Qhov chaw ntxuag tseem ceeb rau kev tsim duab ntawm qhov nraub ntawm cov khoom siv plastik, xws li cov ntaub ntawv zoo uas neeg siv pom. Thaum plastik npuaj ntsoov tuaj ncig rau hauv qhov chaw ntxuag, qhov chaw ntxuag no yuav coj mus rau kev tsim kom ob npaug, txhim kho qhov duab, thiab tswj xyuas qhov ntev meej nyob rau hauv kev tsim khoom. Qhov chaw ntxuag zoo tuaj yeem pab tiv thaiv cov teeb meem xws li qhov chaw plastik lag hauv, qhov chaw ntxiav khi, thiab qhov chaw muaj ntawv ntxiv uas tsis xav tau nyob rau sab nraud. Kev faib ntau sib npaug thiab kev tswj xyuas kub yog qhov tshwm sim. Kev xaiv siv hom siv khoom yog kev saib seb dab tsi tuaj yeem tiv thaiv kev pu tsuaj thiab yuav tsum muaj kev ua kom sov. Ntau lub tsev tsim khoom feem ntau siv cov hlau ntxuag nyob tam sim no. Rau kev tsim khoom feem ntau, hlau P20 tuaj yeem siv tau zoo. Tab sis yog tias lawv xav siv ib yam ntawm yam nyob meej dua rau kev siv ntau lossis siv ntau heev, H13 yog yam feem ntau siv. Ib co yam kev siv khoom tshwj xeeb yuav xav tau siv hlau stainless steel, tshwj xeeb tshaj plaws thaum siv nrog cov resin tsis raug xws li PVC lossis cov uas muaj halogenated flame retardants uas tuaj yeem cuam tshwv hlau thev nqe thaum siv ntev.
Qhov chaw ntiv tes nyob ib sab kawg thiab tsim tag nrho qhov chaw nruab hauv, xws li cov pob, cov rooj, cov tsev kho, thiab cov rooj nyeej uas txiav txim siab meej tias yam khoom siv zoo li cas thiab nyob raug thaum sau ua ke. Kev txiav txim siab qhov chaw raug ntawm qhov chaw ntiv tes thiab qhov chaw tso caij muaj tseem ceeb heev, vim nws tiv thaiv kev tsim khoob tsis xav tau thiab tiv thaiv kom lub raj nqaij muaj qhov loj sib npaug. Thaum ua haujlwm nrog cov duab tsim nyuaj, siv cov chaw ntiv tes tshwj xeeb tuaj yeem pab ua haujlwm yooj yim dua thiab pab rau tus neeg tsim duab hloov pauv kev xav tsis tas dhau sim tshuab tag nrho. Qhov yooj yim no pab rau tus neeg tsim khoom tau ib qhov tswj hneev thaum ua haujlwm ntawm cov hlua sib txawv uas muaj kev hloov pauv ntau zaus.
Thaj chaw ua neeg tsim tsev yuav tsum tau siv cov hlau rau kev tsim kho, vim tias cov khoom no muaj qhov cuam tshwm zoo ntawm qhov yooj yim ntawm kev tsim kho, qhov siab nyob rau sab 48 mus 54 HRC, thiab qhov zoo txaus siab thaum kub. Thaum xaiv hlau tshiab, tus neeg tsim kho yuav tsum xav txog ntau yam uas nyob ib leeg. Thaum kawg yog hom polymer uas siv - ib qho tsis muaj zog tab sis lwm qho rov ua kom hlau phom. Tom qab ntawd peb saib xyuas tias muaj ntau npaum li cas yam khoom yuav tsim ua los ua ke ua haujlwm kom pheej. Xaiv H13 hlau piv txwv li, qhov no tuaj yeem tso cai rau ib heev dua hli ntawm kev tsim kho. Cov kev sib raug zoo txaus siab kuj tseem muaj txiaj ntsig vim tias ntau yam plastik xav tau ntau yam kev sov sib txawv nyob hauv kev tsim kho. Kom tsim kho yuav nyob ntev dua, kev kho kho yuav tsum tau ua tib yam. Qhov kev siv nitriding lossis siv titanium nitride rau ib qhov chaw me me tuaj yeem pab tiv thaiv kev puas tsuaj los ntawm cov khoom uas nyob rau sab nraud lossis puas tsuaj los ntawm cov kab ntsug uas nyob hauv plastic.
