Koj tuaj yeem ua daim ntawv luam ib daim fiberglass bumper siv cov qauv plasticine. Yog tias nws tsim nyog los tsim ntau ntu raws li cov qauv, ib qho ntxig ntxig kom tau. Yav tom ntej, siv cov ntawv loj no, nws yuav muaj peev xwm los ua kom muaj cov kab sib xws zoo ib yam.
Tsim nyog
- - kev plasticine;
- - iav iav ntawm hom 300 lossis 450;
- - fiberglass;
- - polyester cob;
- - aerosil.
Cov Lus Qhia
Kauj ruam 1
Ua tus qauv plasticine ntawm tus bumper thiab nruab nws rau hauv tsheb. Txiav tawm cov qauv los ntawm cov duab los qhia tuab thiab nruab lawv zoo li flanges ntawm cov pob qij txha nrog cov ntu ntawm lub cev. Muab cov qauv no kom cov txhuam ntawm cov txhuam thiab ob peb txheej ntawm iav lev kis tau los ntawm qhov sib txawv nruab nrab ntawm cov qauv thiab cov qauv nteg. Ua kom cov dav ntawm daim teb tsis tshaj 6 cm. Kho cov qauv uas muaj daim npog ntsej muag lossis plasticine.
Kauj ruam 2
Siv lub khob iav ntawm hom 300 lossis 450 thiab txiav ua tej daim ntev li 50x50 cm. Muab cov roj nplaum cob rau hauv lub ntim khoom uas tsim nyog (kwv yees li 5 litres) thiab yaj mus rau qhov zoo nyob nrog Nrog cov ntawv sib tw angular bumper, qhov sib xyaw yog qhov xav tau tuab. Siv tshuaj aerosil lossis aluminium hmoov ua cov tuab tuab. Ncaws nws nrog cov ntaub plaub ntoo polyester rau hauv ib lub taub ntim rau ib qho kev sib txuas mushy.
Kauj ruam 3
Kos lub matrix puag los ntawm txheej ntawm fiberglass impregnated nrog polyester cob. Rau thawj lub tsho tiv no, siv 300 qib iav lev thiab tuab cob. Tso polyester cob sib xyaw nrog aerosil rau hauv daim ntawv ntawm "hnyuv ntxwm" ntawm ntug thiab sab. Ntub tag nrho saum npoo ntawm ntu nrog cov muaj pes tsawg leeg.
Kauj ruam 4
Sab saum toj nrog rau daim iav lev thiab saturate nrog cob. Txhawm rau txhawm rau txhim kho kev nkag mus, hno qhov lev nrog txhuam kom tiaj tus. Ntawm cov ces kaum sab hauv, nteg iav iav ntawm "cov hnyuv ntxwm" thiab kis rau lawv nyob rau hauv ib txheej nyias nyias nrog qhov kawg ntawm txhuam. Muab cov npoo ntawm cov iav lev ntawm lub dav hlau ntawm cov pob qij txha txuas ntxiv nrog lwm qhov ntawm lub cev.
Kauj ruam 5
Ua tib zoo mloog rau thawj txheej kom tsis txhob muaj teeb meem nrog lub platen tuag. Kom qhuav ntawm thawj txheej yuav tsum ntev li ib hnub. Tom qab ntawv xuab zeb no nrog cov ntawv txhuam txheej, npog cov npuas nrog plasticine thiab thov rau txheej txheej thib ob. Thov nws thiab txheej tom ntej kom huv si thiab sai sai. Cia peb kho txhua txheej. So ob lub tsho tiv no kawg nrog kua roj polyester.
Kauj Ruam 6
Qhuav lub matrix hauv 24 teev thiab tshem nws tawm ntawm lub cev. Ua li no, tsis txhob ua kom lub cev puas. Tshem tawm cov plasticine ntawm bumper matrix los ntawm cua sov nws nrog lub tshuab ziab plaub hau, zuaj nws nrog kerosene thiab so nws nrog daim ntaub. Tom qab tshem cov plasticine thiab ziab, luas cov txhooj uas ntxig av nplaum.
Kauj Ruam 7
Rau kev yooj yim ntawm kev khaws cia thiab siv ntxiv, txiav lub txhoj raws cov kab ntawm cov ntu, muaj yav tas los ntsuas thiab cim cov kab txiav. Sib piv ob feem ntawm cov hauv-sab kom ua kom txuas txuas.
