Home

TF Series User`s Manual

1. 20 Transmitter HF Rotor antenna Air gap 2 mm E S T amp ol i Y E i Air gap 1 5 mm 3 3 a N 8 Speed sensor 1 115 SS 25 NN BANT BH 7 RSS Magftrol TF Series Torque Flange Sensors Chapter 1 Introduction 566 2 1H0LI Air gap 2mm Y 919 xg Transmitter HF Air gap 2 mm 022 xg 2219 xg 20 3 6 5 47 NY mL 1H 060 cvi xg 1H0LI v9LO Rotor antenna 76 2 Transmitter HF Rotor antenna 115 Speed sensor 115 Air gap 1 5mm Speed sensor Air gap 1 5 mm e o 1 Sensor D TF 215 TF 216 Magtrol TF Series Torque Flange Sensors Chapter 1 Introduction Sensor Dimensions T Transmitter HF __ 20 Air 2 Rotor antenna 4 i 8 1 Lo o o Air gap 1 5 mm i X r 3 g o 2 8 5 D 11 3 1 1 1 19 TF 218 AND TF 219 60 25 Transmitter HF Rotor antenna
2. Measuring Flange Figure 2 3 Incorrect Mounting Magtrol TF Series Torque Flange Sensors Chapter 2 Installation Configuration 2 2 2 1 Couplings for Angular Misalignment In case of a slight angular error a one piece lamella coupling cardan shaft or bellows coupling may be used One piece Lamella Figure 2 4 Coupling Options for Angular Misalignment Correction 2 2 2 2 Couplings for Radial Misalignment If the shaft mounting shows a slight radial misalignment a two piece lamella coupling double cardan shaft or bellows coupling may be used These elements provide the system with two degrees of freedom in order to compensate for a slight radial misalignment vA lt Sat Sat ES Bellows Two piece Lamella Figure 2 5 Coupling Options for Radial Misalignment Correction Chopter 2 Installation Configuration Magtrol TF Series Torque Flange Sensors 2 2 3 MouNriNG CONSIDERATIONS Mounting Flange and Coupling Specifications Minimum Tensile Strength 700 N mm Minimum Hardness 25 HRC Roughness Ra 1 6 Minimum Face Flatness 0 03 mm Centering Tolerance g6
3. Conditioner 5 W mounted inside electronics module Chapter 1 Introduction Magtrol TF Series Torque Flange Sensors Hf i i Ordering Information TF OPTIONS AND ORDERING INFORMATION MODEL NUMBER TF 2 0 11 MODEL TF 2 0 22 0 SPEED MEAUSUREMENT without standard 1 with option 2 SYSTEM OPTIONS Model 3410 Torque Transducer Display Connection Cables Magtrol offers the new Model 3410 Display which supplies power to any TF Sensor and displays torque speed and MODEL NUMBER ER 1 0 mechanical power Features include CABLE END e Adjustable English metric and SI torque units 14 Pin Connector 16 For use with 3410 Display or DSP6001 Controller Large easy to read vacuum fluorescent display dec BN Pigtail Wires 17 Built in self diagnostic tests e Overload indication CABLE LENGTH e Tare function e 10m 2 e RS 232 interface e 20m 3 e Torque and speed outputs e Closed box calibration Couplings e Includes Magtrol Torque 1 0 Software Torque 1 0 Software Magtrol s Torque 1 0 Software is an easy to use Windows executable program used to automatically collect torque speed and mechanical power data The data can be printed displayed graphically or quickly saved as a Microsoft Excel spreadsheet Standard features of Magtrol s Torque 1 0
4. Ax DEM eee eee 29 3 POWBRING UP THE SY STEM 29 Magtrol TF Series Torque Flange Sensors Table of Contents 3 2 7OBESET AND ee pee tren be re b ed e 30 4 MEASUREMENT CONSIDERATIONS 31 4 T DYNAMIC TORQUE he epo rettet er tbe t reti et eet rp P re teres 31 4 2 DETERMINING THE NATURAL FREQUENCY OF A DRIVE TRAIN esee eee eee 31 4 3 MAXIMUM DYNAMIC AMPLITUDE reete enne nennen retener enne treten eren 33 4 4 PARASITIC FORCES sci REBEL eh eet ee E ee dd 34 45 TEMPERATURE COMPENSATION caste staan E e D rea een 35 5 OPERATING PRINGIPEES ode Keats fa eae fi Spi Mie aUi 36 ded TELEMETRY PRINGIPEE 4 nU meat dete S or p ee i a aha Maeve ae 36 3 2 SIGNAL TRANSMISSION ER ERR eI re Pe e be e Ee Rd 36 5 2 1 MEASURING FLANGE TO CONDITIONER eese nenne nennen nennen 37 5 22 CONDITIONER TO MEASURING FLANGE essere enne een enne enne 37 5 2 SPEED SENSOR TO SPEED CONDITIONER esee 37 6 TROUBLESHOOTING MAINTENANCE eren nennen 38 6 1 DISMOUNTING THE MEASURING FLANGE eese 38 6
