HBM T21WN Manual de usuario

Mounting Instructions | Montageanleitung |

Notice de montage

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T21WN

Hottinger Baldwin Messtechnik GmbH

Im Tiefen See 45

D-64239 Darmstadt

Tel. +49 6151 803-0

Fax +49 6151 803-9100

[email protected]

www.hbm.com

Mat.: 7-2001.4776

DVS: A4776-1.0 HBM: public

09.2017

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 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 durabilité.

Mounting Instructions | Montageanleitung |

Notice de montage

English Deutsch Français

T21WN

2A4776-1.0 HBM: public T21WN

English

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

2 Markings used 5............................................

2.1 The markings used in this document 5..........................

2.2 Symbols on the product 5.....................................

3 Application 6...............................................

4 Installation 7...............................................

4.1 Installation position 7.........................................

4.2 Installation options 7.........................................

4.3 Couplings 8.................................................

4.3.1 Installation position with couplings 8............................

4.3.2 Installation 8................................................

5 Electrical connection 10......................................

5.1 General instructions 10........................................

5.2 Connector 10.................................................

5.3 Cable extension 12...........................................

5.4 Shielding design 13...........................................

6 Load‐carrying capacity 14....................................

6.1 Measuring dynamic torque 14..................................

6.2 Rotation speed 15............................................

7 Displaying torque and direction of rotation 17.................

8 Maintenance 18..............................................

9 Dimensions 19..............................................

10 Specifications 20............................................

11 Accessories 25..............................................

11.1 Bellows‐type couplings 26......................................

11.1.1 Dimensions for the bellows‐type couplings (in mm) 26.............

11.1.2 Specifications for bellows‐type couplings 27......................

Safety instructions

T21WN A4776-1.0 HBM: public 3

1 Safety instructions

Use in accordance with the regulations

Torque transducer T21WN 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 meaning of its use as

intended. Proper and safe operation of this transducer requires proper trans

portation, 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 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.

Safety instructions

4A4776-1.0 HBM: public T21WN

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, com

missioning and operation of the product who possess the appropriate qualifica

tions 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.

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.

In this Operating Manual remaining dangers are pointed out using the following

symbols:

Markings used

T21WN A4776-1.0 HBM: public 5

2 Markings used

2.1 The markings used in this document

Important instructions for your safety are specifically identified. It is essential to

follow these instructions in order to prevent accidents and damage to property.

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.

Notice 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.

2.2 Symbols on the product

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.

For more detailed information on disposal, please contact

the local authorities or the dealer from whom you pur

chased the product.

Application

6A4776-1.0 HBM: public T21WN

3 Application

Torque transducer T21WN 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

T21WN A4776-1.0 HBM: public 7

4 Installation

4.1 Installation position

Any installation position can be chosen for torque transducer (see

Chapter 4.3.1).

4.2 Installation options

CAUTION

The permissible load limits given in the specifications (see Page 20) 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. 4.1 Installation options with couplings

Installation

8A4776-1.0 HBM: public T21WN

4.3 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.

4.3.1 Installation position with couplings

With the bellows‐type couplings, the T21WN torque transducer can be oper

ated in any installation position (horizontal, vertical or diagonal). With vertical

and diagonal operation, make sure that additional frames are adequately sup

ported.

4.3.2 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.

3. Tighten the clamp element clamping screws with a torque wrench (for the

required tightening torque, see Tab. 4.1).

CAUTION

When installing the coupling, you must not exceed the permissible axial and

lateral forces or bending limit moments of the torque transducer!

When tightening the clamping screws, hold the coupling on the clamp element.

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