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HBM T32 FNA Operating Manual

Torque transducers
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SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com
HBM Mess- und Systemtechnik GmbH
Operating manual
Torque Transducers
T32 FNA
SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com
Electrical
measurement
of mechanical
quantities
B 23.T32FNA.10 e

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Summary of Contents for HBM T32 FNA

  • Page 1 SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com Electrical measurement of mechanical HBM Mess- und Systemtechnik GmbH quantities Operating manual Torque Transducers T32 FNA B 23.T32FNA.10 e SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com...
  • Page 2 SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com...

  • Page 3: Table Of Contents

    SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com T32FNA Contents Page Safety instructions ..........1 General description, field of application .

  • Page 4: Safety Instructions

    SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com Safety instructions Appropriate use The T32 FNA Torque Transducer may be used for torque-measurement and directly related control and regulation tasks, only. Any other use is not ap- propriate. To ensure safe operation, the transducer may only be used according to the specifications given in this manual.
  • Page 5 T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com In this manual, the below symbols are used to refer to residual dangers: DANGER Symbol: 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. WARNING Symbol: Meaning: Potentially dangerous situation...
  • Page 6 Prevention of accidents According to the prevailing regulation to prevent accidents a cover has to be fitted after the mounting of the torque transducers T32 FNA as follows: Ÿ the cover must be stationary Ÿ the cover shall avoid any danger of squeezing and provide protection against parts that might come loose Ÿ...

  • Page 7: General Description, Field Of Application

    Owing to the bearing-free design preventive maintenance and lubrication is not required. Friction losses and heating will not occur. The field of use of the T32 FNA is to measure the required power or the effi- ciency, or applications on process control as well as continuous monitoring of machines.

  • Page 8: Construction And Function

    T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com Construction and function 2.1 Construction The schematic design of a torque transducer is given in Fig. 2.1. The torque transducer consists of a measurement body which is screwed to the measure- ment object by means of two flanges. The hollow shaft which forms the measurement body is equipped with strain gauges.

  • Page 9: Torque Measurement System

    2.1.1 Torque measurement system In the torque transducers T32 FNA there are strain gauges for torque mea- surement mounted on the rotor in the direction of the main stress. They are connected as a Wheatstone bridge so that only torque will unbalance the bridge.

  • Page 10: Speed Measurement System

    T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com Plug ”MD” Supply voltage for rotor 15kHz, 54V/74V Pre--amplifier --15V ”MD” and ”n” +15V ”MD”-output signal ..5/15kHz Plug ”n” Speed signal 25 V Speed signal 25 V Rotor Stator Fig.
  • Page 11 T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com Note: The limit values given for the speed measurement system are not iden- tical to the physical stress limits for the system which can be considerably lower. A: Concentric stator and rotor B: Static eccentricity 0,5 mm C: Static eccentricity 1,0 mm D: Static eccentricity 2,0 mm Relative vibration amplitude (peak--to--peak) in...

  • Page 12: Installation

    3.3 Mounting The torque transducers T32 FNA may be mounted in a train of shafts without couplings. However, it is imperative that error loads due to deviations from plane running, smooth running and concentricity shall have no effect on the torque transducer.
  • Page 13 912-12.9 934-12 The screw length belongs to the combination T32 FNA-Tacke GLB-Curved Tooth CouplingsÊ The information given above applies under the following conditions: Surface condition of the flanges in the area of the friction fit surfaces and of the contact surface of scre- ‹...

  • Page 14: Mounting With Curved Tooth Couplings

    In addition, angular displacement and parallel or axial shift are compensated with small restoring force. HBM can supply suitable couplings that are well matched to the type of torque transducer and the intended use. Special requirements of the customer are taken care of and the shaft connections are made to the specified dimensions.

  • Page 15: Fixing Of The Housing

    Follow these points when mounting: (see section ”9. Dimensions”) - The T32 FNA shall be mounted in the train of shafts as delivered so that the mounting plane of the stator is seated on the prepared support plane without play or stress. The two connection flanges shall be connected to the shaft ends or couplings respectively.

  • Page 16: Mounting Position

    T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com 3.5 Mounting position The T32 FNA can be mounted in any position. If mounted with couplings the relevant restrictions of the couplings shall be observed regarding slanted or vertical operation. For the determination of the sense of rotation the following holds: An arrow is marked on the stator for the unambiguous determination of the sense of rotation.

  • Page 17: Limits Of Application

    (see section ”8. Technical Data”) - The vibration characteristics of the combined torque transducer and cou- pling supplied by HBM have been tested on a testbed and fulfil the require- ments of diagram 1. SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com...
  • Page 18 Diagram 1: Vibration amplitude versus the speed Using a T32 FNA torque transducer in conjunction with SBG curved-tooth couplings allows the advantages of the T32 FNA to be utilized for low speeds in combination with cheap couplings. In this combination the continuous speeds are lower than with the GLB curved-tooth couplings normally used.

  • Page 19: Electrical Connections

    SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com Electrical connections 4.1 Connection plugs and cables The type T32 FN / T32 FNA torque transducers differ only in the type of con- nector: T32FN ... .

  • Page 20: Instruments That Can Be Connected

    12.5kHz 50% of the rated torque. The precise value is given on the nameplate of the T32 FNA. The am- plifier has to be adjusted to the precise calibration signal of the connected un- loaded torque transducer in order to achieve calibration of the measurement chain.

  • Page 21: Load Limits

    When dynamic torque is measured one should note the fol- lowing: - The static calibration of the T32 FNA is also valid for dynamic torque mea- surements. Note: The frequency of dynamic torque must not exceed the natural fre- quency of the mechanical measuring installation.

  • Page 22: Maintenance

    Lower torque limit Fig. 6.1: Amplitudes of dynamic torque Maintenance Torque transducers type T32 FNA are maintenance-free owing to their design without bearings and with non-contacting transfer of the energising voltages and of the measured signal. SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com...

  • Page 23: Technical Data

    T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com Technical Data Accuracy class Torque measuring system Nominal torque M 100 200 500 Measuring system strain gauge full bridge Excitation voltage -- and measuring signal transmission Inductive Excitation voltage 54 ™ 5 % Square-wave voltage (peak-to-peak) 800 ™...
  • Page 24 1% of the nominal torque can occur. 2) The technical data did not change after impact and vibrational stressing test. 3) The maximum permissible continuous speed for the T32 FNA-coupling mounted and balanced by HBM given on the plate.
  • Page 25 ™ 3 (centering with fixing elements) 4) The balance quality grades include the coupling housing if it has been mounted on the shaft by HBM. 5) Accurate measurement of speed depends on the relation between the static eccentricity and the maximum vibration amplitude of the rotor (see para.

  • Page 26: Dimensions

    T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com Dimensions Plug for speed Plug for torque measuring signal measuring sig- Type plate and indication of direction Transport locking device and mounting accessory Mounting surface Flange A Flange B Permissible deviation ™ of pitch 5’...

  • Page 27: Copy Of Declaration Of Conformity

    T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com Copy of Declaration of Conformity SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com...
  • Page 28 T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com...
  • Page 29 T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com...
  • Page 30 T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com...
  • Page 31 T32FNA SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com...
  • Page 32 OTTINGER ALDWIN ESSTECHNIK All details describe our products in general HBM Mess- und Systemtechnik GmbH form only. They are not to be understood as Postfach 10 01 51, D-64201 Darmstadt express warranty and do not constitute any Im Tiefen See 45, D-64293 Darmstadt liability whatsoever.

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