Micrometer Model Documents

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Main Document

Micrometer Model 

written by Fu-Kwun Hwang
edited by Loo Kang Wee and Wolfgang Christian

The Micrometer Model shows the principle of operation and the physical parts of a real micrometer.  Micrometers use a screw to amplify distances that are too small to measure directly into large rotations of the screw that are big enough to read from a scale. The accuracy of a micrometer derives from the accuracy of the thread that is at its heart. The basic operating principle of a micrometer is that the rotation of an accurately made screw can be directly and precisely correlated to a certain amount of axial movement (and vice-versa), through the constant known as the screw's lead.

The Micrometer model was created using the Easy Java Simulations (EJS) modeling tool.  It is distributed as a ready-to-run (compiled) Java archive.  Double click the ejs_ntnu_Micrometer.jar file to run the program (Java must be installed).

Last Modified June 10, 2014

This file has previous versions.

Source Code Documents

Micrometer Model Source Code 

The source code zip archive contains an XML representation of the Micrometer model.   Unzip this archive in your EJS workspace to compile and run this model using EJS.

Last Modified June 10, 2014

This file has previous versions.