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Islamic University of Technology IUT)

لج معة سمية لتكنولوجي

Université slamique de Technologie

Dr. Mohammad Ahsan Habib

Assistant Professor

E-mail: mahabib@iut-dhaka.edu

Department of Mechanical and Chemical Engineering (MCE)

Room: 405, Level 4, First Academic Building

MCE 4627 Machine Tools

Part 2

Mounting of Jobs and ToolsMachine Tools Attachments

1

MCE 4627 Machine Tools

© Dr. Mohammad Ahsan Habib

Methods of mounting of jobs and

cutting tools in machine tools

Thu, 13 Jun, 2013

2:29:54 PM

2

MCE 4627 Machine Tools

© Dr. Mohammad Ahsan Habib

Principles and Conditional Requirements

(a) while mounting the job or blank in the machine tool

• appropriate selection of work holding device or system from the available

resources depending upon;

configuration of the machine tool

shape, size and weight of the blank

kind of machining work to be done

order of dimensional accuracy desired

volume (number of same job) of production

• correct location, strong support and rigid clamping of the blank against the

cutting and other forces

• easy and quick loading and unloading to and from the machine tool or the

holding device

• proper alignment like coaxiality, concentricity etc. of rotating jobs

• free flow of chips and cutting fluid

Thu, 13 Jun, 2013

2:29:55 PM

3

MCE 4627 Machine Tools

© Dr. Mohammad Ahsan Habib

(b) while mounting the cutting tools

• appropriate selection of tool holder and the method of mounting

• proper positioning and orientation of the tool depending upon its

type

size and shape

geometry

• proper alignment in respect of coaxiality, concentricity and machine tool

configuration

• accurate and quick locating, strong support and rigid clamping

• minimization of run out and deflection during cutting operation

• easy and quick mounting and change

• unobstructed chip flow and cutting fluid action.

Thu, 13 Jun, 2013

2:29:57 PM

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