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113323222+

=

CVGC

VG

With the CVG series, COVAL introduces the universal solution of the vacuum gripper: fl exible, simple and economic.The handling of parts with different sizes, shapes and weights is not a complex, expensive and laborious task anymore.With a single CVG module, easily integrated into the process, the user can make random gripping of different parts in a simple and secure way.

Advantages

A Complete System

The CVG series are fi tted with standard sub-units which allow offering a customized solution and fi t to the applications and requirements of the integrators and users:

Compact Lightweight Integrated functions Modularity

Performance Ease of use Universal mounting …

The CVG series vacuum grippers offer a single solution for the han-dling of products in different industrial sectors:

Packaging. Plastics. Metal. Glass.

Concrete/stone. Carbon. Wood…

The adaptability and the fl exibility of COVAL vacuum grippers CVG series respond to the multiple robotic applications.

Customized Vacuum GrippersGeneral information

Industry-specifi c

Applications

Foam plate"maxi" type

"suction cup" plate"maxi" type

"suction cup" plate"medium" type"medium" type

"suction cup" plate"mini" type

Foam plate"mini" type

light and robust aluminium profi leuniversal mounting systemstandard lengths (424, 624, 824mm)generator sizesplate technologies (foam or suction cups)gripping point distributions (mini, medium or maxi)fl ow rate control technologies (check valves or fl ow resistors)control versions (vacuum and blow-off)solutions for vacuum monitoringThe Vacuum Manager experience of COVAL

YOUR CVG SOLUTION

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CVG 424_ _ _ _ _CVG 624_ _ _ _ _CVG 824_ _ _ _ _

CVG

CV

G

From now on, thanks to the CVG series, COVAL offers 2 complementary technologies for the vacuum handling: the vacuum gripperswith foam and the vacuum grippers with cups: A wide range adaptable to all your applications.

Technology Regarding the Gripping Plate

The CVG vacuum gripper range offers 2 tech-nologies regarding the gripping plate and meets the requirements of all applications.

"FOAM" plate Handling of rigid products. Gripping on structured and irregular sur-

face conditions. Flow resistor or check valve. 2 diameters (ø 12 and 16mm) and 2 grip-

ping point distributions. 3 standard lengths (424, 624 and 824mm).

"SUCTION CUP" plate Handling of flexible or deformable

products. Wide range of variants. Flow resistor (different diameters). 3 types of suction pads for standard

models (Ø 14, Ø 25 and Ø 33mm). 3 gripping point distributions. 3 standard lengths (424, 624 and 824mm)

… or tailored length.

Customized Vacuum GrippersGeneral information

"MINI" type plate Reduced centre distance ensuring the

gripping of small parts. Multiple gripping points ensuring the

gripping even in case of random position of the part.

Dimensions, refer to page 13/15.

"MEDIUM" type plate An intermediate distribution of gripping

points between the "mini" and "maxi" type of plates.

Ideal for the handling of dense loads with reduced gripping surface.

Dimensions, refer to page 13/15.

"MAXI" type plate Large surface of the gripping points

which allows the gripping of heavy loads. Ideal for the gripping of parts with rigid

gripping surface. Dimensions, refer to page 13/15.

Gripping Point Distribution

Gripping Force of the Vacuum GrippersPart number

Total length of the vacuum gripper (mm)

Force at 85% vacuum (N)*

Force at 45% vacuum (N)*

424 1100 600624 1650 900824 2200 1200

* Indicative force for a vacuum gripper covered at 100% by the load,without safety factor, on rigid and airtight surface.

In order to optimize the performances of the CVG vacuum grippers according to the applications, spacing and gripping point diameters are optimized for each variant.

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CMSE 50 CVG _ _ _ _ _ _ E1CMSE 100 CVG _ _ _ _ _ _ E22xCMSE 100 CVG _ _ _ _ _ _ E3

CVG 424 _ _ _ _ _ CVG 624 _ _ _ _ _ CVG 824 _ _ _ _ _

(Kg) (Kg) (Kg)

G0 2.1 2.7 3.5E1 3.2E2 4.2 4.6 5.0E3 5.4 5.75

CVGC

VG

Flow Rate Control Technologies

Flow resistorsThis simple and energy saving technology, available for the two types of gripping plates, allows calibrating precisely the vacuum leakage.It is easily adaptable by COVAL, thanks to a precise sizing accord-ing to the application. This system ensures the required vacuum level for the part gripping.

