TAILIEUCHUNG - Cutting Tools Episode 1 Part 5

Tham khảo tài liệu 'cutting tools episode 1 part 5', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Upcoming Chapters Metal Removal Cutting-Tool Materials Metal Removal Methods Machinability of Metals Single Point Machining Turning Tools and Operations Turning Methods and Machines Grooving and Threading Shaping and Planing Hole Making Processes Drills and Drilling Operations Drilling Methods and Machines Boring Operations and Machines Reaming and Tapping Chapter 5 Turning Methods Machines Multi Point Machining Milling Cutters and Operations Milling Methods and Machines Broaches and Broaching Saws and Sawing Finishing Processes Grinding Wheels and Operations Grinding Methods and Machines Lapping and Honing George Schneider Jr. CMfgE Professor Emeritus Engineering Technology Lawrence Technological University Former Chairman Detroit Chapter ONE Society of Manufacturing Engineers Former President International Excutive Board Society of Carbide Tool Engineers Lawrence Tech. Univ. http Prentice Hall http Introduction The basic engine lathe which is one of the most widely used machine tools is very versatile when used by a skilled machinist. However it is not particularly efficient when many identical parts must be machined as rapidly as possible. As far back as 1850 there were efforts to develop variations of an engine lathe that could be operated by a relatively unskilled person for mass producing machined parts. The cutting tools were preset or set up by a skilled machinist and usually several cutting tools were in operation at the same time reducing the time spent in machining each part. This is still the basic concept on which mass- production type lathes are based. The turret lathe and automatic screw machine in their various forms have been developed and improved with the objectives of producing machined parts more rapidly and accurately at lower cost. On most machines of this type the power available at the spindle has been greatly increased to take advantage of better cutting tool material. Mechanical power in electrical .

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