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Expertise in machine tool building<br />
Examples for process stability oriented machine design<br />
Welded column and machine bed<br />
use of massive roller guideways and bearings for linear and<br />
rotary axes<br />
Large dimensioned drives and guideways<br />
use of additional releasable thrust bearing in ball screw drives<br />
(stiffness higher than two conventional ball screw drives)<br />
Hardened steel worm wheel<br />
Extensive experimental verification of the design quality<br />
static and dynamic stiffness measurements (experimental<br />
modal analysis)<br />
Starrag<br />
Deformation at point E<br />
Dörries Heckert Scharmann SIP Droop + Rein TTL Berthiez WMW Ecospeed<br />
E<br />
D<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
D<br />
D<br />
Percentage E E<br />
Form A Form B Form C<br />
4
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