Lub Phillips ntsia hlau thiab Phillips ntsia hlau tau tsim los ntawm Henry Phillips hauv xyoo 1930. Thawj siv rau ntawm cov kab sib dhos ntawm lub tsheb. Yog li ntawd, Phillips screws thiab Phillips screwdrivers tseem hu ua Philips screws thiab Philips screwdrivers.
Txhawm rau siv lub zog me me rau cov ntsia hlau ntsia hlau, cov neeg xav tias yuav qhib lub qhov ntawm lub taub hau ntsia hlau, thiab cov ntsia hlau tuaj yeem yooj yim nruj thiab loosened nrog cov sib thooj slotted screwdriver, tab sis nrog kev loj hlob sai ntawm kev tshawb fawb thiab thev naus laus zis, lub hau ntswj. Daim ntawv thov ntawm cov ntsia hlau tau dhau los ua ntau dua, thiab qhov tsis txaus ntawm cov ntsia hlau thiab tiaj tus- cov ntsia hlau ntsia hlau kuj tau tshwm sim. Thawj qhov yog tias thaum lub qhov ntawm lub taub hau ntsia hlau puas lawm, cov ntsia hlau tsis tuaj yeem raug ntsia hlau tawm. Qhov ntev ntawm lub qhov rooj, qhov yooj yim dua nws yuav raug puas tsuaj nyob rau hauv tus txheej txheem ntawm screwed.
Txhawm rau kom luv luv qhov ntev ntawm qhov thais, txhim kho lub peev xwm ntawm qhov kev sib tw los tiv thaiv kev puas tsuaj, thiab xa tib tus nqi ntawm torsion, tib neeg xav txog kev siv lub qhov hlais, uas tuaj yeem tiv taus tib lub torsion, tab sis qhov ntev ntawm ib qho kev sib tw yog. luv los ntawm ib nrab, uas yog resistant rau kev puas tsuaj. Lub peev xwm tau txhim kho zoo heev. Lub hau ntswj yog thawj zaug nyob rau hauv cov duab ntawm ib txoj kab ncaj nraim thiab tsis tuaj yeem siv rau kev hla -recessed screws. Tsuas yog lwm tus ntoo khaub lig-recessed screwdriver raug tsim raws li tus ntoo khaub lig-recessed screws. Yog li ntawd muaj ob hom ntsia hlau.
Slotted screws tau siv txij li thaum muaj cov cav tov. Nws yog tsis yooj yim sua los hloov tag nrho cov screws ntawm lub qub tshuab. Lub Phillips ntswj ntsia hlau tsis tuaj yeem siv rau ntawm lub qhov, thiab cov ntsia hlau nrog lub qhov tseem nyob hauv kev tsim khoom thiab siv, yog li khaws cov ntsia hlau. Nyob rau hauv txoj kev no, feem ntau ntawm cov tshuab tshiab siv cross recessed screws, thiab cov qub tseem siv tau, yog li muaj qhov xwm txheej uas ob lub hau ntswj siv tib lub sijhawm.
