labarai

Tsarin pultrusion hanya ce ta ci gaba da yin gyare-gyaren da za a bi da fiber ɗin carbon da aka haɗa tare da manne ta cikin ƙirar yayin da ake warkewa.An yi amfani da wannan hanyar don samar da samfurori tare da hadaddun sifofi masu rikitarwa, don haka an sake fahimtar ta a matsayin hanyar da ta dace don samar da yawan jama'a da inganta ingantaccen samarwa, kuma amfani da shi yana karuwa.Koyaya, matsaloli kamar bawo, fashewa, kumfa, da bambance-bambancen launi sau da yawa suna faruwa a saman samfurin yayin aikin pultrusion.

碳纤维复合材料拉挤成型-1

Fitowa
Lokacin da barbashi na resin da aka warke suka fito daga cikin mold a saman sashin, ana kiran wannan al'amari flaking ko flaking.
Magani:
1. Ƙara zafin ƙarshen ciyarwar mashigai na farkon mold na resin da aka warke.
2. Rage saurin layin don yin maganin guduro a baya.
3. Tsaya layin don tsaftacewa (30 zuwa 60 seconds).
4. Ƙara ƙaddamar da ƙaddamar da ƙananan zafin jiki.

Kumburi
Lokacin da blister ke faruwa a saman sashin.
Magani:
1. Ƙara yawan zafin jiki na ƙarshen mashigai don sa guduro ya warke cikin sauri
2. Rage saurin layin, wanda ke da tasiri iri ɗaya da matakan da ke sama
3. Ƙara matakin ƙarfafawa.Sau da yawa ana haifar da kumfa ta hanyar ɓoyayyun abubuwan da ke haifar da ƙarancin fiber abun ciki na gilashi.

Tsagewar saman
Tsagewar saman yana haifar da raguwa mai yawa.

碳纤维复合材料拉挤成型-2

Magani:
1. Ƙara yawan zafin jiki don haɓaka saurin warkewa
2. Rage saurin layin, wanda ke da tasiri iri ɗaya da matakan da ke sama
3. Ƙara abun ciki na kayan aiki ko gilashin fiber na filler don ƙara ƙarfin ƙarfin resin-arziƙi, don haka rage raguwa, damuwa da fasa.
4. Ƙara kayan kwalliya ko mayafi zuwa sassa
5. Ƙara abun ciki na masu ƙaddamar da ƙananan zafin jiki ko amfani da masu farawa ƙasa da yanayin zafin yanzu.
 
Tsagewar ciki
Ƙunƙarar ciki yawanci ana haɗa su da wani yanki mai kauri fiye da kima, kuma tsaga na iya bayyana a tsakiyar laminate ko a saman.
Magani:
1. Ƙara yawan zafin jiki na ƙarshen ciyarwa don warkar da guduro a baya
2. Rage mold zafin jiki a karshen mold kuma amfani da shi azaman zafi nutse don rage exothermic ganiya.
3. Idan ba za a iya canza yanayin zafin jiki ba, ƙara saurin layin don rage yawan zafin jiki na waje na ɓangaren da kuma exothermic peak, don haka rage duk wani damuwa na thermal.
4. Rage matakin masu farawa, musamman maɗaukakin zafin jiki.Wannan shine mafi kyawun mafita na dindindin, amma yana buƙatar wasu gwaji don taimakawa.
5. Maye gurbin mai ƙaddamar da zafin jiki mai girma tare da mai ƙaddamarwa tare da ƙananan exotherm amma mafi kyawun maganin warkewa.
碳纤维复合材料拉挤成型-3
Chromatic aberration
Wuraren zafi na iya haifar da raguwar rashin daidaituwa, yana haifar da aberration na chromatic (aka canza launin launi)
Magani:
1. Bincika na'urar dumama don tabbatar da cewa yana cikin wurin don kada a sami daidaiton zafin jiki akan mutu
2. Bincika haɗin guduro don tabbatar da cewa filler da / ko pigments ba su daidaita ko raba (bambancin launi)
 
Low taurin bas
Low barcol taurin;saboda rashin cikakkiyar waraka.
Magani:
1. Rage saurin layin don haɓaka maganin guduro
2. Ƙara mold zafin jiki don inganta curing kudi da curing digiri a cikin mold
3. Bincika gaurayawan hanyoyin da ke haifar da ƙera filastik
4. Bincika wasu gurɓatattun abubuwa kamar ruwa ko pigments waɗanda zasu iya shafar adadin magani
Lura: Karatun taurin Barcol yakamata a yi amfani da shi kawai don kwatanta magunguna da guduro iri ɗaya.Ba za a iya amfani da su don kwatanta magunguna da resins daban-daban ba, kamar yadda ake samar da resin daban-daban tare da takamaiman glycols na kansu kuma suna da zurfi daban-daban na crosslinking.
碳纤维复合材料拉挤成型-4
Kumfa na iska ko pores
Kumfa na iska ko pores na iya bayyana a saman.
Magani:
1. Bincika don ganin yawan tururin ruwa da sauran ƙarfi ana haifar da su yayin haɗuwa ko saboda rashin dumama.Ruwa da kaushi suna tafasa da ƙafe yayin aikin exothermic, haifar da kumfa ko pores a saman.
2. Rage saurin layin, da/ko ƙara yawan zafin jiki, don shawo kan wannan matsala mafi kyau ta ƙara ƙarfin guduro na saman.
3. Yi amfani da murfin ƙasa ko ji.Wannan zai ƙarfafa resin saman da kuma taimakawa wajen kawar da kumfa na iska ko pores.
4. Ƙara kayan kwalliya ko mayafi zuwa sassa.

Lokacin aikawa: Juni-10-2022