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1.7 Standard Features
1.7.1 Protection Class
Shaft Seal
PTFE
Protection class IP69K has been created for high pressure and high temperature cleaning according to
DIN 40050-9.
The IP69K code is:
Code 6 defines the resistancy against dust.
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Code 9K defines as high pressure/steam-jet cleaning.
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1.7.2 Insulation Material Class
The motors meet the standard for insulation material Class F according to IEC 60085 (UL1446 class F).
1.7.3 Surface
AKMA motor housing is made from anodized 6082 aluminum.
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The rear cover is stainless steel 316L.
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1.7.4 Shaft End
Power transmission is made through the cylindrical 316L stainless steel shaft end, fit k6 to EN 50347, with a locking
thread.
Bearing life is calculated with 20,000 operating hours.
1.7.4.1 Radial Force
If the motors drive via pinions or toothed belts, then high radial forces will occur.
The permissible values at the end of the shaft can be read from the (➜ Dimension Drawings # 113).
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The maximum values at rated speed are listed in the technical data.
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Power take-off from the middle of the free end of the shaft allows a 10% increase in F
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1.7.4.2 Axial Force
When assembling pinions or wheels to the axis and use of e.g. angular gearheads axial forces arise.
The permissible values at the end of the shaft can be read from the diagrams in (➜ Dimension Drawings # 113).
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The maximum values at rated speed are listed in the technical data.
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1.7.4.3 Coupling
Double-cone collets have proved to be ideal zero-backlash coupling devices, combined, if required, with metal
bellows couplings.
Food grade couplings are recommended for hygienic applications.
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The customer is responsible for using suitable coupling on the AKMA shaft according to the application.
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Flange Sealing
O-Ring: EPDM (K) or Viton (V)
AKMA Installation Manual | 1 English
Protection Class
IP69K
.
R
Kollmorgen® | kdn.kollmorgen.com | June 2024
17
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