6-mavzu. Metallarni payvandlash va kavsharlash. Reja


-rasm. Freza va turlari 74-rasm


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6-mavzu. Metallarni payvandlash va kavsharlash.

73-rasm. Freza va turlari




74-rasm. 6N81 universal- frezdlash stanogining umumiy ko’rinishi.
6N81 modelli universal frezalash stanogining texnikaviy
harakteristikasi:
Ish stolining yuzi, mm2 hisobida . ................................................320 X 1250
Ish stolining eng uzun yo’li, mm hisobida:
buylama yo’li.................................................................................................700
ko’ndalang yo’li.............................................................................................260
vertikal yo’li................................................................................................ 380
Stolning eng katta burilish burchagi...............................................................45°
SHpindelning aylanish chastotalari soni........................................................18
SHpindelning minutiga aylanishlar soni chegaralari........................31,5—1600

Stolning surilish qiymatlari soni va chegaralari: mm/min hisobida:...............18


buylama surilishi........................................................................................25-M250
ko’ndalang surilishi................................................................................. 25-7-1250
vertikal yo’nalishda...................................................................................83-T-400
Asosiy harakat elektr dvigatelining kuvvati, kvt hisobida ................……. 7
minutiga aylanishlar soni...................................................................................1440
Surish harakat elektr dvigatelining kuvvati, kvt hisobida..................................1,7
Stanokning gabarit o’lchamlari............................................2260 x 1745 x 1660 sm.
Ba’zi zagotovkalarni mahkamlashga ketadigan vaqt frezalashga ketadigan umumiy vaqtning anchagina qismini tashkil etadi. SHu sababli ba’zi zagotovkalarni frezalashda havo yoki suyuqlik bilan ishlaydigan maxsus va tezsikar moslamalar ishlatiladi. Bu moslamalardan asosan ko’p seriyali va yalpi ishlab chiqarish korxonalarida foydalaniladi.

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