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Abstract:
In the end
milling process, the elements which influence generation of milled
surfaces include milling force/torque, machine tools’ and workpieces’
characters, and so on. Through studying these elements, based on the
relationship between milling force/torque and instantaneous underformed
chip thickness, an analytical model for end milling surface error with
considering cutting force/torque was buit to predict the surface
geometrical error in the end milling conditions. Compared with the
numerical model, the analytical model is more propitious to studying
relationship between process parameters and surface geometrical error.
It is also useful to identify the relationship between process
parameters and workpieces’ quality, product designing, process planning
and controlling. It is a useful aid for the analytical of end milling
process design and optimization. A serial of cutting experiments were
performed to verify the ability of the models to predict surface
geometrical error. Through simulation test, some useful conclusions were
drawn.
Key words:
Milling
modeling Surface error Milling force Milling torque
CLC No: TG5
国家自然科学基金资助项目: 重点基金；面上基金. Received 19990830,
received in revised form 20000820
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