkas kev txhim kho txuas ntxiv thiab kev tawm tswv yim los ntawm cov neeg siv hnyav.
Quangong Machinery Co., Ltd. kuj muaj kev cai txhawb rau cov ntawv thov tshwj xeeb. Piv txwv li, thaum tsim interlocking blocks nrog sib sib zog nqus undercuts, peb ntxiv sab tub ntxhais pullers ua los ntawm hardened D2 steel. Cov khoom txav no yog tsim los kom yooj yim lubrication nkag. Peb lub Hoobkas tsim lub tswv yim yog tias txhua pwm yuav tsum tau kho yam tsawg kawg peb zaug. Los ntawm kev sib koom ua ke ntawm cov khoom siv thiab kev txhawb zog, peb xyuas kom meej tias peb Cov Khoom Siv Txhaum Moulds tseem nyob hauv kev pabcuam rau 5 txog 7 xyoo txawm tias nyob rau hauv 3-hloov ua haujlwm. Qhov tshwm sim yog qis dua tag nrho cov nqi ntawm cov tswv cuab thiab cov sij hawm kwv yees ntau lawm.
Txawm tias cov pwm ruaj khov tshaj plaws yuav tsum tau saib xyuas kom ncav cuag lawv lub peev xwm siab tshaj plaws. Peb lub xyoo dhau los ntawm Quangong Machinery Co., Ltd. tau qhia peb tias kev saib xyuas zoo tuaj yeem ua ob npaug pwm lifespan piv rau kev ua haujlwm tsis quav ntsej. Cov kev coj ua tseem ceeb suav nrog kev tu tsis tu ncua, tiv thaiv xeb, tshuaj xyuas lub zog, thiab teem caij kho dua tshiab. Tom qab txhua qhov kev hloov pauv ntau lawm, cov neeg ua haujlwm yuav tsum tshem tawm cov khoom seem uas tsis yog hlau scrapers thiab cov dej tsis tshua muaj siab. Hardened deposits ua raws li abrasives uas accelerate hnav. Peb lub Hoobkas pom zoo kom siv cov biodegradable tso tawm tus neeg sawv cev ua ntej txhua lub voj voog, uas kuj ua raws li kev tiv thaiv corrosion. Kev txheeb xyuas txhua lub limtiam ntawm tag nrho cov bolts thiab clamping ntsiab yog qhov tseem ceeb vim tias kev vibration loosens fasteners, ua rau misalignment thiab hnav tsis sib xws. Tsis tas li ntawd, cov xwm txheej khaws cia tseem ceeb: cov pwm khaws cia hauv qhov chaw ntub dej tsim pitting corrosion, tshwj xeeb tshaj yog nyob rau hauv cov kab noj hniav polished. Nco ntsoov khaws cov pwm vertically ntawm cov ntoo racks nrog ib zaj duab xis nyias ntawm cov roj tiv thaiv xeb.
Txhawm rau pab peb cov neeg siv khoom siv lub sijhawm saib xyuas kom zoo, peb muab cov npe hauv qab no. Ua raws li cov kauj ruam no ua kom ntseeg tau tias koj Cov Khoom Siv Hluav Taws Xob los ntawm peb lub Hoobkas xa cov kev ua tau zoo ib xyoos dhau los.
Peb cov neeg muas zaub uas nruj me ntsis ua raws li lub sij hawm no qhia pwm nyob tshaj 2.5 lab cycles. Tsis tas li ntawd, peb lub Hoobkas muaj cov cuab yeej saib xyuas cov chaw taws teeb uas taug qab cov cim kev vibration thiab lub voj voog suav kom kwv yees hnav. Thaum cov tsos mob ntawm qaug zog tshwm sim, peb muab kev hloov kho sai sai, suav nrog rov ua nitriding thiab nyuaj chrome plating. Peb kuj tseem hais txog qhov tseem ceeb ntawm kev siv cov pob zeb sib xyaw kom raug. Kev sib xyaw qhuav qhuav ua rau muaj kev sib txhuam thiab ua kom nrawm nrawm. Conversely, overly ntub mix ua sticking thiab yuav tsum tau quab yuam ejection. Los ntawm kev sib npaug sib xyaw tsim thiab kev saib xyuas, koj tiv thaiv koj cov peev txheej. Nco ntsoov, cov pwm tswj tau zoo los ntawm Quangong Machinery Co., Ltd. tuaj yeem tsim ntau dua 3 lab blocks yam tsis muaj qhov tsis ua haujlwm loj, ncaj qha txhawb koj cov txiaj ntsig.
