Cov kua dej yog tsim los ntawm tus kws tshaj lij Askiv zoo, Sir Joseph Whitworth. Nws siv nws rau nws rab phom (uas suav nrog cov phom loj) thaum xyoo 1880s. Nws tau raug hu ua "kua" vim nws tau compressed rau hauv cov duab thaum nyob rau hauv ib qho kub heev, malleable lub xeev… Thaum pib nws tej zaum tsis muaj zog dua Damascus steel.
Cov kua dej steel yog dab tsi?
Cov kua dej steel yog ua zoo li steel tubing. Qhov tseem ceeb thaum cov hlau tseem kub, nws tau kos rau hauv cov duab elongated hla lub mandrel rau hauv daim ntawv ntawm lub thoob.
Yuav ua li cas cov hlau phom phom ua los ntawm?
Cov phom me me niaj hnub no yog ua los ntawm cov khoom siv roj carbon steel lossis cov khoom tsis muaj steelpaub thiab sim los tiv thaiv cov kev cuam tshuam.
Damascus chim siab npaum li cas?
Lub Damascus chim tau tawg tiag tiag, ntawm kwv yees peb zaug lub siab tsim los ntawm lub Hoobkas 12 ntsuas lub plhaub. Qhov no yog heev contraindications rau kev txawj ntse. Lub thoob sab saum toj yog qhov tseeb Damascus, los ntawm Purdey 10 gauge.
Damascus chim yog dab tsi?
Damascus lossis "Damascus twist" chim yog cov phom phom qub qub uas feem ntau tau ua ua ntej 1900Hlau thiab hlau ribbons tau twisted thiab welded ua ke. Damascus tej kas tham tsis muaj zog tshaj cov thoob niaj hnub no thiab tsis yog tsim los rau cov roj siab uas tsim los ntawm cov mos txwv niaj hnub no.
