Upper Arm Unit and Wrist Unit
Requirements:
- Low-friction properties to enable smooth oscillation
- Excellent sealing performance to prevent contamination and protect hardware
- Reduce wear on mating surface of seal
- Compact seal design
Trelleborg Solution:
We offer a wide range of rotary seals in different high-performance materials, including radial oil seals, Turcon® Variseal®, Forsheda® V-Ring and engineered molded parts.
Drive Motor Unit and Reduction Gear
Requirements:
- Ability to perform at high shaft speeds
- Low-friction properties
- Compact seal design
Trelleborg Solution:
Rotary shaft seals, including Turcon® Varilip® PDR, offer robust performance at high input shaft speeds while minimizing friction and heat generation.
Gearbox Cover
Requirements:
- Reduce number of parts
- Eliminate contamination from grooves/voids
- Adaptable surface to effectively seal lower quality mating surfaces
Trelleborg Solution:
Elastomer-based engineered molded parts, rubber-to-metal bonded seals and the HMF FlatSeal™ offer a tight fit to protect vital components, making them ideal for gearbox lids.
Balance Cylinder
Requirements:
- Low-friction properties
- High resistance to wear and extrusion
- Compact design
Trelleborg Solution:
Our Zurcon® U-Cup RU9 offers good abrasion resistance, low compression set, high extrusion resistance and can operate in a wide range of temperatures.
Base Unit
Requirements:
- Compatibility with chemicals in the operating environment to prevent corrosion of the shaft
- Low-friction properties
- Compact design
- Easy to remove and install to simplify maintenance
Trelleborg Solution:
Our rotary seals offer effective sealing performance and a unique shaft repair kit enables rotary shaft lip seal maintenance without replacing the shaft.