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《DFMA面向制造與裝配的設(shè)計(jì)》英文版 第13-14部分（113頁(yè)）

• 資料介紹

  《DFMA面向制造與裝配的設(shè)計(jì)》英文版 第13-14部分（113頁(yè)）

  在產(chǎn)品設(shè)計(jì)階段，充分考慮來(lái)自于產(chǎn)品制造和裝配的要求，使得機(jī)械工程師設(shè)計(jì)的產(chǎn)品具有很好的可制造性和可裝配性，從根本上避免在產(chǎn)品開(kāi)發(fā)后期出現(xiàn)的制造和裝配質(zhì)量問(wèn)題。

  本附件包含以下內(nèi)容：

  Product Design for Manufacture and Assembly（Third Edition）

  13. Design for Investment Casting............ 559

  13.1 Introduction............ 559

  13.2 Process Overview......................... 559

  13.3 Pattern Materials.... 561

  13.4 Pattern Injection Machines.......... 561

  13.5 Pattern Molds..........563

  13.6 Pattern and Cluster Assembly.....563

  13.7 Ceramic Shell Mold.......................563

  13.8 Ceramic Cores........564

  13.9 Pattern Meltout.......565

  13.10 Pattern Burnout and Mold Firing............565

  13.11 Knockout and Cleaning...............565

  13.12 Cutoff and Finishing.....................566

  13.13 Pattern and Core Material Cost...566

  13.14 Wax Pattern Injection Cost..........568

  13.15 Fill Time................... 570

  13.16 Cooling Time.......... 570

  13.17 Ejection and Reset Time............... 571

  13.18 Process Cost per Pattern or Core............. 573

  13.19 Estimating Core Injection Cost... 574

  13.20 Pattern and Core Mold Cost........ 575

  13.21 Core Mold Cost....... 579

  13.22 Pattern and Cluster Assembly Cost......... 579

  13.23 Number of Parts per Cluster....... 581

  13.24 Pattern Piece Cost... 582

  13.25 Cleaning and Etching...................583

  13.26 Shell Mold Material Cost.............583

  13.27 Investing the Pattern Cluster.......584

  13.28 Pattern Meltout.......585

  13.29 Burnout, Sinter, and Preheat........585

  13.30 Total Shell Mold Cost....................585

  13.31 Cost for Melting Metal.................586

  13.32 Raw Base Metal Cost....................590

  13.33 Ready-to-Pour Liquid Metal Cost............590

  13.34 Pouring Cost...........590

  13.35 Final Material Cost........................ 591

  13.36 Breakout................... 592

  13.37 Cleaning.................. 593

  13.38 Cutoff....................... 593

  13.39 Design Guidelines......................... 596

  References... 597

  14. Design for Hot Forging......................... 599

  14.1 Introduction............ 599

  14.2 Characteristics of the Forging Process.... 599

  14.2.1 Types of Forging Processes......... 599

  14.3 Role of Flash in Forging...............600

  14.3.1 Determination of the Flash Land Geometry............. 601

  14.3.2 Amount of Flash..............603

  14.3.3 Webs in Forgings.............605

  14.4 Forging Allowances......................605

  14.5 Preforming during Forging.........606

  14.5.1 Die Layout......................... 611

  14.6 Flash Removal........ 613

  14.7 Classification of Forgings............. 614

  14.7.1 Forging Complexity......... 616

  14.7.1.1 Shape Complexity Factor............................... 616

  14.7.1.2 Number of Surface Patches in the Part........ 617

  14.8 Forging Equipment....................... 617

  14.8.1 Gravity Drop Hammers............... 617

  14.8.2 Double Acting or Power Hammers............................. 618

  14.8.3 Vertical Counterblow Hammers.............. 618

  14.8.4 Horizontal Counterblow Hammers............................ 619

  14.8.5 Mechanical Presses.......... 619

  14.8.6 Screw Presses................... 620

  14.8.7 Hydraulic Presses............ 620

  14.8.8 Choice of Forging Machine Type................................. 620

  14.8.9 Comparisons of Forging Equipment........................... 621

  14.9 Classification of Materials............ 621

  14.10 Forging Costs.......... 624

  14.10.1 Material Costs................... 626

  14.10.2 Equipment Operating Costs........ 627

  14.10.3 Examples of Equipment Selection............................... 629

  14.10.4 Forging Processing Costs............630

  14.10.5 Forging Machine Setup Costs..... 632

  14.11 Forging Die Costs...633

  14.11.1 Initial Die Costs................633

  14.11.2 Estimation of Costs for Multi-Impression Forging Dies.........................634

  14.11.2.1 Die Material Costs......634

  14.11.2.2 Multi-Impression Die Manufacturing Costs..........................636

  14.12 Die Life and Tool Replacement Costs......638

  14.13 Costs of Flash Removal................640

  14.13.1 Flash Removal Processing Costs.................................640

  14.13.2 Tooling Costs for Flash Removal.................................641

  14.14 Other Forging Costs.....................642

  14.14.1 Billet Preparation.............642

  14.14.2 Billet Heating Costs.........643

  References..........................646

   

  Index...........649

• 資料大小：
  7146.83KB
• 所屬類別：
  科研開(kāi)發(fā)
• 更新日期：
  2020-01-02
• 適用行業(yè)：
  電子電氣；材料分析；機(jī)械設(shè)備與裝置；特種設(shè)備；機(jī)動(dòng)車；醫(yī)療器械；計(jì)量與測(cè)量
• 上傳人：
  NJKY
• 標(biāo) 簽：

  DFMA 面向制造與裝配的設(shè)計(jì)

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