Étude de cas: The customer had to make controlled chamfer on drilled hole of an Aluminum components. The chamfer had controlled depth for rivet seating. The depth control on the chamfer had to be mainatained within 30 microns for correct. The sustomer was using an hand operated drilling machine with mechanical dead stop. The depth control was very difficult in this setup and was set up time was. This now has been replaced by our machine which has a 1.5HP spindle with 500-2800 RPM stepless speed variation through VFD interface. The depth, feed and rapid return of the tool is by the servo motor coupled to ballscrew. The touch screen HMI can be used to program the spindle speed, drill feed, rapid return and dwell.

Other uses of this machine: Since this has an accurate depth control, this can be used in place of expensive CNC drill/tap centers. This machine can be used for even tapping with a compensatory tapping chuck. Different fixtures have to be made to align the hole position to the spindle position. After fixture setup, the machine can be used in continuous auto-cycle for mass production.

SPÉCIFICATIONS TECHNIQUES:

 

Capacités d'usinage
Capacité de perçage	Solid drill of Ø20 mm
Tapping Capacité	M12 with compensatory chuck
Vertical Stoke
Accident vasculaire cérébral	250 mm
Détails de voie de guidage	guides et blocs au sol LM. Size 25.
vitesse de déplacement rapide	6,000 mm / min
Avance traverse	30-3,000 mm / min
Puissance du moteur	2.4 Nm avec frein
Système de conduite	Servo driven coupled to ballscrew
Vis à billes	Ø36, 5 pas, classe C3, sol et préchargé
Précision d'alignement	± 10 pm pour 300 mm.
Répétabilité	10µm
fin de diapositives fin de course d'arrêt arrangement	Limit Switches
protection de couverture de diapositives	soufflets pliables.
tête de broche & Motorisation de broche
Taper of spindle	IS0-30
Arbour clamping system	Manual draw bar with nut
Tool Clamping system	ISO-30 x ER-16 collet arbour
configuration de roulement de la broche	Match paire de roulements à contact oblique
vitesses de broche	500 – 2800 RPM
Motorisation de broche	V-Belt and pulley driven
Broche principale puissance du moteur	1.5HP AC induction motor routed through VFD
Coolant system	Not provided
Spindle Runout (Axial and radial)	Within 10 µm
BOUGHT-OUT
station de contrôle des opérateurs	Qui seront fournis
Servomoteurs	Mitsubishi
PLC	Mitsubishi
VFD	Mitsubishi
HMI – Touchscreen	7” touchscreen – Mitsubishi
Spindle Motor	ABB
Limit Switches	Siemens/Teknic
Major Switchgear elements	Schneider/Siemens
Bearings	SKF/RHP/FAG
LM guides	HIWIN
Ballscrews	HIWIN
Cables	Finolex

 

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