HBM T20WN Manual de usuario

Mounting instructions | Montageanleitung |

Notice de montage

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T20WN

Hottinger Baldwin Messtechnik GmbH

Im Tiefen See 45

D-64239 Darmstadt

Tel. +49 6151 803-0

Fax +49 6151 803-9100

Email: [email protected]

Internet: www.hbm.com

Mat.: 7-2001.0555

DVS: A0726-14.0

05.2014

EHottinger Baldwin Messtechnik GmbH.

Subject to modifications.

All product descriptions are for general information only.

They are not to be understood as a guarantee of quality or

durability.

Änderungen vorbehalten.

Alle Angaben beschreiben unsere Produkte in allgemeiner

Form. Sie stellen keine Beschaffenheits- oder Haltbarkeits

garantie im Sinne des §443 BGB dar.

Sous réserve de modifications.

Les caractéristiques indiquées ne décrivent nos produits

que sous une forme générale. Elles n'impliquent aucune

garantie de qualité ou de durablilité.

Mounting instructions | Montageanleitung |

Notice de montage

English Deutsch Francais

T20WN

2 A0726-14.0 T20WN

English

1 Safety instructions 3........................................

2 Application 6...............................................

3 Installation 7...............................................

3.1 Installation position 7.........................................

3.2 Installation options 7.........................................

3.3 Couplings 8.................................................

3.3.1 Installation position with couplings 8............................

3.3.2 Installation 8................................................

4 Electrical connection 10......................................

4.1 General instructions 10........................................

4.2 Connector 10.................................................

4.3 Cable extension 11...........................................

4.4 Shielding design 12...........................................

5 Load‐carrying capacity 13....................................

5.1 Measuring dynamic torque 13..................................

5.2 Maximum rotation speed 14....................................

6 Displaying torque and direction of rotation 15.................

7 Maintenance 16..............................................

8 Dimensions 17..............................................

9 Specifications 18............................................

10 Accessories 24..............................................

10.1 Bellows‐type couplings 25......................................

10.1.1 Dimensions for the bellows‐type couplings (in mm) 25.............

10.1.2 Specifications for bellows‐type couplings 26......................

Safety instructions

T20WN A0726-14.0 3

1 Safety instructions

Use in accordance with the regulations

Torque transducer T20WN is used exclusively for torque

and rotation speed measurement tasks and control and

adjustment tasks directly connected thereto. Use for any

additional purpose shall be deemed to be not in

accordance with the regulations.

In the interests of safety, the transducer should only be

operated as described in the Operating Manual. It is also

essential to observe the appropriate legal and safety

regulations for the application concerned during use. The

same applies to the use of accessories.

The transducer is not a safety element within the mean

ing of its use as intended. Proper and safe operation of

this transducer requires proper transportation, correct

storage, assembly and mounting and careful operation.

General dangers of failing to follow the safety

instructions

The transducer corresponds to the state of the art and is

fail‐safe. The transducer can give rise to remaining

dangers if it is inappropriately installed and operated by

untrained personnel.

Everyone involved with the installation, commissioning,

maintenance or repair of the transducer must have read

and understood the Operating Manual and in particular

the technical safety instructions.

Remaining dangers

The scope of supply and performance of the transducer

covers only a small area of torque measurement

technique. In addition, equipment planners, installers and

Safety instructions

4 A0726-14.0 T20WN

operators should plan, implement and respond to the

safety engineering considerations of torque

measurement technique in such a way as to minimise

remaining dangers. Prevailing regulations must be

complied with at all times. Reference must be made to

remaining dangers connected with torque measurement

technology.

In this Operating Manual remaining dangers are pointed

out using the following symbols:

Symbol Significance

CAUTION This marking warns of a potentially dangerous

situation in which failure to comply with safety

requirements can result in slight or moderate physical

injury.

Note This marking draws your attention to a situation in

which failure to comply with safety requirements can

lead to damage to property.

