TAP CHl KHOA HOC & CONG NGHE CAC TRUCfNG DAI HOC K> THUAT + SO 92 - 2013
N G H I E N CUtJ ANH HU OlSG CU \ M O T SO T H O N G SO C O N G N G H E DEN DO MANH C l A S<31 SAU QUAN ONG THE INFLUENCE OF TECHNOLOGICAL PARAMhTERS ON
THICKNESS OF YARN AFTER THE WINDING PROCESS Trdn Diic Trung, Gidn Thi Thu Huong
Tnr&ng Dgi hoc Bdch khoa Hd Xoi Den toa soan 04-9-2012. chap nhan dang 2-1 I -201 2
TOMTAT
Bat bao nay tnnh bay kit qua nghien cOv anh hwang cua mdt so thdng sd cdng nghe gdm tic do quin ing, Iwe dp eua bd diiu tiit sue cang va khoang each tO' ddu dng soi con din khuyet dan sai ciia bo phdn giam belong din dd manh cua sai. Sw dijng qui hoach thuc nghiem trwc giao vdt sw tra giup cua phan mim NEMRODW 2007 da xac dmh dwac anh hwang cua ba thdng sd cdng nghd da chon Kit qua nghien cwu la co sa de Iwa chon edc thdng sd cdng nghd nham dat dWQC sw thay ddi dd manh cua sai sau quin dng theo yeu ciu
Tu' khoa q u i n ong, SLFC cang, sai do manh ABSTRACT
This paper presents the research results on influence of some technological parameters dunng the winding process, the winding speed, the compressing force of the yarn tehsioner and the distance from the top of the bobbin to the guide eye of balloon controller to the thickness of yarn after the winding process By using the orthogonal planning experiments with the support of the software NEMRODW 2007. the influence of three selected parameters of technology was determined This research results are the base for selection of the technological parameters to achieve the required change of the thickness of the yarn after winding process
I.DATVANDE
Trong cong nghe san xuat sgi. san pham chii yeu cua cong doan keo soi con la cac ong sgi con. Cong doan gia cong sgi tiep theo la quan ong. Trong cong doan nay. sgi luon chiu lac dung cua lire keo. luc uon va luc ma sat do sgi phai quay quanh ong sgi con vai toe do Ion {neu loc do quan ong la 1000 m/phtil Ihi moi phan tu ciia moi vong soi se quay xung quanh Iruc ong sgi con voi loc do 10.000 vong/phiil), qua cac bo phan dan huang roi di vao cac bo phan chu'c nang (giam balong, dieu tiet siic cang soi, lam sach sgi, ong khia.. ) de thirc hien muc dich, yeu cau khi quan ong [I] Do vay, cac tinh chat ca ly trong do co do manh cua sgi da thay doi so vai do manh cua sgi triroc khi quan ong (do manh cua sgi quan tren cac ong sgi con) [2], Cho den nay, ngi dung nghien ciiu nay con chu'a du'gc ihyc hien nen viec tinh toan, thiet ke, dieu chinh cac thong so cong nghe d cac cong doan tiep theo sau quan ong (quan suot, mac sai, del vai...) van dua vao do manh cua sgi tru'ac khi quan ong nen da khong chuan xac, la mot trong nhu'ng nguyen nhan dan den
ihong so ky thuat ctia cac ban thanh pham nliu' thiing mac, thiing del va vai san xual a doanh nghiep da khong dat dugc cac chi lieu chat Iwgng vai miJc sai lech cho phep theo \eu can khat khe cua khach hang,
Bai bao na\' trinh ba\' kcl qua nghien cuu aiih huong dong thai ciia mot so thong so cong nghe den do manh cua sgi sau quan ong Nghien ciiu duoc ihuc hien tai phong ihi nghiem Cong nghe det, Vien Del may - Da giay va Thai trang Trudng Dai hgc Bach khoa llaNoi.
2. VAT LIEU VA PHUONG PHAP NGHIEN CUti
- Vai lieu. Sgi bong 100% chai iho quan tren ong sgi con khoi lugng 11 Og do Vien Det - May HaNgi san xuat nam 2012,
- Nghien ciru thirc nghiem duac thirc hien tren mo hinh may quan ong [3] che tao a Viel Nam Cho phep quan ong vai toe do 300 - lOOOm/phut. De dieu chinh loc do quiin ong chi can thay doi ty' so truyen dgng tir true dgng co
TAP n i l KHOA HOC & CONG NGHE CAC TRUONG DAI ligc KV I HUA I * SU v.;- dien (cong suat 0.5 kW. loc do 1350 vdng/phiit)
den true ong kliia.
Trong nghien ciiu luiy. Ihong so dg manh ciia sgi duac hicu la chi so sgi Nm va diRTc xac dinh then TCVN 5785/1:1994. Iruoc khi quan 6ngNm = 33,57 m/g.