Xaiv qhov ntev ntev Concrete Blocks tsis yog kev txiav txim siab yuav khoom xwb; nws yog ib qho kev nqis peev zoo hauv kev ua haujlwm zoo. Raws li peb tau piav qhia, cov yam ntxwv tseem ceeb suav nrog qib qib steel zoo, kev kho cua sov zoo, cov txheej txheem siab tshaj plaws, kev xav tsim kev txhawb zog, thiab kev qhuab ntuas kev saib xyuas. Txhua lub hauv paus ua haujlwm sib koom ua ke los txo qis qis qis, txo tus nqi ib ntus, thiab ua kom cov khoom zoo sib xws. Ntawm Quangong Machinery Co., Ltd., peb lub Hoobkas ua ke metallurgical science nrog engineering innovation kom xa cov pwm uas ua tau zoo tshaj kev lag luam kev ntsuas. Peb tau pom peb cov neeg siv khoom txiav cov nqi hloov pwm los ntawm ib nrab thaum nce cov khoom tawm los ntawm 15% vim tias muaj tsawg dua. Txawm hais tias koj tsim cov qauv hollow blocks, pavers, lossis tshwj xeeb interlocking units, cov hauv paus ntsiab lus uas tau tham ntawm no siv rau thoob ntiaj teb.
Npaj los txhim kho koj cov kab ntau lawm nrog cov pwm uas kav ntev? Hu rau Quangong Machinery Co., Ltd. hnub nothov ib qho kev txiav txim customized thiab kev sab laj engineering. Peb pab neeg yuav txheeb xyuas koj cov pob zeb sib xyaw, hom tshuab, thiab cov hom phiaj tsim khoom kom pom zoo rau kev pom zoo ntawm Cov Khoom Siv Txhaum Cai. Peb kuj tseem muab cov qauv kuaj kab noj hniav dawb thiab 24 lub hlis lav rau txhua qhov kev kho cua sov thiab txheej ua haujlwm. Hu rau peb lossis sau peb daim ntawv online kom tau txais cov lus qhia ntxaws hauv 24 teev. Cia peb pab koj ua tiav qhov siab tshaj plaws uptime thiab superior thaiv zoo nrog pwm engineered kom muaj kev ruaj ntseg.
Q1: Yuav ua li cas yog lub neej ntev ntawm lub siab zoo pob zeb thaiv pwm ntsuas nyob rau hauv lub voj voog?
A:Rau cov khoom siv zoo tshaj plaws los ntawm Quangong Machinery Co., Ltd., lub neej ntev li ntawm 1.5 lab mus rau 2.5 lab lub voj voog nyob ntawm qib steel, txheej, thiab kev saib xyuas. Peb lub Hoobkas sab saum toj pwm pwm nrog TiAlN txheej thiab Cr12MoV hlau tsis tu ncua ua tiav 2 lab lub voj voog nyob rau hauv cov xwm txheej zoo li qub. Nrog kev tu thiab lubrication kom zoo txhua lub lim tiam, qee cov neeg siv khoom tshaj tawm txog li 3 lab lub voj voog ua ntej thawj qhov kev hloov kho loj. Cov pwm qis dua yam tsis muaj kev kho cua sov feem ntau ua tsis tau ua ntej 500,000 cycles.
Q2: Yuav ua li cas lub hardness ntawm lub pob zeb thaiv pwm cuam tshuam nws tsis kam mus abrasive aggregates zoo li quartz los yog granite xuab zeb?
