HBM BU18 Manuel utilisateur

A2306-1.3 en/de

Build-up-System

zur Kraftmessung

BU18

Mounting instructions

Montageanleitung

Build-up-System

for force measurement

English Page 3 −19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Deutsch Seite 20 −35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

BU18

HBMA2306−1.3 en/de

Contents Page

Safety instructions 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 Scope of supply 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Application notes 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Mounting 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1 Removing from the carrying case 9. . . . . . . . . . . . . . . . . . . . . . . . . .

3.2 Mechanical assembly 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 Conditions on site 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1 Ambient temperature 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2 Moisture and humidity 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.3 Air pressure 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 Installation 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 Electrical connection 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.1 Pin assignment 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 Specifications 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8 Dimensions 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.1 BU18/3MN dimensions 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.2 C18−S1/1MN dimensions 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4BU18

HBM A2306−1.3 en/de

Safety instructions

ATTENTION

Before using the build−up system, it is essential to also read and

understand the Mounting Instructions for the C18 force transducer. This

is included in the scope of supply.

Intended use

The BU18 build-up system must only be used for the accurate measurement of

compressive force. Use for any additional purpose shall be deemed to be not

as intended.

In the interests of safety, the transducer should only be operated as described

in the Mounting Instructions. It is also essential to comply with the legal and

safety requirements 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. For safe and trouble−free operation, this transducer must not only be

correctly transported, stored, sited and mounted but must also be carefully

operated and maintained.

General dangers of failing to follow the safety instructions

The BU18 build-up system is a state of the art unit and as such is failsafe. The

build-up system may give rise to remaining dangers if it is inappropriately

installed and operated by untrained personnel.

Any person instructed to carry out installation, commissioning, maintenance or

repair of the build-up system must have read and understood the Mounting

Instructions and in particular the technical safety instructions.

Remaining dangers

The scope of supply and performance of the build-up system covers only a

small area of force measurement technology. In addition, equipment planners,

installers and operators should plan, implement and respond to the safety

engineering considerations of force measurement technology in such a way as

to minimize remaining dangers. Prevailing regulations must be complied with at

all times. There must be reference to the remaining dangers associated with

force measurement technology.

BU18

HBMA2306−1.3 en/de

Remaining dangers are indicated in these Mounting Instructions by the

following symbols:

Symbol: DANGER

Meaning: Maximum danger level

Warns of an imminently dangerous situation in which failure to comply with

safety requirements will result in death or serious physical injury.

Symbol: WARNING

Meaning: Possibly dangerous situation

Warns of a potentially dangerous situation in which failure to comply with

safety requirements can result in death or serious physical injury.

Symbol: CAUTION

Meaning: Possibly dangerous situation

Warns of a potentially dangerous situation in which failure to comply with

safety requirements could lead to damage to property, slight or moderate

physical injury.

Symbols for application notes and useful information:

Symbol: NOTE

Means that important information about the product or its handling is being

given.

Symbol:

Meaning: CE mark

The CE mark enables the manufacturer to guarantee that the product

complies with the requirements of the relevant EC directives (the Declaration

of Conformity can be found at http://www.hbm.com/HBMdoc).

6BU18

HBM A2306−1.3 en/de

Unauthorized conversions and modifications are prohibited

The build-up system 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 build-up system must only be installed by qualified personnel, strictly in

accordance with the specifications and in conjunction with the safety

requirements and regulations listed below. It is also essential to observe the

appropriate legal and safety regulations for the application concerned. The

same applies to the use of accessories.

Qualified personnel means persons entrusted with the installation, assembly,

commissioning and operation of the product, who possess the appropriate

qualifications for their function.

Conditions on site

Protect the build-up system from moisture and humidity or weather conditions

such as rain, snow, etc.

Maintenance

The BU18 build-up system is maintenance free.

Accident prevention

The prevailing accident prevention regulations must be taken into account,

even though the nominal (rated) force values in the destructive range are well

in excess of the full scale value.