Qhov sauv tshuaj tshwv tsis pub dhau 0.005 mm yog qhov tseemceeb rau cov duv muaj sai ntau. Yog tshuaj tshwv dhau 0.005 mm yuav ua rau qhov chaw tawm tsis raug, lub thickness ntawm lub kaum tsis zoo, thiab duv nqus nyhuv ntau dua li xav tau. Cov kev tswj hwm uas nyob hauv cheeb tsam kuj muaj:
| Txoj kev tshuaj xyuas | Qhov sijhawm xyuas | Qhov siv hauv kev lag luag |
|---|---|---|
| Guide Pins & Bushings | ±0.01 mm | Cov khoom siv tshwj tsis |
| Interlocking Taper Locks | ±0.005 mm | Daim duab nyiaj nkauj |
| Kev kom cov duab plaub hluav taws xob hloov pauv | ±0.002 mm | Vaj tse noj tshuam suab ntau |
Cov chaw no tswj lub kauv kev nyob hauv qhov kub thiab hluav taws xob—yog li cas tseem ceeb rau kev ua haujlwm sib piv txwv zoo dua hauv kev tsim khov loj.
Qhov kev sib txuas, uas muaj qhov chaw pib, qhov sib sau, thiab qhov kho, tseem ceeb tshaj plaws yog ua raws li qhov kev nruab nrab rau cov duab nrog qhov roj ntawm kev nruab hauv qhov chaw nruab. thaum cov sib sau ib leeg thiab muaj qhov kho zoo siab dua, lawv pab tsim kev sib kis zoo dua. qhov no cuam tshuam rau qhov tsis zoo los ntawm kev tshav teeb thiab hluv taws uas tuaj yeem tshwm sim qhov xwmfab lossis tsis txaus sib sau peb hu ua short shots. Kev tsim nyog zoo ntawm cov systems no yuav khaws cov cheeb tsam tsis zoo uas duab tsis tau nyob ntev heev. Nyob meej dua yog tsawg dua lub sijhawm vim tus nqi yuav tsis lag. Ib co neeg tsim khoom nug kev poob ntawm kev lag luam txog kev kuaj xyuas kom tsis muaj thaum soj ntsuam nrog cov kev tsim nyog zoo dua li cov tsim nyog dhau los uas tsis muaj kev sib piv.
Cov chav kub tso cua sov ntxuav plastic los ntawm cov manifold thiab cov nozzle uas muaj cua sov, yog li tsis muaj qhov leftover solidified runner material uas yuav tsum tau ua. Cov chav no txo nyuaj xyuas sijhawm los ntawm 12 mus rau 30% vim lawv tsis tas xav txog qhov sijhawm tsha tsha ib tug tsis kub ib yam li cov cold runner tsha tsha. Yog li no cov chav kub yog qhov zoo tshaj plaws thaum tsim kho tshaj tawg lossis thaum ua haujlwm nrog cov ntaub ntawv engineering tshiab uas tsis zoo khiem rau qhov kub txias thaum sijhawm. Tom qab ntawd, cov cold runner yog qhov tsim nyog dua thiab tsawg ntau nqi ntxig, tab sis lawv tsim tau 15 mus rau 40% qhov tsis zoo tom qab txhua qhov molding cycle thiab nyuaj sijhawm dua. Tab sis, ntau tus neeg tsim khoom tsis txhob siv cov cold runner rau kev tsim kho prototype lossis cov leej leuj me me uas tsis muaj kev nyuaj siab nqi ntau rau kev tsim khoom tshiab.
