Ib qhauv tshuab tsim khoob yog ib qhov siv tshuab tsim los ntawm kev kho mob ntau, feem ntau tsim los ntawm cov hlau zoo uas siv rau thaum kub hluav taws xob zoo li H13, uas txhawj xeeb rau kev tsim khoob thiab muaj feem nyob hauv qhov chav tshuab tsim khoob. Nws tau tsim los ntawm kev tso cai rau kev sib tw ntau, xws li kub txog 500°C thiab kev puag ncig uas tuaj yeem nce dua 1000 MPa rau ib co lo lus. Qhauv tshuab no muaj feem txhawj xeeb yog los tshem tsov ib qhov hlau lossis aluminum uas tau raug ntxuav kom sov, thiab tso nws mus rau hauv ib qhov chaw (qhauv tshuab) kom tsim tau ib qhov chaw nruj uas muaj daim duab zoo ib yam. Kev tsim kho qhauv tshuab tsim khoob yog ib qhov kev tsim kho uas tsum muaj kev paub txog kho mob thiab kev sib zung zib ntawm dej. Nws tsum muaj kev xav txog kev sib zung zib ntawm kho mob, kom txoj hlua sib zung zib tshem tsov txaus siab los ntawm sab nraud mus rau sab tog kom tiv thaiv kev ploj tso los ntawm kev npuab lossis ncig. Cov ntsiab lus tseem ceeb ntawm kev tsim kho qhauv tshuab no yog qhov kawg ntawm qhov kawg, teeb meem, thiab kev siv cov khoom tshuab thiab cov kab tshuab kom trol kev nrawm ntawm hlau. Rau cov profile hollow, qhauv tshuab muaj ib qhov mandrel, uas raug tshuab nrog ib qhov rooj kheej, kom tsim qhov chaw hauv. Qhauv tshuab no raug sib tw ntau heev thiab raug kev ntxhiab ntxhiab, yog li nws xav tau kev kho mob ntau, xws li kev nitriding kom tsim tau ib qhov surface ntau tshaj plaws thiab tsis tuaj yeem tshem tsov. Qhov precision ntawm qhauv tshuab geometry, feem ntau yog qhov bearing surfaces, yog qhov tseem ceeb rau qhov ntev, qhov surface finish, thiab qhov kev sib txuam ntawm cov khoom tsim khoob. Yog li, qhauv tshuab tsim khoob tsis yog ib qhov tshuab tsuas yog ib qhov chaw tseem ceeb rau tag nrho qhov kev tsim khoob, kom pom zoo rau kev tsim khoob ntawm txhua yam, tshwj tsis yog cov rods solid thiab cov profile architecture thiab industrial uas muaj ntau qhov chaw.