A:Hardness ncaj qha cuam tshuam rau abrasive hnav tsis kam. Peb lub Hoobkas tsom rau qhov ua haujlwm ntawm qhov tawv tawv ntawm 58-62 HRC rau kev ua haujlwm zoo. Nyob rau theem no, cov hlau microstructure resists micro-txiav thiab plowing los ntawm ntse aggregates. Hardness qis dua 50 HRC tso cai rau kev sib sau ua ke rau saum npoo, tsim cov grooves uas ntxiab ntau abrasives thiab ua kom tsis ua haujlwm. Rau kev sib xyaw ua ke tsis zoo (piv txwv li, cov pob zeb siv rov ua dua nrog cov silica siab), peb siv PVD txheej uas ua kom cov tawv tawv nce mus txog 2200 HV, muab ze rau pob zeb diamond zoo li hnav tsis kam. Ib txwm phim hardness rau koj hom aggregate.
Q3: Puas tuaj yeem thaiv cov pwm tuaj yeem hloov kho dua tshiab, thiab cov txheej txheem ntawd cuam tshuam li cas?
A:Yog lawm, kev kho dua tshiab yog ib txoj hauv kev siv nyiaj kom ntev pwm lub neej los ntawm 200% lossis ntau dua. Ntawm Quongong Machinery Co., Ltd., peb lub Hoobkas refurbishes pwm los ntawm thawj stripping qub coatings, ces kev nyuaj siab relieving cov hlau, precision sib tsoo cov kab noj hniav kom rov qab qhov ntev (± 0.03 hli), thiab thaum kawg reapplying nitriding los yog PVD txheej. Peb kuj hloov ejector pins thiab coj bushings. Feem ntau, refurbishment nqi 40-50% ntawm pwm tshiab tab sis yields 80-90% ntawm thawj lifespan. Feem ntau ntawm peb cov neeg muas zaub refurbish lawv Concrete Blocks ob los yog peb zaug ua ntej zaum kawg hloov.
Q4: Dab tsi yog cov cim qhia tias pob zeb thaiv pwm xav tau kev saib xyuas tam sim lossis hloov pauv?
A:Cov cim tseem ceeb muaj xws li: 1) Rough nto tiav ntawm cov blocks lossis pom cov cim rub; 2) Dimensional variation tshaj ± 1.5 mm ntawm blocks los ntawm tib kab noj hniav; 3) Cov kab nrib pleb lossis chips ntawm kab noj hniav ntawm qhov muag pom ntawm qhov muag liab qab; 4) Nce ejection quab yuam (yuav tsum siab dua hydraulic siab); 5) xeb lossis pitting ntawm qhov chaw ua haujlwm. Yog tias ib qho ntawm cov no tshwm sim, nres kev tsim khoom thiab tshuaj xyuas kom meej. Peb lub Hoobkas pom zoo kom muaj kev soj ntsuam tag nrho txhua 500,000 lub voj voog. Kev tu ncua ncua tuaj yeem ua rau lub tshuab thaiv nws tus kheej.
Q5: Kuv yuav xaiv cov qib hlau zoo li cas rau kuv qhov tshwj xeeb thaiv kev tsim khoom (hollow, khoom, pavers)?
A:Rau hollow blocks thiab tus qauv masonry, Cr12MoV steel nrog 58-60 HRC muaj kev sib npaug zoo ntawm hnav tsis kam thiab toughness. Rau cov khoom thaiv lossis cov pavers siab, uas siv zog ntau dua, peb pom zoo GCr15 lossis cov kabmob zoo sib xws nrog ntxiv molybdenum rau kev cuam tshuam toughness. Rau nyias phab ntsa los yog architectural blocks nrog intricate qauv, peb lub Hoobkas siv pre-hardened cuab yeej steel (nyob ib ncig ntawm 45 HRC) ua ke nrog ib tug nyuaj chrome txheej los tiv thaiv chipping ntawm ilv npoo. Quangong Machinery Co., Ltd. muab kev sib tham pub dawb raws li koj qhov ntim ntau lawm thiab cov yam ntxwv sib sau ua ke. Nco ntsoov thov daim ntawv pov thawj cov khoom siv thiab daim ntawv qhia txog kev cuam tshuam.