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Schaeffler is now offering UK customers a rapid delivery service for machined shafts and linear guidance systems.

A range of linear shafting is available and can be supplied with or without related linear guides or bearings.

Shafts are available as high-precision solid (one-piece), hollow or machined shafts made from quenched and tempered steel to rolling-bearing quality.

Solid shafts can be supplied with outside diameters from 4mm to 80mm with shaft tolerance to H6 (other tolerances are available on request).

For mounting, solid shafts can be supplied with radial and axial threaded holes or can be manufactured to suit individual customer specifications.

Shafts made from standard CF53 are induction hardened and ground.

Hollow shafts are only available in quenched and tempered steel.

As an alternative to CF53, customers can request solid shafts with corrosion-resistant steels, for example in X90CrMoV18, which offers surface hardness equivalent to stainless steel.

These steels are suited to food-processing applications, medical equipment and semiconductor technology.

A variety of coatings can be applied to solid and hollow shafts, including hard chrome plating, Schaeffler’s Corrotecto, Protect AO and Protect BO.

Corrotecto is resistant to neutral, organic fluids such as oil, brake fluid and petrol.

It is also resistant to aqueous salt solutions in the pH range 5 to 10.

Protect AO is a thin layer of chromium plating with a pearl structure, which acts as an anti-wear layer even under mixed friction or slippage conditions.

Protect BO is a thin layer of corrosion-resistant chromium plating covered by a chromium mixed oxide, which supports the lubricant in high temperatures and aggressive environments.

Hollow shafts are available with outside diameters from 12mm up to 80mm, with shaft tolerances of H7.

All coatings can be applied to hollow shafts, except X46 and X90.

Solid or hollow shafts can be supplied in lengths up to 6m, although greater lengths can be machined (butt jointed) to specific customer requirements.

Schaeffler has a large stock of shafts available from its UK Linear Quick-Centre, which is located at the company’s UK manufacturing plant in Llanelli, South Wales.

This facility enables Schaeffler to offer UK customers rapid deliveries on linear systems, rails, shafts, cages and carriages, as well as customer-specific machined shafts.

The Linear Quick Centre can machine shafts up to 6m in length, with diameters between 5mm and 80mm.

Monorails can also be machined up to 6m in length.

Materials include induction-hardened steel, stainless steel and aluminium support rails.

Examples of rapid shaft deliveries from the Linear Quick-Centre include linear shafts with machined flats, grooves, drilled and tapped holes or shafts manufactured to very close tolerances.

Accessories such as mounting blocks, plain bushes, brackets and other fabricated items have also been supplied.

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