5. Measuring Flange _ lt LL 2 E O c 2 o Figure 2 6 Mounting Flange and Coupling Specifications e The mounting flange or coupling mounted on the same side as the rotor antenna must have a diameter equal to or smaller than the rotor antenna diameter e achieve the best possible centering of the measuring flange the mounting flanges and couplings should use a centering device with a g6 tolerance on the outside diameter as illustrated in Figure 2 6 Mounting Flange and Coupling Specifications The measuring flange is fitted with a centering bore tolerance H7 on each face eS Note If the mounting flange is also fitted with a centering bore an intermediate centering washer may be used see Figure 2 8 Mounted TF Aminimum distance of 10 mm between the main body of the mounting flange and its center piece as illustrated in Figure 2 7 Measuring Flange Spacing is necessary to avoid any disturbance when transmitting the HF telemetry signal Magtrol TF Series Torque Flange Sensors Chapter 2 Installation Configuration TF 10mm min Measuring Flange 9 E igi S E 5 E E 2 o Figure 2 7 Measuring Flange Spacing e Check the lengths of the screws and be sure to avoid any contac
6. Figure 1 1 TF Series Torque Flange Sensor Kit sese eene nennen eene nnne 1 Figure 1 2 Conditioner for TF 209 TF 217 Torque Flange Sensors eese 2 Figure 1 3 Electronics Module for TF 218 TF 220 Torque Flange Sensors Figure 1 4 Mounted TF Torque Flange Sensor with Speed Measurement Option Figure 1 5 Model 3410 Torque Display c cccccsccscecssssssesesessesessesseseeseseesessesesacseeseseesceacaeeseeesaceaeseescassceeseeaceesseesseeeaes 2 INSTALLATION CONFIGURATION Figure 2 I Installation Overview ette ine ee ER Ee de ee e Bree oe 15 Figure 2 2 Angular and Radial Misalignment 16 Figure 2 3 Incorrect Mounting aene Ted nere e BINE Pee a HP PUER Sa ee re Xe eee RETR 16 Figure 2 4 Coupling Options for Angular Misalignment Correction 2 17 Figure 2 5 Coupling Options for Radial Misalignment Correction 2 17 Figure 2 6 Mounting Flange Coupling Specifications 2 18 Figure 2 7 Measuring Flange Spacing esee netten ener ener 19 Figute 2 8 Mounted TF e dado ESRB Pr DR E rete iba 19 Figure 2 9 Screw Tightening Order see 20 Figure 2 10 Flange Mounting of TF 209 to TF 212 and TF 220 Sensors 2 21 Figure 2 11 Flange Mounting of TF 213 to TF 219 Sensors ossee 2 21 Figure 2 12 Coupling Mounting to Measuring Flange Mounting Flange Assembly 21 Figure 2 13 Coupling Mounting to Mea
7. Air gap 3 mm 8x 30 5 T 8x I 2 wt e N N N N S S S 3 7 Speed sensor Y 1 ooo y y 24 4 55 02 Chapter 1 Introduction Magtrol TF Series Torque Flange Sensors Sensor Dimensions TF 220 60 40 Speed sensor Air gap 1 5 mm 25 Transmitter HF Rotor antenna gap 3 mm i X i i i i 6 6 N e I T w e rs 5 e 5 e A N 5 E m 2 5 24 104 83 10 Magtrol TF Series Torque Flange Sensors Chapter 1 Introduction FA Sneed Sensor Dimensions TF STANDARD SPEED SENSOR The standard speed sensor is delivered with TF Torque Flange Sensors ordered with the speed measurement option Connection Transmitter Cable to speed conditioner Speed Sensor 115 E SW17 B Ht ON i 50 217 HIGH TEMPERATURE SPEED SENSOR The high temperature speed sensor is del
8. FALL CHEMICALLY ACIDS OR THERMALLY HOT AIR VAPOR 1 Make sure that all Magtrol electronic products are earth grounded to guarantee personal safety and proper operation 2 Checkline voltage before operating electronic equipment 3 Make sure that all rotating parts are equipped with appropriate safety guards Note Detailed information regarding safety guards can be found in Section 2 6 Protective Systems Periodically check all connections and attachments Always wear protective glasses when working close to rotating elements Never wear a necktie or baggy clothes when standing close to rotating elements QI e ce Never stand too close or bend over the rotating drive chain QUALIFIED PERSONNEL Persons in charge of installing and operating the TF Series Torque Flange Sensor must have read and understood this User s Manual paying extra close attention to all safety related information The TF Sensor is a high precision product integrating the most recent measurement techniques The sensor can give rise to residual dangers if used and manipulated in a non compliant way by unqualified personnel This sensor must be handled by qualified personnel according to the technical requirements and the above mentioned safety instructions This is also true when using torque flange accessories Table of Contents Magtrol TF Series Torque Flange Sensors RESIDUAL HAZARDS Sensor performance is only one element in torque m