- Su dung phuoiig phap loan Ihong kc dc xir 1\' kcl qua do [4|. |51. lap qui hoach Ihu'c ngliicin, xdc dmh ham !i6i qui lliirc nghiem vai su irg yiiip ciia cac pii.in iiicm F.xccI 2003 va piian mem NEMRODW 2007,
3. KET QUA NGHIF.N CUU VA BAN LUAN
i.\. Xac dinh khoang biOii thien ciia cac (lnni|i so cong nghe.
Trong cong nghe quan ong, khi lhay doi vcu cau cong nghe can phai dieu chinh cac thong so cong nghe Cac Ihong so cong nghe
thu'crng xuyen phai dieu chinh la toe do quan 6ng Z|, lu'c ep tren dTa ma sat ciia bg dieu tie!
sii'c cang sgi Zi va khoang each tir dau ong sgi con den vj tri dat khuyet dan sgi giam balong Zi. Trong nghien ciru nay, cac gia tri Zi, Zj, Z, dugc chgn Irong mien quan ong cac loai sgi ihong tliu'crng:
/ i = 600, 700, 800 [ni/phut]
/,, = 10. 30, 50 [cN]
/ . 10, 14, 18 [cm]
Chuyen cac bien so nay sang he toa do khiing thir nguyen voi gia trj canh tay don a =
±1, Gia tn time va gia tn ma hoa cua cac thong so cong nghe dirge ghi trong bang I.
Phuang trinh hoi qui thuc nghiem cho bicn ma hoa co dang tong quat;
Y = bo ^ b|X, + b:X: + b,Xj + bnX|^ + b-X,- + hr>X-- + b|7X|X,+ bnX|X, + b23X2X3 Bang I Cdc iiiiiv vd khoang bien ihiin cua cdc thong so vdng nghe
Cac thong so Muc duoi Mlic ca so Muc tren Khoana bicn thien
Gia tin thtic Z i
6 0 0 7 0 0 8 0 0 1 0 0
Z , 10 3 0 5 0 2 0
Z , 10 14 18 4
Gia tri ma hoa X i
- 1 0
+ 1 X , -1 0 + 1
X, -1 0 +1
N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 I S 16 17 18
Bang 2 Ma trait qui hoach thu Bien thue Z i
600 800 600 800 600 800 600 800 600 800 700 700 700 700
"00 700 7110 7 0 0
Z , 10 10 5 0 50 10 10 50 50 30 30 10 50 30 31) 30 30 30 30
Z , 10 10 10 10 18 18 18 18 14 14 14 14 10 18 14 14 14 14
• iighteitt ba thong SO \t ktit qtta till itghtein Bien ni.a hoa
x„
4-
+ + + + + + + + +
-f
+ + + + + + +
X i
+ + + + + 0 0 0 0 0 0 0 0
X ,
+ +
-
+ + 0 0
+ 0 0 0 0 0 0
X ,
+ + + + 0 0 0 0
+ 0 0 0 0
Y 33,75 33,89 33,98 34,21 33,81 33,94 34,08 34,38 33,87 l J 4 j 0 2 _
33,84 34,11 33,91 33,97
_3yL _a9g _33j?i
T | P
T,JiP CHI KHOA HOC & CONG NGHE CAC TRLiONG DAI HOC KS f 111 AT * SO 92 - 2013
trong do:
Y Hani muc tieu la chi so sai sau quan ong X|, X2, Xl Bien ma hoa cua cac Ihong so cong nghe anh h u o n g
bo, b,, bl, b , , b | | , bii, b w b p , b | i , hy. la cac he so hoi qui
3.2. L a p m a t r a n q u i h o a c h t h y c n g h i e m Su dung Qui hoach t h u c nghiem iruc giao de ihiel ke cac phirong an thi nghiem, nioi phuang an thi nghiem quiin blip ^gi lir 20 o n g sai con, so p h u o n g an thi n g h i e m N = 2 + 2k
+ no. T r o n g do so bicn k = 3, so thi nghiem lap tai tam n,, = 4 . Vi \ i i \ K ^ 18,
V(n su Iro gidp ciia phan mem N E M R O D W 2007, ma tran qui hoach thuc nghiem da d u g c lliicl lap. Kcl qua chi so soi Y xac dmh d u o c iheo tirng p h u a n g an Ihi nghiem d u o c ghi trong Bang 2
3.3. Xiic d i n h ^i:i tri c a c hf so hoi q u i \-A thiet l a p phirinig I r i n h hoi q u i (hire n g h i e m .
\'iVi su ho Irg ciia phan mem N E M R O D W , cac he so hoi qui xac dmh d u g c ghi irong Bang 3
He so hoi qui Gia tri
bo 33.94
bl 0.095
Ltttitg 3 Gta
h.
0.153 b , 0.044
trt cite It
bii 0.013
' S!' Ilt'ti l/ttt
h._.
