November 2, 2020
Harmonic Drive has spent decades engineering proprietary formulas for their greases to assure optimum performance and life. Harmonic Grease lubrication is offered in five varieties, each with unique properties designed for our gears, and should be carefully selected based on the size, model and application/use of the gear. Selecting the proper grease is critical to the life and performance of the gear. Harmonic Grease lubrication is specifically formulated to only be used with their gears.
HarmonicGrease SK-1A provides exceptional durability and efficiency. Temperature range 0°C to +40°C. Ideally suited for Harmonic Drive gears size 20 and larger.
Available in Four sizes:
- - Cartridge: 14 fl oz
- - Container: .5 Kg | 2.5 Kg |16 Kg
HarmonicGrease SK-2 provides exceptional, smoothness, durability and efficiency. Temperature range 0°C to +40°C. Ideally suited for Harmonic Drive gears size 17 and smaller.
Available in Four sizes:
- - Cartridge: 14 fl oz
- - Container: .5 Kg | 2.5 Kg |16 Kg
HarmonicGrease SK-3
Available in Four sizes:
- - Cartridge: 14 fl oz
- - Container: .5 Kg | 2.5 Kg |16 Kg
HarmonicGrease 4B No.2 is ideal for exceptionally long life and operation in a wide range of temperatures. Temperature range -10°C to + 70°C
Available in Four sizes:
- - Cartridge: 14 fl oz
- - Container: .5 Kg | 2 Kg |16 Kg
HarmonicGrease HFL-1 food-grade grease designed specifically for HarmonicDrive gears.
Available in Four sizes:
- - Cartridge: 14 fl oz
- - Container: .5 Kg | 2 Kg |16 Kg
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Editor's Pick: Featured Article

Cables and wires in industrial robots and other moving machine parts are often required to withstand extreme stresses caused by torsion. Constant repetitive movements put materials under considerable strain. At the same time, operators expect components to function perfectly and reliably throughout their entire service life to avoid disruptions, outages and safety hazards.
For this reason, at HELUKABEL, we simulate intensive and continuous torsion stresses under realistic conditions with our high-tech testing equipment in Windsbach. We have several types of apparatus for doing this because some of our customers, for example those in the automotive industry, have very precise specifications for how a torsion test is carried out. The tests show that our cables and wires withstand speeds up to 1,000°/s, accelerations up to 2,000°/s² and torsion angles up to 720°. Hence, we make sure that each product always meets our customers’ high standards, and that they receive the impeccable quality they rightly expect from us as a leading supplier of cables, wires and accessories for more than 40 years.
What Is Torsion?
To learn the answer, click here
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