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📋 齒輪引數公式
標準直齒圓柱齒輪:
分度圓 d = m·z | 齒頂圓 da = d + 2·ha*·m | 齒根圓 df = d − 2·(ha*+c*)·m
基圓 db = d·cosα | 中心距 a = (d1+d2)/2 = m·(z1+z2)/2
齒距 p = π·m | 分度圓齒厚 s = π·m/2
傳動比 i = z2/z1