9. ORIGINAL LENGTH AS DELIVERED Connect the HF transmitter to the conditioner with the supplied coaxial cable utilizing the dedicated connectors See Figure 2 19 Conditioner Connections 2 5 2 CONNECTING THE OPTIONAL SPEED SENSOR TO THE SPEED CONDITIONER Connect the speed sensor to the speed conditioner with the supplied connection cable utilizing the dedicated connectors See Figure 2 19 Conditioner Connections 25 Chapter 2 Installation Configuration Magtrol TF Series Torque Flange Sensors 2 5 3 CONNECTING THE CONDITIONER TO A SIGNAL Pnocesson DisPLAv UNIT 2 5 3 1 Conditioner Connector For connection to a signal processor display unit such as a Magtrol 3410 Torque Display or DSP6001 Controller the conditioner is equipped with a 9 pin D sub connector Torque signal 5 to 5 VDC 10 to 10 V DC for 200 Torque signal grounding 0 V DC Calibration signal N C Power supply grounding 0 V DC TTL speed signal with speed measurement option Power supply 24 V DC 10 for 5W conditioner N C N C RON Figure 2 20 Conditioner Connector Pin Configuration 2 5 3 2 Signal Cables Magtrol offers two cable options for connecting the TF Torque Flange Sensor to a signal processor display unit sold separately Cable Connectors Model On Conditioner Side On Display Side ER 116 9 pin D sub connector 14 pin Centronics connector ER 117 9 pin D sub connector non
10. 213 219 00 0 00 2 2 4 5 Attaching the Mounting Flange to the Measuring Flange Coupling Assembly Figure 2 15 Mounting Flange to Measuring Flange Coupling Assembly eS Note When using a cardan shaft Magtrol recommends the latest generation of GKN series 687 cardan shafts with limited weight Do not use the over weighted old cardan shafts Proper mounting position of the cardan shaft is neccessary to ensure proper balancing Standard applications using a cardan shaft should not exceed 1500 2000 rpm depending on size and deflection angle 22 Magtrol TF Series Torque Flange Sensors Chapter 2 Installation Configuration 2 3 HF TRANSMITTER MOUNTING Mount the HF transmitter according to the following specifications e The HF transmitter must be perfectly centered laterally with the rotor antenna and also aligned with the measuring flange axis e gap of 2 mm for TF 209 to TF 217 Sensors and 3 mm for TF 218 to TF 220 Sensors must be maintained between the HF transmitter and rotor antenna in order to guarantee the best possible signal transmission e HF transmitter must be mounted onto a support which can be easily adjusted both horizontally and vertically To prevent any disturbance of the transmitted signal the support must be at least 10 mm away from the HF transmitter rim see Figure 2 16 HF Transmitter Installation The support must also be stable in order to p
11. WHETHER IN CONTRACT TORT OR OTHERWISE CLAIMS Immediately upon arrival purchaser shall check the packing container against the enclosed packing list and shall within thirty 30 days of arrival give Magtrol notice of shortages or any nonconformity with the terms of the order If purchaser fails to give notice the delivery shall be deemed to conform with the terms of the order The purchaser assumes all risk of loss or damage to products upon delivery by Magtrol to the carrier If a product is damaged in transit PURCHASER MUST FILE ALL CLAIMS FOR DAMAGE WITH THE CARRIER to obtain compensation Upon request by purchaser Magtrol will submit an estimate of the cost to repair shipment damage 46 Service Information RETURNING MAGTROL EQUIPMENT FOR REPAIR AND OR CALIBRATION Before returning equipment to Magtrol for repair and or calibration please visit Magtrol s Web site at http www magtrol com support rma htm to begin the Return Material Authorization RMA process Depending on where the equipment is located and which unit s will be returned you will be directed to either ship your equipment back to Magtrol Inc in the United States or Magtrol SA in Switzerland Returning Equipment to Magtrol Inc United States When returning equipment to Magtrol Inc s factory in the United States for repair and or calibration a completed Return Material Authorization RMA form is required 1 Visit Magtrol s Web site at h
