8.6-rasm. Plazma yordamida eritib purkash sxemasi:
a. Bevosita; b. Bilvosita 1. Volfrom elektrod; 2. Yoy; 3. Gorelka
soplosi; 4. Soplo kanali; 5. Payvandlanadigan detal; 6. Plazma oqimi.
Tayanch iboralar:
payvandlash, chok, suyuqlanish jarayoni,
suyuqlantirib qoplash, detanatsion, elektr yoyi yordamida eritib qoplash,
plazma, atsetelin, generator, reduktor, injektorli gorelka, injektorsiz
gorelka, plazma, gaz alangasi.
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Sakkizinchi bobga doir test topshiriqlari
1. Detallarni gazatermik eritib purkash tiklashning qanday
usullari mavjud?
A) elektr yoyi yordamida eritib purkash, gaz alangasi yordamida
eritib purkash, plazma yordamida eritib purkash, katta chastotali eritib
purkash, detanatsion eritib purkash
B) gaz alangasi yordamida eritib purkash, plazma yordamida
eritib purkash, katta chastotali eritib purkash, detanatsion eritib
purkash
C) elektr yoyi yordamida eritib purkash, plazma yordamida eritib
purkash, katta chastotali eritib purkash, detanatsion eritib purkash
D) elektr yoyi yordamida eritib purkash, gaz alangasi yordamida
eritib purkash, katta chastotali eritib purkash, detanatsion eritib
purkash
2. Qanday usul yeyilgan detallarning ishlash imkoniyatini
tiklash va dekorativ qoplam hosil qilishda qo‘llaniladi?
A) Xromlash usuli
B) Payvandlash usuli
C) Botirish usuli
D) Cho„ktirish usuli
3. Detal yuzasini sifati nima bilan xarakterlanadi
A) yuza sirtini g„adir budirligi
B) yuza sirti silliqligi
C) yuza sirti tekisligi
D) yuza sirtini silliqligi, g„adir budirligi.
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