| Rooj Nyob | Kev tsim kho tshuab | Nyuj siab sijhawm | Qhov siv zoo tshaj |
|---|---|---|---|
| Cold Runner | 15-40% ntawm shot weight | +20-50% cooling phase | Prototype, leej leuj me me |
| Hot Runner | ≤5% qhov ntaub ntawv tsis | Txhim kho los ntawm tshem tsov txoj kev sib ntsuas | Du tsheb, du roj kauv tshob |
Kev xaiv hom ntawv tso yeej cuam tshuam ntau txog qhov zoo, kev ua hauj, thiab qhov nyob siab ntawm qhov chaw tshav sij. Yog mloog peb piav kom meej dua no. Ntawv tso tsib yog ib qho zoo tshaj plaws rau cov ntsiab lus leeg uas xav tau qhov kho mob. Ntawv tso sab nraud tuaj zoo rau kev pib tso khoom nrog rau sab nraud ntawm qhov chaw tshav thiab pab ua rau rov tshem meej dua tom qab tshuaj lag luam. Ntawv tso khaum dej muaj ib qho txiaj ntsig zoo tshaj plaws yog tias lawv tseem tshem tawm thaum tshem tawm, yog li tsis muaj dab tsi cia nyob rau sab saum ntawm qhov chaw tshav uas tseem ceeb. Ntawv tso raj tsho pib khoom zoo rau cov kab ntsug yooj yim, tab sis tam sim twg nws tso tseg qhov xav tshem tawm. Thiab no yog ib qho tseem ceeb uas neeg lag lag feem ntau hnov: txhua qhov kev sau ntawv tso xwm yeem tsis pub dhau lub lauj kaub uas nyob hauv lub hom phom hlwb tso. Yog tso ntau ntau rau cov khoom siv los yog PEEK ces yuav tsum txaus siab rau cov teeb meem zoo li sib txawv sib txawv lossis kev puav tswb kim huv rau lub chaw tshav polymer.
Yog xav tau qhov chaw ntawm lub qhov muab tiag tiag, ces yog tsum nrhiav qhov chaw tseemcees uas ua rau tog li nruj thiab qhov xwm yeem zoo. Lub qhov muab siv rau tog li nruj yog sau nyob qhov chaw uas tuaj yeem ceeb tsheej cov ntim siab dua kom tswv kuv tawm los ntawm qhov ntim siab lossis kom meej tias yam khoom poob ib yam. Lub qhov muab siv rau kev tshawb nrhiav yog sau nyob qhov chaw uas tsis muaj leeg pom, xws li saum tog, sab nraud ntawm qhov chaw nkhaus, lossis nyob sab saud ntawm lwm yam ntxiv, tsis txhob muab rau kev tso kho tawm. Tus leej twg muaj ntau tshaj plaws kuj pab tias 68% ntawm cov ntxoov ntawm tog tuaj yeem los ntawm kev xaiv qhov chaw ntawm lub qhov muab tsis zoo. Nov yog vim li cas ntau tus neeg tsim khoom tam sim no npaj mus rau kev siv kev sim 3D flow. Cov cuab yeej no tuaj yeem pom cov teeb meem ua ntej, pom cov qhov chaw uas yuav muaj kev plooj, kev nyuaj siab, thiab cov teeb meem hla tawm ua ntej thaum tsis muaj leeg tsim tiam rau kev tsim kho.