Emphasis

See….

Italics are used to emphasize and highlight text and

references to other chapters and external documents.

CE mark

The CE mark enables the manufacturer to guarantee that

the product complies with the requirements of the rele

vant EC directives (the declaration of conformity is avail

able at http://www.hbm.com/HBMdoc).

Statutory marking requirements for waste disposal

National and local regulations regarding the protection of

the environment and recycling of raw materials require

old equipment to be separated from regular domestic

waste for disposal.

Safety instructions

T20WN A0726-14.0 5

For more detailed information on disposal, please contact

the local authorities or the dealer from whom you pur

chased the product.

Conversions and modifications

The transducer must not be modified from the design or

safety engineering point of view except with our express

agreement. Any modification shall exclude all liability on

our part for any damage resulting therefrom.

Qualified personnel

The transducer must only to be installed and used by

qualified personnel, strictly in accordance with the

specifications and with safety requirements and

regulations. It is also essential to observe the appropriate

legal and safety regulations for the application concerned

during use. The same applies to the use of accessories.

Qualified personnel means persons entrusted with the

installation, fitting, commissioning and operation of the

product who possess the appropriate qualifications for

their function.

Prevention of accidents

In accordance with the health and safety regulations

relevant to accident prevention, once the operator has

fitted the torque transducer, a cover or cladding must be

attached as follows:

SThe cover or cladding must not be free to rotate.

SThe cover or cladding must prevent access to any

areas where crushing or shearing could occur, and

must provide protection against any parts that may

come loose.

Application

6 A0726-14.0 T20WN

SCovers and cladding must be positioned at a suitable

distance or so arranged that it prevents access to any

moving parts within.

SCovers and cladding must also be attached if the

moving parts of the torque transducers are installed

outside the area in which people are moving about

and working.

The only permitted exceptions to the above requirements

are if the various parts and assemblies of the machine

are already fully protected by the design of the machine

or by existing safety precautions.

2 Application

Torque transducer T20WN measure static and dynamic

torque and rotation speeds or angles of rotation for

turning or static machine parts in any direction of rotation.

It is designed for small to medium‐sized torque, such as

that measured on performance or function test benches

for domestic or business machines.

Installation

T20WN A0726-14.0 7

3 Installation

3.1 Installation position

Any installation position can be chosen for torque

transducer (see Chapter 3.3.1).

3.2 Installation options

CAUTION

The permissible load limits given in the specifications

(see Page 18) are mandatory.

ÈÈ

ÈÈÈÈÈÈÈ

ÈÈ

ÈÈÈ

Base mounting

between two full

couplings1)

Front mounting,

full coupling on the

right 2)-belt drive on

the left

1) HBM accessories: bellows‐type couplings. You will need two of these couplings.

2) HBM accessories: bellows‐type couplings. You will need one of these couplings.

Fig. 3.1 Installation options with couplings

Installation

8 A0726-14.0 T20WN

3.3 Couplings

HBM supplies bellows‐type couplings for the installation

of torque transducers. When prepared for delivery, the

couplings and the torque transducer are kept separate.

The following points must be observed during installation:

SOnly tighten the clamping screws of the couplings

once the shafts are installed in the coupling hubs!

SThe bellows‐type coupling must not be overstretched

beyond the specified permissible flexibility.

SDrive and output shafts must be without burr.

SRun the shaft diameter with j6 tolerance, to produce

the preferred fit H7/j6.

3.3.1 Installation position with couplings

With the bellows‐type couplings, the T20WN torque

transducer can be operated in any installation position

(horizontal, vertical or diagonal). With vertical and diago

nal operation, make sure that additional frames are ade

quately supported.

3.3.2 Installation

1. Degrease the hub bore of each coupling half member

and the shaft ends with solvent (for example,

acetone).

2. Push the hub onto the shaft, set the reference gap L

(making use of the full clamping length of the

coupling) and align the shafts.

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