HBM U5 Series User manual

Force transducer
U5
Mounting Instructions
B 20.U5.10 en
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3
U5
HBM 29.6.00
Contents Page
Safety instructions 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Scope of supply 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Applicationinformation 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Structure and mode of operation 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Measuring element 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Housing 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Conditionson site 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 Ambient temperature 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Moisture 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 Deposits 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 Mechanicalinstallation 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Important measures for installation 11. . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 General installation guidelines 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Installation for tensile loading/compressive loading 13. . . . . . . . . . . . .
5.3.1 Installation without adapter 13. . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.2 Installation with tensile force adapter and knuckle eye 14. . . .
5.3.3 Installation with two knuckle eyes 15. . . . . . . . . . . . . . . . . . . . . .
5.3.4 Installation with compressive force adapter 17. . . . . . . . . . . . .
6 Electrical connection 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1 Order code 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 Instructions for cabling 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 Specifications(VDI/VDE2638) 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Dimensions Standard Version 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.1 Dimensions mounting accessories for measurement
of compressive/tensile torce 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2 Knuckle eyes/thrust piece 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 Declaration of conformity 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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4U5
HBM 29.6.00
Safety instructions
Use in accordance with the regulations
Force transducers in the U5 range are designed for force measurements on
test benches/in press-fit devices/test devices/pressing. 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 Mounting Instructions. 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
transportation, correct storage, assembly and mounting and careful operation
and maintenance.
General dangers of failing to follow the safety instructions
The U5 force transducer corresponds to the state of the art and is fail-safe.
The transducers can give rise to remaining dangers if they are inappropriately
installed and operated by untrained personnel.
Everyone involved with the installation, commissioning, maintenance or repair
of a force transducer 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 transducer covers only a small
area of force measurement technique. In addition, equipment planners,
installers and operators should plan, implement and respond to the safety
engineering considerations of force measurement technique in such a way as
to minimise remaining dangers. Prevailing regulations must be complied with
at all times. There must be reference to the remaining dangers connected with
force measurement technique.
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U5
HBM 29.6.00
In these mounting instructions remaining dangers are pointed out using the
following symbols:
Symbol: WARNING
Meaning: 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.
Symbol: NOTE
Means that important information about the product or its handling is being
given.
Symbol:
Meaning: CE mark
The CE mark signals a guarantee by the manufacturer that his product meets
the requirements of the relevant EC directives (see Declaration of conformity
at the end of this Operating Manual).
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6U5
HBM 29.6.00
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. Mounting
and dismounting the adapter in accordance with Chapter 5 excluded.
Qualified personnel
This instrument is only to be installed by qualified personnel strictly in
accordance with the technical data and with the safety rules and regulations
which follow. 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, fitting,
commissioning and operation of the product who possess the appropriate
qualifications for their function.
Conditions on site
Protect the transducer from damp and weather influences such as rain, snow,
etc.
Maintenance
The U5 force transducer is maintenance free.
Accident prevention
Although the specified nominal force in the destructive range is several times
the full scale value, the relevant accident prevention regulations from the
trade associations must be taken into consideration.
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U5
HBM 29.6.00
1 Scope of supply
•1 Force transducer U5
•1 Operating Manual U5
Accessories (not included in the scope of supply):
•Adapter
Measuring range 100kN:
Compressive force adapter each with 8 screws M12 x 50
Order no. 2–9278.0349
Tensile force adapter each with 8 screws M12 x 50
Order no. 2–9278.0350
Bearing plate each with 8 screws M12 x 30
Order no. 2–9278.0351
Measuring range 200kN:
Compressive force adapter each with 8 screws M16 x 55
Order no. 2–9278.0352
Tensile force adapter each with 8 screws M16 x 55
Order no. 2–9278.0353
Bearing plate each with 8 screws M16 x 40
Order no. 2–9278.0354
Measuring range 500kN:
Compressive force adapter each with 8 screws M20 x 65
Order no. 2–9278.0355
Tensile force adapter each with 8 screws M20 x 65
Order no. 2–9278.0356
Bearing plate each with 8 screws M20 x 65
Order no. 2–9278.0357
•Knuckle eye ZGUW
100 kN: Order no. 1–Z4/100kN/ZGUW
200 kN: Order no. 1–U2A/10t/ZGUW
500 kN: Order no. 1–Z4/500kN/ZGUW
•Thrust piece EPO (including strain washer)
100 kN: Order no. 1–EPO3R/20T
200 kN: Order no. 1–EPO3R/20T
500 kN: Order no. 1–EPO3/100T
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8U5
HBM 29.6.00
•Cable/Connector
Connection cable Kab139A–6, 6m, with cable socket 723 and free ends;
Order number: 1–KAB139A–6
Connector MS3106PEMV mounted on Kab139A;
Order number: D–MS/MONT
15–pin D–Sub connector (male) mounted on Kab139A;
Order no.: D–15D/MONT
2 Application information
Force transducers of the U5 type series are suitable for measuring tensile and
compressive forces. They measure static and dynamic forces extremely
accurately and therefore require careful handling. You must take particular
care when transporting and installing the devices. If you knock or drop the
transducers, this could permanently damage them.
The housing provides an elaborate seal to protect the sensitive strain gauge
applications and it is essential that this is preserved. Therefore be particularly
careful around the top and bottom of the housing (see Fig. 3.1).
The limits for the permissible mechanical thermal and electrical stresses are
stated in the Specifications. It is essential that these are taken into
consideration in planning the measuring set-up, during installation and finally,
during operation.
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U5
HBM 29.6.00
3 Structure and mode of operation
3.1 Measuring element
The measuring element is a measuring spring made from stainless steel, to
which strain gauges (S.G.) are applied. The S.G. are arranged so that four of
them can be strained and the other four compressed when the transducer
reacts to a force.
3.2 Housing
The housing with the integrated measuring spring is completed underneath
and on top by an attached cover. No weight must be placed on this cover. It
should be protected against mechanical damage.
Cover
Cover
Fig. 3.1 Cover position
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10 U5
HBM 29.6.00
4 Conditions on site
4.1 Ambient temperature
The effects of temperature on the zero signal and on the sensitivity are
compensated. To achieve optimal measurement results the nominal
temperature range must be maintained. Temperature-induced measurement
errors are caused by heating (e.g. radiant heat) or cooling on one side. A
radiation barrier and all-round thermal insulation will produce a marked
improvement, but should not form a force shunt radiation shield
4.2 Moisture
Extreme humidity or a tropical climate should be avoided if this means that the
classified limit values are exceeded (degree of protection IP65 under DIN
EN 60529).
NOTE
Moisture must not be allowed to penetrate the free end of the
connection cable.
4.3 Deposits
Dust, dirt and other foreign bodies must not be allowed to accumulate such
that they divert part of the measured force onto the housing and so falsify the
measured value (force shunt).
NOTE
Foreign bodies must not be allowed to clog the gap beneath the
flange surface.
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