尺寸公差与表面粗糙度
合集下载
相关主题
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
3
尺寸公差 表面粗糙度 生产成本 经济生产 可生产的观点 轴承 承压面，支撑面 表面加工/可抛编光辑ppt
Sentence-analysis:
1. Because of the highly competitive nature of most manufacturing business, the question of finding ways to reduce cost is ever present.
2
可编辑ppt
New expressions
Dimensional tolerances Surface roughness Production cost Economic manufacturing Producibility standpoint Shaft bearing Bearing surface Surface finish
Dimensional tolerances and surface roughness
1
可编辑ppt
New words:
Locating Accuracy Sealing Interchangeability Piston finish
工件定位 精度，精确度 密封，绝缘 交替性 活塞 抛光磨光
由于大多数制造业高度竞争的天性，找到降低 成本的方法是永恒的问题。
4
可编辑ppt
Sentence-analysis:
2. Designing for function, interchangeability, quality, and economy requires a careful study of tolerances, surface finishes, processes, materials and equipment.
设计工程师无需知道怎样操作具体的机器来获得期望 的表面粗糙度，但是应该理解每一种机械加工方法的 诸多特定方面。
8
可编辑ppt
Sentence-analysis:
Knowledge of such facts as degree of all roughness obtained by any operation, and the economics of attaining a smoother surface with each operation, will aid the design engineer in deciding just which surface roughness to specify.
10
Байду номын сангаас
可编辑ppt
每种操作所能获得的表面粗糙度及其成本等方 面的知识有助于设计工程师确定所需的表面粗 糙度。
9
可编辑ppt
Thoughts
1. What is the secret in the film? 2. Do you agree with the secret? Why? (no
less than 80 words)
光洁度和尺寸公差在最终效果（成品） 或者没有实际加工的设计中起重要作用。
6
可编辑ppt
Sentence-analysis:
4. Details of all parts should be surveyed
carefully to assure not only inexpensive
processing but also rapid, easy assembly and
所有零件的细节都应该被仔细调查以确保工艺不仅简
单快捷、容易安装，而且维修方便。这就必须记住每
个加工方法都有一个已建立的适当的精度等级以维持
7
连续加工而不超出正常的基本成本。
可编辑ppt
Sentence-analysis:
5. Without needing to know how to operate a particular machine to attain the desired degree of surface roughness, there are certain aspects of all machining methods which should be understood by the design engineer.
maintenance. It must be remembered that each
production method has a well-established level of
precision which can be maintained in continuous
production without exceeding normal basic cost.
功能、互换性、质量和经济性的设计都要求对 公差、表面光洁度、工艺、材料和装备进行仔 细研究。
5
可编辑ppt
Sentence-analysis:
3. Tolerances on finish and dimensions play an important role in the final achievement or absence of practical production design.
尺寸公差 表面粗糙度 生产成本 经济生产 可生产的观点 轴承 承压面，支撑面 表面加工/可抛编光辑ppt
Sentence-analysis:
1. Because of the highly competitive nature of most manufacturing business, the question of finding ways to reduce cost is ever present.
2
可编辑ppt
New expressions
Dimensional tolerances Surface roughness Production cost Economic manufacturing Producibility standpoint Shaft bearing Bearing surface Surface finish
Dimensional tolerances and surface roughness
1
可编辑ppt
New words:
Locating Accuracy Sealing Interchangeability Piston finish
工件定位 精度，精确度 密封，绝缘 交替性 活塞 抛光磨光
由于大多数制造业高度竞争的天性，找到降低 成本的方法是永恒的问题。
4
可编辑ppt
Sentence-analysis:
2. Designing for function, interchangeability, quality, and economy requires a careful study of tolerances, surface finishes, processes, materials and equipment.
设计工程师无需知道怎样操作具体的机器来获得期望 的表面粗糙度，但是应该理解每一种机械加工方法的 诸多特定方面。
8
可编辑ppt
Sentence-analysis:
Knowledge of such facts as degree of all roughness obtained by any operation, and the economics of attaining a smoother surface with each operation, will aid the design engineer in deciding just which surface roughness to specify.
10
Байду номын сангаас
可编辑ppt
每种操作所能获得的表面粗糙度及其成本等方 面的知识有助于设计工程师确定所需的表面粗 糙度。
9
可编辑ppt
Thoughts
1. What is the secret in the film? 2. Do you agree with the secret? Why? (no
less than 80 words)
光洁度和尺寸公差在最终效果（成品） 或者没有实际加工的设计中起重要作用。
6
可编辑ppt
Sentence-analysis:
4. Details of all parts should be surveyed
carefully to assure not only inexpensive
processing but also rapid, easy assembly and
所有零件的细节都应该被仔细调查以确保工艺不仅简
单快捷、容易安装，而且维修方便。这就必须记住每
个加工方法都有一个已建立的适当的精度等级以维持
7
连续加工而不超出正常的基本成本。
可编辑ppt
Sentence-analysis:
5. Without needing to know how to operate a particular machine to attain the desired degree of surface roughness, there are certain aspects of all machining methods which should be understood by the design engineer.
maintenance. It must be remembered that each
production method has a well-established level of
precision which can be maintained in continuous
production without exceeding normal basic cost.
功能、互换性、质量和经济性的设计都要求对 公差、表面光洁度、工艺、材料和装备进行仔 细研究。
5
可编辑ppt
Sentence-analysis:
3. Tolerances on finish and dimensions play an important role in the final achievement or absence of practical production design.