Load Distribution; Assembly; Tightening Torques - Phoenic Mecano Alpha Colonne Instrucciones De Montaje

7. Life phases

7.3.6 Load distribution

A small example: You are building a table with four lifting
columns. Each lifting column can bear 1,000 N. Thus, the lif-
ting columns together must bear a load Fmax = 4,000 N, if
the load is symmetrically in the centre of the table. If the load
moves into a corner of the table, then the lifting column has
to bear almost the entire load of 4,000 N under this corner.
This would inevitably lead inexorably overload. Even at the
planning stage of your application, pay attention not only to
the total load, but also the load on the individual lifting co-
lumns.

7.4 Assembly

The fixing boreholes for installing the lifting columns are located in the fixing plates of the lifting
column. The fixing screws are not included in the delivery.
The tightening torques to be observed can be obtained in the chart in chapter 7.4.1.
Alpha Colonne Medium
•
Four anchoring bores for M8 threaded bolts in the fixing plate push rod side.
•
Four anchoring bores for M8 threaded bolts in the fixing plate motor side.
Alpha Colonne Large
•
Four anchoring bores for M10 threaded bolts in the fixing plate push rod side.
•
Four anchoring bores for M10 threaded bolts in the fixing plate motor side.

7.4.1 Tightening torques

Torque guideline values for metric shaft screws to DIN 4762 at 90% use of the 0.2 % expansion
limit, for a coefficient of friction of 0.14.
Dimension
M4
M5
M6
M8
M10
Pay attention to the information in the assembly instructions for the accessories. This contains
information for installing your application.
60
Strength 8.8
Tightening torque M (Nm)
A
3.0
5.9
10
25
49
Wrong
Strength 10.9
Tightening torque MA (Nm)
4.4
8.7
15
35
72
Right
Strength 12.9
Tightening torque MA (Nm)
5.1
10
15
43
84