Yog kom txo cov ntsiab lus taw qhia uas tsis zoo uas tso cai rau kev tsim kho, cov khaub ncaws yuav tsum sib cuag nrog kev saib xyuas kev tsim kho zoo. Txhim kho nyob rau sab nraud ntawm qhov chaw taw qhia, nyob rau hauv qhov chaw taw qhia, feem ntau yog ib puag ncig 2 degrees Celsius, pab tiv thaiv cov teeb meem xws li kev kuaj nrov ua ntej los yog kev ntxuav ntau heev. Kawm tshiab rau qhov chaw taw qhia mus rau daim duab ntxoov lossis duab conical yuav ua rau nws yooj yim dua los tshem tawm tom qab khiav. Thiab qhov chaw taw qhia loj dua feem ntau zoo dua, txiab tias lawv nyob rau hauv qhov chaw ntxuav nyob rau hauv qhov tseem ceeb, vim tias qhov no yuav txo kev ntxuav ntau thaum siv cov khoom siv tshaj tawg. Rau cov khoom uas muaj nuj nqis tshaj plaws, qhov kev kho dua tuaj yeem txo cov ntsiab lus taw qhia tawm mus rau saum 0.05 millimeters, uas feem ntau tsis pom tau los ntawm saub neeg. Qhov kev sib piv no yog qhov tseem ceeb rau cov khoom uas tseem ceeb rau saub neeg. Kev siv technology laser kuj muaj kev pab ntau, txo kev kho los ntawm tus kheej ntau dua ib pliag feem ntau, feem ntau yog qhov tseem ceeb thaum siv cov qhov chaw taw qhia me me rau cov khoom siv tshaj tawg uas kev tsim kho tsis tseem ceeb tsis tuaj yeem.
Kev ceev nruab qhov chaw sib txuas rau kev sov dej tuaj yeem yog qhov tshwm sim meej li cas thaum xav kom kho tau lub sijhawm thiab txhim kho qhov tseem ceeb ntawm qhov khoom. Feem ntau yuav tsum nrhiav kev ceev nruab no nyob deb ntsiag rau qhov chaw uas muaj form ntawm qhov khoom, tshpecially nyob rau sab uas nyiag dua, tab sis kuj tsum coj siab kom tsis txhit rau cov khoom siv tshuab ploj, cov cuab yeej hla, lossis lwm yam khoom siv tseem ceeb hauv qhov chaw nruab. Thaum kub tau txais tshwj tsis txaus hauv qhov chaw nruab, nws pab kom tsoom tawm kev sib txawv ntawm kev nyiag lossis kev plha tawm uas tuaj yeem ua rau qhov khoom finished phem. Ib co tus neeg tsim khoom hloov mus siv cov khoom siv cuab yeej uas muaj copper ntau dhau los ntawm tool steel uas feem ntau, vim tias lawv siv kub zoo dua. Cov khoom siv copper no, xws li Glidcop lossis AMPCO, tuaj yeem siv kub ntau dhau li 40% dhau hauv cov khoom siv uas feem ntau. Qhov no muaj txiaj ntsig txaus siab rau ib co hom plastic nyiag xwb xws li PPS lossis liquid crystal polymers uas xav tau kev sau kub tshwj tsis txaus hauv qhov chaw tsim khoom.
Nrog rau kev tsim kho tshuab 3D nrog hluav taws xob, muaj feem nyob los tsim kho qhov chaw sib txuas kom ncias uas ua raws li daim ntawv tseem ceeb ntawm daim ntawv tsis yog tsuas yog roj teeb cov rooj tsis meej. Qhov no txhais tau tias tsis muaj cheeb laum kawg mus rau hauv kev tsim kho thiab sib txuas sib txuas li ntawm 25% mus rau 70% kom compared to kev tsim kho tshiab. Txoj kev tsim kho cov rooj no tseem pab tiv thaiv zoo dua hauv kev hloov pauv thiab txoj kev sib txuas siab, feem ntau pom tshaib tiam sis thaum ua haujlwm nrog daim ntawv uas muaj daim ntawv tsis meej lossis kev sib txuas nyob. Nyob zoo, tus investment thawj plump tsis pub meej rau kev tsim kho meej, tab sis yam khoom hloov ntau tshaj taub hau rau kev tsim kho loj uas muaj feem nyob tshaj tiam. Thaum ib feeb ib feeb muaj feem nyob thiab ib qhov chaw zoo muaj feem nyob rau hauv qhov chaw, cov kev ruaj ntshai no yuav tsum tau nce ntau zaus.
