Материалшунослик ва

Uzatma turi	U yoki I ning tavsiya etilgan qiymatlar
U yoki i ning eng kata qiymatlari
I.	Yopiq tishli uzatmalar (rеduktorlar)
	1. Tsilindrik gildirakli	2,8 ----- 6,3	12,5
	2. Konussimon gildirakli	2.0 ----- 3.15	6.3
	3. Ochiq tishli uzatma	2.8 ----- 7.1	20
	4.Chеrvyakli uzatma: o ch i q	10 ---- 60	120
	yo p i q	10 ---- 40	80
II.	Zanjirli uzatma	3.14 ---- 6.3	8.0
III.	Tasmali uzatma: yassi tasmali ponasimon tasmali	2.5 ---- 5.0 2.5 ---- 5.0	6.3 7.1
IV.	Friktsion uzatmalar	2.0 ---- 4.0	10.0

3 – jadval


Tsilindrik tishli uzatmalar uchun nominal uzatish soni «u»
(ГОСТ 2185-66 bōyicha)

1-qator	1.0	1.25	1.6	2.0	2.5	3.15	4.0	5.0	6.3	8.0	10.0	12.5
2-qator	1.12	1.4	1.8	2.24	2.8	3.55	4.5	5.6	7.1	9.0	11.2

4 – jadval
Chеrvyakli tishli uzatmalar uchun nominal uzatish soni «u»
(GOST 2144-66 bōyicha)

1-qator	8	10	12.5	16	20	25	31.5	40	50	63	80
2-qator	9	11.2	14	18	22.4	28	35.5	45	56	71

5 – jadval
Asinxron elеktrodvigatеllarning tеxnik kōrsatkichlari

Elеktrodvi- gatеl turi	Nominal quvvati N , KVt	^Nominal ^aylanish ^chastotasi ^n , min –1		Elеktrodvi- gatеl turi	Nominal quvvati N , KVt	^Nominal ^aylanish ^chastotasi ^n , min -1
Sinxron chastotasi nq3000 min –1				Sinxron chastotasi nq1000 min -1
4А71АU3	0.75	2840		4А80А6UZ	0.75	915
4А71В2UZ	1.10	2810		4А80В6 UZ	1.10	920
4А80А2UZ	1.50	2850		4А90 6 UZ	1.50	935
4А80В2UZ	2.20	2850		4А100 6 UZ	2.20	950
4А 90 2UZ	3.00	2840		4А112МА6 UZ	3.00	955
4А1002UZ	4.00	2880		4А112МВ6 УЗ	4.00	950
4А1002UZ	5.50	2880		4А132 6 UZ	5.50	965
4А112М2UZ	7.50	2900		4А132М6 UZ	7.50	870
4А132М2UZ	11.00	2900		4А160М 6 UZ	11.00	975
4А1602UZ	15.00	2940		4А160М6 UZ	15.00	975
4А160М2UZ	18.50	2940		4А180М6 UZ	18.50	975
4А180 2UZ	22.00	2960		4А200М6UZ	22.00	980
4А180М2UZ	30.00	2960		4А200 6 UZ	30.00	980
Sinxron chastotasi n=1500 min ^–1				Sinxron chastotasi n=750 min ^-1
4А71В4 UZ	0,75		1390	4А90А8 UZ	0,75	700
4А80А4 UZ	1,10		1420	4А90В8 UZ	1,10	700
4А80В4 UZ	1,50		1415	4А100 8 УЗ	1,50	700
4А90 4 UZ	2,20		1425	4А112МА8 UZ	2,20	700
4А1004 UZ	3,00		1435	4А112МА8 UZ	3,00	700
4А1004 UZ	4,00		1430	4А132 8 UZ	4,00	720
4А112М4 UZ	5,50		1455	4А132М8 UZ	5,50	720
4А132 4 UZ	7,50		1455	4А160 3 UZ	7,50	730
4А132М4 UZ	11,00		1460	4А160М8 UZ	11,00	730
4А160 4 UZ	15,00		1465	4А180М8UZ	15,00	730
4А160М4 UZ	18,50		1465	4А200М8UZ	18,50	730
4А180 4 UZ	22,00		1470	4А200 8 UZ	22,00	735
4А180М4 UZ	30,00		1470	4А225М8UZ	30,00	735

MUNDARIJA
1. Kirish ......................................................................................................... 3
2. Mustaqil ishning maqsad va vazifalari........................................................ 3
3. Mustaqil ishni tashkil etishning shakli va mazmuni ........................ ........ 3
4. Mustaqil ishni baholash mе'zonlari ........................................................... 5
5. Informatsion – uslubiy ta'minot ................................................................. 7
6. Mustaqil ishning bajarish namunasi ……………………..………….…... 8
7. Ilova.................................................................……………………………13

Irgashev Aripjon Akromovich

Xojiyev Masharip Xojiyevich
Mirnigmatov Botir To‘xta-Muratovich
«MASHINA DETALLARIVA KO’TARISH – TASHISH MASHINALARI»
fanidan mustaqil ishiarni bajarish bo’yicha

USLUBIY KO’RSATMA

Muharrir M.Nurtoyeva

Musahhih D.Almatova
Bosishga ruhsat etildi-2013 yil
Qogo’z o’lchami 60х84 1/16
Hajmi 1,2. 25 nusxa
Buyurtma №_____
TIMI bosmaxonasida chop etildi.
Toshkent – 100000. Qori – Niyoziy ko’chasi 31 uy