12. collects the torque signal measured by the system To display measured values the conditioner must be connected to a Magtrol 3410 Torque Display see Section 1 1 6 Signal Processor Display Unit or similar device TF Model Power Mounting TF 209 TF 217 1 5W Mounted on heatsink for heat dissipation TF 218 TF 220 5W Mounted inside electronics module Figure 1 2 Conditioner for TF 209 TF 217 Torque Flange Sensors 5 W Conditioner Figure 1 3 Electronics Module for TF 218 TF 220 Torque Flange Sensors 1 1 4 CoaxiaL CABLE The shielded RG 58 coaxial cable between the HF transmitter and the conditioner has an impedance of 50 Ohms and is 4 meters long 8 m 12 m 16 m and 20 m cables are available as an option Magtrol TF Series Torque Flange Sensors Chapter 1 Introduction 1 1 5 SPEED MEASUREMENT OPTION When ordered with the optional speed measurement capability the TF Torque Sensor is fitted with a toothed rim with the speed sensor attached to the exterior as shown in the figure below Speed Sensor TF Measuring Flange fitted with toothed rim Connection Cable Speed Conditioner Figure 1 4 Mounted TF Torque Flange Sensor with Speed Measurement Option 1 1 6 SIGNAL Processor Dispcay UNIT Available as a system option Magtrol s 3410 Torque Display processes the torque and speed signals from the TF Sensor and displays the measured values and calculated power For addit
13. eet E DOE ER TRE RR EUR ERES ERO EI TO M LAORE ER ETERNI TABLE OF CONTENTS ta IV TABLE OF FIGURES 15 n Ro erre Po HERI Ge decease dues antes REY ERREUR esee eet e ee Ee E Wh eS PvE Rev VI PREFACE ueni nose tatu ec i d A ee gan Vil PURPOSE OFFHIS MANJUAL ient te rt e Er e rnt re rere e pene UR CUR ER ERREUR RE VII WHO SHOULD USE THIS MANUAL 3 ertet eee eet ehe EH ee Roe Nee aas VII MANUAL ORGANIZATION eei udev out Cem i e E e eite ie Pe eb leven the ve oae ead VII T INTRODUCTION Inu tus 1 1d SYSTEM COMPONBEN UCES stessi eher La ERE ee e a REESE eat 1 MEASURING FLANGE te RERO RENI e e cae ENTER REN RENE E Pete Ed 1 7252 CHESTRANSMLELTER ih te tee eee ER ER SER Pre Er ea co Ea Eve ree tee de eue 1 LES CONDILIONER eg rrr E RE 2 11 45 COAXTAL CABLE unen eret a ta beatae 2 1 15 SPEED MEASUREMENT OPTION icit esee eee eee 3 1 1 6 SIGNAL PROCESSOR DISPLAY UNIT ettet etn eet rne innen teste ene d 3 1 2 DATA SEHBBT ioo REPRE nea HERREN QR ERR UTE ENG AROUND IER a do ve edi 4 2 INSTALLATION CONFIGURATION ssssssscsssssssssssssssssessesssssssesssssssusesseesssssecsssssunseeesssssnsceseesessnes 15 2 TL INI
14. 00 70 2 05 x 10 0 056 TF 213 500 200 0 1 13 000 91 7 16 x 10 0 040 TF 214 1 000 200 0 1 13 000 91 9 55 x 10 0 060 TF 215 2 000 200 0 1 10 000 113 2 86 x 106 0 040 TF 216 5 000 20096 0 196 8 000 133 7 16 x 108 0 040 TF 217 10 000 t 150 0 1 8 000 133 1 25 x 107 0 046 TF 218 20 000 200 0 20 0 25 3 000 283 2 86 x 107 0 040 TF 219 50 000 t 180 0 20 0 25 3 000 283 6 82 x 107 0 042 TF 220 100 000 t 180 0 25 0 30 3 000 270 3 37 x 108 0 017 Available upon request Moment of Inertia Torque up to 150 000 N m Model Weight rque up k kom High speed versions 9 9 3 3 Linearity hysterese error 0 0596 on request TF 210 2 1 2 996 x 2 211 x cs Inductive speed detection available on request TF 211 2 2 3 172 x 10 2 341 x 10 Add 0 8 kg to 2 8 kg to weight _ TF 212 2 2 3 138 x 10 2 316 x 103 depending on configuration REN E TF 213 3 3 7 803x103 5 758 x10 for electronic devices N TF 214 3 3 7 818 x 103 5 769 x 103 attached to the sensor transmitter receiver T TF 215 5 2 1 868 x 102 1 378 dis speed conditioner TF 216 9 3 4 747 x 10 3 503 x 10 t Dynamic torque peak 217 9 3 4706x10 3 472 102 values for Models TF 218 42 7 9 635 101 7 109 x 10 1 5 4 1 4 are due to force TF 219 43 3 9 724 x 107 ua transmission limit of TF 220 36 0 1 070 x 10 7 895 x 10 mounting screws 0 Moment of Inertia X axis 072 RATINGS COMM
