拖拉机拨叉铣专机（卧式）【副变速拨叉工艺和夹具设计】【含10张CAD图纸+PDF图】
拖拉机拨叉铣专机（卧式）【副变速拨叉工艺和夹具设计】【含10张CAD图纸+PDF图】,副变速拨叉工艺和夹具设计,含10张CAD图纸+PDF图,拖拉机,拨叉铣,专机,卧式,变速,工艺,夹具,设计,10,CAD,图纸,PDF
目 录
1 前言·····························································1
2 总体方案论证······················································3
2.1被加工零件分析···············································3
2.2 毛坯的选择···················································3
2.3基准选择·····················································5
2.4拟订机械加工工艺路线·········································5
2.5确定机械加工余量、工序尺寸及公差······························7
2.6 选择机床设备及工艺装备·······································7
3 金属切削用量的选择与计算····································8
3.1刀具的选择···················································8
3.2切削用量的选择以及计算·······································8
4 机械传动装置的总体设计············································9
4.1分析和拟订传动装置···········································9
4.2 减速机的选择················································9
4.3带轮的设计计算··············································10
5 弹簧夹头的特点以及设计计算······································14
5.1弹簧夹头的介绍··············································15
5.2弹簧夹头的夹紧力的影响因素··································15
6 轴的强度校核····················································16
6.1 求轴上载荷··················································16
6.2绘制弯矩图和扭矩图··········································16
6.3 弯矩合成强度校核············································16
6.4疲劳强度安全系数············································16
7 结论······················································21
参考文献······················································22
致谢······················································23
附录······················································24
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副变速拨叉工艺和夹具设计
含10张CAD图纸+PDF图
拖拉机
拨叉铣
专机
卧式
变速
工艺
夹具
设计
10
CAD
图纸
PDF
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拖拉机拨叉铣专机（卧式）【副变速拨叉工艺和夹具设计】【含10张CAD图纸+PDF图】,副变速拨叉工艺和夹具设计,含10张CAD图纸+PDF图,拖拉机,拨叉铣,专机,卧式,变速,工艺,夹具,设计,10,CAD,图纸,PDF
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