Casting hauv silicone pwm: cov khoom. Lub tshuab nqus tsev casting pwm ntawm silicone

Rau lub chaw ua khoom ntawm ib tug me me npaum li cas ntawm yas preforms yog feem ntau siv lub tshuab nqus tsev casting nyob rau hauv silicone pwm. Qhov no txoj kev yog tus yig (manufacturing hlau pwm yuav tsum tau ib tug loj npaum li cas ntawm ob lub sij hawm thiab nyiaj txiag). Nyob rau hauv tas li ntawd, cov silicone pwm yog siv dua, thiab nws kuj ho cov nqi ntawm ntau lawm.

molding yas

Lub essence ntawm lub casting txheej txheem ntawm yas yog raws li nram no. Lub molten khoom yog nyob rau hauv lub ntsia hlau chav tsev (tshwj xeeb cov khoom rau casting nyob rau hauv silicone pwm). Nyob rau hauv tus ntawm qhov loj ntawm lub piston tsiv raws khiav, thiab ces nyob qhov chaw ntawm cov pwm. Yog li ntawd koj yuav tau txais cov casting. Thaum rhuab, cov yas atoms ntawm uas nws muaj, pib txav across thiab haphazardly. Txawm li cas los pib tsim raws li qhov txias crystallization chaw zov me nyuam. Thaum phab ntsa ntawm lub puab siv lead ua kev loj hlob tshwm sim, ua raws li los ntawm ib tug txheej txheem tshwm sim nyob rau hauv lub casting. Rau ntawm no theem nws yog ib qho tseem ceeb heev mus soj ntsuam cov kub tej yam kev mob, xaiv qhov tseeb tib lub sij hawm. Nyob rau hauv lwm yam yas molding silicone pwm yuav txom nyem zoo, nrog pom ib co kua nplaum ntawm kev sib yuav. Tab sis saum toj no tag nrho cov, peb yuav tsum ua cov ntaub ntawv rau lawv tus kheej, thiab nyob rau hauv uas qhov loj yuav raug muab nchuav rau crystallization.

tsim ntaub ntawv rau casting tshuab

Muaj ob peb txoj kev los mus tsim silicone pwm. Cov Thawj zaug ntawm lawv - ib tug khoom casting. Qhov no txoj kev no yog tsim rau tej yam yooj yim designs: reliefs, souvenir lawm, ob-seem qhov chaw. Tus qauv yog muab tso rau hauv lub tuaj pwm, uas muaj cov silicone. Releasable ntaub ntawv no yog ua los zoo ib yam li yav dhau los ib tug, nws yog siv rau ntau daim. Ob-feem pwm yog manufactured nyob rau hauv ob peb ua sawv. Thawj, thawj ib nrab ntawm cov dawb paug yog lawm ua tus sau, tom qab tua silicone inverted daim ntawv thiab ib tug thib ob feem ua zoo li ntawd. Heev tseem ceeb rau cov tam sim no txoj kev raws li xaiv tshwj xeeb xauv (molding ib tug silicone daim ntawv ntawm no hom yuav tsum muab qhov chaw tsis muaj nws xaav). Qhov tseem zoo li nram no tag nrho cov lus dawb paug daim ntawv "nyob rau hauv lub kis." Nyob rau hauv daim nrog ib tug txhuam mus thov ib tug ncaj khov silicone. Cov txheej txheem yuav siv sij hawm qhov chaw nyob rau hauv ob peb ua sawv, nws yog ib qhov tsim nyog rau ib tug ua tiav repetition ntawm cov me me nuances ntawm cov khoom. Nyob rau hauv cov ntaub ntawv no, daim ntawv nws tus kheej yog heev nyias - 3 hli. Hais tias nws twb tuav daim ntawv nyob rau hauv lub kawg theem tsim lub txheej nyuaj plhaub.

