Subsistence and Stone Tool Technology: An Old World Perspective. Bradley J. Vierra. Anthropological Research Paper No. 47, Arizona State University, Tempe, 1995. xiii + 283 pp., figures, tables, appendixes, bibliography. $30.00 (paper).

1997 ◽  
Vol 62 (1) ◽  
pp. 167-169
Author(s):  
Lynn E. Fisher
Keyword(s):  
Research Paper ◽  
Stone Tool ◽  
State University ◽  
Arizona State University ◽  
Old World ◽  
Anthropological Research ◽  
Tool Technology ◽  
World Perspective

Teaching Four and Five-Axis CNC Machining

2004 ◽  
Author(s):  
David Zamora ◽  
Scott Danielson ◽  
Russel Biekert
Keyword(s):  
Educational Background ◽  
Design Tool ◽  
Cnc Machining ◽  
State University ◽  
Arizona State University ◽  
Engineering Technology ◽  
Technology Program ◽  
Similar Materials ◽  
Tool Technology ◽  
Five Axis

Traditional metal-based manufacturing processes are being driven to multi-axis machining. Manufacturing time studies have proven that there are significant cycle time reductions using multi-axis CNC machining as compared to multi-fixture CNC machining. Four and five-axis machining requires the use of software to produce both required part geometry and the resulting tool paths. However, while the software and machine tool technology are present, engineers with the appropriate educational background are harder to find. The skills required to design, tool, program, and machine four and five-axis parts are part of few, if any, educational programs. The manufacturing engineering technology program at Arizona State University is actively addressing this shortfall. Educational materials have been developed, tested and employed in classes supporting simultaneous 4-axis machining utilizing a Haas VF2 and HRT210 4th axis rotary table. Similar materials for a Haas VF2 with TR160 5-axis trunnion, capable of simultaneous 5-axis machining, are being beta tested.

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