orange square Selection guide for product types

Qualifications
Performance targets

SPREDSERT®
type 1 / type 2
Suitability for different parent materials
-Thermoplastics
very good
very good
very good
good
good
satisfactory
in exceptional cases
type 1 good
-Thermosets
unsuitable
limited
unsuitable
very good
good
good
unsuitable
type 2 good
-Foam
unsuitable
unsuitable
unsuitable
satisfactory
limited
not quite so good
good
not quite so good
-Elastomers
unsuitable
unsuitable
unsuitable
satisfactory
no
unsuitable
good
not quite so good
Minimum equipment required for installation (machine technology)
thermal installation mach. (min. qty. by soldering gun)
"Soldering gun" screwdriver toggle press
ultrasonic welding machine /
heat installation equipment
manual fitting tool screwdriver
spindle lifting toll (possible press)
manual fitting mandrel
manual fitting mandrel
manual fitting mandrel
Recommended wall thickness (comparison index between types:
1= small,
4= large)
1
1
2
3
4
4
4
3
Preparation of component
blind or through hole
blind or through hole
blind or through hole
blind or through hole
blind or through hole
blind hole
blind hole
blind or through hole
Influence of tolerance fluctuations in the drill hole. Catalogue recommendations 0.1mm>S>0.3mm
strong
strong
strong
weak
strong
very strong
weak
very strong
Interference fit values in thermoplastics
100%
100% for heat insertion and screwing,
70% for pressing
90%
120%
100%
60%
-
50%
Ability to be bolted from both sides
yes
yes
yes
yes
yes
no
no
yes
Special requirements:
-Density
with O-ring (performed)
with O-ring (performed)
with O-ring (feasible)
no
no
no
no
no
-Threaded bolt
yes
yes
no
yes
no
no
no
-Through hole
yes
yes
no
no
no
no
no
Miscellaneous
by taper (8*)
-self-centring
-low tension
variable seal insert introduction
-minimum
radial tension
-large flank overturn
also suitable for light alloys
simple
installation
favourable
price
On request
with screw
locking

M 2 - M 40
in catalog
only to M 8
with screw
locking

M 1,0 - M 10
with additional hexagonal drive

M 3 - M 10
M3 - M 10
M 2,5 - M 8
M 2,5 - M 6
M 2 - M 8


letzte Änderung dieser Seite am 29.01.2006