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机械自动弯管机设计论文
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目 录
1 绪论····························································1
1.1 弯管机在工业中的地位·····································1
1.2 弯管机的基本原理与选择···································2
2 弯管机的设计··················································4
2.1 工件的工艺分析·············································4
2.2 计算弯曲力矩···············································4
2.3 电机的选取··················································5
2.4 传动比的计算与各传动装置的运动参数····················6
2.5 皮带与皮带轮的计算与选取································8
2.6 蜗轮蜗杆减速箱的计算与选取······························9
2.7 联轴器的计算与选取········································9
2.8 轴承的选取·················································10
2.9 轴的初步计算与设计及校核·······························10
2.10 齿轮的计算与设计·········································15
2.11 大小齿轴前后端盖及轴承座的结构设计···················17
2.12 轴套的结构设计············································20
2.13 盖板的结构设计与计算····································20
2.14 机身的结构设计与计算····································22
2.15 弯管机的主要参数·········································23
3 挡料架的结构设计············································24
3.1 挡料架的结构设计··········································24
4用电器选择与电路·············································26
4.1 各用电器的选择与电路设计································26
总结·····························································29
参考文献························································31
致谢·····························································32
1绪 论
1.1自动弯管机在工业中的地位
现今工业发达，无论是哪一种机器设备、健身器材、家具等几乎都有结构钢管，有导管，用以输油、输气、输液等，而在飞机、汽车及其发动机，健身器材，家具等等占有相当重要的地位。各种管型品种之多、数量之大、形状之复杂，给导管的加工带来了不少的困难。对于许多小企业，家庭作坊，或者大企业中需要配管的场合，如工程机械上的压力油管，机床厂的液压管道发动机的油管健身器材的弯管等等，这些场合可能不需要功能全的弯管机，且加工的管件的难度不高，简易手动型的弯管机很可能适应。这系列弯管机采用手动夹紧，机械弯曲，机器结构简单，控制元件极少，因此价格上比较容易被用户接受。
市面上现有的自动弯管机大多数是液压的，数控的(如图1-1,1-2)，也有机械传动的，但它们的占地面积较大(长度在2.5~4m之间)，价格昂贵(2~5万元人民币或更多)，然而大多数用户都需求是是小占地面积小价格便宜使用方便的自动
本设计便是朝这方面的用途方面设计的自动弯管机，设计出一种价格便宜,占地面积少,使用方便的自动弯管机（长0.9M，宽0.8M，高1.1M，价格
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