21 October 2011

Important announcement - MDF 2.0

Dear Forum Members,

Over the next few days we will upgrade the forum software to the industry leading platform "vBulletin". The Mechanical Design Forum will be temporarily offline for possibly a day or two hours whilst this is happening.

When we're back you'll notice some big changes around here. The Mechanical Design Forum will be a far superior website. It will have a much better user interface, member blogs, some nice social network integration, lots of great features.

Important: What you'll need to do:

It's very simple - when we're back you'll receive an email from us asking you to reset your password. Just follow the link in the email - the rest is very simple.

We look forward to seeing you in MDF v2.0.

Best regards,
MDF Management

6 comments:

  1. Nice blog, thanks for sharing this information with us good work keep it up

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  2. Good Explanation. I learnt something new. Thanks for sharing this.
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  6. FAG 6404 bearing

    Correct storage
    In principle, all SKF imported bearings should be stored in their original packaging before installation. They need to stay in a clean, moisture-free, relatively constant temperature environment. Rolling imported SKF bearings should be kept away from dust, water and corrosive chemicals. Shake and vibration may permanently destroy the mechanical properties of SKF imported bearings, so vibration must be avoided during handling and storage.
    Basically, all SKF imported bearings must be stored horizontally, because some heavier SKF imported bearings may be deformed due to their own weight after being placed vertically for a long time.
    Pre-greased (or sealed) SKF imported bearings require special care, because the density of the grease will change after a long period of storage. In this way, when SKF imported bearings are used for the first time, there will be a certain degree of rotating noise. Therefore, the shelving time of this kind of NSK imported bearings should be controlled according to the principle of first in, first out.

    Clean
    Cleaning is very important for rolling SKF imported bearings. The surface roughness of the rotating surface and rolling elements of the NSK imported bearing ring is usually 1/10 μm. Such a smooth surface is very sensitive to damage caused by contaminants. The lubricating layer between the rotating surfaces is usually 0.2~1 μm. Particle-type impurities larger than the lubricant particle size will be excessively crushed by the rolling elements and generate local pressure in the SKF imported bearing steel, which will eventually lead to permanent material fatigue. In addition to this, the size of dust particles in the external environment can reach 10 μm, which can also cause damage to NSK imported bearings. Therefore, a clean and dust-free environment is very important for the storage and installation of SKF imported bearings.

    Fully ready to install
       SKF imported bearings should be carefully installed and disassembled using appropriate tools. Industry experts estimate that 16% of premature SKF imported bearing failures are due to incorrect installation. For a large number of installations (such as in production equipment), the installation conditions are usually strictly controlled, and suitable SKF imported bearing installation equipment can also be used.

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