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VI
CONTENTS
Abstract Ⅱ
Chapter1 Introduction 1
1.1 Machinery manufacturing technology introduction 1
1.2 Introduction to parts machining process 2
Chapter2 Parts and the analysis of the technology of production typeof sure 4
2.1 The role of the part 4
2.2 The analysis of the technology of parts 4
2.3 Parts of the production type 5
Chapter3 Selection and determine a blank,to seclect the blank design 6
3.1 Choose a blank 6
3.2 Determine the rough dimensions and tolerances 6
Chapter4 Select the processing method,the development of process routes 8
4.1 The choice of the base surface 8
4.2 The choice of the parts of surface processing methods 8
4.3 The formulation of the process 9
Chapter5 Process design 11
5.1 Choose machine 11
5.2 Choose the fixture 11
5.3 Select the tool according to different processes 12
5.4 Choose measuring tools 13
5.5 To determine the process size 15
Chapter6 Sure cutting the dosage and basic time 19
Chapter7 Fixture design 36
7.1 Designed to drill a Φ4mm hole and special fixture for thecountersink Φ8mm tapered counterbid 36
7.1.1Positioning scheme 36
7.1.2 The clamping the design requirements 37
7.1.3Calculation of cutting force and clamping force 37
7.1.4Guide components 38
7.1.5Fixture and machine connected components 38
7.1.6Clamping description 38
7.1.7Fixture characteristics 39
7.2 Special fixture for the bottom slot in the designal of parts 39
7.2.1Positioning scheme 39
7.2.2The clamping the design requirements 39
7.2.3Calculation of cutting force and clamping force 40
7.2.4Fixture designand of the operation explanation…..40
Conclusion 41
Thanks 42
References 43