Module 4 Overview模块 4 概述

Overview 概述

You will have the opportunity to review some of the content from the Hardware course which will help you tie-in your previous design work to some important considerations when you go to print the parts.  As you go through the content, think about what these options mean for your design, and what kinds of choices you would make if you were to print your design from Module 3.
您将有机会回顾硬件课程的一些内容，这有助于您将之前的设计工作与打印部件时的一些重要考虑因素相结合。在浏览内容时，思考这些选项对您的设计意味着什么，如果您要从第 3 模块打印设计，您会做出哪些选择。

Time 时间

This module should take approximately 1.5 hours of dedicated time to complete, with its videos and assignments.
本模块完成大约需要 1.5 小时的专注时间，包括其视频和作业。

Lessons 课程

The lessons for this module are listed below (with assignments in bold italics):
本模块的课程如下（粗体斜体表示作业）：

Goals and Objectives 目标和目标

After you actively engage in the learning experiences in this module, you should be able to:
在您积极参与本模块的学习体验后，您应该能够：

• Understand the best printer options for your particular application.
  了解您特定应用的最佳打印机选项。
• Identify the proper output of your printer nozzle. 
  识别您的打印机喷嘴的正确输出。
• Describe the reasons to select a particular material for an application. 
  描述选择特定材料应用于某项应用的原因。
• Compare different material uses for your application. 
  比较您应用的不同材料使用。

Key Phrases/Concepts 关键词/概念

Keep your eyes open for the following key terms or phrases as you interact with the lecture videos and complete the activities. Please refer to the Glossary for definitions.
保持关注以下关键词或短语，在观看讲座视频和完成活动时。请参考词汇表以获取定义。

• Slicer  切片器
• Nozzle  喷嘴
• Infill  填充
• Layer Height  层高

Guiding Questions 引导问题

Develop your answers to the following guiding questions while watching lecture videos and working on assignments throughout the module:
在观看课程视频和完成模块作业的过程中，针对以下指导性问题发展你的答案：

• How can these topics apply to the design you made in Module 3?
  这些主题如何应用于你在第 3 模块中制作的设计？
• What can be done to speed up production of a design without compromising on its strength?
  如何在不影响其强度的前提下加快设计的生产速度？
• What can be done to speed up production of a design without compromising its surface finish?
  如何在不影响表面质量的情况下加快设计的生产速度？
• After designing for additive manufacturing, what impacts can your production processes choices have on your final part?
  设计用于增材制造后，您的生产过程选择会对最终部件产生哪些影响？

Getting and Giving Help 获取与给予帮助

You can get/give help via the following means: 您可以通过以下方式获得/提供帮助

• Use the Learner Help Center to find information regarding specific technical problems. For example, technical problems would include error messages, difficulty submitting assignments, or problems with video playback. If you cannot find an answer in the documentation, you can also report your problem to the Coursera staff by clicking on the Contact Us! link available on each topic's page within the Learner Help Center.
  使用学习帮助中心查找有关特定技术问题的信息。例如，技术问题包括错误信息、提交作业困难或视频播放问题。如果在文档中找不到答案，您还可以通过点击学习帮助中心每个主题页面上的“联系我们！”链接，向 Coursera 工作人员报告您的问题。
• Use the Content Issues forum to report errors in lecture video content, assignment questions and answers, assignment grading, text and links on course pages, or the content of other course materials. University of Illinois staff and community TAs will monitor this forum and respond to issues.
  使用内容问题论坛来报告讲座视频内容、作业问题及答案、作业评分、课程页面上的文本和链接，或其他课程材料的错误。伊利诺伊大学的工作人员和社区助教将监控此论坛并回应问题。