Supporting smooth movement between the shoulder of a shaft and a mating face, thrust washers are important components in rotating assembles.
What is the difference between a thrust washer and thrust bearing?
Simply answered, nothing. The two terms are interchangeable. If a technical definition was to be sought, a thrust washer is a simple thin flat disk with a hole in it, while a thrust bearing is much thicker with rolling elements in it.
Which applications use a thrust washer?
With numerous products requiring smooth rotational movement under high-wear situations, there are a large variety of applications for thrust washers. Some examples where this is a high priority:
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Bringing the thrust washer to life
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Cobots, or collaborative robots, designed for direct human-robot interaction, are a fast-growing area of robotics. They can use a mechanical brake to stop motion for when this is required. The mechanical brake can be between the servo motor and speed reducer. Selecting the right component to service this requirement can take time, as was discovered when a Chinese Cobot manufacturer sought help with this aspect. A friction washer was being used but it was unable to meet the life cycle requirement. An electromagnetic slip clutch was an alternative consideration, but it added additional expense and complexity.
A NORGLIDE® HP thrust washer was presented as an alternative, able to offer stable torque with only slight wear facilitating the enhanced lifetime performance requirement. NORGLIDE® HP is a PEEK based product providing high wear resistance even under high loads and speeds. It provides stable friction which results in stable torque and smooth movement.
Benefits of the NORGLIDE® thrust washer
The unique composition of NORGLIDE® thrust washers gives our engineers freedom to design component solutions that fit to exacting requirements. Each one is tailor-made to the specific size, shape, and material configuration to support the system in question.
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The list of benefits NORGLIDE® thrust washers offer include:
- Constant friction
- Free of oil and grease
- Withstands aggressive chemical cleaning
- Clever material selection / match to mating parts
- Lightweight and slim – being much smaller than a thrust ball bearing, perfect for when space is limited
- Corrosion resistant
- Good dimensional stability
- Load capacity
- NVH -managing NVH in the rotational interface
The performance requirements are specified by you and your engineers. Components are designed in collaboration using the expertise of our component engineers with your system experts to overcome mechanical challenges.
Talk to the bearing experts
To understand more about the benefits a thrust washer can provide, please talk to us at Saint-Gobain, engineer to engineer. We’re experts in developing, designing, and manufacturing composite materials for a range of applications and industries.
Use our contact form or email us at: [email protected] to speak to one of the engineers about using thrust washers.
Source: https://t-tees.com
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