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文档分类:汽车/机械/制造

三辊卷板机设计.doc


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三辊卷板机设计.doc
文档介绍:
三辊卷板机设计



摘 要

本设计是关于对称式三辊卷板机的设计,主要对卷板机上、下辊及减速器进行设计和计算。
设计前部分详细阐述了卷板机上、下辊结构设计和受力分析。板机结构型式为三辊对称式, 在该结构中上辊下压提供压力,两下辊做旋转运动,为卷制板材提供扭矩。它具有结构简单、体积小、重量轻、经济、等优点。动力源则选择了YZ系列YZ160L—6型电机,其工作特性优于Y系列电机,适用于有轻微震动,正反转且转速不高的场合。
总体设计后部分所涉及的减速器采用了三级展开式圆柱齿轮结构。齿轮材料为40Cr,并经调质及表面淬火。校核齿轮、轴、键、轴承确保了设计的实际可行性。



关键词: 卷板机;电动机;减速器;键;齿轮














ABSTRACT

This design is about the three-roller symmwtry rolling machine,mainly calcats the up and down roller and the decelerator
During the front process of the design,the rolling machine`s structucre design and the analysis of strength are described. The rolling machine` structure is three-roller symmetry. Pressure provides pressure under owing structure the above-average roller , the roller does revolution sport under two , sheet material provides moment of torsion to roll of system.It has a series of advantages such as simply structure,small volume,light weight,economical and so on.YZ type YZ-160L-6 motor is selected as the power source,which adapts situation such as slience quenching and light reverse velocity.
The last part of the paper is ahout decelerator which is choosing triple expanding columm gear constiuction .The material of gear is 40Cr which has been hardening surface.The gears, axes, keys, bearings are checked, so to confirm this design is practical



Key words: Rolling machine;Motor;Decelerator;Key;Gear










4.1.1上下辊的参数选择………………………………………………………10
4.1.2主电机的功率确定………………………………………………………10
4.2 上辊的校核………………………………………………………………………19
4.2.1上辊结构及受力图………………………………………………………20
4.2.2刚度校核…………………………………………………………………20
4.2.3上辊强度校核……………………………………………………………21
4.2.4疲劳强度安全校核………………………………………………………21
4.2.5上辊在卸料时的校核………………………………………………………22
4.3 下辊的校核………………………………………………………………………22
4.3.1下辊结构及受力图………………………………………………………23
4.3.2下辊刚度校核……………………………………………………………24
4.3.3下辊弯曲强度校核………………………………………………………24
4.3.4下辊疲劳强度校核………………………………………………………24
4.4 本章小结………………………………………………………………
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