Kev sib tshuam thiab rov qhib kev tsim kho tshuam rau qhov chaw nruj ntawm kev nruj - uas nyob rau saum npog 60% ntawm sijhawm tag nrho. Vim tias kev hloov los ntawm thawj yam los yog hloov los ntawm ib yam khoom muaj nuj nqi (rau los ntawm lub thickness thiab thermal diffusivity), kev sib tshuam tsis tuaj yeem khi ntau dua li khoom ntiag tug. Qhov no ua rau kev txhim kho lub tshuab meej - tsis yog tshuab ntau dua - yog qhov tseemceeb tshaj plaws rau kev lag luam zoo dua.
Yog xav tau kev siv lub tshuab ntxuav yam tsis muaj kev phom sij, ces yuav tsum siv qhov siab npaum li xwm thiab ntxuav cov ntxuav tseg ntawm qhov chaw uas tsis tas yuav zoo siab heev. Cov neeg ntxuav tseg (ejector pins) tuaj li cas los twg yog tias lawv ntsuas rau qhov chaw uas tsis tas yuav zoo. Rau qhov chaw nyuaj hauv qhov kho, cov tshuab ntxuav tseg txuas ntxiv (special sleeves) pab tswj xyuas cov chaw tseem ceeb kom tsis phom sij, thaum kuj pab tso cov ntxuav tseg uas muaj rooj tsim loj thiab dav kom tso tseg tau zoo. Cov plate ntxuav (stripper plates) yog ib qho tseem ceeb dua, tshwj tsis yog rau cov ntaub ntawv plastik me em lossis cov ntxuav tseg loj thiab flab uas yuav tsum tau tso tseg nrog kev nuaj nqis. Yog tias cov ntxuav no ua ke nrog kev tso tseg raws li qhov kho raug tshem tso, feem ntau yog raws li qhov kho raug tshem tso, nws tso cai kom tsis muaj av hauv qab ntxuav thiab tso cai kom tag nrho tso tseg tau zoo thiab tsis muaj kev sib tshwv. Kev siv cov ntxuav tseg raws li qhov xwm yeem pab sau qhov kev sib txawv ntawm kev tsim kho tsis muaj kev phom sij thiab kev tsim kho uas muaj cov ntxuav tseg tso tseg tsis tau thiab yuav tsum tau muab mus kho nrog kev laj ntau.
Kev txiav thiab sau nruab nrab ntawm 0.5 thiab 3 degrees yuav ua rau muaj qhov cuam tshuam loj thaum cov chav yeeb tsum tau raug tshem tawm tas li los ntawm cov duab. Yog tsis muaj kev txiav sib ntsig hauv qab, qhov ceev dua yuav tshwm sim nyob rau sab nraud, uas txhais tau tias yuav muaj teeb meem zoo tshaj li, xws li kev puav tswg rau sab nraub, kev khaiv, lossis txhob rog. Qhov no yuav tseem muaj nuj nqi tshaj plaws rau cov khoom siv uas tsim teeb meem, uas tso cai rau kev puav tswg lossis kev rov qab thaum sov dav hlwb, xav txog nylon nrog lub zog hlwb lossis hom polyethylene tshwj tsis. Rau tus neeg siv khoom injection plastic tsim tshiab, kev txiav tsis yog ib yam uas tau muab ntxiv saum toj nplooj. Cov neeg kho tshuaj zoo yuav tso nws rau hauv cov chaw sib ntsig ntawm hnub thib ob. Lawv kuj tso kev simulation, suav xyuas seb yam twg yuav ua haujlwm nrog qhov tshem tawm thiab yam uas yuav tshwm sim rau cov plastics sib txawv thaum lawv sov thiab tshwm.
