A model of micro-milling cutting forces based on micro-cutting experiments including tool eccentricity and deflection

نویسندگان

چکیده

In this study, a model of micro-milling cutting forces based on elementary experiments is developed. Elementary tests were used to identify the parameters new that includes uncut chip thickness and effect edge radius. This assumes straight rigid tool divided into two terms represent ploughing shearing regimes. The complex shape micro-end-mill decomposed linear edges which force can be applied. during rotation path deviation due run-out deflection. Micro-milling performed using with same geometry as in AISI 6F7 steel. Comparisons between experimental results show good correlation. extended ball-nose consider wide range operations predict avoid machining errors deflection even breakage.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Modeling the Influence of Tool Deflection on Cutting Force and Surface Generation in Micro-Milling

In micro-milling, cutting forces generate non-negligible tool deflection, which has a significant influence on the machining process and on workpiece accuracy. This paper investigates the tool deflection during micro-milling and its effect on cutting force and surface generation. The distribution of cutting forces acting on the tool is calculated with a mathematical model that considers tool el...

متن کامل

Modeling of three-dimensional cutting forces in micro-end-milling

A new nominal uncut chip thickness algorithm for micro-scale end-milling is proposed by considering the combination of an exact trochoidal trajectory of the tool tip and tool run-out, and then the actual uncut chip thickness may be obtained from a comparison between the current accumulative uncut chip thickness and the minimum chip thickness. Due to the intermittency of the chip formation, the ...

متن کامل

Fuzzy cutting force modelling in micro-milling

Reliable prediction of cutting forces is essential for micromilling. In this paper, a fuzzy cutting force modelling method based on subtractive clustering method filters the noise and estimates the instantaneous cutting forces using observations acquired by sensors during cutting experiments. In the experimental case study, four data sets of micromilling cutting force are used. Each data set is...

متن کامل

Experimental Measurement of NC Machine Tool Milling Cutting Forces

Experimental measurement of the cutting forces in milling processes can be a useful tool to validate standard and non-conventional milling models to be adopted in most industrial applications. As an example, such models can be used to design the machine tool components and fixtures, to choose the technological process parameters and to define process monitoring and diagnostic tools such as moni...

متن کامل

Pprediction of Cutting Forces in Micro-milling Process Using Finite Element Method

This paper presents the prediction of micro-milling forces using the finite element method (FE). An FE model of orthogonal micro-cutting with round cutting edge is developed. The cutting force coefficients are identified from a series of FE simulations at a range of cutting edge radii and chip loads. The identified cutting force coefficients are used to simulate micro-milling forces. The simula...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Matériaux et techniques

سال: 2022

ISSN: ['0032-6895', '1778-3771']

DOI: https://doi.org/10.1051/mattech/2022042