Dfi T A I : NGHlfiN CtfU IJNG DUNG C 6 N G NGHfi MA XOA Dfi PHUC H 6 I VA NANG CAO TINH CHIU MON CHO CHI T I £ T M A Y
1. Ma so': KC.0S.21
2. Chii nhiem De tai: GS.TSKH Nguyfln Anh Tuan
3. Co quan chii tri De tai: Vien Nghien cftu Co khi, Bp Cong Nghiep 4. Co quan phoi hop De tai:
- Trucmg Dai hpc Bich khoa Ha npi - Vien Co khi Ning lupng va Md.
5. Thdi gian bit dau - ke't thuc: 01/2003 - 06/2005.
6. Tong kinh phi de thuc hien Se tai,: 2.100 trieu ddng, trong dd:
6.1. T i NSNN; 2.000 trieu ddng.
6.2. T i cac ngudn khic: 100 trieu ddng.
7. Muc tieu va npi dung chinh cua De tai:
NghiSn cftu lam chu va khai thic sft dung cong nghft ma xoa, nghiSn cim thiflt ke, che tao thifli bj phuc vu eho cflng nghft ma xoa. ftng dyng cflng nghft ma xoa dd phuc hdi nhitag chi tiflt dang true, lfl, phing vdi kfch thudc Idn (dudng kinh tdi vai tram mm) cho cac Iinh vuc ximang, dudng sit, dien, may cong cu v.v...
8. Nhftng ke't qua da dat dupc:
8.1. Nhiing vin de ve ly thuyflt: Cac kS't qua nghiSn ciu ly thuySi bao gdm;
- Tdng quan vfl cong nghS ma xoa.
- Phin tich tfnh chit, dac difa, thanh phin cua dung djch ma xoa.
- B6 tai Ueu thiei ke cac ngudn ma xoa lOOA, 200A, 500A.
- Bp tai liSu thiet ke cac dd ga ma xoa Iron va phing.
- Bp quy trinh cflng nghft ma xoa hop ly, phu hop vfli Viet Nam.
- Didu tra, khao sit, phin loai chi tiSi cd the phuc hdi bing cong nghS ma xoa.
- Nghien eiu anh hudng cia cic thflng sfl' cflng nghe ma xoa de'n chat lupng va ning suit san phfa.
- NghiSn cim CP ly tinh lflp ma: dp eiing, chieu day, dp bam dinh, kha nang chju mai mdn.
8.2. Nhitag van dfl vS thyc nghiem va thyc te trong san xuit:
Kfli qua nghien ciu cua De tai da dupc ing dung thi trong cac nganh san xuai trong nudc va hia hen dem lai hiflu qua cao. Hiftn tai cd rat nhieu chi tiSi cd thS' ap dung phuc hdi bing phucmg phap ma xoa va dem lai hiSu qua kinh te, nang cao chat lupng be mat cung nhu tufli thp san pham.
8.3. Nhung vin de khic:
Da ed ban 20 dd in tdt nghiSp cua cac sinh vien dai hpc vd De tai cflng nghfl ma xoa da dupc hoan thanh; 01 luin an tift'n sy ve De lai nay dang trien khai va se bao ve trong nam 2006.
De lai da tfl chic 2 cuflc tap huin (Ihdi gian 01 luin) cd sy tham gia cua ehuyftn gia nudc ngoai, mfli lan cfl hon 10 can bp ky thuat Viet Nam tham dy.
Cac kfti qua nghiftn cftu da dupc trinh bay trong bao cao tai Dai Hpi Ddng qufl'c te ve Ma sat hpc nam 2005 tai Washington D.C, Hoa Ky vi mpt sd Hpi nghj Khoa hpc qudc tfl khac.
De tai da npp dan xin dang ky bing dpc quyen sang chfl sd 1-2006-00240 vfl eong nghe ma xoa.
9. Tinh mdi, tinh dpc dao cua De tai:
9.1. So vdi the gidi;
Vdi kei qua nghifln cftu cua De tai, Viflt Nam da cd the chu dpng xiy dyng cflng nghe, tu che tao toin bfl thiflt bi cflng nghfl phuc vu ma xoa va mpt phin dung djch ma xoa phi hpp vci didu kifln Viflt Nam.
So vdi nudc ngoii, chit lupng cflng nghe, thiei bi va dung djch ma xoa do Dfl tai thuc hifln la tuong duong, song vdi gii thanh re hon.
9.2. So vdi trong nudc;
Cic kfli qua nghien ciu cua Dfl tai (cic quy trinh cong nghe ma xoa de phue hdi chi tisi may, nghiftn ciru anh hudng cua thflng sd cflng nghfl tdi chit lupng san pham, phin tich thanh phin cac loai dung djch dung trong ma xoa v.v...) la cic nghiSn cftu hoan loan mdi, lin dau tiSn dupc nghiSn cftu va tridn khai d ViSt Nam.
