Động lực học máy tự động khóa nòng tự do

NGHIEN CUU -

DONG Lire HOC MAY Tl/ DONG KHOA NONG TLT DO

DYNAMICS OF AUTOMATIC FIRING MACHINE WITH FREE BOLT

TS. Dao \^n Doan, KS. Vo Ihi Hong Thang

Hgc vien Ky thuat Quan sU

T O M TAT

Bdi bdo trinh bdy phudngphdp xay dUng md hinh tinh todn dgng hie hoc may tU dgng khoa

nong tu do. tJng dung tinh todn dgng lUc hgc cho sung phdng lUu AGSl 7. Ket qud cua bdi todn Id cdsd

cho viic nghien citu, thiet ke, che tao vd khai thdc viX khi hoat dgng theo nguyen ly khoa nong tU do.

TH khda: May tU dgng; Khoa nong tU do; Ndng sung.

ABSTRACT

This paper presents a method to build models of dynamics calculations automatic bolt free.

Applications dynamics calculations for AGS 17 automatic grenade launcher. Results of the problem is

the basis for the research, design, manufacturing and using of automatic weapon bolt principle of

freedom.

Keywords: Automatic firing machine, free bolt; Barrel.

l.DATVANDE

Vu khi tu ddng hoat dgng theo nguyen

ly khda ndng tu do hien nay van dugc phat

trien tii sung ngan tu ddng cam tay, nhu K59

din Sling tieu lien MP5, hay siing phong luu tu

ddng AGS 17,.. .Cac tai lieu ve tinh toan, thiet ke

cac loai vu khi nay deu la cac tai lieu mat khdng

dugc phd bien. Vi vay, viec xay dung md hinh

tinh toan ddng lire hgc cho vu khi ty dgng hoat

ddng theo nguyen ly khda ndng ty do la ca sd de

khai thac va thiet ke che tao theo mau cac loai vu

khi hen, nham chii ddng san xuat trong nudc de

trang bi cho cac luc lugng vii trang.

2. XAY DlTNG MO HINH TINH TOAN

Mo hinh nguyen ly siing tu dgng hoat

ddng theo nguyen ly khda ndng tu do (hinh I)

[1,2,3]. Khi ban, dudi tac dung cua ap luc khi

thuoc, khoa ndng chuyen dgng lui ve sau cung

cap nang lugng cho cac ca cau ty ddng lam viec.

KJii lui het dudi tac dung cua Id xo khoa nong

day nd ve phia trudc thuc hien tdng d?n, ddng

khda va phat hoa.

ISSN 0866 - 7056

TAP CHI CO KHf VIET NAM, Sd 3 nam 2015

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