B yuza yarim toza yo‘nilsin. Kesuvchi asbob: T15K6 markali qattiq qotishmadan tayyorlangan Tokarlik o’tuvchi keskich, SDJSR/L1010E07, plastinasi klin bilan mahkamlangan. Kesish chuqurligi: t=1.3 mm
=0.49 mm/ayl ([3] 3-karta, 38-b) Qora ishlov berish uchun koeffitsientlarni aniqlash ([3] 5-karta, 42-45-b):
-keskich ushlagich ko‘ndalang kesimi koeffitsienti
-keskich kesuvchi qismi mustahkamligi koeffitsienti
-ishlov berilayotgan material mehanik hossalari koeffitsienti
-zagatovkani o‘rnatish sxemasi koeffitsienti
-zagotovka yuzasi holat koeffitsienti
-keskich kesuvchi qismi geometriyasi koeffitsienti
-dastgoh bikrligi koeffitsienti
-karusel dastgohlarida polzunni siljish koeffitsienti
t
1.3
0.49
1
1
1
1.05
0.80
1
1.4
0.75
1
= =0.49*1*1*1*1.05*0.80*1*1.4*0.75*1=0.43 mm/ayl
=239 m/min =5.8 Kvt =1 → ([3] 22-karta, 73-b):
Ishlov berish bosqichi uchun tezlik qiymati quyidagicha aniqlanadi:
V= Yuqorida berilgan koeffitsientlarning qiymatlari aniqlab olinadi:
([3] 23-karta, 82-84-b)
1
1
1
1.4
1
1.1
1
1
0.85
V=239*1*1*1.4*1.1*1.1*1*1*1=404.8 m/min
n=
n= = 512 ayl/min
VS=SO*n
VS= 0.43*512=220 mm/min
N=NT*
N=5.8*0.85=4.93 kvt
Chiqqan quvvat miqdori stanokning quvvati bilan solishtiriladi.Agar stanok quvvatidan past miqdor bo’lsa u holda ishlov berish mumkin bo’ladi.
N < ND → 3.1 kvt < 15 kvt
B yuza toza yo‘nilsin. Kesuvchi asbob:T15K6 markali qattiq qotishmadan tayyorlangan Tokarlik o’tuvchi keskich, SDJSR/L1010E07 ro‘m plastina. Kesish chuqurligi: t=0.7 mm
=0.61 mm/ayl ([3] 3-karta, 38-b) Qora ishlov berish uchun koeffitsientlarni aniqlash ([3] 5-karta, 42-45-b):
-keskich ushlagich ko‘ndalang kesimi koeffitsienti
-keskich kesuvchi qismi mustahkamligi koeffitsienti
-ishlov berilayotgan material mehanik hossalari koeffitsienti
-zagatovkani o‘rnatish sxemasi koeffitsienti
-zagotovka yuzasi holat koeffitsienti
-keskich kesuvchi qismi geometriyasi koeffitsienti
-dastgoh bikrligi koeffitsienti
-karusel dastgohlarida polzunni siljish koeffitsienti
t
0.3
0.61
1
1
1
1.05
0.80
1
1.4
0.75
1
= =0.61*1*1*1*1.05*0.80*1*1.4*0.75*1=0.53 mm/ayl
=287 m/min =3.7 Kvt =1 → ([3] 22-karta, 73-b):
Ishlov berish bosqichi uchun tezlik qiymati quyidagicha aniqlanadi:
V= Yuqorida berilgan koeffitsientlarning qiymatlari aniqlab olinadi:
([3] 23-karta, 82-84-b)
1
1
1
1.4
1
1.1
1
1
0.85
V=287*1*1*1.4*1.1*1.1*1*1*1=486.1 m/min
n=
n= =619 ayl/min
VS=SO*n
VS= 0.53*619=328 mm/min
N=NT*
N=3.7*0.85=3.1 kvt
Chiqqan quvvat miqdori stanokning quvvati bilan solishtiriladi.Agar stanok quvvatidan past miqdor bo’lsa u holda ishlov berish mumkin bo’ladi.
N < ND → 3.1kvt < 15 kvt
G yuza qora yo‘nib kengaytirilsin. Kesuvchi asbob:T15K6 markali qattiq qotishmadan tayyorlangan Tokarlik o’tuvchi keskich, SSDCN1213F08 kvadrat plastina. Kesish chuqurligi: t=2 mm
=0.73 mm/ayl ([3] 3-karta, 38-b) Qora ishlov berish uchun koeffitsientlarni aniqlash ([3] 5-karta, 42-45-b):
-keskich ushlagich ko‘ndalang kesimi koeffitsienti
-keskich kesuvchi qismi mustahkamligi koeffitsienti
-ishlov berilayotgan material mehanik hossalari koeffitsienti
-zagatovkani o‘rnatish sxemasi koeffitsienti
-zagotovka yuzasi holat koeffitsienti
-keskich kesuvchi qismi geometriyasi koeffitsienti
-dastgoh bikrligi koeffitsienti
-karusel dastgohlarida polzunni siljish koeffitsienti
t
2
0.73
1
1
1
1.05
0.80
1
1.4
0.75
1
= =0.73*1*1*1*1.05*0.80*1*1.4*0.75*1=0.64 mm/ayl
=153 m/min =10 Kvt =1 → ([3] 21-karta, 73-b):
Ishlov berish bosqichi uchun tezlik qiymati quyidagicha aniqlanadi:
V= Yuqorida berilgan koeffitsientlarning qiymatlari aniqlab olinadi:
([3] 23-karta, 82-84-b)
1
1
1
1.4
1
1.1
1
1
0.85
V=153*1*1*1.4*1.1*1.1*1*1*1=235 m/min
n=
n= = 513 ayl/min
VS=SO*n
VS= 0.64*513=329 mm/min
N=NT*
N=10*0.85=8.5 kvt
Chiqqan quvvat miqdori stanokning quvvati bilan solishtiriladi.Agar stanok quvvatidan past miqdor bo’lsa u holda ishlov berish mumkin bo’ladi.
