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PROJECT FILLED - Design the control system for a pin-on-disc machine for studying the change in friction

Master thesis

Employee working in R&D, looking at screw elements from a compressor.
PROJECT FILLED
Functional area: Tightening technique, Mechatronics Department, R&D. Atlas Copco Industrial Technique AB

Target

Developing the control system for a Pin-on-Disc machine which will be used to measure friction in the contact while changing speeds and pressures in a short time interval.

Background

During tightening of a screw, the variation in friction will affect the force acting on the joint, especially when tightening using torque as a control parameter. Since friction is such an important factor when aiming for a specific clamping force, it is of interest to simulate the contact and friction in the screw head to joint, and thread interfaces. This will lead to a possibility of gaining a deeper knowledge of friction characteristics when tightening, and how the dynamic friction relates to different coatings/materials and screw geometries. In the end, understanding friction behavior will make it possible to influence the quality of the assembly.

Mission

Design a robust and flexible control system for the Pin-on–Disc machine. Evaluate the different sensors relevant to the study of friction. Collaborate with another master thesis student working on the design and manufacturing of the Pin-on-Disc machine.

Relevant educational backgrounds

  • Mechatronics Engineering
  • Electronics or Electrical Engineering

Level of thesis project

  • Master thesis

Qualification

In order to be able to contribute to this project, the student shall be a highly motivated and creative person. The person shall have skills within:

  • Mechatronics/ Electronics
  • Relevant knowledge in sensors
  • Relevant knowledge in control technology

Additional information

Our office is located in Sickla, Stockholm.

As this is a project position for studies and not an employment, it does not qualify for seeking a work permit. We can therefore only accept applications from students who are either attending Swedish universities or are EU-citizens.

Company presentation

Atlas Copco’s Industrial Technique business area provides industrial power tools and systems, industrial assembly solutions, quality assurance products, software and service through a global network. 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, the United States, United Kingdom, France, Japan and Hungary.

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