Авторы

  • Abduxakim Abdullayev
    t.f.n., PhD.,Toshkent davlat pedagogika universiteti “Texnologik ta’lim metodikasi” kafedrasi dotsenti.

DOI:

https://doi.org/10.71337/inlibrary.uz.scin.46418

Ключевые слова:

Kesish rejimlari jadvali Diametrni yo‘nish Ishchi yurishlar soni Shpindelning aylanish chastotasi Kesish tezligi Bir daqiqali uzatib berish Tokarlik RDB ga ega bo‘lgan tokarlik Ariqchani yo‘nish Rezbani kesish.

Аннотация

Mashinasozlik ilmiy-texnikaviy progressning rivojlanishi,mehnat unumdorligining oshishi, iqtisodni jadallashgan rivojlanish yo‘liga o‘tkazishda eng muhim rolni o‘ynaydi, ishlab chiqarish va sanoat tarmoqlarining ko‘pgina turlari rivojlanishini aniqlab beruvchi sharoitlarni yaratadi. Texnologik jarayonlarni mukammallashtirish, avtomatlashtirilgan ishlab chiqarish va belgilab berilgan joylarda mexanizatsiyalashtirishni joriy qilish mashinasozlikning muhim vazifalaridir.


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98

ISHLOV BERISH REJIMLARINI HISOBLASH VA TAYINLASH

Abduxakim Nigmatovich Abdullayev

t.f.n., PhD.,Toshkent davlat pedagogika universiteti

“Texnologik ta’lim metodikasi” kafedrasi dotsenti.

https://doi.org/10.5281/zenodo.13335020

ANNOTATSIYA:

Mashinasozlik ilmiy-texnikaviy progressning rivojlanishi,mehnat

unumdorligining oshishi, iqtisodni jadallashgan rivojlanish yo‘liga o‘tkazishda eng muhim
rolni o‘ynaydi, ishlab chiqarish va sanoat tarmoqlarining ko‘pgina turlari rivojlanishini
aniqlab beruvchi sharoitlarni yaratadi. Texnologik jarayonlarni mukammallashtirish,
avtomatlashtirilgan ishlab chiqarish va belgilab berilgan joylarda mexanizatsiyalashtirishni
joriy qilish mashinasozlikning muhim vazifalaridir.

KALIT SО‘ZLAR:

Kesish rejimlari jadvali, Diametrni yo‘nish, Ishchi yurishlar soni,

Shpindelning aylanish chastotasi, Kesish tezligi, Bir daqiqali uzatib berish, Tokarlik, RDB ga
ega bo‘lgan tokarlik, Ariqchani yo‘nish, Rezbani kesish.

АННОТАЦИЯ:

Машиностроение играет важнейшую роль в развитии научно-

технического прогресса, повышении производительности труда, переходе экономики
на путь ускоренного развития, создает условия, определяющие развитие многих видов
производства и отраслей промышленности. Совершенствование технологических
процессов, автоматизация производства и внедрение механизации в отведенных
местах являются важными задачами машиностроения.

КЛЮЧЕВЫЕ СЛОВА:

Таблица режимов резания, Ориентация диаметра,

Количество рабочих ходов, Частота вращения шпинделя, Скорость резания, Подача за
одну минуту, Точение, Точение с RDB, Ориентация паза, Обработка пазов.

ANNOTATION:

Mechanical engineering plays the most important role in the

development of scientific and technical progress, increase in labor productivity, transition of
the economy to the path of accelerated development, and creates conditions that determine
the development of many types of production and industrial sectors. Improvement of
technological processes, automated production and introduction of mechanization in
designated areas are important tasks of mechanical engineering.

KEY WORDS:

Table of cutting modes, Diameter orientation, Number of working strokes,

Spindle rotation frequency, Cutting speed, One minute feed, Turning, Turning with RDB,
Groove orientation, Grooving.

NATIJALAR:

hisob-kitobni jadvallarga kiritamiz.

