Festo EGC-TB-KF Bedienungsanleitung

en Operating

instructions

8076268

2017-11c

[8076270]

Toothed belt axis

EGC-TB-KF, EGC-HD-TB

2 Festo – EGC-TB-KF, EGC-HD-TB – 2017-11c

Translation of the original instructions

Symbols: Installation and commissioning may only be per

formed in accordance with these instructions by

technicians with appropriate qualifications.

Warning

Caution

Note

Environment

Accessories

English 3.........................................................................

EGC-TB-KF, EGC-HD-TB

Festo – EGC-TB-KF, EGC-HD-TB – 2017-11c English 3

English – Toothed belt axis EGC-TB-KF, EGC-HD-TB

Table of contents

1 Control sections and connections 4............................................

2 Function and application 5...................................................

3 Transport and storage 5.....................................................

4 Requirements for product use 6...............................................

5 Installation 7..............................................................

5.1 Mechanical assembly 7......................................................

5.1.1 Mount axis 7......................................................

5.1.2 Installation of the effective load 9.....................................

5.1.3 Installing external accessories 10.......................................

6 Commissioning 11...........................................................

7 Operation 12...............................................................

8 Maintenance and care 13.....................................................

9 Repair 14..................................................................

10 Accessories 15..............................................................

11 Troubleshooting 15..........................................................

12 Technical data 16............................................................

13 Characteristic curves 19......................................................

EGC-TB-KF, EGC-HD-TB

4 Festo – EGC-TB-KF, EGC-HD-TB – 2017-11c English

Documentation on the product

For all available product documentation èwww.festo.com/pk

1 Control sections and connections

EGC-...-TB-KF EGC-HD-...-TB

1342567

aAaBaC aC aB aA

1Thread and centring holes for foot mounting

2Cover cap

3Drive hollow shaft

4Thread for motor mounting kit

5Guide rail (2x with EGC-HD-...-TB)

6Thread and centring holes for mounting the

effective load

7slide

8Surface for profile mounting

9Thread for optional switch lug

(with EGC-HD-...-TB, both sides)

aJ Groove for proximity switch

(with EGC-HD-...-TB, both sides)

aA Grooves for slot nut mounting and

accessories

aB Relubrication opening (both sides,

2xEGC-...-TB-KF, 4xEGC-HD-...-TB)

aC Toothed belt

Fig. 1

EGC-TB-KF, EGC-HD-TB

Festo – EGC-TB-KF, EGC-HD-TB – 2017-11c English 5

2 Function and application

A toothed belt on a drive hollow shaft 3converts the rotation of a motor into a linear movement. The

slide 7then moves backwards and forwards.

The slide is bearing mounted. The reference position of the slide can be detected using proximity

sensors in the slots aJ.

The EGC-...-TB-KF toothed belt axis is intended to be used to quickly

position effective loads with large dimensions. It is approved for

slide operating mode.

The EGC-...-TB-KF and EGC-HD-...-TB are not approved for operating

conditions in which vegetable water-soluble greases or oils could

penetrate into the axis.

Fig. 2

Note

The EGC toothed belt axis is not braked: If the input torque is not applied, the slide is

freely movable.

Generally self-locking of the complete system can be achieved with motors with an

integrated spring-loaded holding brake or with high self-braking torque (e.g. for vertical

operation).

 Please select the corresponding motors from our catalogue

(èwww.festo.com/catalogue).

You will then be operating a mated pair, which are especially adapted to each other.

When using other motors:

 Observe the limit values for forces, torques and speeds

(è12 Technical data and 13 Characteristic curves).

3 Transport and storage

 Take the product's weight into account. Depending on the version, the EGC can weigh up to 350 kg.

For transport, the transport belts must be positioned at the permissible support distances

(support distances è13 Characteristic curves).

 Ensure the following storage conditions:

– Storage times should be kept to a minimum

– cool, dry, shaded, corrosion-protected storage locations

– no oils, greases or grease-dissolving vapours.

In this way you ensure the performance of the toothed belt.

EGC-TB-KF, EGC-HD-TB

6 Festo – EGC-TB-KF, EGC-HD-TB – 2017-11c English

4 Requirements for product use

Warning

Unexpectedly fast moving masses can harm people or property items (crushing).

 Apply power to the drive motor, at first limited to low speeds and torques.

Note

Malfunctions will occur if the device is not used correctly.

 Make sure that the specifications contained in this chapter are adhered to at all

times.

 Take into consideration the legal regulations applicable for the destination, as well as:

– regulations and standards

– regulations of the testing organizations and insurers

– national specifications.

 Note the warnings and instructions on the product and in the relevant operating instructions.

 Remove all transport packaging, such as foils, caps and cardboard.

The material used in the packaging is intended for recycling

(exception: oil paper = residual waste).

 Observe the local regulations for environmentally friendly waste management of electronic compon

ents.

 Take into account the material specifications (è12 Technical data).

 Use the product in its original status, without any unauthorised modification.

 Take into consideration the environmental conditions at the location of use.

Corrosive environments reduce the service life of the product (e.g. ozone).

