umbuzo:
UPutty uzizwa esindwa
Ngesikhathi sokwakhiwa kwe-putty, abanye abantu bazohlangana nesimo sokuthi isandla sizizwa sinzima. Siyini isizathu esiqondile? Ingathuthukiswa kanjani?
Izizathu ezijwayelekile zokuthi kungani i-putty izizwa isindayo yilezi:
1. Ukusetshenziswa okungalungile kwemodeli ye-viscosity ye-cellulose ether:
Kulokhu, i-viscosity ye-cellulose ether ngokuvamile iphakeme kakhulu, futhi i-putty eyenziwe izozizwa isindayo ngesikhathi senqubo yokukhuhla;
Esinye isizathu ukuthi ngesikhathi sokwakhiwa ehlobo, ukusetshenziswa kwe-hydroxypropyl methylcellulose ether enezinga eliphansi lokushisa eliphansi lokushisa kungase kubangele ukuthi i-putty ilahlekelwe yi-viscosity, okuzothinta ukuzwa kokwakhiwa.
2. Isilinganiso esingalungile noma ukucoleka kwempushana:
Ngokuvamile, kunezinto eziningi ze-inorganic gelling, noma ubuhle bokugcwalisa okukhethiwe kuhle kakhulu, okujwayele ukunamathela emmese;
Kungenzeka futhi ukuthi ukuze kuncishiswe izindleko, azikho noma izithasiselo ezingaphansi zokuthuthukisa umuzwa wesandla zengezwe, njengama-starch ethers nama-lubricants e-thixotropic.
Izindlela zokuthuthukisa 1
Isilinganiso esifanelekile se-raw material nokukhetha ukucoliseka
Ubucwebe bempahla eluhlaza iyonke bungalawulwa ku-150-200 mesh, futhi ubuhle bokugcwalisa ngokuvamile bungaba yi-325 mesh, hhayi inhle kakhulu;
Inani le-polyvinyl alcohol eliyimpuphu akufanele lidlule u-6%;
Kuyadingeka futhi ukufunda ukunciphisa inani lezinto ezingaphili zikasimende. Ngokuvamile, kwanele ukulawula usimende ku-28% -32%, futhi usebenzise izithasiselo ukuze uthuthukise ukusebenza kwawo ngokugcwele.
Indlela yokuthuthukisa 2
Khetha i-cellulose ether efanele
Ngokuvamile, sincoma i-hydroxyethyl methyl cellulose ether ngokusebenza okungcono, enokumelana okungcono kakhulu kwezinga lokushisa eliphezulu futhi engakwazi ukuzivumelanisa kahle nokwakhiwa kwehlobo futhi inciphise izindleko zokushintshisana zasebusika nehlobo;
Isihluthulelo ukukhetha i-ether cellulose ene-viscosity efanelekile. Ngokuvamile, i-cellulose ether ene-viscosity engu-80,000 kuya ku-100,000 yanele ku-putty powder, kodwa inani le-cellulose ether elengeziwe kufanele linqunywe ngokuhlolwa kokwakha okunengqondo!
Izindlela zokuthuthukisa 3
Engeza izithasiselo ukuze uthuthukise ukuzwa kwesandla
Okokugcina, singacabangela ukwengeza isitashi ether noma i-thixotropic lubricant (bentonite) ukuze sithuthukise umuzwa wodaka;
Khumbula: inhlanganisela yefomula yesayensi iyisihluthulelo sokuxazulula inkinga!
Isikhathi sokuthumela: Feb-10-2023