Festo CRDSNU-50 Handleiding

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Translation of the original instructions

© 2021 all rights reserved to Festo SE & Co. KG

1Applicable documents

All available documents for the product www.festo.com/sp.è

2Safety

2.1Safety Instructions

–Take into consideration the ambient conditions at the location of use.

–Only use the product in original status without unauthorised modifications.

–Observe labelling on the product.

–Store the product in a cool, dry, UV-protected and corrosion-protected envir-

onment. Ensure that storage times are kept to a minimum.

–Prior to mounting, installation and maintenance work: Switch off compressed

air supply and secure it from being switched back on.

–Observe tightening torques. Unless otherwise specified, the tolerance is

±20%.

2.2Intended use

The product is intended for the transport of loads.

2.3Training of skilled personnel

Installation, commissioning, maintenance and disassembly should only be con-

ducted by qualified personnel.

3Further information

–Accessories www.festo.com/catalogue.è

–Spare parts www.festo.com/spareparts.è

4Service

Contact your regional Festo contact person if you have technical questions

èwww.festo.com.

5Product overview

5.1Function

The piston rod moves outwards when the cylinder chamber is pressurised. The

advanced piston rod is retracted as follows:

–For double-acting cylinders, by pressurising the other cylinder chamber.

The cylinder force during advance and return is:

–different with piston rod at one end.

–identical with through piston rod.

The position of the piston can be detected by proximity switches.

5.2Design

1

Male thread on the piston rod for

mounting the payload

2

Male thread on the bearing cap for

mounting

3

Supply ports in the bearing/end

cap

4

Cross hole for mounting

Fig. 1 Sample illustration CRDSNU

5.3Mounting

•Handle the cylinder so as to avoid any damage to the cylinder barrel and pis-

ton rod.

•Observe the following points:

–parallel mounting when using external guides

–installation without distortion

–Compliance with the permissible loads www.festo.com/catalogueè

•Observe tightening torque of lock nuts on the male thread.2

Size121620253240506380100

Tightening torque

on the bearing cap

[Nm]151540406080100100550550

Tab. 1 Tightening torques on the bearing cap

•Avoid mechanical alignment inaccuracies between the piston rod and an

external guide using one of the following measures:

–absolutely precise alignment (general)

–use of a self-aligning rod coupler FK

–use of a guide unit FEN with compensating coupling

A rigid coupling impairs the service life and function of the cylinder.

5.4Mounting Accessories

In the case of a large payload, high piston speed or when using quick exhaust

valves:

•Use suitable shock absorbers or external stops.

To prevent the payload from sliding down suddenly in the event of an air supply

failure in a horizontal or sloping mounting position:

•Use piloted check valves.

To set the speed:

•Use one-way flow control valves in the following supply ports:

–For single-acting cylinders: GRLZ (supply air)

–For double-acting cylinders: GRLA (exhaust air)

The one-way flow control valves are screwed directly into the supply ports. Use of

other accessories with a screw-in depth that is too long will damage the cushion-

ing piston.

For position sensing with proximity sensors:

•Use proximity sensors with mounting kit.

Avoid external influence caused by magnetic or ferritic parts in the vicinity of

the proximity sensors (spacing10mm).³

6Installation

6.1Pneumatic Installation

•Connect tubing to supply ports.

7Commissioning

7.1Preparation

•Pressurise the system slowly. A soft start valve is used for gradual start-up

pressurisationwww.festo.com/catalogue. è

With medium or large payloads or at high speeds:

•Use sufficiently large arrester fixtures. The product will tolerate the maximum

velocities and payloads without external arrester fixtures

èwww.festo.com/catalogue

8143197

CRDSNU

Round cylinder

8143197

2021-01c

[8143199]

Operating instructions

Festo SE & Co. KG

Ruiter Straße 82

73734 Esslingen

Germany

+49 711 347-0

www.festo.com

Product specificaties