1-jadval. Kesish rejimlari jadvali.

opera

tsiya

O‘tish

Is

hchi yur

ishl

ar

s

on

i

Chuqur

ligi

t,

mm

Uza

tib

b

eris

h

S,

mm/

o b

Shpin

deln

in

g a

yla

n

ish

ch

as

to

ta

si

n

, ayl

./

daq

.

Ke

sis

h

tezligi

V

, m

/daq

.

Bir

daq

iqa

li uza

tib

b

eris

h

m/

daq

.


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99

010

Tokarlik

Yon qirrasini kesish

Diametrni yo‘nish

2

1

1,5

1

1,5

0,5

0,25
0,55

800

1200

800

160
245
160

400
300
440

015

RDB ga ega

bo‘lgan tokarlik

Yon qirrani kesish

55,8-0,29

diametrini yo‘nish

2


2

1,5

1

1,5

0,5

0,25

0,4

800

1200

1400

160
245

245

400
300

560

Ariqchani yo‘nish Rezbani

kesish

21 teshigini parmalash

25+0,062 teshigini yo‘nib

kengaytirish


18
12

2,5

0,11

10,5

1,5
0,5

0,15

1,5

0,21
0,35

0,1

680
570

1060
1720
2420

120
100

70

135
190

102
855

222
602
242

020

parmalash

6+0,3 teshigini parmalash

1

3

0,16

1590

30

254

025

Tokarlik

46-0,62 diametrini yo‘nish

3

2,6

0,4

1750

135

690

030

RDB ga ega

bo‘lgan

frezerlash

42-0,62 liskani frezerlash

18,25+0,28 teshigini

parmalash

R

c

1/2 rezbasini kesish

1



1


1

4,0



9,12

0,8



0,33


1.814

515



593


89

40,5



34


5

329



195


161

2-jadval.Operatsiyalarga vaqt me’yori

Operatsiyanin

g t/r

operatsiya

Vaqt me’yorlari, daq.

Σtо

Σ

𝒕

𝒚𝒐𝒓𝒅

𝑻

𝒕𝒂𝒚.𝒚𝒂𝒌

𝑻

𝒅𝒐𝒏𝒂

𝑻

𝒅𝒐𝒏𝒂.𝒌

010

tokarlik

0,32

1,3

2,5

2,62

2,71

015

RDB ga ega

bo’lgan

tokarlik

0,75

1,8

2

3,6

3,7

020

Parmalash

0,07

1,4

3,5

2,4

2,52

025

tokarlik

0,4

1,5

2,5

2,9

3,0


Xarajatlarning keltirilgan hisob-kitobini jadvalga kiritamiz. Qolgan operatsiyalar uchun

keltirilgan xarajatlar hisoblab chiqilgan va ular ham 3-jadvalga kiritilgan.

3-jadval. Keltirilgan xarajatlar hisob-kitobi


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100

Operatsiy

alar

Dastgoh

modeli

T

sht

,

daq.

S

Z

,

So’m

S

EKSP

,

So’m

K

S

,

So’m

K

ZD

,

So’m

S,

So’m

010

16K20

2,62

119

100

2100

850

13.1

015

HAAS ST-

20

3,6

119

100

11000

990

15.5

030

SMV-850

2.8

119

100

9500

600

18.5


MUHOKAMA:

RDB ga ega bo‘lgan tokarlik 010 operatsiyasi uchun hisoblashni amalga

oshiramiz, 1 raqamli o‘tishga 51-1,0 o‘lchamda yon qirrani kesish.

Z

6,7

=2 mm qo‘yimni 2 ta o‘tishga bo‘lamiz; t

1

=1,3 mm, t

1

=0,7 mm. [3] bo‘yicha (S

mm/ayl.) uzatib berishni tayinlaymiz:

S

1

=0,5 mm/ob. va S

2

=0,25mm/ayl.

Kesish tezligini quyidagi formula bo‘yicha topamiz:

𝑉 =

𝐶

𝑣

𝑇

𝑚

∙ 𝑡

𝑥

∙ 𝑆

𝑥

∙ 𝐾

𝑣

bunda

𝐶𝑣

-koeffitsient [3]; m,x,y – daraja ko‘rsatkichi;

T – chidamlilikning o‘rtacha ko‘rsatkichi 30-60 daq.;

𝐾𝑣

– zagotovka materialiga ta’sirni hisobga oluvchi koeffitsientlar ko‘paytmasining

koeffitsienti.