15. 2 LED INDICATORS reete RU EIU C REF I ER REPERI ERSTE 39 6 3 TROUBLESHOOTING rn 3 22er rnt hte o eee t ed re t ted Reda ene 39 6 3 1 OUTPUT SIGNAL REMAINS BETWEEN 10 V AND 12 eene 40 6 3 2 NO OUTPUT SIGNAL NO REACTION rrt tret ten 41 6 3 3 SIGNAL AT 4 OF ITS NOMINAL VALUE WHEN UNLOADED eere 42 634 UNSTABLE SIGNAL erret tete eee bete i e t cue ip HET vert ES A AREE ETT dog 43 6 3 5 0 OFFSET WITH NORMAL SIGNAL netten nnne nennen 44 6 4 REPAIR 9 ap gau e E p e c ree 45 6 4 1 DEFECT REPORT eoi esee nhe metet ded 45 6 4 2 RETURNING TO MAGTROL teet ie Ueber tret to REIR Ene 45 MAGTBROL LIMITED WARRANTY incisa iic en d ein e Dern RE dor ki ibn do cna o c nes 46 CLAIMS intret ioi esetpsme cep dau tei maU tts 46 SERVICE INFORMATION iiio dicet ca cita acd es cvv e Pap eu Ure elisa diua aei fenum GA EU ESI d ca cuin X Eu i aa 47 RETURNING MAGTROL EQUIPMENT FOR REPAIR AND OR CALIBRATION eene 47 RETURNING EQUIPMENT TO MAGTROL INC UNITED STATES eerte 47 RETURNING EQUIPMENT TO MAGTROL SA 5 47 Table of Contents Magftrol TF Series Torque Flange Sensors TABLE OF FIGURES 1 INTRODUCTION
16. ATOR OR THIRD PARTY MAY BEAT RISK THE READER MUST ABSOLUTELY TAKE NOTE OF THE ACCOMPANYING TEXT AN D ACT UPON IT BEFORE PROCEEDING FURTHER WARNING THIS INTRODUCES DIRECTIVES PROCEDURES viii 1 Introduction 1 1 SYSTEM COMPONENTS The complete TF Series torque measuring system consists of the following four primary components 1 Measuring Flange with Signal Amplifier 2 HF Transmitter 3 Conditioner 4 Coaxial Cable 4 m HF Transmitter Measuring Flange Conditioner mounted on heatsink Coaxial Cable Figure 1 1 TF Series Torque Flange Sensor Kit System options include the Speed Sensor and Conditioner and the 3410 Display 1 1 1 MEASURING FLANGE The measuring flange represents the rotor part of the torque sensor It is made of steel and contains 4 strain gauges in full bridge configuration an amplifier a low pass filter and an A D converter It is fitted with an electromagnetic track around its circumference which acts as an antenna for sending telemetric transmissions to the HF transmitter and ultimately the conditioner 1 1 2 HF TRANSMITTER The high frequency transmitter represents the stator part of the transducer This transmitter receives the signal from the measuring flange and relays it to the conditioner Chapter 1 Introduction Magtrol TF Series Torque Flange Sensors 1 1 3 CONDITIONER The torque conditioner supplies power to the measuring flange via the HF transmitter and
17. Calibration mode Disable calibration mode Disabling possible Possible causes Measuring flange Conditioner Possible causes Wiring between the conditioner and the display unit Display unit Conditioner 42 Magtrol TF Series Torque Flange Sensors Chapter 6 Troubleshooting Maintenance 6 3 4 UNSTABLE SIGNAL Unstable signal Check LEDs on conditioner Possible causes Conditioner power supply Conditioner Yellow LED power supply on illuminated Possible causes Measuring flange Conditioner Green LED synchro illuminated Possible causes Rotor antenna not correctly positioned distance or alignment with the rotor Measuring flange HF transmitter Conditioner 43 Chopter 6 Troubleshooting Maintenance Magtrol TF Series Torque Flange Sensors 6 3 5 0 OFFSET WITH NorRMAL SIGNAL 0 Offset signal reacts normally Check if conditioner and measuring flange are compatible see S N Completely unload the measuring flange Adjust the 0 on the conditioner Possible causes Loaded measuring flange Adjustable 0 Measuring flange Conditioner 887 Note If you require additional assistance please contact Magtrol Customer Service 44 Magtrol TF Series Torque Flange Sensors Chapter 6 Troubleshooting Maintenance 6 4 R
18. EPAIR In case of a defect please refer to both the Warranty and Service Information located in the back of this manual CAUTION MAINTENANCE MUST BE PERFORMED BY MAGTROL IN ORDER TO GUARANTEE FUTURE MEASURING ACCURACY 6 4 1 REPORT To allow Magtrol to complete the work in the best possible time it is imperative that the following information be documented and included with your return shipment e Model number part number P N serial number S N order number and date of purchase e Description of the defect and the conditions in which it appeared e Description of the test bench drawing photographs sketches etc e Description of the tested object drawing photographs sketches etc e Description of the test cycle 6 4 2 RETURNING MAGTROL 1 Carefully pack the complete TF Torque Flange Sensor kit including HF transmitter conditioner and cable Include the defect report as described in Section 6 4 1 3 Follow the procedure outlined in the back of this manual under Service Information Returning Equipment to Magtrol SA Switzerland 45 Magtrol Limited Warranty Magtrol Inc warrants its products to be free from defects in material and workmanship under normal use and service for a period of twenty four 24 months from the date of shipment Software is warranted to operate in accordance with its programmed instructions on appropriate Magtrol instruments This warranty extends only