Check valves (Coval patent)This technology (only available on the "foam" plates) ensures an instant gripping thanks to a high suction flow rate. The valves transfer the suction flow rate only when the part to handle is pre-sent and close automatically if the part is absent.This system ensures an optimal gripping. It is therefore ideal for applications with short and dynamic cycles.

Integrated vacuum generator, CMSE SeriesIntegration of a multi-stage vacuum generator on the CVG gripper provides a comprehensive and compact gripping solution, as well as easy integration in your process.Options: integration of a vacuum and/or blow-off solenoid control valve with M12 connector and a vacuum level display valve with M12 connector and a vacuum level display (electronic vacuum switch display or vac-(electronic vacuum switch display or vac-uum gauge).

Advantages: A comprehensive solution 3 standard sizes Option: vacuum and/or

blow-off control valve Option: visual display of

vacuum level

External vacuum generatorThe CVG vacuum grippers may also be used with an independent vacuum generator. According to the application, an external gen-erator may be necessary (a blower, an electrical vacuum pump or a pneumatic generator, see page 9/2). The CVG series vacuum grip-per G0 version is fitted with a per G0 version is fitted with a G3/4"-F G3/4"-F flange allowing the simple flange allowing the simple connection of the vacuum source.connection of the vacuum source.Option: integration of a vacuum level dis-Option: integration of a vacuum level dis-play (vacuum switch or vacuum play (vacuum switch or vacuum gauge).

Advantages: Reduced weight Adaptation to user enviro-Adaptation to user enviro-

ment Option: visual display of Option: visual display of

vacuum level

Blow-off option

Integrated vacuumgenerator

ModelConsump-

tion(Nl/min)

Flowrate

(Nl/min)

Max.vacuum

(%)

Sound level (dBA)

190 900 85 65380 1800 85 65760 3600 85 65

Vacuum Generation

Technical data of the CMSE seriesintegrated vacuum generators

Confi guration generators/vacuum gripper length

Customized Vacuum GrippersIntegrated Technologies

Vacuum generator Possible

confi g.Possible confi g.

Possible confi g.

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60.5 38

G1/4"-F

301.

943

23

14

23

14

CVG_ _ _ _ _ E_SV_ CVG_ _ _ _ _ E_VCVG_ _ _ _ _ E_VCVG_ _ _ _ _ E_ V_

21

43

bar

MOUT1 OUT2

CVG

CV

G

16

14

40

22

100125 min.

68.5

Vacuum Generator Control

Customized Vacuum GrippersControl and Visualization

Option S - NC vacuum control,with controlled blow-off:MVG_X_ _ _S_

- 2 control signals.- NC vacuum control valve.- Blow-off controlled by external signal

(NC control valve).

Option V - NO vacuum control,with controlled blow-off:MVG_X_ _ _VMVG_X_ _ _VMVG_X_ _ _ _

- 2 control signals.- NO vacuum control valve.- Blow-off controlled by external signal

(NC control valve).

ELECTRICAL CONTROL- Control voltage: 24VDC (regulated) +/- 10 %.- Current draw: 30 mA (0.7 W) vacuum or blow-off.- Maximum usage frequency: 2Hz.- Number of operations: 10 million cycles.

ELECTRICAL M12 CONNECTION

Vacuum Level Display

According to the need, the CVG series vacuum grippers may be fitted with a vacuum and/or blow-off control valve in order to opti-mize the release of the gripped parts and to ensure the cleaning of the network, the flow resistors or check valves. They may also have a built-in vacuum level monitoring thanks to the options: vacuum gauge or vacuum switch (see below).

IMPLEMENTATION

NC

NO

24V DCS: vacuum

24V DCV: vacuum stop

24V DCblow-off

0V 0V24V DCblow-off

output1output1 output2output2upupup

contact 1contact 1contact 1output0 V

contact 2output+24 V DC

down modeselection

digital display

M8 connector

LEDs

CVG_________VA Display type electronic vacuum switchDisplay type electronic vacuum switch- Adjusting range: 0 ~ -1.00 bar- Hysteresis: adjustable- Maximum overpressure: 3 bar.- Repeatability: +/-1% of the range.- Output thresholds: 2 x NO/NF.- Switching capacity: 125mA transistor PNP.- Threshold state display: 2 x leds.- Display unit: bar.- Electrical connection: M8 (4 pins).- Power supply: 18 to 24 V DC (regulated).- Current draw: < 60 mA.- Protection: IP 40.- Frame material: PA 6.6 20 % GF.