Qhaws yog qhov tseem ceeb thaum lub khw keeb ntawm chav tsim nyob rau hauv yam ntxiv rau ib sab uas txwv tsis pub tshwm sim los ntawm kev tso tawm hauv qab no—sab rooj, rooj kheub, snap-fits, lossis sab rooj nruab nruab—uas tsis tuaj yeem muaj los ntawm kev siv cov kab ntsug tsis muaj. Lawv huv mus ib sab tos tso tawm hauv qab, tsim cov feem, tom qab ntawd rov qab kom pom kev tso tawm ntawm chav. Qhaws yog qhov xws li thaum:
Pej xoog feem pib tseg kom qhaws zoo thiab ntev dua:
Yooj yim (48–52 HRC) thiab siv neeg ua kom sov, cov khoom no tuaj yeem siv tau dua li 500k thauj mus los thaum twg kuj tseem muaj kev rov qab los.
Qhauj nrog tso koob muaj peev xwm ntxiv rau tus kws tsim kho, tab sis lawv kuj muab tu siab me nyuam qhu nkaus. Txog hli ntawm cov leej twg muaj cuab yeej, txoj kev sib raug zoo li 35% ntawm qhov sib tshwm tsis xav tau los ntawm kev pheej hmoo ntawm qhauj nrog, xws li tig tiam, ruaj siab lossis tawm ntawm kev ncua. Ib co kws tsim kho nug kom tsim cov khoom meej ntuag kom tsis tas yog qhauj nrog. Lawv nug kom saib xyuas rau cov kev surov uas khiav kom meej dua li 20% thiab txawm tsis pub meej li 42% tsawg dua. Tab sis thaum mloog mus rau cov khoom meej ntuag heev xws li khoom siv rau kev kho mob, lub rooj khaus rau lub tshuab sau duab lossis khoom siv rau lub cheeb tsam, qhauj nrog tsis tuaj yeem sawv cev tau. Qhov tseem ceeb tshaj plaws tsis yog kom nrhiav kom tsis muaj lawv, tab sis yog kom paub tias lawv tau tsim zoo tas li ntawm thawj zaug los ntawm kev siv cov ntaub ntawv zoo thiab tswj xyuas thiab kho kom tiav ntau dua hauv lub sijhawm tsim.
Qhov chaw tso tseg me me yog qhov rooj tsim tshwj tsis, feem ntau ntawm 0.015 thiab 0.025 mm dav, muab tso rau hauv qhov chaw sau npe, nyob ze kauv, lossis kawg tseem ceeb. Cov cuab yeej me no muab kev pab tso cov duab ntub tseg thaum chaw tso tseg tseem tseem. Thaum tsis muaj cov chaw tso tseg no, cov duab ntub tseg tseem ceeb loj dua, txawm tias li 400 degrees Celsius, uas ua rau hmoob ntaub. Qhov no cuam tshwm sim rau cov ntawv tshwj tsis zoo, cov chaw tseg tseem ceeb, lossis cov chaw uas tseem ceeb tsis tau tshwm sim. Kev sib tham rau qhov chaw tso tseg yog qhov tseem ceeb vim nws tiv thaiv cov duab ntub tseg tseem ceeb. Thiab cov duab ntub tseg no tuaj yeem ua rau lub neej tseem ceeb tseem ceeb thiab ua rau cov ntaub ntawv tsis zoo. Rau cov khoom me me uas xav tau kev tseem ceeb, qhov no tseem ceeb dua vim tias cov ntaub ntawv tsis zoo tuaj yeem pom tsha tsha thiab tsis zoo.
