Chisoni jekeseni

Rim Kodi

Rim watsopano ndondomeko njira yopangira chachikulu ndi mankhwala yaikulu kuchuluka mofulumira. Rim zimachitika monomer kapena chisanadze polima (zipangizo PU) mu chikhalidwe madzi ndi chiwerengero ena amene anayeza ndi metering mpope kusanganikirana mu kusakaniza mutu wa nkhungu. Pambuyo osakaniza kubayidwa mu nkhungu pa otsika chilengedwe kuthamanga / chipinda kutentha, izo ayankhe mofulumira ndi mtanda yolumikiza yochiritsa. Patapita mphindi khumi, adzakhululukidwa Unalimbitsa, kenako kumasula izo kwa nkhungu, gawo limenelo ndi Rim mankhwala. Ntchito imeneyi wosalira monga: yosungirako, muyeso, wosakanizidwa, nkhungu kudzazidwa ndi akuchiritsa, demould ndipo pambuyo processing.

The ndondomeko ya Chisoni jekeseni akamaumba

1) yosungirako
awiri yaiwisi madzi kugwiritsidwa ntchito mu ndondomeko Rim anali kusungidwa mu awiri mosungiramo pa kutentha zina, mosungiramo ndi ambiri kuthamanga chotengera. Mu akamaumba, stoste zambiri mu 0.2 ~ 0,3 MPa mochedwerako mu posungira, ndipo kufalitsidwa zonse mu posungira, ndi kuzizira kutentha ndi kusakaniza mutu. Koma polyurethane, pafupifupi kutentha kwa stoste ndi 20 ~ 40 ℃, yolondola kulamulira kutentha ndi ± 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 . 

Mfundo Rim

General wamba utomoni: polyurethane utomoni, vinilu Ester, amide Ester utomoni, utomoni unsaturated, epoxy utomoni ndi chikhalidwe chuma gulu, etc. 
zambiri zakuthupi: HD-PU4210, DCP-Rim, AXSON-Rim 875, etc.

PS: The akuchiritsa nthawi ya Rim zimachitika makamaka ndi akamaumba zinthu chiphunzitso ndi kukula mankhwala kusankha. Komanso, Rim mankhwala funika zikuchitika akuchiritsa chachiwiri atamasulidwa ku nkhungu. Ndipo ngati Rim ndondomeko tofa (mphindi 15-30 / gawo) ndi mkulu-cholondola, woyenera kubala chiwiya ndi mankhwala yaikulu kukula, ndi kukula kwa lalikulu kuponyera gawo ndi 2000mmX1200mmX1000mm, chifukwa 10KG.

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