NDLI: The influence of cutting forces on surface roughness in the milling of curved hardened steel surfaces

Content Provider	Springer Nature Link
Author	Kull Neto, Henrique Diniz, Anselmo Eduardo Pederiva, Robson
Copyright Year	2015
Abstract	The milling of dies and molds involves the machining of complex shapes from hardened steel. To allow deep cavities to be manufactured, milling cutters are usually long with a small diameter. Because of this and because of the cutting forces involved, they have a tendency to vibrate. In finishing operations, vibration is more critical as it can damage the surface quality of the die or mold, affecting end-product quality. Determining the components of the cutting forces may therefore help choose milling parameters that reduce surface roughness. In light of this, the present work seeks to provide a better understanding of the influence of milling parameters on cutting forces and surface finish when milling dies and molds. Milling tests were performed to investigate the effects of cutting strategy, lead angle and tool overhang (input variables) on cutting force components, and workpiece surface roughness (output variables). The results were evaluated by analysis of variance. The main conclusion was that surface roughness is directly related to radial force and that the cutting conditions that provided the lowest radial load (an upward strategy with a lead angle of 0°) produced the best surface roughness.
Starting Page	1209
Ending Page	1218
Page Count	10
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	84
Issue Number	5-8
e-ISSN	14333015
Language	English
Publisher	Springer London
Publisher Date	2015-09-12
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Milling of dies and molds Surface roughness Tool vibration Hardened steel Industrial and Production Engineering Production Mechanical Engineering Computer-Aided Engineering (CAD, CAE) and Design
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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