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Rim ke eng

Rim ke motjha thulaganyou e tsela bakeng sa ho hlahisa boholo kgolo le lihlahisoa e khōlō mangata ka potlako. Rim thulaganyou e ke monomer kapa pele ho polymer (thepa Pu) boemong mokelikeli ka tekanyo e itseng eo lekanngoa ke metering pompo tsoaka ka ho kopanya hlooho ea hlobo e. Mora motsoako ho tshelwa ka hlobo e ka tlas'a tlaase tikoloho ya khatello ea / kamoreng mocheso, le tla ka karabelo ka potlako 'me sefapano tsoang phekole. Ka mor'a metsotso e leshome ho feta, ho tla ile ea tiisa, 'me joale lokolla ho tswa hlobo e, karolo eo e Rim sehlahisoa. Tshebetso ena e ka tsela e bonolo e le: a polokelo, go lekanya, lebasetere, hlobo tlatselletsa le ho phekola, demould le poso-e lokisa.

Tsela ea kamoo ba ileng ente bōpa

1) Storage
peli tala mokelikeli tse bonahalang sebelisoa mosebetsing oa ho Rim ne bolokoa tse peli pokello ka thempereichara e itseng, pokello e ka tloaelo khatello ea sejana. Ka ho bōpa, stoste hangata ka 0,2 ~ 0,3 MPa khatello e tlaase ka pokello, 'me e potoloha kamehla ka pokello ea, le phapanyetsano ea mocheso o matla le ho kopanya hlooho. Ha e le kettle, ka karolelano mocheso oa stoste e 20 ~ 40 ℃, ho nepahala taolo mocheso ke ± 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 . 

Lintho tse bonahalang bakeng sa Rim

Kakaretso ho tloaelehile hore batho lehoakhoa: kettle lehoakhoa, vinyl Ester, amide Ester lehoakhoa, lehoakhoa unsaturated, epoxy lehoakhoa le tsa moetlo tse bonahalang le likarolo tse ngata, joalo-joalo 
tloaelo lintho tse bonahalang: HD-PU4210, DCP-Rim, AXSON-Rim 875, joalo-joalo.

PES: The phekole nako ya Rim thulaganyou e ke haholo-holo ke ho bōpa lintho tse bonahalang paakanyong le boholo sehlahisoa liqeto. Ho phaella moo, Rim lihlahisoa hlokahale etsahalang phekole bobeli ka mor'a ho lokolloa, hlobo e. Le ka Pel'a thulaganyou e ke ho itima lijo (metsotso 15-30 / sengoathoana) le tse phahameng-sebetsa ka ho nepahetseng, ho amoheloa ho hlahisa ngata le lihlahisoa e khōlō ka boholo, 'me boholo ba kholo ka ho fetisisa ho betsa karolo e 2000mmX1200mmX1000mm, bakeng sa 10kg.

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