TAILIEUCHUNG - Cutting Tools P7

Both the shaper and the planer are single point tools and cut only in straight lines. They both make the same types of cuts. The shaper handles relatively small work. The planer handles work weighing up to several tons. The cutting stroke of the shaper is made by moving the tool | 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 7 Shaping Planing Multi Point Machining Milling Cutters and Operations Milling Methods and Machines Broaches and Broaching Saws and Sawing Abrasive Processes Grinding Wheels and Operations Grinding Methods and Machines Lapping and Honing Introduction Both the shaper and the planer are single point tools and cut only in straight lines. They both make the same types of cuts. The shaper handles relatively small work. The planer handles work weighing up to several tons. The cutting stroke of the shaper is made by moving the tool bit attached to the ram. The cutting stroke of the planer is achieved by moving the work past a stationary tool bit. The types of cuts which can be made with either machine are shown in Figure . 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 . http Prentice Hall http Both the shaper and the planer usually cut only in one direction so that the return stroke is lost time. However the return stroke is made at up to twice the speed of the cutting stroke. The Shaper The shaper is a relatively simple machine. It is used fairly often in the toolroom or for machining one or two pieces for prototype work. Tooling is simple and shapers do not always require operator attention while cutting. The horizontal shaper is the most common type and its principal components are shown in Figure and described as follows FIGURE Typical .

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