3252| 6
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開開口傳動(dòng)的小帶輪包角是哪個(gè)角,? |
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點(diǎn)評(píng) | ||
點(diǎn)評(píng)
不是,,是圓弧角,。更準(zhǔn)確的說(shuō),包角α是指帶與帶輪接觸弧所對(duì)的圓心角,。包角越大,,接觸弧長(zhǎng)越長(zhǎng),接觸面間所產(chǎn)生的摩擦力總和也越大,,傳動(dòng)越不容易打滑,。
是兩條公切線的夾角嗎
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