《DFMA面向制造与装配的设计》英文版 第9-10部分(86页)
在产品设计阶段,充分考虑来自于产品制造和装配的要求,使得机械工程师设计的产品具有很好的可制造性和可装配性,从根本上避免在产品开发后期出现的制造和装配质量问题。
本附件包含以下内容:
Product Design for Manufacture and Assembly(Third Edition)
9. Design for Sheet Metalworking....... 375
9.1 Introduction..... 375
9.2 Dedicated Dies and Pressworking.................... 376
9.2.1 Individual Dies for Profile Shearing.... 377
9.2.2 Cost of Individual Shearing Dies......... 381
9.2.3 Individual Dies for Piercing Operations.... 387
9.2.4 Individual Dies for Bending Operations....389
9.2.5 Individual Dies for Deep Drawing...... 392
9.2.6 Miscellaneous Features.......................... 398
9.2.7 Progressive Dies............ 399
9.3 Press Selection....400
9.3.1 Cycle Times....................405
9.4 Turret Pressworking..................407
9.5 Press Brake Operations............. 410
9.6 Design Rules.... 413
References.................. 421
10. Design for Die Casting.......................423
10.1 Introduction.....423
10.2 Die-Casting Alloys.....................423
10.3 Die-Casting Cycle......................425
10.4 Die-Casting Machines...............425
10.4.1 Die-Mounting and Clamping Systems....425
10.4.2 Metal-Pumping and Injection Systems....426
10.4.3 Hot-Chamber Machines........................426
10.4.4 Cold-Chamber Machines.......................427
10.5 Die-Casting Dies........................428
10.5.1 Trimming Dies..............429
10.6 Finishing..........429
10.7 Auxiliary Equipment for Automation.............. 431
10.8 Determination of the Optimum Number of Cavities................. 431
10.9 Determination of Appropriate Machine Size....436
10.9.1 Required Machine Clamp Force...........436
10.9.2 Shot Volume and Material Cost per Part....438
10.9.3 Dimensional Machine Constraints......439
10.10 Die Casting Cycle Time Estimation...................441
10.10.1 Ladling of Molten Metal........................441
10.10.2 Metal Injection...............441
10.10.3 Metal Cooling................442
10.10.4 Part Extraction and Die Lubrication....446
10.10.5 Trimming Cycle Time............................448
10.11 Die Cost Estimation...................449
10.11.1 Die Set Costs..................449
10.11.2 Cavity and Core Costs............................450
10.11.3 Trim Die Costs............... 451
10.12 Assembly Techniques................453
10.13 Design Principles.......................455
References..................458
您的评论: 推荐
发表评论 可以输入500字