N < ND → 8.5 kvt < 15 kvt
G yuza yarim toza yo‘nib kengaytirilsin. Kesuvchi asbob:T15K6 markali qattiq qotishmadan tayyorlangan Tokarlik o’tuvchi keskich, S16Q-SVUCR/L11 plastinasi klin bilan mahkamlangan. Kesish chuqurligi: t=1 mm
=0.49 mm/ayl ([3] 3-karta, 38-b) Qora ishlov berish uchun koeffitsientlarni aniqlash ([3] 5-karta, 42-45-b):
-keskich ushlagich ko‘ndalang kesimi koeffitsienti
-keskich kesuvchi qismi mustahkamligi koeffitsienti
-ishlov berilayotgan material mehanik hossalari koeffitsienti
-zagatovkani o‘rnatish sxemasi koeffitsienti
-zagotovka yuzasi holat koeffitsienti
-keskich kesuvchi qismi geometriyasi koeffitsienti
-dastgoh bikrligi koeffitsienti
-karusel dastgohlarida polzunni siljish koeffitsienti
t
1
0.49
1
1
1
1.05
0.80
1
1.4
0.75
1
= =0.49*1*1*1*1.05*0.80*1*1.4*0.75*1=0.43 mm/ayl
=265 m/min =11 Kvt =1 → ([3] 22-karta, 73-b):
Ishlov berish bosqichi uchun tezlik qiymati quyidagicha aniqlanadi:
V= Yuqorida berilgan koeffitsientlarning qiymatlari aniqlab olinadi:
([3] 23-karta, 82-84-b)
1
1
1
1.4
1
1.1
1
1
0.85
V=265*1*1*1.4*1.1*1.1*1*1*1=448.9 m/min
n=
n= = 958 ayl/min
VS=SO*n
VS= 0.43*958=411 mm/min
N=NT*
N=11*0.85=9.35 kvt
Chiqqan quvvat miqdori stanokning quvvati bilan solishtiriladi.Agar stanok quvvatidan past miqdor bo’lsa u holda ishlov berish mumkin bo’ladi.
N < ND → 3.1 kvt < 15 kvt
G yuza toza yo‘nib kengaytirilsin. Kesuvchi asbob:T15K6 markali qattiq qotishmadan tayyorlangan Tokarlik o’tuvchi keskich, SDJSR/L1010E07 ro‘m plastina. Kesish chuqurligi: t=0.4 mm
=0.61 mm/ayl ([3] 3-karta, 38-b) Qora ishlov berish uchun koeffitsientlarni aniqlash ([3] 5-karta, 42-45-b):
-keskich ushlagich ko‘ndalang kesimi koeffitsienti
-keskich kesuvchi qismi mustahkamligi koeffitsienti
-ishlov berilayotgan material mehanik hossalari koeffitsienti
-zagatovkani o‘rnatish sxemasi koeffitsienti
-zagotovka yuzasi holat koeffitsienti
-keskich kesuvchi qismi geometriyasi koeffitsienti
-dastgoh bikrligi koeffitsienti
-karusel dastgohlarida polzunni siljish koeffitsienti
t
0.4
0.61
1
1
1
1.05
0.80
1
1.4
0.75
1
= =0.61*1*1*1*1.05*0.80*1*1.4*0.75*1=0.53 mm/ayl
=320 m/min =5.8 Kvt =1 → ([3] 21-karta, 73-b):
Ishlov berish bosqichi uchun tezlik qiymati quyidagicha aniqlanadi:
V= Yuqorida berilgan koeffitsientlarning qiymatlari aniqlab olinadi:
([3] 23-karta, 82-84-b)
1
1
1
1.4
1
1.1
1
1
0.85
V=320*1*1*1.4*1.1*1.1*1*1*1=542 m/min
n=
n= =1 151 ayl/min
VS=SO*n
VS= 0.53*1151=610 mm/min
N=NT*
N=5.8*0.85=4.93 kvt
Chiqqan quvvat miqdori stanokning quvvati bilan solishtiriladi.Agar stanok quvvatidan past miqdor bo’lsa u holda ishlov berish mumkin bo’ladi.
N < ND → 3.1kvt < 15 kvt