 Compare the limit values in these operating instructions with those of your application (e.g. forces,

torques, temperatures, masses, speeds).

Only if the load limits are observed is it possible to operate the product in compliance with the rel

evant safety regulations.

 Take the tolerance of the tightening torques into account. Unless otherwise specified,

the tolerance is ±20 %.

EGC-TB-KF, EGC-HD-TB

Festo – EGC-TB-KF, EGC-HD-TB – 2017-11c English 7

5 Installation

5.1 Mechanical assembly

 Do not modify the screws and threaded pins.

Exception: Direct request to do so in these operating instruc

tions.

 Mount the motor onto the axis in accordance with the assembly

instructions for the motor mounting kit recommended in the

catalogue.

Fig. 3

5.1.1 Mount axis

Requirements

 Position the product in such a way that its control sections are accessible (e.g. relubrication open

ings).

 Make sure that the mounting components are outside the positioning range of the slide.

 Install product without tension or distortions.

 Fasten product to a mounting surface with flatness of 0.05 % of

the stoke length, but max. 0.5 mm.

For gantry applications, attention must also be paid to parallel

alignment or product heights in alignment of the axes.

For additional information, contact your local Festo Service.

 Take the required support spacing into account

(è13 Characteristic curves).

Fig. 4

 Attach the EGC (èTab. 1).

EGC-TB-KF, EGC-HD-TB

8 Festo – EGC-TB-KF, EGC-HD-TB – 2017-11c English

Interfaces for mounting components

on the cover on the profile

e.g. with foot mounting HPE1)

(only for EGC-...-TB-KF)

e.g. with slot nuts NST1) e.g. with profile mounting MUE1)

1) èwww.festo.com/catalogue

Tab. 1

Note

Danger of screws being pulled out if the axis is only mounted to the covers and the

torque load around the longitudinal axis is too great.

 If there are heavy loads, mount the axis to the profile with additional mounting

components.

 Tighten the mounting screws evenly with the following tightening torque.

Size 50 70 80 120 185

Screw (cover) M4 M5 M5 M8 M10

Tightening torque [Nm] 2.9 5.9 5.9 24 47

Tab. 2

For installation in a vertical or inclined position:

Warning

Injury to people and material damage!

If there is a power failure or if the toothed belt

breaks, the work load will slide down.

 Make sure that you only use motors with an

integrated spring-loaded holding brake. Fig. 5

 Check whether additional external safety measures against damage due to breaking

of the toothed belt are required (e.g. toothed latches, moving bolts or emergency

buffers).

EGC-TB-KF, EGC-HD-TB

Festo – EGC-TB-KF, EGC-HD-TB – 2017-11c English 9

5.1.2 Installation of the effective load

 Place the effective load so that the tilting torque resulting from

force F (parallel to the axis of motion) and lever arm “a” remains

low.

Fig. 6

 Fasten the effective load to the slide with the screws and cent

ring sleeves.

 Make sure that the maximum screw-in depth D is adhered to.

Fig. 7

Size 50 70 80 120 125 160 185 220

Screw (side/top) M4 M5 M5/M6 M5 M6 M6/M8 M6

Max. screw-in depth D [mm] 4.2 8.4 9.5 10 8.4 9.5 15 10

Centring (H7) [mm] 557/95/9999

Tightening torque [Nm] 2.9 5.9 5.9/9.9 5.9 9.9 9.9/24 9.9

Tab. 3

Effective loads with own guide:

 Adjust the guides of the effective load and of the EGC so that they are exactly parallel.

You will then avoid overloading the guide and increased wear.

With hard and stiff effective loads (e.g. steel):

Note

If the aluminium slide becomes bent against a curved

effective load, the service life of the guide will be re

duced.

 Make sure that the mounting surface of the

effective loads is even to within t=0.01 mm.

If additional slides are used, possible differences in

height must be compensated for. Fig. 8

Effective loads projecting in the longitudinal direction of the slide:

 Make sure that the effective load does not strike against the

motor.

Fig. 9

EGC-TB-KF, EGC-HD-TB

10 Festo – EGC-TB-KF, EGC-HD-TB – 2017-11c English

5.1.3 Installing external accessories

To protect the end positions against uncontrolled overrunning:

 Check whether proximity sensors are required (hardware limit switches).

If proximity sensors are used as limit switches:

 Preferably use proximity switches with normally-closed function.

These will protect an EGC with a fractured proximity switch cable from overrunning the end position.

If proximity switches are used as reference switches:

 Use proximity switches that correspond to the input of the controller being used.

 Use inductive proximity switches with switch lug aE (èassembly instructions of the accessory

used).

Mounting

in the grooves aJ (èFig. 1) with mounting bracket aD

aE aD

Tab. 4

 Avoid external influence caused by magnetic or ferrite parts in the vicinity of the proximity switches

(minimum distance of 10 mm to the slot nuts).

To protect the end positions:

 Use emergency buffer or shock absorber (èAssembly instructions of the accessory used).

To avoid contamination:

 Use slot covers in all unused grooves.

Andere Handbücher für EGC-TB-KF

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