齿轮在生活中的应用比较齿轮的异同ppt.ppt

* * Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 组装的时候应该注意些什么？ 齿轮的齿要相互咬在 齿孔中或链条孔中 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 结合实验记录表格商议：在实验的时候应该观察些什么? 怎样来观察才准确？各由谁来观察？ Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 转轮子的时候不能太快，还应该在轮子上和支架上做上记号，数出来的圈数才准确； 应该小组几个人各有分工，有人数大轮的圈数，有人数小轮的圈数；有人看大轮的方向，有人看小轮的方向； 边做实验边记录观察到的现象，特别是要及时记录两个齿轮分别转动的圈数和方向． Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 　　　　　　相互 咬合 用链条 连接 两个齿轮 力的方向相反 能传递力 力的方向相同 大轮转得慢， 小轮转得快； 转动的快慢 与齿轮的大小及齿数有关 课件验证 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.