Dfl tii nghiSn ciu ing dung cflng nghe ma xoa de phyc hdi va nang cao tfnh chju mdn cho chi tiet may md ra mpt hudng phit tridn mdi trong nganh co khi nuflc ta vdi nhitag uu diem ndi bit cua cflng nghft ma xoa.
10. Hieu qua kinh t e - x a hpi da dat duoc:
Xet vfl phucmg diftn hieu qua kinh tft', cd thd Idling djnh ring, cong nghft ma xoa dac biflt cd hiftu qua khi phuc hdi eac chi tifti may Idn tai hiftn tru&ng. Die biftt, khi so sanh vdi cic cflng nghe phuc hdi khac hoac tbay mdi, cd nhttng tru&ng hop gii thanh phuc hdi bing cflng nghft nay re hang chuc lin. Thf du:
Gii thinh phuc hdi true may nghien dudng kfnh 280mm, tai trpng 55 ti'n cua Cflng ty gach fl'p lit H i Npi bing cflng nghe ma xoa ehi bing 1/4 so vdi gia thanh ban phuc hfli va bing 1/20 so vdi gii thanh thay mdi.
Gia thanh phuc hdi true may nghien dudng kinh 300mm, tai trpng 70 ti'n cia Cflng ty gach fl'p lit Ha Npi bing cpng nghe ma xoa chi bing 1/3 so vdi gia thanh ban phuc hdi va bing I/I2 so vdi gia thanh thay mdi.
Gia thanh phuc hdi true rotor dpng co may nghiSn cia Cflng ty xi mang Bim Son bang cflng nghft ma xoa chi bang 1/2 so vdi gia thanh phun phi va bang 1/12 so vdi gia thanh thay mfli.
11. Npi dung va dja chi da ap dung trong san xua't:
De tai KC.05.21 da thyc hien ma phuc bdi mpt sfl' chi USi cua cac co so san xuat:
- 03 true ring hop giam tfl'c (ma xoa Niken) ciia Cflng ty xi mang Bim Son.
- 01 cd tryc rotor dpng co may nghien 385 kW (ma xoa Niken) cua Nha may xi mangXIS.
- 02 16 bich lip bi Nu326 va bich bi 6318 (ma xoa Niken) cia XN dau may Ha Nfli.
- cd true D300xl60 miy nghien xuong sd 3 (May nghien bi 38.000 lit) dupc ma xoa Niken trfln nen thep Cic bon tai Cflng ty gach dp lit Ha Npi.
- 02 mat sdng trupt ban miy phay ding (ma xoa Niken) trftn nen thep Cac bon tai Xudng ca khf Vien nghiSn ciu ca khi.
- 02 cd true cua true khuyu DSO (ma xoa Niken) trSn nen thep Cic bon tai PTN ban va xft ly be mat- Vien nghiSn ciu ca khi.
- 01 cd biSn eua tryc khuyu DI65 (ma xoa Niken) tren nen thep Cacbon tai PTN han va x i ly be mat- Viftn nghiSn cuu co khf.
12. Thdi gian va Ket qua danh gia nghiem thu cap Nha nudc:
- 18/02/06; Hpp phiftn tru bj.
- 26/02/06; Hpp phiftn chi'nh thic.
Dfl tai da dupc Hpi ddng nghiSm thu cip Nhi nude c h f a 35,8/40 d i f a vi xep loaiB.
13. Nhftng ke't luan va kie'n nghi rut ra tft De tai:
- Hudng nghiSn cftu eua Dfl tai la ding din va phi hop vdi nhu ciu thyc tfl san xuit trong nudc.
- Cic npi dung nghiSn ciu cua De tii da dap ing diy du cac muc tiflu nftu ra cua thuyflt minh De tai.
- Cac kfti qua nghiSn ciu cua De tii da dupc ap dung rit thanh cflng trong thuc tfl sin xuit.
- Cic san p h f a cua De tii hoan toan cd the thay thS' dupc cac san p h f a nhap ngoai, dem lai hieu qua kinh tfl eao.
Kien nehi:
De nghi Bp Khoa hpc Cong nghS, Ban chu nhiem chuang trinh KC.05 cho De tii dupc tiS'p tuc nghiftn cuu chfl tao dung dich ma xoa, ddng thdi tridn khai du in chuyS'n giao cong nghft ma xoa rpng rai d nhieu nganh cflng nghiflp khic nhau.
Cdc chi tie't mdy dugc phuc hoi bdng cong nghe mg .xoa 77
