santimita nawa ne inci ɗaya ya yi daidai da ƙafar duniya?

A masana'antar siminti, diamita na simintin simintin inci ɗaya shine santimita 2.5, ko kuma milimita 25. Misali, idan kana da simintin simintin inci 4, diamita shine 100mm, faɗin simintin kuma shine kusan milimita 32.

Caster kalma ce ta gama gari wadda ta haɗa da casters masu motsi da casters masu tsayayye. Casters masu motsi, waɗanda aka fi sani da casters na duniya, ana siffanta su da tayoyi huɗu a ƙasa kuma suna iya juyawa digiri 360. Duk da haka, lokacin juyawar tayoyi na duniya, yana da mahimmanci a guji karkatar da shi da yawa ko juya shi a tsaye, domin wannan na iya haifar da lalacewa ga tayoyin ko rage tsawon lokacin aikinsa.

Bugu da ƙari, ƙafafun duniya yana da nau'ikan amfani iri-iri, kamar kekunan hawa, kekunan kaya, kayan aiki na zamani, ƙananan kayan saukar jiragen sama da sauransu. A lokaci guda, tsarin kera ƙafafun duniya yana inganta, kamar amfani da kayan polyurethane masu aiki sosai waɗanda aka ƙera ƙafafun duniya, tare da juriyar mai, juriyar zafi mai ƙarancin zafi, juriyar gogewa, juriyar tasiri da sauran fa'idodi, don sanya amfani da shi a lokuta daban-daban ya fi aminci da aminci.