模具與數控專業(yè)英語

內容概要

　　本書介紹了與模具設計及與數控技術專業(yè)有關的英語知識?！赌＞吲c數控專業(yè)英語》共分為模具設計與數控技術兩部分，共有12個單元、28篇課文、28篇閱讀材料，主要內容包括：模具材料與熱處理、沖壓模具設計、塑料模具設計、壓力鑄造模具設計、沖壓模具與注射模具零件、沖壓與塑壓成形設備、數控／計算機數控加工技術的應用、數控加工設備、數控機床的控制系統、數控編程、數控加工中心的主要技術規(guī)格和特種加工設備等。
　　全書由課文、閱讀材料、單詞與詞組、難句注釋、課文譯文等部分組成。
　　本書適合作為高職高專院校模具專業(yè)與數控專業(yè)的英語教材或閱讀材料，也可作為從事模具設計與制造、數控技術方面工作的工程技術人員的自學參考用書。

書籍目錄

Part I Die and Mold Design
Unit 1 The Die and Mold Materials and Heat Treatment
Lesson 1 Die and Mold Steels
Lesson 2 The Purpose of Heat Treatment
Reading Materials (1) Carbon Steels and Alloy Steels
Reading Materials (2) Types of Heat Treatment
Unit 2 Die Design
Lesson 3 Deformation Modes in Sheet Forming
Lesson 4 Piercing Die Design
Lesson 5 Bending Die Design
Reading Materials (3) Blanking Die Design
Reading Materials (4) Drawing Die Design
Reading Materials (5) Compound Die Design
Unit 3 The Plastic Mold Design
Lesson 6 Plastics and Classification of Plastics
Lesson 7 Thermoplastic Mold Design
Lesson 8 Transfer and Injection Molding
Reading Materials (6) Characteristics of Forming for Plastic
Material
Reading Materials (7) Thermosetting Mold Design
Reading Materials (8) Compression Molding
Unit 4 Pressure Die-casting Die Design
Lesson 9 The Assembly of Pressure Die-casting Dies
Reading Materials (9) The Die Insert
Unit 5 The Parts for Die and Molds
Lesson 10 Die Part——Stock Stop
Lesson 11 Plastic Injection Mold Parts
Lesson 12 Standard Die and Mold Base
Lesson 13 Types of Injection-molding
Reading Materials (10) Pilots
Reading Materials (11) Design of Guides for the Parts to Be
Molded
Reading Materials (12) Knockout Bars
Reading Materials (13) The Economics of Injection-molding
Products
Unit 6 The Forming and Molding Equipment
Lesson 14 Types of Press
Lesson 15 The Injection-molding Machine
Lesson 16 The Specifications of Press
Reading Materials (14) Main Components of Press
Reading Materials (15) Components of Injection-molding
Machine
Reading Materials (16) The Specifications of Injection-molding
Machine
Part Ⅱ NC Technology
Unit 7 The Applications of NC/CNC Machining Technology
Lesson 17 The Applications of NC/CNC
Lesson 18 Definition of CNC Machines
Reading Materials (17) CNC Machining Centers
Reading Materials (18) Classification of CNC Machines
Unit 8 NC/CNC Machining Equipment
Lesson 19 Types of CNC Machining Centers
Lesson 20 CNC Turning Center
Reading Materials (19) The Advantages of CNC Machines
Reading Materials (20) The Disadvantages of CNC Machines
Unit 9 The Control System of CNC Machines
Lesson 21 Open-loop Control System
Lesson 22 Closed-loop Control System
Reading Materials (21) Coordinate System of CNC Machines
Reading Materials (22) Type of Control System for Tool
Movements
Unit 10 NC Programming
Lesson 23 Basic Requirements of NC Machine Control
Lesson 24 Interpolation Commands of CNC Lathes
Reading Materials (23) Setup Procedure
Reading Materials (24) Debugging the Program
Unit 11 Main Specification of CNC Machining Centers
Lesson 25 Specification for CNC Horizontal Machining Center
Lesson 26 Specification for CNC Vertical Machining Center
……
Unit 12 The Special-Purpose Machining Equipment
參考譯文
參考文獻

章節(jié)摘錄

　　The debugging process begins after the part program has been successfully loaded. First， the setup person locks the machine and runs the program using only the output from the MCU. This is done to check if the controller recognizes all the codes in the program. If this test is successful， the program can be run with the machine Z-axis locked. This will guard against any possible collisions between the tool and the work holding or part itself. Next is the so-called "dry" run with the part removed. During this test the setup person slows down the rapid feeds and speeds up the actual feeds. These tests will indicate whether the program runs and if there are any extraordinary moves which could cause a collision of the work and/or work holding with the cutting tool. To verify if the program produces a proper part， a blank must be loaded and cut. I~ the production blanks are made of costly material， some shops may first cut a test part using aluminum， wax， wood and so on. This saves on material， cutting tools， and prove-out time.　　The actual cutting test is run in single-block mode（versus automatic mode）. This is done to give the setup person time to see the effects of each command and aids in spotting a wrong move. The program is further optimized by eliminating any unnecessary moves. After the part is completed， it is measured to determine if the drawing， operation sheets， and programmer specifications have been satisfied. Adjustments are made. If necessary， another part is made and checked by the quality control department. If everything is found to be satisfactory， the part goes into production. 　　……

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