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Friction test rig (FTR) development

Master thesis project

Functional area: Atlas Copco Industrial Technique, Mechatronics
Recruiting manager: Erik Persson, Project Manager
Phone: +46(0) 70-6199425
Email: erik.persson@se.atlascopco.com

Target

This goal for the project is to investigate, design, build and verify improvements on the current friction test rig (FTR).

Background

When tightening a structural joint the goal is to achieve sufficient clamp force to carry external loads. To control and monitor a tightening process, it is common practice to measure torque or torque plus angle. If the coefficient of friction is constant, the torque is proportional to clamp force. In reality, the coefficient of friction will vary depending on the fastener’s coating and the material it has be tightened against.

The friction test rig is able to separate the torque underhead and in the threads. This will help to increase the understanding how the coefficient of friction will change under different tightening and surface conditions.

Mission

Build a working prototype of the attachments, verify its stability and effect on the results from the tightening.

Qualifications

To be successful in this project you have a solid understanding of practical laboratory work, design, analysis and manufacturing of the parts.

Education requirement

• Mechanical engineering
• Mechatronics

Level of thesis project

• Master thesis

How to apply

About Atlas Copco Industrial Technique

Atlas Copco’s Industrial Technique business area provides, through a global network, industrial power tools and assembly solutions, including tightening, bolting, riveting, adhesive dispensing, quality assurance products, material removal, software and service. The business area innovates for sustainable productivity for customers in the automotive and general industries, maintenance and vehicle service. Principal product development and manufacturing units are located in Sweden, Germany, United States, United Kingdom, France, Japan and Hungary.

About the Atlas Copco Group

Atlas Copco is a world-leading provider of sustainable productivity solutions. The Group serves customers through its innovative compressors, vacuum solutions, generators, pumps, power tools and assembly systems. Atlas Copco develops products and services focused on productivity, energy efficiency, safety and ergonomics. The company was founded in 1873, is based in Stockholm, Sweden, and has a global reach spanning more than 180 countries. In 2017, Atlas Copco (excluding Epiroc) had revenues of BSEK 86 (BEUR 9) and about 34 000 employees.

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