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Vibration Testing Machines - Model 2080 pages
Friction coefficient testing machines
clamp force and then exposed,
at a variable frequency (depending on the model), to dynamic
transverse loading. The temporal
variation of the clamping force
and the release angle (optionally) are directly presented during
the test. The graphical plotting
immediately provides the user
with quality-relevant information
on the release behaviour of the
bolted connection.
Vibration testing machines
Bolted connections in rail networks and trains, as well as in
vehicles and machinery, are exposed to various vibration levels
during operations. These are
caused by irregularities in the
subgrade or by engine vibrations.
During operations, these vibration loads occur over extended
periods of time and with differing
dynamics.
The vibration intesting machine
acc. to Junker is designed for dynamic testing of fasteners under
transverse loading. It permits,
among other things, control in
accordance with DIN 65151. The
test specimens are tightened
in the machine with a dened
Technical designs / model
Screw dimensions
Sensor clamp force
Sensor shear force
Release angle sensor (optional)
Transversal stroke
Frequency shear force
Accuracy class
T208.50kN
M3…M8
1…50 kN
0.2…10 kN
360° ± 0.25°
± 1 mm xed
12.5 Hz xed
0.5
T208.200kN
M8…M16
4…200 kN
0.5…25 kN
360° ± 0.25°
± 0…2 mm variable
0…30 Hz variable
0.5
T208.400kN
M12…M24
8…400 kN
1…50 kN
360° ± 0.25°
± 0…2 mm variable
0…30 Hz variable
0.5
T208.600kN
M20…M36
12…600 kN
2…100 kN
360° ± 0.25°
± 0…2 mm variable
0…15 Hz variable
0.5
Measurement uncertainty force
≤ 0.5 % of indicated value
≤ 0.5 % of indicated value
≤ 0.5 % of indicated value
Measurement uncertainty stroke
≤ 1 % of indicated value
≤ 1 % of indicated value
≤ 1 % of indicated value
≤ 0.5 % of indicated value
≤ 1 % of indicated value
Combined error
≤ 1 % of indicated value
≤ 1 % of indicated value
≤ 1 % of indicated value
≤ 1 % of indicated value
Supply voltage
Working table
Electrics / Electronics
Safety device
EC – Certicate of Conformity
230 V / 1P+N+PE
Option
Desktop case
yes
yes
400 V / 3P+N+PE
yes
Substructure cabinet
yes
yes
400 V / 3P+N+PE
yes
Substructure cabinet
yes
yes
400 V / 3P+N+PE
yes
Switching cabinet
yes
yes
Measurement range extensions
T208.ALC.100/20
T208.ALC.100/20
T208.ALC.100/20
Screw dimensions
M5…M10
M5…M10
M5…M10
Sensor clamp force
2…100 kN
2…100 kN
2…100 kN
Sensor shear force
0.4…20 kN
0.4…20 kN
0.4…20 kN
Measurement range extensions
T208.ALC.300/30
T208.ALC.300/30
Screw dimensions
M10…M18
M10…M18
Sensor clamp force
6…300 kN
6…300 kN
Sensor shear force
0.6…30 kN
0.6…30 kN
Parameters: Axial force, shear force amplitude, shearing distance amplitude effective, count of cycles, release angle (optional)
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