Silicones ua tuaj pwm

Nqus casting nyob rau hauv silicone pwm yuav siv cov ntaub ntawv sib txawv rau tsim matrices. Ib tug ntawm lawv - xws li silicone Pwm Star. Nws yog siv rau cov khoom sau, ib tug txaus muaj zog thiab saj zawg zog. Curing yuav siv sij hawm qhov chaw nyob rau hauv chav tsev kub. Rau cov txheej txheem "nyob rau hauv kis" feem ntau siv ib tug series ntawm Rebount. Qhov no silicone muaj ib tug high viscosity, thiab cov uas muaj peev xwm yuav tswj tau ntawm ib tug thickener. Casting hauv silicone pwm ntawm no zoo yuav ua rau nws tau mus nrhiav tau high-zoo, khoom matrix, thiab, raws li, high-precision nthuav dav. Tseem muaj semi-pob tshab silicones, uas yog zoo tagnrho rau cov phua cov ntaub ntawv.

Ntaub ntawv rau casting

Raws li ib tug txoj cai, rau kev tsim qhov chaw siv lawv tus kheej polyurethane. Cov khoom muaj siab tej yam zog, hardness, elasticity. Ntau dua cov nqi ntawm tensile lub zog, tsim kua muag muaj polyurethane roj hmab. Lawv siv nyob rau hauv qhov siv thiab ua ntau yam bands, thooj voos kheej kheej, nyiaj muas, gaskets, bushings. Thiab txawm siv rau molding ib pob tshab yas. Nws yog heev resistant rau UV rays thiab koom tes rau nws cov transparency txawm thaum nrag. Scope - .. Lo Ntsiab Muag rau ntau yam kev ntsuam xyuas, prototypes nyob rau hauv cov tshuaj, raug aways, etc. Feem ntau, ib tug silicone molding daim ntawv yuav siv cov ob-tivthaiv mixtures, uas muaj xws li yas thiab ncaj qha catalyst.

yas casting nyob rau hauv silicone pwm. cov khoom

Me-scale zus tau tej cov cam khwb cia billets - yog ib tug txheej txheem uas tso cai rau koj mus rau batch replicas ntawm qhov chaw ntawm tej complexity. Heev feem ntau, txoj kev siv los tsim prototypes uas kuaj ua ntej pib serial ntau lawm, cov kawm tiav ntawm tsos tsim.

Muaj molding yas mus rau hauv silicone pwm khoom muab: ib lub tshuab nqus chamber (txhaj tshuaj molding tshuab), qhov cub, lub tshuab nqus tsev tov khoom (tov khoom). Roj hmab yog chiv npaj nyob rau hauv ib lub tshuab nqus chamber, qhov twg cov ntaub ntawv uas Degassing txheej txheem. Qhov no yog los mus tiv thaiv lub tsim ntawm bubbles rau hauv daim ntawv. Thaum daim ntawv tau ua rau casting thiab preheated, mixed tam sim ntawd polyurethanes (los yog resins rau qhov kawg tivthaiv). Qhov no txoj kev tshwm sim nyob rau hauv lub tshuab nqus tsev chamber. Sib tov sib xyaw raug nchuav los ntawm cov sprue rau hauv cov pwm. Rau qhov kawg ua tsim nyog preform muab tso nyob rau hauv ib tug tshwj xeeb qhov cub, qhov twg kawg solidification ntawm cov khoom nyob rau ntawm lub ib tug kub ntawm 70 ° C.

Lub tshuab nqus tsev chamber. Ntsiab nta

Feem ntau, nyob rau hauv ntau lawm scale siv automatic casting nyob rau hauv silicone pwm. Khoom, namely ib lub tshuab nqus chamber, thiab tso cai rau koj los tswj qhov kub thiab casting ceev. Tus tswj hwm tsis tau tshwj xeeb cov kev txawj thiab kev paub, raws li kev tswj yog muab los ntawm cov operating system, uas muaj ob qho tib si tsis siv neeg thiab los ntawm txhais tes switching. Muaj ib lub sij hawm thiab kho kom raug xaiv kev pab cuam. Ntau yam kev hloov kho mus rau lub preform lag muaj peev xwm ntawm ua mus txog rau 5 kg (e.g., lub koob yees duab ST-02). Installation yog txawm peem rau nrog ib tug elevator tsa lub silicone pwm. Nws yog ib nqi sau cia hais tias lub system ntawm lub ST-02 yuav siv tau raws li me me thiab heev hnyav matrix.

