电玩城游戏大厅

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                                专业机械设备领域精密齿轮制造商标准件厂家直供

                                电玩城游戏大厅 同步带轮常见问题

                                同步带轮直径算法

                                同步带轮节距3mm 齿数36齿 (节距3mm的同步带轮分别有四种齿形 AT3 S3M HTD3M P3) 节圆外径:34.38 外径:33.62 档边外径:40 档边内径:27 节圆外径计算方法: 齿数36*节距3/pai 3.1415926=34.38

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