GMN Paul Müller Industrie GmbH & Co. KG
Äußere Bayreuther Str. 230 · D-90411 Nürnberg
Phone: +49 911-5691-0 · Fax: +49 911-5691-221
Mail: [email protected]
www.gmn.de
Spindle technology:
Phone: +49 911-5691-576 · Fax: +49 911-5691-699
Mail: [email protected]
Oficial GMN Representative:
09090909
Machining Spindles For High-Speed Internal Grinding
UHS Style
www.gmn.de
Machining SpindlesUHS Style
Spec
ifica
tions
are
subj
ect t
o ch
ange
with
out n
otic
e. La
st u
pdat
e Se
ptem
ber 2
009.
The UHS (Ultra High Speed) spindle series is used in high-speed internal grinding with speeds up to 250,000 rpm.
When designing this spindle type, the demand to offer a pro-duct with which our customers can achieve maximum quality and optimum productivity was taken as the basis.
This was realized particularly by the following features of the UHS spindles:
· Higher rigidity and larger grinding quill holder due to larger bore diameter of the front bearing
· Higher cutting speeds and thus higher efficiency due to higher speeds, larger grinding quill holders and larger tools
· Higher output with the same sleeve diameters and analogous speeds
· Synchronous motor instead of asynchronous motor
· Very high speed values n x dm due to higher speeds and larger bearing diameters
Here the comparison between a conventional spindle HS 80 - 180000/0.4 and the new spindle type UHS 80 - 200000/1.
Designation Speednmax [rpm]
OutputPS6-60% [kW]
Frequencyfmax [Hz]
CurrentIS6 [A]
InverterRated voltage [V]
Bearing-øW1 [mm]
Toolinterface
InverterType
UHS 80 - 250000/0.5 250,000 0.5 4167 3.5 230 10 U 6.5/10 SD 230-10
UHS 80 - 200000/1 200,000 1 3333 8.5 230 10 U 6.5/10 SD 230-20
UHS 80 - 120000/2 120,000 2 2000 8.5 230 17 U 9/16 SD 230-20
UHS 100 - 105000/4 105,000 4 1750 9 400 20 U 12/18 SD 480-23
UHS 100 - 90000/5 90,000 5 1500 11 400 25 U 16/23 SD 480-23
Periphery
The SD inverter matched optimally to the operation of the UHS spindle and the appropriate lubricator PRELUB PP can be obtai-ned from us.The connection cables and lubricant pipes required for this be-long to the standard scope of delivery.
As a matter of course, we guarantee highest quality on the basis of long-term reliability also for the products of the UHS spindle series.
GMN quality management – tested and approved
InverterType
Feeding 1) [V]
Rated currentS1 [Aeff]
at PWMFrequency [kHz]
DimensionsH x B x T [mm]
SD 230-10 1 x AC 200 ... 230 5 128 250 x 75 x 180
SD 230-20 1 x AC 200 ... 230 10 128 250 x 110 x 180
SD 480-23 3 x AC 400 ... 480 17 64 390 x 175 x 180
1) Required line voltage for the operation of the UHS spindles.
Static stiffnesscax [N/µm] crad
11 16 UHS 80 - 250000/0.5
21 18 UHS 80 - 200000/1
32 34 UHS 80 - 120000/2
46 37 UHS 100 - 105000/4
57 58 UHS 100 - 90000/5
Made in Germany
oil/air lubricationmotor current
1.2
1
0.8
0.6
0.4
0.2
00 50000 100000 150000 200000 250000
Out
put S
6-60
% [k
W]
Speed [rpm]
HS 80 - 180000/0.4
UHS 80 - 200000/1 Output +150% Torque +128%
Output diagram
Radi
al d
ispl
acem
ent [
µm]
6
5
4
3
2
1
0
-1
-20 20 40 60 80 100 120 Z [mm]
UHS 80 - 200000/1 Stiffness +78% 1. Critical speed +42%
HS 80 - 180000/0.4tool spindle
Tool: Ø4 x 10 mm
Displacement at radial load of 10 N
0.0010.001
0.05
0.001
0.2
A
A
A
Ø W Ø d M
30°
2.862°
Tool interface U [d]/[W]Taper 1:10 with clamping face
c rad
cax
