Kev hloov kho cov roj hmab scraper thiab rubber roller (cov chaw nres tsheb txheem): yuav tsum tsis muaj qhov sib txawv ntawm cov roj hmab scraper thiab rubber roller nyob rau hauv tag nrho ntev. Yog tias muaj qhov sib txawv, cov roj hmab scraper tuaj yeem hloov kho los ntawm kev kho cov ntsia liaj qhov rooj eccentric. Cots thiab standard phaj hloov kho: phaj phaj thiab cots tsuas sib cuag tsis tau muaj kev sib cav. Qhov sib txawv yog qhov loj heev thiab kua nplaum ntawm cov phaj txheem yog qhov ntau dhau, ua rau cov kua nplaum pov. Yog tias qhov tsis sib txawv me me thiab kev sib tiv tauj yog nruj dhau lawm, cov kua nplaum yuav raug nyem, thiab tsis muaj kua nplaum ntawm ib nrab ntawm daim phaj txheem. Kev coj ua qhia pom tias qhov sib txawv zoo tshaj plaws yog nruab nrab ntawm 0.1 hli thiab 0.2 hli. Nws tuaj yeem pom tseeb los ntawm kev kho lub rooj zaum ntawm kev sib tw ntawm qhov qis ntawm cot thiab kho cov kabmob ntawm sab qaum ntawm cot yog tias tsim nyog.
Kev hloov kho ntawm cov nias txhuam ntaus ntawv: qhov nruab nrab ntawm lub cim txhuam txhuam yog mus raws li cov ntawv sau thiab ob tog yog zoo ib yam. Lub cim txhuam txhuam yog txiav caj dab mus rau sab saum npoo ntawm cov thawv ntim. Kev sib txawv ntawm kev sib tshooj ntawm cov txhuam cheb ntim yog: txhuam ib leeg yog 10 hli ~ 15 hli, sib xyaw txhuam yog 5 hli ~ 10 hli. Qhov kev ncua deb ntawm kev txhuam txhuam thiab daim txhuam cev yog 1 hli ~ 2 hli. Kev hloov kho ntawm lub raj mis nias lub taub hau. Thaum tsis muaj lub raj mis, lub taub hau nias yuav tsum yog 20 hli qis dua thaum muaj lub raj mis.
