Festo DHRC-20-A Bedienungsanleitung

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DHRC

Radial gripper

Festo SE & Co. KG

Ruiter Straße 82

73734 Esslingen

Deutschland

+49 711 347-0

www.festo.com

Operating instructions

8159517

2021-12

[8159519]

Translation of the original instructions

© 2022 all rights reserved to Festo SE & Co. KG

1

Applicable Documents

All available documents for the product

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www.festo.com/sp.

2Safety

2.1Safety instructions

–

Only use the product in its original condition without unauthorised modifica-

tions.

–

Take into account the ambient conditions at the location of use.

–

Only use the product if it is in perfect technical condition.

–Store the product in a cool, dry environment protected from UV and corrosion.

Keep storage times short.

–Before working on the product, switch off the compressed air supply and lock it

to prevent it from being switched on again.

2.2Intended use

The intended use of the product is to grip and hold payloads (workpieces) using

custom-designed gripper fingers attached by the customer.

2.3Training of qualified personnel

Work on the product may only be carried out by qualified personnel who can

evaluate the work and detect dangers. The qualified personnel have knowledge

and experience in dealing with pneumatic drives and pneumatic axes.

3

Additional information

–Contact the regional Festo contact if you have technical problems

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www.festo.com.

–Accessories and spare parts

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www.festo.com/catalogue.

4

Function

–Alternating pressurisation of the supply ports moves a piston in the gripper.

This results in a double-acting function.

–A gripper with integrated spring return is used to exert the gripper force. When

exhausting the single-acting gripper: the spring return moves the gripper jaws

to the initial position.

–N/O contact: NO normally open

–

N/C contact: NC normally closed

–The piston movement is transmitted mechanically to the gripper jaws. Gripper

fingers are attached to the gripper jaws. Closing or opening the gripper fingers

clamps the payload by the outer contour or the inner contour.

–

The gripping force is adjusted by external regulation of the operating pressure.

–The gripper has integrated fixed flow restrictors. If the maximum gripper finger

weights and the maximum gripper finger lengths are in compliance, external

flow control is not required.

5Product design

1

2

3

4

5

Fig. 1:Product design

1

Gripper jaw

2

Threaded hole for mounting

3

Locating hole

4

Supply port

5

Slot for proximity switch

6Assembly

6.1

Preparing the gripper fingers

The gripper fingers are not included in the delivery.

Requirements for the gripper fingers

è

12 Technical data:

–Observe the maximum permissible forces and maximum permissible torques at

the gripper jaw.

–

Observe the maximum length and weight.

–Use gripper fingers that are as short and light as possible.

–

Manufacture gripper fingers that are suitable for the payload and type of grip-

ping action.

DHRC-6-10-16-20-25-32

Width at gripper jaws[mm]2.234.45.66.68.6

Tab. 1:

Width of gripper jaws

6.2

Mounting gripper finger

2

1

3

Fig. 2:

Mounting gripper finger

1

Gripper finger

2

Screw

3

Gripper jaw

•Position the prepared gripper fingers [1] on the gripper jaws [3] and secure

with two screws [2] on each. Fix the gripper jaws in place during mounting and

use the specified tightening torque.

DHRC-6-10-16-20-25-32

Screw––M4M5M6

Drilled hole 2.2 3.2–––ÆÆ

Locating hole for centring pin[mm]– 2 + 0.02 3 + 0.02ÆÆ

Tightening torque[Nm]0.41.22.12.84.88.6

Tab. 2:

Dimensions and tightening torque

Produktspezifikationen