Reaction Allura

Mene ne baki

Rim ne wani sabon tsari hanya don samar da manyan size da kuma babbar yawa kayayyakin hanzari. Rim tsari ne monomer ko pre-polymer (PU kayan) a cikin ruwa a jihar tare da wasu rabo wanda auna da metering famfo hadawa a hadawa shugaban wani mold. Bayan da cakuda a allura a cikin mold karkashin wani low matsa lamba / dakin da zazzabi yanayi, shi zai m amsa da giciye-haxe magance. Bayan goma more minti, shi za a ƙarfafa, sa'an nan saki da shi daga mold, cewa wani ɓangare ne baki samfurin. Wannan tsari za a iya Sauki kamar: ajiya, ji, matasan, mold cika da magance, demould da post-aiki.

Kan aiwatar da Reaction Allura Molding

1) Storage
biyu raw ruwa kayan amfani a cikin baki aiwatar da aka adana a cikin biyu tafki a wasu yanayin zafi, tafki ne fiye matsa lamba jirgin ruwa. A gyare-gyaren, stoste yawanci a 0.2 ~ 0.3 MPa low matsa lamba a tafki, kuma zagawa da kullum a tafki, zafi exchangers da kuma hadawa kai. Kamar yadda na polyurethane, da talakawan zafin jiki na stoste ne 20 ~ 40 ℃, da yawan zafin jiki kula daidaito ne ± 1 ℃.
2)Measurement
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%.
3) Hybrid
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 .
4) Mold falling
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 .
5) Curing.
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 .
6) Demold 
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 .
7) Post-Process 
It is according to customers’requirements . 

Abu don Rim

Janar kowa guduro: polyurethane guduro, roba ester, amide ester guduro, unsaturated guduro, epoxy guduro da kuma na gargajiya kumshin abu, da dai sauransu 
yadda aka saba material: HD-PU4210, DCP-baki, AXSON-baki 875, da dai sauransu.

PS: The magance lokaci na baki tsari ne yafi da gyare-gyaren kaya halitta da samfurin size yanke shawara. Bugu da kari, baki kayayyakin bukatar faruwa na biyu magance bayan saki daga mold. Kuma kamar yadda Rim tsari ne m (15-30 minti / yanki) da kuma high-daidaici, shi shige, don samar da babban yawa da kuma babbar size kayayyakin, da kuma girman da babbar simintin bangare ne 2000mmX1200mmX1000mm, domin 10KG.

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