20
ZAPEX 3502 en
Operating instructions 10/2017
6.1.3
Set screws in case of parallel-key connection
Hexagon socket set screws with cup points to DIN 916 must be used for set screws.
The following guidelines must be observed!
The length of the set screw must be selected so that it fills the threaded hole, but does
not project from the hub (L
min.
= d
1
).
The set screws should generally be arranged on the parallel key. Check the length of
the parallel key.
The threaded holes are to be arranged in accordance with the drawing considering the used version A or
B for the coupling parts (1/2).
In case of size 112, the set screws must generally be arranged in the hub side which has not been ground.
Sealing surface
Design A
e
1
d
1
D
Design B
e
2
d
1
d
1
D
Part 1/2 for ZWH only
B-side
Part 1/2
e
4
D
A-side
Summary of Contents for Zapex ZWB
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