𝐾

𝑚𝑣

= 1,25, yuzaning holati

𝐾

p

𝑣

= 0,8 asbob materiali.

𝐾

i

𝑣

= 1 Asbobning chidamlilik davrini: T=30 daq. deb qabul qilamiz.

𝐾𝑣

=

𝐾𝑚𝑣

𝐾

p

𝑣

𝐾

i

𝑣

𝐾𝑣

=

𝐾𝑚𝑣

𝐾

p

𝑣

𝐾

i

𝑣

= 1,25

0,8

1 = 1;

Birinchi o‘tish uchun koeffitsientlar qiymatini:

𝐶𝑣

= 340;

𝑥

= 0,15;

𝑦

= 0,45;

𝑚

= 0,2 qilib qabul qilamiz.

Ikkinchi o‘tish uchun koeffitsientlar qiymatini quyidagicha qabul qilamiz:

𝐶𝑣

= 420;

𝑥

= 0,15;

𝑦

= 0,2;

𝑚

= 0,2.

𝑉

1

=

𝐶

𝑣

𝑇

𝑚

∙ 𝑡

𝑥

∙ 𝑆

𝑥

∙ 𝐾

𝑣

=

340

60

0,2

∙ 0,5

0,15

∙ 0,35

0,45

∙ 1 = 165,8

𝑚

𝑚𝑖𝑛

𝑉

2

=

𝐶

𝑣

𝑇

𝑚

∙ 𝑡

𝑥

∙ 𝑆

𝑥

∙ 𝐾

𝑣

=

420

60

0,2

∙ 0,5

0,15

∙ 0,35

0,45

∙ 1 = 254

𝑚

𝑚𝑖𝑛

Shpindelning aylanish chastotasini quyidagi formula bilan hisoblab chiqamiz:
n = 1000

𝑉

(𝜋∙𝑑)

𝑛

1

= 1000 ∙

165,8

3,14 ∙ 65

= 812,34

𝑎𝑦𝑙

𝑚𝑖𝑛

𝑛

2

= 1000 ∙

254

3,14 ∙ 65

= 1244,26

𝑎𝑦𝑙

𝑚𝑖𝑛

Aylanish chastotasini quyidagicha qabul qilamiz.

𝑛

1

= 800

𝑎𝑦𝑙

𝑚𝑖𝑛

; 𝑛

2

= 1200

𝑎𝑦𝑙

𝑚𝑖𝑛

; U holda

kesishning amaldagi haqiqiy tezligi:

𝑉

1

=

𝜋𝐷𝑛

1000

= 3,14 ∙ 65 ∙

800

1000

= 163,28

𝑎𝑦𝑙

𝑚𝑖𝑛


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101

V

1

= 3,14 ∙ 65 ∙

1200
1000

= 244,9

ayl

min

Bir daqiqalik uzatib berishni quyidagi formula

S

min

= S ∙ n

S

min1

= 0,5 ∙ 800 = 400

m

min

S

min2

= 0,25 ∙ 1200 = 300

m

min

Texnologik jarayon operatsiyalarini me’yorlashtirish .
Asosiy vaqtni hisoblash.

Tokarlik operatsiyalari uchun asosiy vaqtni quyidagi formula

bo‘yicha aniqlaymiz:

𝑡

0

= L ∙

i

𝑛 ∙ S

𝑚𝑖𝑛

L – ishlov berishning hisobli uzunligi, mm;
i – ishchi yurishlar soni;
n – shpindelning aylanish chastotasi, ayl./daq.; S – uzatib berish, mm/ayl.
Ishlov berishning hisoblash uzunligi:
L = l + l

V

+ l

SX

+ l

PD

,

bunda

l

– mazkur o‘tishda detalning o‘lchami, mm;

l

V

– asbobning o‘yib o‘rnatish kattaligi, mm;

l

SX

– asbobning yumalab tushish kattaligi , mm;

l

PD

– asbobning keltirish kattaligi, mm.

l

SX

= l

PD

= 2 mm ni qabul qilamiz.