0.043
b„
0.008 bi3 0,033
b u 0,007
b , , 0.020
The cac he so hoi qui vao p h u o n g trinh hoi qui long quat sau khi da loai irii cac he so khong CO >' nghia la d u o c ham muc lieu co dang:
Y = 33.94 + 0,095X| + 0,153Xn + 0.044X, + O,033X,X2 + 0.043 X f
Cac he so hoi qui bieu thi miic do anh huong ciia cac thong so cong nghe lai chi so sgi sau quan ong
Tir cac ket qua dat d u g c ta lhay - Ba t h o n g s o c o n g n g h e da c h g n Z ; , Zi, Zi deu CO anh h u o n g den chi so sgi sau quiin 6ng
Trong mien xac dinh ciia ba thong so cong nghe nay. clu so sgi sau quan ong deu lang do sgi bi keo cang va tap chat tren sgi dugc loai bo dan ldi khoi lugng iren mgt don vi dai ciia sgi giiim,
Trong ba thong so cong nghe da lira chgn. luc cp cua bg dieu tiet sire cang sgi Z^
a n h h u o n g n h i c u n h a t d e n c h i s o s g i ( b i
= 0,153, b;J"= 0,043),
- Gia tri he so l u o n g quan R" = 0.984 chiing to cac gia Ui tinh toan theo phuong irinh hoi qui rat gan \ 6 i cac gia iri xac dinh bang thirc nghiem.
! , / "
^
. Hinh I. Do thi du&ng ddng mirc 2D vd 3D bieu diin moi quan he giira van toe qudn sai xd lire ep cmi
; bp dieu liit site cdng den chi sd .sat sau qudn ong.
T.\I' (III KHOA HOC & CONG NGIH ( A< TRUCTNG DAI HQC KV THUAT * SO ^^^2013
liinh : !\> ill! ilinhig duug iinh. JD vu .ill hicu ilu CLIC h lu-ddii ling .MU con den khiivci dun soi den cin s
I i/intii he giua vdn uk qudn ,s MUI qudn dng
'a khduiig
' -
l l
• 3 . i » ' \^ : , , »
\ Xr
" '
Ifmh .!, 7), vu kl:ou„g
till dunng ddng iiiii^
deh tit ddu I'lltg \/n 2D 1
•nil d,.
tM'tih ll liliure
u dien I ddu IO
idl ijiioll 1 den clu (
e ^ ) n
Cung CO the nhan thay miic do anh huong :ua cac thong so cong nghe den chi so soi ihong :|ua bieu do cac duang dang mii'c the hien tren 5ieu do 2D va 3D bieu dien ni6i quan he giu'a :ac cap Ihong so cong nghe ciia ham muc tieu :ren co so co dinh thong so con lai o mirc ma loa 0 tai lam {Hinh 1. Hinh 2. Hinh 3).
4. KET LUAN
- Da xac dinh dugc muc do anh huong Jong thai ciia cac thong so cong nghe: toe do
lire cp cihi hd dicu lie! sik ai'ig
;;/ qudn ung
quan ong. luc ep tren dTa ma sat cua bg dieuliel sii'c cang \ ;i khoang each tir dau ong sgi con den
\ 1 tri dat khuyet dan sgi giam balong den chi so sgi sau quan ong.
- Phucmg trinh hoi qui thuc nghiem bai bao dua ra the hien moi lien quan giiia chi soscriva cac thong so cong nghe da xac dinh la co so khoa hgc de dieu chinh cac thong so cong ngh?
nham dat dugc mure do thay doi chi so theo yeu cau cong nghe
TAI LIEU THAM KHAO
Allan Ormerod, Walter S.Sondhelm; Weaving Technology and Operations; The textile Institute 1995, ISBN 187081276X,
J. Beran, V.Kracik, L.Tuma (2001), Simulation of unwinding process of yam from package, 16 International Conference on Production Research ICPR-16, Praha.
TAP CHi KHOA HOC & CONG NGHE CAC TRUONG OAI HOC KV THUAT * SO 92 - 2013
3. TS. Gian Thj Thu Huang; Luan an tien sT ky thual "Nghien ciixi cac yeu to anh huong den sue cang sgi de nang cao chat lugng blip sgi va hicu suat may quan ong", Tnrong Dai hgc Bach Khoa Ha Ngi 2009.
4. PGS. TS, Bin Minh Tn: Xac suat thong ke va qui hoach thuc nghiem. NXB Khoa hoc va Ky thuat, HaNgi 2005
5 Nguyen Van Lan. Vat lieu det; NXB Dai hgc Quoc gia TP.HCM 2004.
Dia chi lien he. Gian Thi Thu Huang - Tel: 0986987269 - Email: huonggttv/yahoo.com N'leii Det may - Da giav \a Thai liaiig - Truong Dai Hoc Bach khoa Ha Noi S6 1 -DaiCo Viet-^HaiBaTiuiiii-ria Noi
