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QST_QSK0 pages
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Positioning system QST/K 60, 80, 100
Specifications
6.1
Spindle drives
Function:
This unit consists of a square aluminium profile with an integrated ball rail. The carriage is driven by means of a rotating spindle with leading nut.
The openings of the guide body are sealed by a stainless steel cover band to protect the drive from splash water and dust.
Fitting position:
Carriage connection:
Unit mounting:
As required, max. length 3000mm
By T-slots
By half round slots and tapped holes in the bearing blocks, mounting sets
Size
Forces and torques
Fz
QST/K 60
QST/K 80
QST/K 100
permitted dyn. forces*
5000 km
10000 km
5000 km
10000 km
5000 km
Fx (N)
900
800
2500
2000
5000
4000
Fy (N)
1415
1010
3570
2542
4082
2910
7360
Mz
10000 km
Fz (N)
Fy
My
2510
8500
6050
10300
33
23
107
76
142
101
My (Nm)
Fx
3525
Mx (Nm)
190
143
604
430
838
597
Mz (Nm)
Mx
176
125
550
392
745
532
All forces and torques related to the following:
existing values
Fy
table values
Fydyn
+
Fz
+
Fzdyn
Mx
Mxdyn
+
My
Mydyn
Mz
+
Mzdyn
≤1
No-load torque
Trapezoidal
18x4/18x8
24x5/24x10
Nm
0,6/0,7
0,6/0,8
32x6/32x12
1,5/1,7
Ballscrew
16x5/16x10
25x5/20x20/25x10
32x5/32x10
Nm
0,4/0,6
0,4/0,7/0,6
1,3/1,6
Geometrical moments of inertia of aluminium profile
lx mm4
4,3x105
14,0x105
43,0x105
ly mm
4,8x10
16,6x10
48,8x105
E-Modulus N/mm²
70000
70000
4
5
5
70000
* referred to life-time
Driving torque:
F*P*Si
Ma=
+Mn
2000*π*µ
Pa =
Ma*n
9550
Efficiency of lead screws:
F
P
Si
Mn
n
Ma
µ
Pa
=
=
=
=
=
=
=
=
force
thread pitch
safety factor 1,2 ... 2
no-load torque
rpm of screw
driving torque
screw efficiency
motor power
(N)
(mm)
(Nm)
(min-1)
(Nm)
(KW)
Deflection:
All ballscrew 0,900
f =
Tr
Tr
Tr
Tr
Tr
Tr
f =
F=
L=
E=
I =
18x4
18x8
24x5
24x10
32x6
32x12
0,399
0,565
0,384
0,550
0,360
0,524
For the diagram for critical speeds of lead screws refer to chapter 4.2 page 3
6.1 | 6
F*L3
E*I*192
deflection
load
free length
elastic modulus 70000
second moment of area
(mm)
(N)
(
