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2.9
Dynamic operating load
The existing dynamic operating load must be determined and compared with the permissible dynamic operation load for Linear Axis
with toothed belt drive.
The dynamic operating load is calculated by the formula [2.2].
F
Existing dynamic operating load [N]
z dyn
T
Idling speed torque [Nm]
0
P
Feed constant [m]
m
Moved mass [kg]
a
Acceleration [ms
g
Gravity constant [9,81 ms
Assembling position [ °]
∝
a
Acceleration [ms
g
Gravity constant [9,81 ms
a
Assembling position [ °]
F
Permissible dynamic operation [N]
z dyn 0
F
Existing dynamic operation [N]
z dyn
2.10
Precision
The running parallelism of Linear Axis is mainly determined by the tolerances of the used aluminum profiles. The profiles used by us
meet or exceed the requirements of EN12020-2 for precision profiles.
Linear Axis with toothed belt / Ω - drive of the series AXDL_A and lifting axis of the series AXS, which usually unsupported used, are
produced with improved straightness in limited length. The maximum length therefore are specified in the data tables. By the profile
machining a straightness of 0.1 mm / m is achieved in this Linear Axis.
The most common requirement in applications of Linear Axis is the repeatability. These values are in the data tables for all NTN-SNR
- Linear Axis specified. More details are only available in the data tables for the NTN-SNR precision axis AXBG made on steel base.
For more information please contact our NTN-SNR application engineers.
[2.2]
-2
]
-2
]
-2
]
-2
]
[2.3]
19
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