19. LICATIONS TF Torque Flange Sensors measure both static and dynamic torque on stationary and rotating shafts They are used ir general combustion engine electric motor and gearbox tes benches and can also be mounted inline for active torque monitoring of transmissions powertrains wind generators gas turbines boat engines etc Magtrol TF Series Torque Flange Sensors Chapter 1 Introduction Diagrams TF BLOCK DIAGRAM HF TRANSMITTER nem 4 m Coaxial Cable MM RG 58 50 Ohms CONDITIONER Torque x5VDC Speed sensor Z pulses revolution amplifier Power supply 24VDC 10 350 Rotational Speed Rotational speed TTL SPEED CONDITIONER Option Strain Gauge Bridge for torque measurement Torque sensor SYSTEM CONFIGURATION Brake HF Transmitter TF Torque Flange Sensor Motor under test P 2 Model 3410 Torque display Conditioner Chapter 1 Introduction Magtrol TF Series Torque Flange Sensors Specifications MODEL RATINGS TF Rated Overload Maximum Number of Torsional Deformation Model Torque Capacity a Speed Teeth Stiffness Angle N m of R T rpm Z N m rad i TF 210 50 200 0 1 17 000 70 7 16 x 104 0 040 TF 211 100 200 0 1 17 000 70 1 25 x 10 0 046 TF 212 200 200 0 1 17 0
20. MAGTROL TF Series Torque Flange Sensors User s Manual Purchase Record Please record all model numbers and serial numbers of your Magtrol equipment along with the general purchase information The model number and serial number can be found on either a silver identification plate or white label affixed to each unit Refer to these numbers whenever you communicate with a Magtrol representative about this equipment Model Number Serial Number Purchase Date Purchased From While every precaution has been exercised in the compilation of this document to ensure the accuracy of its contents Magtrol assumes no responsibility for errors or omissions Additionally no liability is assumed for any damages that may result from the use of the information contained within this publication COPYRIGHT Copyright 2009 Magtrol Inc All rights reserved Copying or reproduction of all or any part of the contents of this manual without the express permission of Magtrol is strictly prohibited Second English Edition revision F July 2011 MASTROL Safety Precautions WARNING IN ORDER TO MINIMIZE RISKS IT IS OF UTMOST IMPORTANCE TO RESPECT THE CURRENT SAFETY STANDARDS WHEN PLANNING CONFIGURING AND OPERATING THE TORQUE MEASUREMENT DRIVE TRAIN CAUTION OPERATE THE TF SERIES TORQUE FLANGE SENSOR WITH GREAT CAUTION THE SENSOR MAY BE IRREVERSIBLY DAMAGED IF IMPACTED MECHANICALLY
21. N Provides the information needed for the setup and connection of the Torque Flange Sensors Chapter 3 STARTUP Give the instructions to start the system and adjust the zero of the measuring chain Chapter 4 MEASUREMENT CONSIDERATIONS Describes the limits of measures Chapter 5 OPERATING PRINCIPLES Contains information on lubrication procedures and provides recommendations for the calibration and checking of the measuring current and voltage Chapter 6 TROUBLESHOOTING MAINTENANCE Give the procedure to follow in case of breakdown of a Torque Flange Sensors TF vii Preface Magtrol TF Series Torque Flange Sensors CONVENTIONS USED IN THIS MANUAL The following symbols and type styles may be used in this manual to highlight certain parts of the text n Note This is intended to draw the operator s attention to complementary information or advice relating to the subject being treated It introduces information enabling the correct and optimal function of the product CAUTION THIS IS USED TO DRAW THE OPERATOR S ATTENTION TO INFORMATION DIRECTIVES PROCEDURES ETC WHICH IF IGNORED MAY RESULT IN DAMAGE TO THE MATERIAL BEING USED THE ASSOCIATED TEXT DESCRIBES THE NECESSARY PRECAUTIONS TO TAKE AND THE CONSEQUENCES THAT MAY ARISE IF THESE PRECAUTIONS ARE IGNORED PRECAUTIONARY MEASURES ETC WHICH MUST BE EXECUTED OR FOLLOWED WITH THE UTMOST CARE AND ATTENTION OTHERWISE THE PERSONAL SAFETY OF THE OPER
