Lubrication Maintenance

Lubrication Maintenance

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Lubrication & Maintenance


Each unit is pre-lubricated during manufacture and normally does not require further attention. In certain instances we will advise on lubrication. Greasing or oil points can be incorporated in some units.

For cleaning use a suitable agent such as AC90 or WD40. Please consult Technical Support for advice.
Most designs have dirt exit holes incorporated in the bearing cup, or these can be added on request.

When calculating loads, consider the possibility of impact caused by incorrect levels. Spring loaded units will reduce wear and tear if there are regular shock impacts. Shock loading can also be reduced by fitting compressible pads. Ball units can be made retractable by other means, such as pneumatic or hydraulic cylinders, cams or levers. They can be programmed to operate in sequence.

This can be achieved by fitting rubber pads. This will reduce excessive loads on just a few units. Details on request.

Min. -30ºc to max. +70ºc continuous, or+100ºc intermittent. Special seals may need to be fitted to suit extreme conditions. In clean conditions and without seals +150ºc to +200ºc are possible, using Type 15 units at reduced loads.

Maximum recommended conveying speed is 1 meter per second for steel load balls and 0.25 meter per second for nylon.

These help resist ingress of dirt and swarf. They can be omitted on request. Woollen felt seals fitted as standard.

The average breakaway friction for new ball units containing steel balls in a good working environment is 0.01 to 0.015 (1% to 1.5% of the load) and 0.02 to 0.025 (2% to 2.5%) for units with felt seals.

The weight of the article to be conveyed should be divided by 3. The result will give the maximum load any single ball will bear.
On any accurately levelled or flexible surface, a number greater than 3 may be used. The surface hardness and condition of the article should be considered to avoid ball unit penetration.

Ball transfer in use Alwayse conveyor