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  • Users: afry
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  1. afry

    Contact area in tribology

    Yes, that's right
  2. afry

    Contact area in tribology

    Hello, I would like to know what is the importance of the contact area between two bodies in tribology? I am asking this question since the friction coefficient is independant of the contact area. Thank you in advance
  3. afry

    How to explain the increase or the decrease of the surface roughness after the friction

    Hello, Thank you for your answer. I attached a pic of the surface of a workpiece. All the workpieces have always the same marks on it whenhever the tool used. http://files.engineering.com/getfile.aspx?folder=df91e437-8b9a-47b8-b5e9-ca294a845804&file=Workpiece_24_B91_04_X20_Position1_20150115.jpg
  4. afry

    How to explain the increase or the decrease of the surface roughness after the friction

    Hello, I'm doing friction test with WC tools with different surface texture and CBN tool against workpiece made of steel. After the frition test carried out with a normal load of 50N,I noticed that the roughness of the workpiece worked with CBN decreases whereas the roughness of the workpiece...
  5. afry

    Influence of tool holder on the contact between tool and workpiece during external honing

    Hello, I would like to know if the tool holder has an influence concerning the contact between the tool and the worpiece. After the external honing process, I noticed that the contact between the tool and the workpiece was limited since the tool is not completely in contact with the...
  6. afry

    Simulation of an abrasive machining process with Catia

    Hello, I would like to simulate an abrasive machining process whitout the abrasive tool giving from catia. The abrasive machining process consists of three important mouvements: - The workpiece has a rotation movement around the Y axis.(Rotation speed=500 rpm) - The workpiece has also an...
  7. afry

    Kinematics with CATIA

    Dear all, I'm new with the kinematik workbench in Catia v5.I would like to realise two movements with the software catia.The movements are: The rotation of the spindle and the linear movement of the machine on the plate. I attached a figure showing the the machine. Thank you in advance for...
  8. afry

    Catia: Part design +Drafting

    Hello, It works well for creating a curved cylinder with the function RIB. However, I would like that the face of the cylinder are flat instead of curved.Do you know how to perform this task? Thanks in advance...
  9. afry

    Catia: Part design +Drafting

    Thank you, it works great
  10. afry

    Catia: Part design +Drafting

    Hello, *I'm a beginner with catia v5. I would like to draw in part design a cylinder which is deformed, but I didn't manage to do it.I thought about a revolution however It doesn't work. A schematic drawing of the cylinder is given below. * Anybody knows how to display the unit of a...

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