Lwm cov kev xaiv - MCP koob yees duab. Cov khoom rau casting nyob rau hauv ib tug silicone pwm yuav ua rau nws tau los tsim qhov chaw nrog nyias cov phab ntsa thiab ib tug complex configuration. Qhov no tus txheej txheem yog vim lub differential siab. Ces, lub resulting casting yog muab tshem tawm, thiab tom qab ntawd nws solidifies nyob rau hauv cov huab cua. Nqus casting nyob rau hauv silicone pwm rau ib co hom yas tiav nyob rau hauv ib qhov cub rau muab uniform cua kub ntawm huab cua, thiab yog li cov workpiece.

Kawg ua cam khwb cia billets

Tom qab ib lub hnab yas loj solidifies kiag li, nws twb ua tib zoo muab tshem tawm los ntawm cov pwm. Tshwm sim machining chaw, stripped thiab muab tshem tawm protrusions yog av irregularities. Yog hais tias qhov kev kawm preform yog coated los yog xim los yog lwm yam kev tiv thaiv cov ntaub ntawv uas. Yuav tsum tau ntxuav thiab silicone pwm, tshem tawm cov tshaj yas. Ces nws twb ntxuav, npaj rau tom ntej siv. Nws yuav tsum tau muab sau tseg tias nyob rau hauv hnab yas molding silicone pwm yuav tus ua siv ntawm matrices (20 mus rau 80 lub sij hawm).

Lub ntsiab zoo ntawm txoj kev

Me-scale lawm yog tsim dynamically, nws yuav qualitatively ntsuam xyuas kev ua lag luam, mus kuaj cov khoom rau tsim cim tej hauj lwm ntawm authorship nyob rau hauv ib tug me me npaum li cas. Silicone pwm uas yog siv nyob rau hauv txhaj tshuaj molding, tau tso cai rau tag nrho luam cov kev ntxhib los mos, zoo lawm, tus preform tsim. Nthuav dav yooj yim tso tawm los ntawm lub matrix, uas kuj yuav siv tau dua. Castings muaj ib tug tsawg kawg nkaus naj npawb ntawm cov nto tsis xws luag, zoo lub cev thiab txhua yam khoom. Nyob rau hauv tas li ntawd, nyob rau hauv tej rooj plaub, txawm lub silicone pwm hlau yuav raug muab nchuav.

Tab sis lub ntsiab zoo dua ntawm cov uas yog nrum hauv silicone pwm - nqi. Lwm tus neeg ntawm cov kev pab cuam ntawd hais tias qhov kawg tus nqi ntawm lub preform yuav yog nyob ntawm seb cov khoom siv thiab tej khoom los ntawm tsis (e.g., luaj li cas ntawm dawb paug 10 * 10 * 10 cm yuav dispense 1500 rubles). Roj hmab nws tus kheej yuav tsum tau muas ntawm 500 rubles ib kilogram, yas - los ntawm 700 rubles. Tus nqi ntawm cov hlau pwm yog siab txaus rau lub sij hawm mus siv rau lawv tsuas tawg paj txi txiv (yog hais tias tus ncig ntawm ob peb chav nyob). Ib tug tsim silicone matrix thiab nyob rau hauv lub tsev siv, mus yuav kim cov khoom yog tsis tsim nyog. Ib tug muaj tsuas mus ua lawv tus kheej layout, coj mus rau hauv tus account lub neej ntawm polyurethanes (lub sij hawm nyob rau hauv uas lawv nyob twj ywm ua kua thiab haum rau pouring), ua raws li tag nrho cov kev siv technology tshiab nuances - thiab casting nyob rau hauv silicone pwm yuav txawm nqa lub tsev. Raws li suav, tus nqi ntawm ib tug preform nyob rau hauv lub tam sim no cov ntaub ntawv - txog 70-140 rubles.