Asbobni o‘yib o‘rnatish kattaligi quyidagi formula bo‘yicha aniqanadi:

𝑙

𝐵

=

t

𝑡𝑔𝜑

bunda t – kesish chuqurligi, mm;

𝜑

- plandagi burchak

U holda asosiy vaqtni aniqlashning yakuniy formulasi quyidagicha bo‘ladi:

𝑡

0

= (1 +

t

𝑡𝑔𝜑

+ 𝑙

𝐶𝑋

+ 𝑙

𝑃𝐷

) ∙

i

𝑛 ∙ 𝑆

𝑚𝑖𝑛

1.

010 Tokarlik operatsiyasi (yon qirrani xomaki kesish)

2.

𝑡

0

= (35 +

1,5

𝑡𝑔45

0

+ 2 + 2) ∙

1

800∙0,5

= 0,101 𝑚𝑖𝑛

Yon qirrani tozalab kesish

𝑡

0

= (35 +

1,5

𝑡𝑔45

0

+ 2 + 2) ∙

1

1200 ∙ 0,25

= 0,13 𝑚𝑖𝑛

1.

010 Tokarlik operatsiyasi (62 diametrini yo‘nish)

2.

𝑡

0

= (35 +

1,5

𝑡𝑔45

0

+ 2) ∙

1

800∙0,55

= 0,09 𝑚𝑖𝑛

Yordamchi vaqtni hisoblash

Operatsiya uchun yordamchi vaqt detalni o‘rnatish va yechib olish, dastgohni

boshqarish, detalni o‘lchashga sarflangan vaqt to‘planib, tuziladi.

Kichik seriyali ishlab chiqarish uchun barcha operatsiyalar uchun yordamchi va

tayyorlash-yakuniy vaqt umummashinasozlik me’yorlari bo‘yicha aniqlanadi.


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102

Texnik xizmat ko‘rsatish, tanaffuslar va tashkiliy xizmat ko‘rsatishlarning jami vaqti (α,

β, γ) operativ vaqtdan foizlarda 8% ni tashkil qiladi.

Normativlar bo‘yicha aniqlangan yordamchi, tayyorlash-yakuniy, shuningdek hisoblab

chiqilgan dona va dona-kalkulyatsiya vaqti jadvalga jamlangan.

Yordamchi va asosiy vaqt har bir operatsiyaning barcha o‘tishlari uchun jadvalda

jamlangan.

Dona vaqtni quyidagi formula bo‘yicha aniqlaymiz:

𝑇

𝑑𝑜𝑛𝑎

= (𝑡

0

+ 𝑡

𝑣𝑠𝑝

)

(1+

𝛼+𝛽+𝛾

100

)

Dona-kalkulyatsiya vaqtini quyidagi formula bo‘yicha aniqlaymiz:

𝑇

𝑑𝑜𝑛𝑎.𝑘

= 𝑇

𝑑𝑜𝑛𝑎

+

𝑇

𝑛.𝑧

𝑛

𝑇

𝑑𝑜𝑛𝑎

– dona vaqt, daq.

to – ishlov berishning asosiy vaqti, daq.

𝑡

𝑦𝑜𝑟𝑑

– yordamchi vaqt, daq

α, β, γ, - texnik xizmat ko‘rsatish, tanaffuslar va tashkiliy xizmat ko‘rsatish vaqti, operativ

vaqtdan foizlarda

𝑇

𝑑𝑜𝑛𝑎.𝑘

– dona-kalkulyatsiya vaqti, daq.

𝑇

𝑡𝑎𝑦.𝑦𝑎𝑘

– tayyorlash-yakuniy vaqt, daq.


Jami mehnat qamrovi.