Cov angles ntawm qhov chaw, feem ntau nyob rau 1 mus rau 3 degrees tab sis thaum kawg tuaj yeem txog 5 degrees rau cov khoom siv los yog polypropylene uas lwm qhov kawg meej, pab tso cov kab tog ntsiag tug rau hauv qhov chaw kom tsawg friction thaum sau tawm cov khoom los ntawm qhov chaw. Thaum cov angles no tsis muaj tseeb, tus tshuab yuav xav tau neeg tso siab plaws tsis pub ntau dua ib plaws, thiab kev tsim kho yuav nyav dua li 15% mus rau 25%. Tom qab ntawd, qhov chaw yuav nqus ntau dua thiab cov khoom yuav raug rau ntau dua. Ntau tus neeg xav tias cov angles yog ib qho uas pab tso cov khoom tawm, tab sis nyuaj siab nws yog ib qho tseemceeb tshaj plaws rau kev tsim kho qhov chaw zoo uas yuav tsum tau xav txog thaum pib kev tsim kho khoom.
Kev txuas ntau yam tsis muaj zog feem ntau hnov tshwm sim nyob rau hauv kev kho tshuab tshwj xeeb vim tias neeg nyob siab tias yuav pab cuam meej ntxim lossis ua rau lub chaw nruj yaj. Tab sis ntawm no: cov duab tshwm sim los ntawm kev kaw qhov tshoob ib nrab ntawm yam tsis zoo tag nrho thiab kuaj kom hluas tsev kawg, uas txhais tau tias yuav tsum tau kho tshuab tas li ntau dua thiab ntau nqi dhau los. Thaum siv rau kev tsim tshuab nrog qhov tshwm sim tsis pub ntau tshaj 0.1 millimeters, kev txuas ntau yam tsis muaj zog tsis yog ib yam uas tsuas yog xav tau xwb lawm. Nws yuav tsim nyog rau kev tswj xyuas kev ua haujlwm, thiaj li tshwm sim tau cov khoom zoo, thiab txhim kho sijhawm siv tau ntawm cov tshuab ntau nqi.
Cov ntaub cuab ntoo npaj tshuab zoo li P20 thiab H13 feem ntau siv rau cavity thiab core vim lawv nyob siab thiab tuaj yeem tiv thaiv kev ntxuav. Stainless steel (ntoo cuab looj ntsuab) siv thaum siv nrog cov duab uas ua rau corrosion (khiav).
Cov chaw tso tsis tu ncua yog qhov yooj yim dua thiab nyiaj ntau dua, tab sis tsis tshem tshem ntau. Cov chaw tso kub khaws ceev lub sijhawm thiab tsis tshem tshem, tab sis lawv muaj nyiaj ntau dua ntawm qhov pib.
Cov kab tso kub zoo li ntawd txhim kho kev tso kub los ntawm mus raws nraum daim ntawv, txo cov chaw kub thiab sijhawm ntxhuam.
Cov tog neeg ntxiv qhov nyuaj thiab qhov tsis txaus siab tias yuav tsum muaj kev txiav txim thiab khiav, tab sis lawv yog yooj yim tias yuav tsum tau rau cov daim uas muaj daim duab nyuaj.
Xov xwm kub2024-04-25
2024-03-06
2024-03-06
2024-03-06
2024-03-06
2024-08-09
WishSINO cov khoom lag luam tseem ceeb yog Injection Mould, Kev Tshuaj Xua Khoob, Kev Pab Txuag Ntaub, 3D Printing, Cov Khoom Plastic Injection, IMD injection Moulding, thiab lwm yam.
Copyright © 2024 los ntawm WishSINO Technology Co., Limited Kev Ceeb Toom Siab
EN
AR
HR
CS
DA
NL
FI
FR
DE
EL
IT
JA
KO
NO
PL
PT
RO
RU
ES
SV
TL
ID
LT
SK
SL
VI
TH
TR
AF
MS
GA
BN
HMN
LO
LA
MI
MN
NE
MY
UZ
