Xa kukho umnqweno ukwenza ifowuni yakho elektroniki, kuyimfuneko ukuba Stock phezulu intsimbi ngelotha, solder kunye rosin. Kakade ke, musa ukulibala malunga neenkcukacha zeli scheme ngqo, kodwa sinomdla ekwandiseni umgangatho inkqubo ngelotha na. Yiloo nto kufuneka rosin thina? Kuyo, thina ngoku ukuxoxa.
Yintoni Rosin?
Mhlawumbi ukhe waqaphela ezivenkileni, ezijolise ekuthengisweni components nokudalwa iimveliso zayo, into yiglasi engafihli ukuba ngandlel efanayo yegolide evuthiweyo njengoko imbonakalo yakho kunye nombala. Le rosin pine. Kuba okokuqala le nkcazelo iye yafunyanwa kwisixeko yesiGrike isigcino, kwaye ekuqaleni ngokuba "intlaka kolofonskoy." Baya kumbiwa ukusukela turpentine nentlaka. Kubhaliwe efunyenwe iintlobo ezahlukeneyo pine, bazahlule kuyo turpentine kunye nezinye izinto ezililize esebenzisa kuhlamba ngomphunga. Ngelo xesha onke ubumdaka non-aziphethe zadityaniswa. Neyanamhlanje lwaqhutywa usebenzisa ipere lobushushu ogama degrees 200. Eli nani akuthethi kukhokelela yokubola rosin.
modernity
Ngoku Rosin ingafumaneka kwi iinkuni nompleyini ungacolwanga ngoncedo izinyibilikisi ezizodwa okanye eziveliswa ukusuka oyile ende okanye kwincindi. Kungakhathaliseki indlela iintlobo ezifana bodwa:
- Pine.
- Tall.
- Gesi.
Modern rosin 60-90 ekhulwini siquka abietic acid resin, 1-12% of okunamafutha acid kunye khompawundi cala (ezifana triterpenoids, diterpenoids kunye sesquiterpenoids). Yinto upheliswe ngamanzi, kodwa utywala, iEtere, benzene, acetone kunye okubi kancinane separafini unakho ukuba enze njalo. Ngama-40 rosin iqala ukuthambisa, yaye 100 sele ndiyilibele yonke. Xa lobushushu kufika kumgomo we-250, oko amathumba. Ukuba songeza izimbiwa kunye izinto eziphilayo, ufumana isepha. Ukuba ukunyibilika kwayo kuloo polyol, ngoko uya kuba Ester rosin. Njengoko ubona, ezininzi izicelo. Kakade ke, into eyenzwe ukuyenza xa rosin pine ngesandla. Umenzi kufuneka aqinisekise ukuba neemveliso zanelisa zonke iimfuno imigangatho karhulumente (akukho ubumdaka zangaphandle okanye into enye).
izakhiwo
Ngokwabo ilifa iimpawu ngcono pine rosin. GOST 19113-84 iqinisekisa ukuba iimveliso yalo idinga ukuhlangabezana nemigangatho umgangatho nokhuseleko ngenxa abantu abasebenza ngayo. Uqala wambongoza kwi ubushushu degree 68. Kwakhona phantse akukho acid okunamafutha. Le rosin ithathwa ngokuba izinto zendalo ngokupheleleyo kwaye indalo. It has umbala yegolide evuthiweyo. Ukumbiwa Talovaya rosin ingqalelo ngumntu. Ahluke, kunye nombala zabo. Kodwa nangona iindlela ezahlukeneyo yokulungiselela, iimpawu zazo zithathwa ukuba ukusondela yintoni na imveliso yendalo, nto leyo a rosin pine. kakhulu ukuba kukubamba na oluncediswayo, leyo phakathi iindawo xa usebenzisa lo kuyilo. Kwakhona le rosin iye detergency elungileyo yaye luchukumisa (kuba kaEtere kunye notywala izisombululo) Iipropati. Le yokugqibela yakhokelela ukusetyenziswa kwayo njenge arhente ngamanzi. Kananjalo oku kusetyenziswa iglu.
Isicelo practice
Isicelo main namhlanje - ukuba kuncedisa ngexesha iinxalenye metal ngelotha. Ngoko ke, njengoko pine rosin ngelotha ekubhobhozeni ebonisa iziphumo ezidibanisayo. Ngaphandle kokuba kukho inani elikhulu uphando kwemichiza mihla, oko isasetyenziswa nangoku elektroniki kunye nobunjineli yombane. Ngoko ke, lo rosin nompleyini olutyhidiweyo ngaphandle iingxaki ukuphelisa umaleko oxide into phezu komhlaba amalungu ukuba soldered. Kubalulekile kukuba kunciphisa imeko phezu le solder. Oku kwenza kube ngakumbi ngokulinganayo lwandile-moya ukusebenza. Ukusetyenziswa obhobhozayo enjalo kwandisa umgangatho solder esetyenzisiweyo. Kwakhona unalo isiphumo ethile yokhuselo nxamnye bume ezahlukeneyo umphunga voice. Kwakhona, ukuba kulondolozwe popularity and nempembelelo cala asidi. Oku Bulelani ukuba ukusetyenziswa okubonakalayo imvelaphi yendalo. Ngoko ke, ngelotha abawuthobeli umhlwa ngaphaya kwexesha kwaye akukho ukuvuza yangoku. Ukubaluleka othile oku ngexesha indibano iintambo zobuchwepheshe. Kwakhona, pine, Talovaya kunye rosin zinokusetyenziswa kunye baligalele olunyulu umlinganiselo we-4 ukuya 6 ukufumana wampompoza ulwelo. Sebenzisa rosin angase abo ubambe yentsimbi ngelotha okokuqala ebomini bam. Okokuqala, kufuneka zilifudumeza Ulwamvila, iyithi nkxu kwi kweziyobisi zibambene. zaye ke athathwa solder, olusetyenziswa kumphezulu solder kunye neenkcukacha. Ukuba kuyimfuneko, sebenzisa kwincam ngelotha kufuneka zisasazwe ngokulungelelana. Ngenxa yoko, kufuneka ukufumana mass monolithic, eziya ukudibanisa kunye yonke into eyimfuneko. Yiba isicelo kwezinye iinkalo zezinto ezenziwa luluntu. Ngoko ke, rosin ngokwemveli kusetyenziswa tipakani imitya zezixhobo zomculo ezineentambo, ngokungathi ukuba uyiva kwi imeko lomgubo, unako ukufumana iziphumo umsi ezikumgangatho ophezulu.
isiphelo
Njengoko ubona, rosin sisixhobo ngempumelelo kakhulu kwiinkalo ezininzi. Nobunkokeli siphakathi zonke iintlobo pine yendalo ohlala kweziyobisi. Ukuba ufuna ukwazi yonke into eyenza rosin pine, GOST 19113-84 uncedo nawe lo.