CVG_________VF Vacuum gauge- Vacuum gauge with needle.- Damping: by silicone movement

(patented).- Measuring: Bourdon tube in CuSn.- Precision: cl. 2.5 (+/- 2.5% of

max. scale value).- Frame: black ABS

Mounting of the VA vacuum switch option for a gripper without vacuum generator (G0), or having a minimum space of 125mm depending on the length of the gripper and the choice of the vacuum generator.

M o u n t i n g o f the VA vacuum swi tch opt ion for a gripper with vacuum genera-tor (version E1, E2 or E3) and not having suf-ficient space for the horizontal mounting.

M12 connectorM12 connector

LEDsLEDsLEDs

manualoverridesoverrides

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G3/4"-F32

2383

62.5

14 8.5

6

120 A

B

98

(95.

5)

3362

.5

120 A

B

216 ==

G1/4"-F

83

M8

A

B

M8 216 21650

(95.

5)

3362

.5

98

120

(482) ==

G1/4"-F

CVG424 CVG624 CVG824

A 424 624 824B 384 584 784

CVGC

VG

Dimensions and Connections

Customized Vacuum GrippersDimensions, Mounting Options

vacuum switch connectionG1/8"-F

blow-off connection G1/8"-F

G1/4"-FG1/4"-FG1/4"-F

in mm, any versions

The Coval vacuum grippers in series CVG are particularly simple to install and operate. Mounting on all types of automated systems or robots thanks to their universal fixing by 4 rectangular nuts sliding in the groove of the alumin-ium profile (fixation by 4 M8 screws). These nuts are fitted with a spring plate to allow keeping them in position dur-ing unscrewing.

The CVG series COVAL vacuum grip-pers versions E1 and E2 are mounted on all types of automated systems or robots thanks to the 4 x M8 spacers on the groove of the aluminum profile (mounting by 4 x M8 screws).

For the CVG series vacuum grippers version E3, there are 6 x M8 spac-ers which can be adjusted as per the requirement.

adjustable position, mounting by sliding nuts

adjustableposition

adjustableposition

adjustable

adjustableposition

adjustableposition

adjustable

E1 or E2 Versions(1 integrated vacuum generator, CMSE series).

E3 Versions(2 integrated vacuum generators, CMSE series).

G0 Versions(with independant vacuum generator).

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21

40

Ø 1622.5

20

Ø 12

20

15 (f

)

120

25.5

20

15 (f

)

120

25.5

32.5

120

29

120

12 (f

)

36

120

11 (f

)

9 (f

)

41.2

38.2Ø 33

18

20Ø 25

Ø 14

18.8

15

CVG424

CVG624

CVG824

98 128 198

50 75 100

CVG424

CVG624

CVG824

150 220 297

53 83 113

30 42 57

CVG

CV

G

CVG Series with Foam Plate

CVG Series with Suction Cup Plate

General Characteristics

Customized Vacuum GrippersPlates and Technical Data

"mini" type foam plate

"Mini" type suction cup plate

"maxi" type foam plate

"Medium" type suction cup plate "Maxi" type suction cup plate

NUMBER OF GRIPPINGAPERTURES PER PLATE

NUMBER OF SUCTIONCUPS PER PLATE

f: foamcompressionf: foamcompressionf: foam

f: suction cup deflection

- Supply: 5µ filtered, non-lubricated air relevant to standard ISO 8573-1:2010 [4:5:4].- Compressed air supply for CVG vacuum grippers with integrated generator CMSE: - 1 supply for generator type E1 and E2. - 2 supplies for generator type E3. (see drawings page 13/14: 1/4 G pressure connection).Optimal working pressure: 6 bar (maximum pressure 8 bar).- Blow-off: network supply pressure.- Protection of the valve: IP 65.- Temperature: 10 to 60°C.- Material of the gripper: aluminium, PA 6.6 15% GF, brass, stainless steel, neoprene.- Material of the valve: PA 6.6 15% GF, POM, PC 15% GF, brass, aluminium, NBR.- Foam material: EPDM.- Suction cup material: - "mini" type plate: silicone 30 Shore. - "medium" or "maxi" type plate: natural rubber 50 Shore.

