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Chwistrellu Adwaith - Shenzhen Youde Prototeip cyfyngedig
Mae'r broses o Adwaith Mowldio Chwistrellu
Dau deunydd hylif crai a ddefnyddir yn y broses RIM yn cael eu storio mewn dwy gronfa mewn rhai tymheredd, cronfa ddŵr yn gyffredin llestr gwasgedd. Yn mowldio, stoste fel arfer yn 0.2 ~ 0.3 ACM gwasgedd isel yn y gronfa, ac yn cylchredeg yn gyson yn y gronfa, cyfnewidwyr gwres a chymysgu pen. Fel ar gyfer polywrethan, mae tymheredd cyfartalog stoste yw 20 ~ 40 ℃, cywirdeb rheoli tymheredd yn ± 1 ℃.
Measurement will be finished by the metering pump , and requirements for measuring accuracy is at least be ± 1.5%, and the best control should at ± 1%.
In RIM process , product quality is largely depend on the quality of mixture in the mixing head , so does the production capacity . The normal pressure is about 10 Mpa in order to get the better effect .
The characteristic of RIM process is the material flow rate is very high .Then stoste’s viscosity can not be very high .Such as the viscosity of polyurethane mixture is about 0.1 Pa s.and flow rate control at 600 g/s in mold falling .
Polyurethane two-component mixture have very high reactivity after injected in the mold ,so it complete curing in ten more minutes .But plastic’s conductivity is not good , so most heat can not release from a large chemical reaction condition , so that the outside temperature are higher than inside, so the curing development is from inside to outside .
Demold also means we need release the cured part from the mold , and that part is the RIM product . And more quantity can be produced as the above process .
It is according to customers’requirements .
Deunydd ar gyfer CANT
Resin Cyffredinol cyffredin: resin polywrethan, ester finyl, amide resin ester, resin annirlawn, resin epocsi a deunydd cyfansawdd traddodiadol, ac ati
deunydd Fel arfer: HD-PU4210, DCP-CANT, AXSON-CANT 875, ac yn y blaen.
PS: Mae'r amser halltu o broses CANT yn bennaf gan y penderfyniad ffurfio deunydd mowldio a maint y cynnyrch. Yn ogystal, mae cynhyrchion CANT angen mynd ar yr ail halltu ar ôl eu rhyddhau o'r mowld. Ac fel proses CANT yn gyflym (15-30 munud / darn) ac uchel-gywirdeb, yn addas i gynhyrchu swm mawr a chynhyrchion maint anferth, a maint mwyaf rhan castio yn 2000mmX1200mmX1000mm, er 10kg.
Anfonwch eich neges i ni:
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Cyfeiriad: Jingshan industrial park No 271 Songming Ave, Songgang Town, Bao'an District, Shenzhen, China
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