Our finishes for retaining rings and wave springs

Written by: TFC Europe Ltd | Published:

Whether you need added corrosion resistance or simply want to change the appearance of your part, we can offer a wide range of finishing processes to ensure that your retaining rings and springs perform the way that they need to in your application. Below is a list of some of the more common choices that we have available.

Oil Dip

Oil Dip is a standard finish for all of our Smalley products produced in carbon steel. The oil provides resistance to corrosion in transport and in normal storage, however, the oil dip finish should not be considered a permanent finish.

Vapor Degrease/Ultrasonic Clean

This is the standard cleaning process used for all stainless steel parts. The process removes oil, grease, and other organic compounds from the parts’ surface. Ultrasonics are used as part of the process to force the solvent to act between the turns of the ring or spring.

Vibratory or Hand Deburring

These are optional processes that we can provide to remove burrs and break sharp corners and edges that may occur on the gap ends due to the cut-off operation after coiling. Circumferential surfaces and edges of Smalley parts are already smooth due to the nature of the flat wire and do not require deburring.

Passivation

Passivation is an optional cleaning process available for stainless steel.It provides a bright finish and increased corrosion resistance.Passivation dissolves iron particles and other substances that have become embedded in the surface of the material during production.If not dissolved and removed, these contaminants could promote rusting, discolouration, or pitting in more corrosive environments.

Black Oxide

Black Oxide is a finish that provides a flat black appearance that is generally used as an aesthetic change instead of an improvement in corrosion resistance.

Zinc Plating

This is used on carbon steel to increase the corrosion resistance of the product.It is sometimes used as a more cost-effective alternative to other platings or stainless steel. Smalley’s standard zinc platings, Type V and Type VI, are RoHS compliant. Zinc plating does not guarantee coverage between the turns of multiple turn rings and springs. (The process does subject the part to the possibility of hydrogen embrittlement. We offer stainless steel as a preferable alternative.)

Zinc Phosphate

Also known as “Parkerizing,” Zinc Phosphate can only be applied to carbon steel. It appears grey-black in colour and has superior corrosion resistance to black oxide, but inferior to zinc plating or stainless steel.

To learn more about finishes, materials and other customisations contact our Technical team on +44(0)1435 866011 or e-mail sales@tfc.eu.com with any questions you may have.

They will be happy to answer any questions and help you to find the right part for your application.

www.tfc.eu.com


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