ELECTRIC AXIS ELEKTRO SVAK SERIES ACTUATORS

Transcription

1 ELECTRIC AXIS ELEKTRO SVAK SERIES 1

2 ELECTRIC AXIS ELEKTRO SVAK SERIES This belt-driven rodless electric actuator is characterised by the fact that the motor and reducer unit is integral with the carriage, instead of being fitted to one end of the extruded section. This solution is known as cantilever. In the typical application the carriage is fixed while the extruded section moves. The SVAK can be used either horizontally or vertically, but the most common use is in vertical applications, which explains why the motor is supplied complete with a brake that causes the axis to remain still even when it is not electrically powered. The SVAK can be applied to the SHAK GANTRY series to obtain an X-Y-Z Cartesian manipulator robot featuring high performance and rigidity. The SVAK uses the universal V-Lock modular system for fixing the carriage to external auxiliaries and the various components to one end of the extruded section. The sides of the extruded section, which is made of anodised aluminium, houses two hardened and ground guides that slide on adjustable wheels that are integral with the carriage. The carriage is moved by a toothed belt, complete with a tensioning system. Guide lubrication nozzles are also provided on the carriage. A BRUSHLESS motor with a toothed belt 1:2 gear speed reducer for the pulleys was also chosen. This design was opted for because it ensures excellent load capacities without sacrificing dynamics and the typical speed of this product. In addition to the standard drive proposed in the catalogue, it is also possible to customise the cylinder by using other motors. The homing position is detected by an inductive proximity sensor included in the supply. A cable guiding system with cable-carrying chain and mounting bracket is also available on request as an accessory. TECHNICAL DATA Ambient temperature C from 0 to +40 Maximum relative humidity 90% (no condensate) Maximum value of duty cycle 100% Maximum speed without load m/s 3.5 Maximum acceleration without load m/s 2 50 Maximum additional load limit kg 8 Maximum value of axial force available (with Metal Work motors) N 300 Maximum axial force supportable by mechanical devices N 600 Maximum torque applicable to the drive pulley Nm 5 Standard strokes mm Repetition accuracy mm ± 0.05 Toothed belt reduction gear 1:2 ratio Noise level dba <66 Mounting position Any Degree of protection IP30 Toothed belt pitch mm 5 Type of belt PowerGrip LL GT 5MR 25 FV Belt elongation at maximum load mm Stroke Stroke Stroke Stroke Drive shaft pulley pitch diameter mm Stroke per motor rev. mm/rev 42.5 Homing position sensor Inductive sensor switch 2

3 MASS AND MOMENT OF INERTIA Stroke mm Weight without motor kg Weight of Brushless 200W motor with brake kg 1.23 Moving mass kg Reduced inertia at motor (without load) kg mm Moment of inertia reduced at motor for each kg of load kg mm 2 45 COMPONENTS EXTRUDED SECTION: anodized aluminium b UPPER CLOSING PLATE: anodized aluminium c LOWER CLOSING PLATE: anodized aluminium BELT TENSIONER: anodized aluminium TOOTHED TRANSMISSION BELT: Polychloroprene (CR) loaded with fibreglass HARDENED GUIDE: hardened ground chromed steel g LEFT-HAND GUARD: painted steel h RIGHT-HAND GUARD: painted steel MOTOR: 200W BRUSHLESS with brake FIXING PLATE: anodized aluminium BUFFER: rubber DRIVE PULLEY: hard-anodised aluminium IDLE PULLEY: hard-anodised aluminium REDUCTION BELT: loaded polychloroprene (CR) LEFT-HAND PLATE: anodized aluminium DRIVE SHAFT: steel IDLE AXIS: steel ROLLER RIGHT-HAND PLATE: anodized aluminium INDUCTION SENSOR g C A b B h c Viewed from A Viewed from B Viewed from C 3

4 DIAGRAM OF FORCES AND MOMENTS Fx max [N] Fy max [N] Mx max [Nm] My max [Nm] Mz max [Nm] N.B.: The values are calculated on the basis of theoretical useful life of km. N.B.: For the maximum value of Fz see the general technical data and the axial load curves depending on the speed. N.B.: When the cylinder is subjected simultaneously to torque and force, keep to the following equations, where Lx, Ly and Lz have to be given in metre. Mx = Fz Ly + Fy Lz My = Fz Lx + Fx Lz Mz = Fy Lx + Fx Ly (Mx) Mx max + (My) My max + (Mz) Mz max + (Fx) Fx max + (Fy) Fy max 1 4

5 DEFORMATION ACCORDING TO LOAD F = 10 N F = 20 N F = 30 N F = 40 N F = 50 N F = 60 N F = 70 N F = 80 N AXIAL LOAD-SPEED CURVES N.B.: Check that the following constraints are met for each cycle phase: - the maximum movable masses and related acceleration values specified in the data sheets; - the values specified in the force and moment calculation diagram (including moment of inertia). - deformation according to load. The following diagrams show the axial load with changing speed (mm/s). Each diagram shows two separate curves: NOMINAL AXIAL LOAD curve: the nominal axial load delivered by the motor with a duty cycle of 100% MAXIMUM AXIAL LOAD curve: the axial load delivered by the motor with a duty cycle of less than 100%. BRUSHLESS WITH BRAKE DRIVES Axial load [N] Force load with maximum torque load 37M (with brake) + 37D (200W) Force load with maximum torque load 37M (with brake) + 37D (200W) Speed [m/s] 5

6 MOTOR-DRIVE COUPLINGS BRUSHLESS MOTOR WITH BRAKE DRIVES Code Metal Work Manufacturer Code Metal Work Manufacturer 37M Motor SANYO DENKI R2AA06020FCH11M (200W) 37D SANYO DENKI RS1A01 (15A 200W) The motor must be controlled in such a way as to avoid sudden changes in speed. V V t EXAMPLES OF APPLICATION t 6

7 DIMENSIONS b Holes for centring pins c Threaded holes for fixing g Dovetail for V-Lock fixing. For standard dimensions see general catalogue. h Slot for V-Lock precision key Code Description 375V SVAK stroke V SVAK stroke V SVAK stroke V SVAK stroke 800 7

8 KEY TO CODES CYL 37 5 V TYPE STROKE DRIVE MOTOR FLANGE TORQUE 37 Electric actuators 5 Belt-driven electric axes V SVAK 0 STD 0 STD STD 4 BRUSHLESS with BRAKE Nm 0 STD Other strokes on request. ACCESSORIES OIL CABLE TRAY CHAIN Code Description Volume [ml] PARALIQ P Code Description A 09500C0200 Cable tray chain accessory kit SVAK stroke 200 ~ C0400 Cable tray chain accessory kit SVAK stroke 400 ~ C0600 Cable tray chain accessory kit SVAK stroke 600 ~ C0800 Cable tray chain accessory kit SVAK stroke 800 ~1150 Note: suitable for connection with SHAK 340 and SHAK 470 SPARE PARTS SHAK INDUCTIVE SENSOR Code A0000 Description SHAK inductive sensor accessory kit ELECTRIC MOTORS See motor code 37M in the general catalogue. DRIVES See drive code 37D in the general catalogue. 8 Dimensions and data shown in this catalogue are subject to variations at any time without prior notice MNWS01099_GB - IM01_01/2017