Feasibility Study on CNC Multioperation Grinding of Jet Engine Components Using Force Sensing Adaptive Control

This report describes methods fro reducing costs in grinding jet engine components using computer control with grinding force sensors to obtain improved gridning performance. Multioperation grinding using two wheelheads on the same cross slide as well as on separate slides is discussed. A method for...

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Bibliographic Details
Main Author: Hahn,Robert S
Format: Report
Language:English
Subjects:
ADAPTIVE CONTROL SYSTEMS
CNC grinding method
COMPUTER AIDED DESIGN
COMPUTER APPLICATIONS
Computer Programming and Software
COMPUTER PROGRAMS
CREEP
DETECTION
ENGINE COMPONENTS
GRINDING
JET ENGINES
MACHINE TOOL INDUSTRY
Machinery and Tools
MACHINING
Mfg & Industrial Eng & Control of Product Sys
Non-electrical Energy Conversion
PE61102F
THERMAL EXPANSION
THERMAL PROPERTIES
WEAR
WUAFOSR2305K1
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Summary:This report describes methods fro reducing costs in grinding jet engine components using computer control with grinding force sensors to obtain improved gridning performance. Multioperation grinding using two wheelheads on the same cross slide as well as on separate slides is discussed. A method for eliminating thermal size errors is presented. Formulas are given for estimating grinding cycles, stock-removal rates & wheelwear rates for both normal workspeed grinding and creep feed grinding. The computer, with the force sensors, can monitor differential wheelwear and thereby prevent form errors. Wheel sharpness can also be monitored to avoid thermal damage. (Author)