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QSSZ0 pages
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Positioning system QSSZ 60, 80
6.1
Belt drive
Function:
This linear unit consists of a square aluminium profile with integrated rail guidance. The carriage, which has runner blocks, is driven by a timing
belt. Each standard pulley includes a coupling claw on one side and is equipped with maintenance-free ball bearings. Belt tension can be
readjusted by a simple screw adjustment device in the carriage. This device can also be used for symmetrical adjustment of two or more linear
units running parallel.
Fitting position:
Carriage mounting:
Unit mounting:
Belt performance:
Carriage support:
As required. Max. length 3.000 mm without joints.
By T-slots.
By T-slots and mounting sets. The linear axis can be combined with any T-slot profile.
HTD with steel reinforcement, no backlash when changing direction, repeatability ± 0,1 mm.
In the standard version, the carriage runs on 2 runner blocks which can be serviced at a central servicing position.
For longer carriages the number of runner blocks can be increased.
Size
Forces and torques
Fz
60
80
permitted dyn. forces*
5000 km
10000 km
5000 km
Fx (N)
97
87
223
200
Fy (N)
350
240
890
630
1500
Mz
10000 km
Fz (N)
Mx
625
2100
8
6
26
18
My (Nm)
26
18
77
55
Mz (Nm)
Fx
Fy
880
Mx (Nm)
25
17
74
52
All forces and torques related to the following:
existing values
Fy
Fz
Mx
My
Mz
+
+
+
+
≤1
table values
Fydyn
Fzdyn
Mxdyn
Mydyn
Mzdyn
My
No-load torque
Nm
1,0
1,4
(m/s) max
3
3
Speed
Tensile force
permanent (N)
Lifetime calculation see the internet
Geometrical moments of inertia of aluminium profile
lx mm4
16,5x105
ly mm
18,7x105
4
Elastic modulus N/mm²
70000
* referred to life-time
Driving torque:
F P S
Ma= * * i +Mn
2000*π
Pa =
Ma*n
9550
6.1 | 4
Deflection:
F
P
Si
Mn
n
Ma
Pa
=
=
=
=
=
=
=
force
pulley action perimeter
safety factor 1,2 ... 2
no-load torque
rpm pulley
driving torque
motor power
(N)
(mm)
(Nm)
(min-1)
(Nm)
(KW)
f =
f =
F=
L=
E=
I =
F*L3
E*I*192
deflection
load
free length
elastic modulus 70000
second moment of area
(mm)
(N)
(mm)
(
