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4.10 Lubrication
Ratings and Lubricants
Harmonic Drive® Products achieve the specified ratings and characteristics in the standard ambient temperature range (0 °C
to 40 °C) when they are used with the lubricants named in the catalogue. Harmonic Drive AG can guarantee for the data
specified in the catalogue only if a Harmonic Drive® Grease or a mineral oil qualified for the specific product used. Lubricants
and lubricant quantities other than recommended by Harmonic Drive AG should be qualified by means of prototype tests, as
necessary.
The warranty becomes void when lubricants that have not been recommended in the Harmonic Drive® Catalogue or that have
not been approved in writing for the specific application are used.
4.10.1 Grease Lubrication
Application of Harmonic Drive® Grease
Depending on product, size and if necessary ratio, the matching Harmonic Drive® Grease should be selected.
Caution!
The Harmonic Drive® Greases 4B No.2 and Flexolub®-A1 have relatively low viscosities during operation. Therefore the design
must be oil-tight. Because of the special characteristics of this grease, a small base oil leakage at the oil seals can not
completely be ruled out.
Table 46.1
Grease
8
Flexolub®-A1
SK-1A
SK-2
4B No.2
Table 46.2
Grease
Flexolub®-A1
SK-1A
SK-2
4B No.2
Notes:
* = recommended for heavy duty operation or at operating temperatures ranging from -10 °C to +110 °C
– = not approved
46
11
14
17
20
–
–
Standard
–
8
11
–
–
Standard
–
Ratio ≥ 50
Size
25
32
40
45
Standard for CPU and CobaltLine®
Standard
For heavy duty operation*
Ratio = 30
Size
14
17
Standard for CPU
50
58
65
80
–
20
25
Standard
–
For heavy duty operation*
1021387
90
100
32
12/2018
V02
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