22. ON TO TF SENSORS TORQUE MEASUREMENT Number of Teeth Maximum Dynamic Torque Without Damage Overload Limit SPEED MEASUREMENT option 400 of Rated Torque Depending on the size Refer to Z under Model Ratings Speed Pick up Transducer Magnetoresistive Minimum Speed Detection Rated Temperature Range ENVIRONMENT 0 5 rpm 10 C to 85 C Storage Temperature Range 25 C to 85 C Extended Temperature Range option 30 C to 125 C Temperature Influence on Zero 0 01 C Protection Class Power Supply INPUT AND OUTPUT SIGNALS IP 42 optional IP 54 TF 209 TF 217 24 VDC 10 350 mA TF 218 TF 220 100 240 VAC Torque Output Signal rated max 5 VDC 10 VDC Passband Frequency 0 to 1 kHz 3 dB Speed Output option TTL pulses per revolution corresponds with number of teeth 6 Magtrol TF Series Torque Flange Sensors Chopter 1 Introduction Sensor Dimensions aE TF 210 TO TF 212 50 30 20 20245 DEM a Transmitter HF a gap 2mm Rotor antenna i RI Air gap 1 5 mm M12x1 aa zd af 105 Speed sensor 1 115 213 214
23. Output signal at 10 V to 12 V Check LEDs on conditioner Possible causes NO Conditioner power supply Conditioner Yellow LED power supply illuminated Possible causes Conditioner Measuring flange Green LED synchro illuminated Check HF transmitter LED Possible causes Rotor antenna not correctly positioned distance or alignment with the rotor Measuring flange HF transmitter Conditioner Possible causes HF transmitter Conditioner Cable LED illuminated 40 Magtrol TF Series Torque Flange Sensors Chopter 6 Troubleshooting Maintenance 6 3 2 No OurPur SicNAL No REACTION Possible causes Conditioner power supply Conditioner Possible cause Conditioner No output signal no reaction Check LEDs on conditioner Yellow LED power supply illuminated Possible causes Measuring flange Conditioner Green LED synchro illuminated 41 Chapter 6 Troubleshooting Maintenance Magtrol TF Series Torque Flange Sensors 6 3 3 SIGNAL 34 or ITS VALUE WHEN UNLOADED Signal is at 34 of its nominal value calibration value 3 when the measuring flange is unloaded The signal varies according to the load Check if system is in calibration mode
24. Software include peak torque capture multi axes graphing measured parameter vs time adjustable sampling rates and polynomial curve fitting For the TF 210 TF 219 Torque Flange Sensors Magtrol offers double element high speed couplings to provide compensation for axial angular and radial misalignments Engaged by friction they are torsionally stiff and minimize reaction forces BSD 9200 Series couplings are wear and maintenance free and feature a compact design TF Torque Sensor BSD Moduflex amp 9200 Couping TF 210 to TF 211 BSD 9200 2 8 200 TF 212 BSD 9200 4 5 200 TF 213 and TF 214 BSD 9200 17 200 TF 215 BSD 9200 28 200 TF 216 BSD 9200 64 200 TF 217 BSD 9200 110 200 TF 218 and TF 219 BSD 9200 640 200 Due to the continual development of our products we reserve the right to modify specifications without forewarning 14 2 Installation Configuration CAUTION BEFORE COMPLETING THE ASSEMBLY AND MOUNTING IT IS ADVISED TO FIRST POWER UP THE SYSTEM SEE SECTION 3 1 IN ORDER TO CHECK THE SIGNAL TRANSMISSION rotor antenna mounting flange coupling HF Transmitter TF Measuring Flange Coaxial Cable Conditioner Figure 2 1 Installation Overview 2 1 INITIAL CLEANING Prior to installing the TF Series Torque Flange Sensor all contact surfaces including the measuring flange coupling element and mounting flange must be carefully cleaned and de
