齿轮的齿距和模数表示什么意思?模数的大小对齿轮和轮齿各有什么影响?

2024-12-11 09:30:41
推荐回答(5个)
回答1:

模数——齿距p与圆周率π的比值(m=p/π),以毫米为单位。模数齿轮设计中的一个最基本参数。模数越大,轮齿越高也越厚,齿根强度就越大;如果齿轮的齿数一定,模数越大,齿轮的径向尺寸也越大。

端面齿距pt──相邻两齿同侧端面齿廓之间的分度圆弧长。

扩展资料

齿轮可按齿形、齿轮外形、齿线形状、轮齿所在的表面和制造方法等分类。齿轮的齿形包括齿廓曲线、压力角、齿高和变位。渐开线齿轮比较容易制造,因此现代使用的齿轮中 ,渐开线齿轮占绝对多数,而摆线齿轮和圆弧齿轮应用较少。

在压力角方面,小压力角齿轮的承载能力较小;而大压力角齿轮,虽然承载能力较高,但在传递转矩相同的情况下轴承的负荷增大,因此仅用于特殊情况。而齿轮的齿高已标准化,一般均采用标准齿高。变位齿轮的优点较多,已遍及各类机械设备中。

另外,齿轮还可按其外形分为圆柱齿轮、锥齿轮、非圆齿轮、齿条、蜗杆蜗轮;按齿线形状分为直齿轮、斜齿轮、人字齿轮、曲线齿轮;按轮齿所在的表面分为外齿轮、内齿轮;按制造方法可分为铸造齿轮、切制齿轮、轧制齿轮、烧结齿轮等。

参考资料来源:百度百科—齿轮

回答2:

齿轮的齿距,是相邻两齿同侧齿廓(渐开线)之间分度圆弧长。
模数,是齿距与π(圆周率)的比值。
模数大,齿就强壮、厚实;齿轮的尺寸就大。

回答3:

模数=齿距/圆周率
齿距和模数说的是一个意思
但模数与齿轮大小无必然关系,大齿轮的模数可能很小,小齿轮的模数可能很大
标准齿轮的齿高=2.25倍的模数,齿厚=0.5*3.14*模数,即模数越大,轮齿越大

回答4:

只有齿条才有齿距这个术语,模数简单来说就是代表齿轮牙齿的大小。齿轮模数越大,传递的功率越大,抗弯强度也越大。齿数决定齿轮的传动比

回答5:

齿距 是表示齿轮分度圆上两个相邻的齿的距离。
模数 模数一般会告诉你的,他是两个齿轮列和的条件之一,M1=M2,要想求的话要从端面模数哪
里算
当齿数不变的话,模数越大齿轮就越大D=M×Z,轮齿就会越大,反之。

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