BU18

HBMA2306−1.3 en/de

1 Scope of supply

C18−S1/1MN measuring body (Class 00 per ISO 376), 1 m cable

with fitted Fischer S103 A057−130 plug 3 units

C18 mounting base 3 units

C18 thrust piece 3 units

Pendulum 3 units

BU18 top plate 1 unit

BU18 mounting base 1 unit

Centering bolt 6 units

Centering bolt with eye nut 1 unit

Lifting anchor 1 unit

Ring bolts, rotating, including wrench 3 units

Distributor box with Fischer K103 A057−130 sockets 1 unit

Extension cable, six wire technique, 5 m,

Fischer K103 A057−130 socket and 15−pin D−Sub plug 1 unit

Connection cable, six wire technique, 7 m,

Fischer S103 A057−130 plug and 15−pin D−Sub plug 1 unit

Carrying case with chassis 1 unit

Accessories (not included in scope of supply)

•PTB calibration certificate per ISO 376;

to 5 MN; calibrated in compression direction K−CAL−FD7DS

8BU18

HBM A2306−1.3 en/de

2 Application notes

The BU18 build−up system is a modular measurement system for measuring

compressive forces. These can be measured to 3 MN with the complete

system, as well as to 1 MN with the individual C18−S1/1MN force transducers

(it is essential here to comply with the Mounting Instructions for the C18). This

allows the traceability of a force calibration system for 3 MN to be

implemented with the aid of the more accurately calibrated 1 MN force

transducer.

Because the system measures static and quasi−static compressive forces

with high accuracy and reproducibility, it must be handled carefully. It is

essential to keep to the mechanical structure described in these

Mounting Instructions, as measurement errors may otherwise occur.

Particular care must be taken when transporting and installing the system.

Dropping or knocking may cause permanent damage to the transducers.

The build−up system can be used with both DC voltage amplifiers and

carrier−frequency amplifiers with a maximum carrier frequency of 600 Hz.

With a PTB calibration to ISO 376, the Class 00 rating of the C18−S1/1MN

force transducer is assured. To achieve optimum accuracy, it is advisable to

calibrate the entire measurement chain. This comprises the transducer, the

cable and the amplifier.

The specifications list the permissible limits for mechanical, thermal and

electrical stress.

It is essential that these are taken into account when planning the measuring

set−up, during installation and ultimately, during operation.

BU18

HBMA2306−1.3 en/de

3 Mounting

3.1 Removing from the carrying case

The system is delivered fully assembled. To remove it from the carrying case,

remove the upper attachment from the carrying case. The complete unit can

then be lifted at the central ring nut or alternatively by the three eyebolts at the

side.

ATTENTION

Before lifting, you must check that the ring nut is screwed right down

onto the centering bolt and that this is screwed right down onto the

lifting anchor. The eyebolts at the side must also be screwed right in

(use the wrench).

Use only approved hoisting gear with sufficient carrying force.

3.2 Mechanical assembly

The BU18 comprises a mounting base, the transducer, transducer mounting

base, pendulum and thrust piece assemblies and the top plate with the guide

element. The guide element is not designed to be removed.

The BU18 mounting base and the C18 mounting bases, as well as the

transducers themselves, are connected by centering bolts. These bolts are

interchangeable. A central lifting anchor with centering bolts is attached in the

top plate and three side eyebolts are attached to the BU18 mounting base for

transporting the BU18.

10 BU18

HBM A2306−1.3 en/de

Centering bolt with eye nut x 1

Lifting anchor x 1

BU18 top plate with

guide element x 1

Thrust piece x 3

Pendulum x 3

C18/1MN force transducers x 3

C18 mounting base x 3

Centering bolts x 6

BU18 mounting base x 1

Rotating eyebolt x 3

Fig. 3.1: Assembly diagram

The overall heights of the individual thrust piece, pendulum, transducer and

C18 mounting base assemblies match precisely and the surfaces are

superfinished. So the individual components must not be swapped between

the assemblies.

Each component is uniquely identified by the serial number of the associated

transducer and the position number. (see Fig. 3.2, Marking) The serial number

of the complete K−BU18 / 3MN system is located on the BU18 mounting

base.

The transducers must always be mounted by their respective mounting bases

onto the complete system mounting base.

To minimize reproducibility error, the angular position of the transducers and

mounting bases is specified. When assembled, the cable outputs must point

outward radially. For accurate positioning, there are also markings on all the

mounting bases as well as the measuring bodies. (see Fig. 3.2, Marking)

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