𝑇

𝑑𝑜𝑛𝑎

= 14,32 𝑚𝑖𝑛

𝑇

𝑑𝑜𝑛𝑎.𝑘

= 14,83 𝑚𝑖𝑛

XULOSA:

Texnologik jarayonni texnik-iqtisodiy asoslash va texnologik jarayonning

ko‘rsatkichlari.RDB ga ega bo‘lgan 015 Tokarlik dastgohida tokarlik operatsiyasiga xarajatlar
hisob-kitobini keltiramiz

𝑍 = 𝑆 + 𝑌𝑒

𝑁

(𝐾

𝑆

+ 𝐾

𝑍𝐷

)

bunda S –texnologik tannarx, so'm;

𝑆 =

(𝑆

𝑧

+ 𝑆

𝑒𝑘𝑠

)𝑡

𝑑𝑜𝑛𝑎

60

Ye

n

– kapital mablag‘larning (Ye

N

=0,5) iqtisodiy samaraliligi koeffitsienti.

K

S

, K

ZD

– dastgoh va tegishlicha binoga sarflangan solishtirma kapital mablag‘lar. Asosiy

va qo‘shimcha ish haqi hisob-kitobini quyidagi formula bo‘yicha bajaramiz:

𝑆

𝑍

= 𝑆

𝐶ℎ

∙ 𝐾

𝐷

∙ 𝑍

𝑁

∙ 𝐾

𝑂𝑀

= 70 ∙ 1,7 ∙ 1 ∙ 1 = 119

𝑠𝑜′𝑚

𝑠𝑜𝑎𝑡

bunda S

Ch

–ishchining soatbay tarif stavkasi, so’m/soat; (70 so’m/soat)

K

D

– qo‘shimcha ish haqi va ustamalarni hisobga olish koeffitsienti

𝐾

𝐷

= 1,7

Z

N

– naladchikning ish xaqini hisobga olish koeffitsienti

𝑍

𝑁

= 1,0

K

OM

– ko‘p sonli xizmat ko‘rsatishda ishchiga to‘lanadigan ish xaqini hisobga olish

koeffitsienti

𝐾

𝑂𝑀

= 1,0

Ish joyidan foydalanish bo‘yicha soatbay xarajatlar hisob-kitobini quyidagi formula

bo‘yicha bajaramiz

𝐶

𝑒𝑘𝑠𝑝

= 𝐶

𝑐ℎ𝑧

∙ 𝐾

𝑀

= 100

𝑠𝑜′𝑚

𝑠𝑜𝑎𝑡

Bunda S

chz

– asosiy ish joyidagi soatbay xarajatlar,

𝐶

𝐶ℎ𝑍

𝑠𝑜′𝑚

𝑠𝑜𝑎𝑡


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103

K

M

– asosiy dastgohlar bajaradigan o‘xshash ishlarni mazkur dastgohda bajarishda

xarajatlar necha marta ko‘proqligini ko‘rsatuvchi koeffitsient.

Dastgohga xarajat qilingan solishtirma kapital mablag‘larni quyidagi formula bo‘yicha

hisoblaymiz:

К

С

=

𝑠

𝑠

∙ К

М

∙ 𝐶

𝑝

𝑁

=

350 ∙ 1 ∙ 1

350

= 1000 𝑠𝑜′𝑚

bunda s

S

– dastgohni sotilish narxi, so’m; (350 so’m qabul qilamiz) K

M

– transport va

montaj xarajatlarini hisobga olish koeffitsienti (K

M

=1,1);

S

P

–operatsiya uchun dastgohlarning qabul qilingan soni (S

P

=1,0);

N – detallarni yillik ishlab chiqarish hajmi.
Binoga sarflangan solishtirma kapital mablag‘larni quyidagi formula bo‘yicha hisoblab

chiqamiz:

𝐾

𝑍𝐷

=

𝑆

𝑃𝐿

∙ 𝑃

𝑆

∙ 𝐶

𝑃

𝑁

=

30000 ∙ 10 ∙ 1

350

= 850 𝑠𝑜′𝑚

bunda S

PL

– 1 m

2

ishlab chiqarish maydoni narxi; (S

PL

=30000 so’m), so’m/m

2

;

P

S

– o‘tishlarni hisobga olgan holda dastgoh egallaydigan maydon;

(P

S

=10 m

2

); S

P

– operatsiya uchun dastgohlarning qabul qilingan soni (S

P

=1,0).

