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Pogledaj Punu Verziju : Kopiranje predmeta kalupnim silikonom za visekratnu upotrebu



nostromo
09-04-2013, 21:51
Otopljeni silikon polako sipati u casu u kojoj smo zalepili sediste i to uvek pored dela koji zalivamo silikonom da ne bi
ostali mehurici vazduha sto moze dovesti do greske na odlivku kasnije.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_14.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/14.jpg)

Sada casu sa zalivenim delom lupkati o radni sto i casu pritiskati pomalo da bi se mehurici popeli gore tj. da ne bi
ostali na zalivenom sedistu. Pri tom paziti da casa ne pukne sto se lako moze desiti zbog topline silikona.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_15.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/15.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_16.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/16.jpg)

Ako vam se desi da malo prospete silikon, samo ga ostavite da se ohladi i osusi i posle ga odvojte od povrsine
na kojoj je bio prosut i vratite ga u posudu za topljenje.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_17.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/17.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_18.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/18.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_19.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/19.jpg)

Najzad, stavimo casu u zamrzivac na jedno 45 minuta da se ohladi i stvrdne.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_20.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/20.jpg)

Kada se sve lepo ohladilo i stvrdlo, izvadimo iz friza i casu odvojimo od kalupa.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_21.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/21.jpg)

Zasecemo kalup lagano i precizno sa zadnje strane sedista i izvadimo original iz kalupa.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_22.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/22.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_23.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/23.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_24.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/24.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_25.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/25.jpg)

Pripremimo mesavinu za livenje.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_26.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/26.jpg)

Vrlo malo uduvamo odvajac u kalup tako da ne bude previse ali ni premalo maziva. Stvar osecaja koji se vremenom
razvije posle vise livenja i gresaka koje cete sigurno napraviti.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_27.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/27.jpg)

I na kraju lijemo u kalup lagano. Na kraju livenja ponoviti ono lupkanje po stolu i pritiskanje kalupa da se tecnost
ravnomerno razlije.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_28.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/28.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_29.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/29.jpg)

Nakon livenja staviti kalup u vakuum komoru koju mozete napraviti od neke posude koja dobro zaptiva i bilo kog
jaceg kompresora za frizider. Ukljucite vakuum pumpu i izvlacite mehurice iz kalupa tj. iz odlivka.
Svaki kompresor ima ulazni i izlazni deo sto znaci da moze da bude ili kompresor ili vakuum pumpa u zavisnosti od
toga na koji deo prikacite crevo.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_30.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/30.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_31.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/31.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_32.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/32.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_33.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/33.jpg)

Kada se odlivak stvrdne i osusi posle nekog vremena koje zavisi od vrste smole za livenje, vadimo gotov odlivak iz
kalupa. I voila, imate jos jedno sediste ili bilo koji drugi zeljeni deo makete :)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_34.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/34.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_35.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/35.jpg)
http://i743.photobucket.com/albums/xx79/x_t0m0/th_36.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/36.jpg)

A ovako izgleda pakovanje Resimolda od 900g.
http://i743.photobucket.com/albums/xx79/x_t0m0/th_37.jpg (http://i743.photobucket.com/albums/xx79/x_t0m0/37.jpg)

Sa ovim silikonom se mogu liti predmeti od bilo kog materijala kao sto je poliester, razne kompozitne smole, cement, gips,
vosak (uz koriscenje hladjenja kalupa)...

nostromo
12-04-2013, 20:03
Ono sto sam zaboravio da napomenem u vezi ovog kalupnog silikona, a vrlo je vazno jeste da kada
se formirani kalup ishaba, jednostavno se ponovo pretopi i ponovo formira ili se formira neki drugi kalup.
To bitno smanjuje troskove vezane za livenje predmeta.