Vodilo krogličnega polža se imenuje tudi nagib, to je razdalja linearnega premika nagibnega vijaka na vrtljaj. Običajni razponi svinca so 1, 2, 4, 6, 8, 10, 16, 20, 25, 32, 40. Mali in srednji svinčni izdelki imajo običajno le 5 in 10, veliki svinčeni izdelki pa 1616, 2020, 2525, 3232, 4040 (prvi dve števki sta premer, zadnji dve pa vodilni). Za specifikacije modrega ledu si oglejte proizvodnjo monomera. Vodenje je povezano z linearno hitrostjo. Ko je vhodna hitrost konstantna, večja kot je napeljava, večja je hitrost. Predlog Lanbinga: poskusite izbrati 5 in 10 vodnikov.
The selected lead is related to the required movement speed and system, usually from 4, 5, 6, 8, 10, 12, 20. The size is larger, the lead can also be larger (mainly consider the bearing tooth thickness). When meeting the speed requirements, generally choose a smaller lead (conducive to improving the control accuracy); for high-speed occasions, the lead can be greater than 20; for the ground screw, the lead can be approximately equal to the nominal diameter (under grinding The limit of the helix angle), such as 32 (3232), 40 (4040), of course, it can be larger (non-grinding, but rarely considered). Under the same conditions, the larger the lead, the larger the rotating part, the larger the period error, and the faster the speed. Therefore, flexibility is required at high speeds, and abandoning part of the accuracy requirements will make the gap requirements less significant (increased lead accuracy deviation). Therefore, the large screw is generally a single nut.
Nagib je razdalja med dvema sosednjima nitima. Pitch in lead sta sorodna, vendar ne enakovredna pojma. Mnogi ljudje zamenjujejo smolo in vodstvo. Koncept svinca se nanaša na razdaljo, na katero se matica premakne po vijaku po enem vrtenju vijaka ali matice. Če gre za kroglični vijak z enojno -glavo, sta naklon in naklon enaka. V primeru krogličnega vijaka z več -glavi, naklon=pomnožen s številom glav vijakov. Če vijak premakne štiri (ali pet) vijakov na obrat, to pomeni, da je vijak štiri-navojni (ali pet-žični) vijak, splošno znan kot štiri-glav (ali pet-glav) vijak.
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