Dastgoh egallagan maydonni quyidagi formula bo‘yicha aniqlaymiz:

𝑃

𝑆

= 𝑓 ∙ 𝐾

𝑆

= 20,1𝑚

2

bunda f=6,5 –dastgohning plandagi maydoni, m

2

;

K

S

–qo‘shimcha ishlab chiqarish maydonini hisobga olish koeffitsienti, (K

S

=3,2)

𝐶 = (𝐶

𝑍

+ 𝐶

𝐸𝐾𝑆𝑃

)

𝑡

𝑑𝑜𝑛𝑎

60

= (119 + 100) ∙

3,6

60

= 13,1 𝑠𝑜′𝑚

𝑍 = 𝑆 + 𝐸

𝐻

(𝐾

𝐶

+ 𝐾

𝑍𝐷

) = 3 + 0,5(11000 + 850) = 5928 𝑠𝑜′𝑚

References:

1.

Abdullayev.A.N (2024). Use of measuring instruments. в international bulletin of

engineering and technology (113–119). https://doi.org/10.5281/zenodo.10726900

2.

Abdullayev.A.N (2024). A study of enclosed cylindrical and bevel gear reducers. Наука и

инновация, 2(6), 148–154.https://in-academy.uz/index.php/si/article/view/28348
3.

Abdullayev.A.N (2023). Methodology of problem solving in technical mechanics classes.

Scientific electronic magazine "Science and Education". Volume 4 Issue 4
https://drive.google.com/file/d/1GJzuiTGK_lTj7HReL8Pl6
_yMqytgpgj1/view?usp=share_link. ISSN 2181-0842 . APRIL 2023. 684-688
4.

A.N.Abdullayev. "Innovations in the field of pedagogical technologies of teaching in

technical higher education institutions" Republic-wide scientific and technical conference on
"Modern research, innovations, current problems and development trends of techniques and
technologies" April 8-9, 2022, pp. 336-339 Jizzakh polytechnic institute
5.

A.N. Abdullayev. "Universal stand for laboratory and practical classes in electrical

engineering". Collection of materials of the scientific-practical conference on the topic "The
role of young scientists of higher and secondary special, vocational educational institutions in
the innovative development of agriculture". TashDAU, Tashkent-2016, 382-383.6
6.

A.N.Abdullayev. "Development of production serving farms" problems and solutions to

increase the export potential of the agricultural sector, to organize multi-sectoral farms, to
develop the production and market infrastructure serving them, April 27 2019 TDAU.

Библиографические ссылки

Abdullayev.A.N (2024). Use of measuring instruments. в international bulletin of engineering and technology (113–119). https://doi.org/10.5281/zenodo.10726900

Abdullayev.A.N (2024). A study of enclosed cylindrical and bevel gear reducers. Наука и инновация, 2(6), 148–154.https://in-academy.uz/index.php/si/article/view/28348

Abdullayev.A.N (2023). Methodology of problem solving in technical mechanics classes. Scientific electronic magazine "Science and Education". Volume 4 Issue 4 https://drive.google.com/file/d/1GJzuiTGK_lTj7HReL8Pl6 _yMqytgpgj1/view?usp=share_link. ISSN 2181-0842 . APRIL 2023. 684-688

A.N.Abdullayev. "Innovations in the field of pedagogical technologies of teaching in technical higher education institutions" Republic-wide scientific and technical conference on "Modern research, innovations, current problems and development trends of techniques and technologies" April 8-9, 2022, pp. 336-339 Jizzakh polytechnic institute

A.N. Abdullayev. "Universal stand for laboratory and practical classes in electrical engineering". Collection of materials of the scientific-practical conference on the topic "The role of young scientists of higher and secondary special, vocational educational institutions in the innovative development of agriculture". TashDAU, Tashkent-2016, 382-383.6

A.N.Abdullayev. "Development of production serving farms" problems and solutions to increase the export potential of the agricultural sector, to organize multi-sectoral farms, to develop the production and market infrastructure serving them, April 27 2019 TDAU.