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Gripper for small components KGG, Size: 70, pneumatic

  • Stroke per jaw: 24 mm
  • Closing force: 63 N
  • Opening force: 85 N
  • Max. ambient temperature: 90 °C

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Technical data KGG 70-48

Stroke per jaw [mm] 24
Closing force [N] 63
Opening force [N] 85
Closing force (with finger lengths of 0 mm) [N] 67
Opening force (with finger lengths of 0 mm) [N] 93
Weight [kg] 0.19
Recommended workpiece weight [kg] 0.32
Fluid consumption double stroke [cm³] 10
Min. operating pressure [bar] 2.5
Max. operating pressure [bar] 8
Nominal operating pressure [bar] 6
Closing time [s] 0.05
Opening time [s] 0.05
Max. permissible finger length [mm] 50
Max. permissible weight per finger [kg] 0.06
IP protection class 40
Min. ambient temperature [°C] 5
Max. ambient temperature [°C] 90
Repeat accuracy [mm] 0.02
Cleanroom class ISO 14644-1:1999 7
Length X [mm] 105.4
Width Y [mm] 22
Height Z [mm] 34.2
Moment Mx max. [Nm] 1.5
Moment My max. [Nm] 3.5
Moment Mz max. [Nm] 4
Max. axial force Fz max. [N] 220
It may take a few 100 gripping cycles until the full gripping force (as indicated in the data table) will be available.

General notes about the series

Gripping force
is the arithmetic sum of the individual force applied to each jaw at distance P (see illustration).

Finger length
is measured from the reference surface as the distance P in direction to the main axis. The maximum permissible finger length applies until the nominal operating pressure is achieved. With higher pressures, the finger length must be reduced proportionally to the nominal operating pressure.

Repeat accuracy
is defined as a distribution of the end Position for 100 consecutive strokes.

Workpiece weight
is calculated for force-fit gripping with a coefficient of static friction of 0.1 and a safety factor of 2 against workpiece slippage at acceleration due to gravity g. For form-fit or capture gripping, there are significantly higher permissible workpiece weights.

Closing and opening times
are purely the times that the base jaws or fingers are in motion. Valve switching times, hose fill times, or PLC reaction times are not included, and are to be considered when cycle times are calculated.

Operating principle
Directly driven base jaws, synchronized by rack and pinion

Housing material
Aluminum alloy, anodized

Base jaw material
Aluminum alloy, anodized

Actuation
pneumatic, with filtered compressed air as per ISO 8573-1:2010 [7:4:4].

Warranty
24 months

Service life characteristics
on request

Scope of delivery
Brackets for proximity switches, centering sleeves, O-rings for direct connection, assembly instructions (operating manual with declaration of incorporation is available online)

Gripping force maintenance device
possible with pressure maintenance valve SDV-P

Product reviews KGG 70-48

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    Downloads

    Product Overview Gripping Systems 2022

    KGG 60 to KGG 140 Operating Manual

    KGG 220-280 Operating Manual

    KGG 80 (Old Version) Operating Manual DE/EN

    KGG 140 (Old Version) Operating Manual DE/EN

    KGG (old version until 2010)