he OUTLOCK device has been developed by CDMeccanica to afford faultness turning or grinding of the soft jaws applied on all machine tools including self-centering chucks.
The use of the OUTLOCK device affords the following advantges:
elimination of any stock clamping inaccuracy thanks to the strict concentricity and squareness achieved in relation to the spindle axis;
no waste of time to prepare the jaws’ — LOCK slots machining;
remarkable wear reduction owing to the easy and micrometric adjustment of the claws;
total elimination of radial band axial end floats.
ART. 525 NC – 575 NC These tools distinguish themeselves from the standard “OUTLOCK” devices by their exeptional and thoroughly tested sturdiness. These special features have been developed to meet the requirements of digitally controlled turning processes. Their utility is especially recognized whenever the self-centering device is to be blocked under very heavy gripping conditions (about 13.000 kg. units) either during the jaws’ — LOCK slots machining or re-setting stages.
ALCOLO INVERSO:
IF THE MAXIMUM APPLIED GRIPPING FORCE TO THE JAWS IS Fs = 13,000 Kg,
THE MAXIMUM PRESSURE ” Pmax ” THAT CAN BE APPLIED ON A CYLINDER WITH PISTON’SSURFACE ” A ” = 215 Cm2 IS:
Pmax = Fs / ( A x 2,9 ) = 13000 / ( 215 x 2,9 ) = 20,85 BAR.