According to the constraints of your application, we can personalize your vacuum gripper with the COVAL standard cup range. A wide range of shapes, diameters and materials allows meeting all your requirements.

"mini" type plate aperture Ø 12 mm"maxi" type plate aperture Ø 16 mm

"Mini" type suction cup plate Ø 14 mm (or Ø 16 mm max.)"Medium" type suctioncup plate Ø 25 mm(or Ø 18 to 25 mm)"Maxi" type suctioncup plate Ø 33 mm(or Ø 36 mm max.)

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N

S

V

G0E1E2E3

424 mm 424624 mm 624824 mm 824

VH

SB

CVG 424 V S F E2 S VA

CVG 424 V S F E2 S VA

CVGC

VG

V0

VA

VF

CVG Series with Foam Plate: one complete part number

Customized Vacuum GrippersConfi guring a Vacuum Gripper

GRIPPERLENGTH

TECHNOLOGY

Check valves

Flow resistors

GRIPPINGSURFACES DIA.

mini

maxi

VACUUM LEVELDISPLAY

Without

Electronic display typevacuumswitch

Vacuumgauge

VACUUM GENERATOR CONTROL *

Without control

NC vacuumcontrol

&NC blow-off

control

NO vacuumcontrol

&NC blow-off

control

VACUUMGENERATOR *Withoutvacuum generator

1 x CMSE 50

1 x CMSE 100

2 x CMSE 100

Integrated filter on the CVG series vacuum gripper with

foam plate.

* see page 13/12 table of thepossible configurations.

* only for E1 and E2

CVG vacuum gripper, length 424mm, check valve technology, foam plate "mini" type with filter, 1 integrat-ed vacuum generator CMSE 100, NC vacuum and blow-off control, electronic display type vacuum switch.

Example of composed part numbers:

NC

NO

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V0

VA

VF

N

S

V

G0E1E2E3

VSP14BF

VSA25JI

VSA33JK

…

424 mm 424624 mm 624824 mm 824

… …

424 mm 424624 mm 624824 mm 824

… …

CVG 424 X E2 S VA

CP 424 VSP14BF

CVG 424 X E2 S VA+

CP 424 VSP14BF

CVG

CV

G

CVG Series with Suction Cup Plate: 2 individual part numbers

1- PART NUMBER OF THE FRAME

2- PART NUMBER OF THE SUCTION CUP PLATE

Customized Vacuum GrippersConfi guring a Vacuum Gripper

GRIPPERLENGTH

GRIPPERLENGTH

VACUM GENERATOR CONTROL*

Without control

NC vacuumcontrol

&NC blow-off

control

NO vacuumcontrol

&NC blow-off

control

VACUUMGENERATOR*Withoutvacuum generator

1 x CMSE 50

1 x CMSE 100

2 x CMSE 100

SUCTION CUP AND FLOW RESISTOR MODELSACCORDING TO THE PLATE

"Mini" type plate 2.5 bellows suction cups Ø 14 mmin silicone 30 Shore with flow resistors Ø 0.7 mm

"Medium" type plate 1.5 bellows suction cups ø 25 mmin natural rubber with flow resistors Ø 0.9 mm

"Maxi" type plate 1.5 bellows suction cups Ø 33 mmin natural rubber with flow resistors Ø 1.1 mm

Special version

VACUUM LEVELDISPLAY

Without

Electronic display typevacuumswitch

Vacuumgauge

* see page 13/12 table of the possible configurations.* configurations.* E1/E2 : mini. length of the gripper 280 mm.E3 : mini. length of the gripper 545 mm.

* only for E1 and E2

Example of composed part numbers:

CVG vacuum gripper length 424 mm without plate, with 1 integrated vacuum generator CMSE 100, NC vacuum and blow-off control, electronic display type vacuum switch.

Suction cup plate for vacuum gripper length 424 mm, fitted out with VSP cups Ø 14 mm Si3 and flow resistors Ø 0.7 mm.

SPECIAL VERSIONSYour job may sometimes bring situations of use for which our standard versions are not fully adapted.

COVAL is able to give you a customized reply following your specifications by integrating specific functions or by offering you tailored vacuum grippers (adjustment of length or selection of suction cup type).

NC

NONONO