數(shù)控技術(shù)概述-資料下載頁(yè)
2025-01-01 01:54本頁(yè)面
【正文】 automatic tool changer and tool has the ability to perform drilling, turning, reaming, boring, milling, contouring, and threading operations on a single machine. . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Application of CNC Machine Tool Application Machine center (加工中心 ) Machining centers are classified as either vertical or horizontal. Vertical machining centers continue to be widely accepted and used, primarily for flat parts and where threeaxis machining is required on the surface of a single part such as the mold and the die. Horizontal machining centers are particularly used for the large,boxy, and heavy parts. . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Application of CNC Machine Tool Application Machine center (加工中心 ) . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Application of CNC NonMachine Tool Application Punch presses for sheet metal hole punching (數(shù)控沖床 ) The twoaxis NC operation is similar to that of a drill press except that holes are produced by punching rather than by drilling. . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Application of CNC NonMachine Tool Application Presses for sheet metal bending (數(shù)控折彎?rùn)C(jī) ) Instead of cutting sheet metal, these systems bend sheet metal according to programmed mands. . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Application of CNC NonMachine Tool Application Welding machine (數(shù)控焊接機(jī) ) Both spot welding and continuous arc welding machines are available with automatic controls based on NC. . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Application of CNC NonMachine Tool Application Thermal cutting machine (數(shù)控?zé)崆懈顧C(jī) ) Such as oxyfuel cutting(火焰切割 ),laser cutting(激光切割 ), and plasma arc cutting(等離子電弧切割 ). The stock is usually flat。 thus twoaxis control is laser cutting machines can cut holes in preformed sheet metal stock, requiring four or five axis control. . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Application of CNC NonMachine Tool Application Tube bending machine (數(shù)控彎管機(jī) ) Automatic tube bending machines are programmed to control the location and the angle of the applications include frames of bicycles and motorcycles. . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL FEATURES OF NC AND ITS APPLICATIONAREAS Advantages and Disadvantages of NC NC has many benefits and advantages over manual production methods, but NC is more sophisticated technology than conventional production methods. . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Advantages and Disadvantages of NC Advantages of NC (1)Greater accuracy and repeatability (2)More plex part geometries are possible (3)Nonproductive time is reduced (4)Lower scrap rates (5)Inspection requirements are reduced (6)Engineering changes can be acmodated more gracefully . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Advantages and Disadvantages of NC Advantages of NC (7)Simpler fixtures are needed (8)Shorter manufacturing lead times (9)Reduced parts inventory (10)Less floor space required (11)Operator skilllevel requirements are reduced . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Advantages and Disadvantages of NC Disadvantages of NC (1)Higher investment cost (2)Higher maintenance effort (3)Part program (4)Higher utilization of NC equipment . Chapter 1 INTRODUCTION TO NUMERICAL CONTROL Application Areas for NC Machine Tools NC is best suited to relatively low volume runs of plex and varied ponents .NC can also be used to produce large numbers of plex ponents and /or small numbers simple ones. 謝謝觀看 /歡迎下載 BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH
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