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sklademVydáno: 2006-09-29
BS ISO 3408-5:2006
Ball screws Static and dynamic axial load ratings and operational life
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| Označení normy: | BS ISO 3408-5:2006 |
| Počet stran: | 22 |
| Vydáno: | 2006-09-29 |
| ISBN: | 0 580 49280 X |
| Status: | Standard |
DESCRIPTION
BS ISO 3408-5:2006
This standard BS ISO 3408-5:2006 Ball screws is classified in these ICS categories:
- 25.060.99 Other machine tool systems
This part of ISO 3408 specifies the calculation schemes for static and dynamic load ratings, and operational life, in order to obtain comparable values for the design and use of ball screws.
NOTE The calculations have been based primarily on publications by Prof. G. Lundberg and A. Palmgren Acta Politechnica, mech. Eng. series Vol. I, No. 3, Stockholm, Sweden. Part 7, 1947.
This part of ISO 3408 is applicable under the following preconditions:
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elastic deformation of ball and balltrack;
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hardness of balltrack basically exceeds a minimum of HRC 58;
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conformity frs and fr n > 0,5;
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the quality of steel of which the ball screw is made is equivalent to that of ball bearing steel or similar steel alloys;
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optimum lubrification is always provided.