25. TIATE CEBANTNOG C iiri ent ene teret E hU E DA cos Re Eee Grupo ted ede baie shaun Ne gene eye enS 15 2 2 MEASURING FLANGE MOUNTING cccssccsscsssncerscvenscesesesesececnseonscsontcensesenessnsessntecsassnsecnecscancensesenesensasennes 16 22 1 ALIGNMENT i ct RR E IER tains E anata OR 16 2 22 COUPLING SBLBCTION ete IA es e E e a ee ele 16 2 23 MOUNTING CONSIDERATIONS tnnt nnne 18 224 MOUNTING PROCEDUJURE eite o tor eer ie eee Pete ERO I tees Yen eee cape te 20 2 3 HE TRANSMITTER MOUNTING 45 irt irre erit en e eee Ea Pes ene 23 2 4 SPBEDSENSOR MOUNTNQG 2 rotor e sana een Se ee eS EIS S Se Ee 23 2 4 1 STANDARD SENSORS irre Eee e er cs sagen IUE REX ben XE REIN PERS dave eu caus EORR E 24 242 HIGH TEMPERATURE SENSORS heisen uee e a e apee a a eA A E E a EREE 24 2 5 ELECTRICAL CONNECTIONS a aE rto HR A E E 25 2 5 1 CONNECTING THE HF TRANSMITTER TO THE CONDITIONER eren 25 2 5 2 CONNECTING THE OPTIONAL SPEED SENSOR TO THE SPEED CONDITIONER 25 2 5 5 CONNECTING THE CONDITIONER TO A SIGNAL PROCESSOR DISPLAY UNIT 26 2 0 BROTEGTIVE SYSTEMS ire RR E SERE REESE 27 S STARTUBS S e
26. UNTING THE SENSOR Figure 6 1 Improper Dismounting 38 Magtrol TF Series Torque Flange Sensors Chopter 6 Troubleshooting Maintenance 6 2 LED INDICATORS LED Color If NOT illuminated Recommendation Check conditioner power supply TF 210 TF 217 24VDC stabilized Power supply problem 350 mA min TF 218 TF 220 220 The conditioner is defect Return conditioner to Magtrol HF transmitter power supply Check conditioner power supply Red problem HF transmitter connectors and cable HF transmitter is defect Return HF transmitter to Magtrol TE Check HF transmitter see Section 2 3 HF Signal transmission problem Transmitter Mounting reen Return entire torque flange sensor with its Measunng Tange is detect conditioner and HF transmitter to Magtrol 6 3 TROUBLESHOOTING The following problems may occur with TF Series Torque Flange Sensors 1 Output signal remains between 10 V and 12 V 2 Nooutput signal no reaction 3 Signal is at 4 of its nominal value calibration value when the measuring flange is unloaded or the signal varies according to the load Unstable signal 5 0 offset signal behaves normally The possible causes of these problems are shown in the following flowcharts 39 Chapter 6 Troubleshooting Maintenance Magtrol TF Series Torque Flange Sensors 6 3 1 Output SIGNAL Remains BETWEEN 10 V AND 12 V 1 l
27. al stiffness values Cj are indicated in the data sheet in Section 1 2 Both moments of inertia J and are generated by the two deformation areas and can be calculated by adding the moment of inertia of each individual element The moment of inertia of the flange is also indicated in the data sheet Consult with the suppliers of the couplings driving element s and driven element s in order to obtain details on moment of inertia of the other drive train components The natural torsional frequency f determines the response of the torque measuring system and helps to determine whether rapid variations may influence the measuring system or whether the torque is amplified or damped by the drive train dynamics The transfer curve is shown in Figure 4 2 for various quality factor values Q depending on the torsional system damping factor The graph charts the factor by which the torque will be amplified depending on the frequency of the torsional oscillations Ao 22 20 18 16 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 Figure 4 2 Drive Train Transfer Curve 32 Magtrol TF Series Torque Flange Sensors Chapter 4 Measurement Considerations Example Let us assume a natural frequency f of 1000 Hz and a quality factor Q 10 A dynamic torque around 900 Hz close to the natural frequency would be read by the TF torque flange sensor and amplified by a factor of approximately 6 It is important to note that this amp
28. ange Sensors eere 36 Figure 5 2 Signal Transmission Block Diagram eese tentent nennen 36 6 TROUBLESHOOTING MAINTENANCE Fig re 6 1 Improper Dismounting ee REESE ak oe re E ERE RETRO SES 38 vi Preface PURPOSE OF THIS MANUAL This manual contains all the information required for the setup connection and general use of Magtrol s Torque Flange Sensors of TF200 series Please read this manual in its entirety before operating Keep the manual in a safe place for quick reference whenever a question should arise WHO SHOULD USE THIS MANUAL This manual is intended for those who install Torque Flange Sensors on a bench test or to use it to determine the couple on a transmission chain The operator is assumed to have the necessary technical training in mechanical engineering and electronics to enable him to install these Torque Flange Sensors MANUAL ORGANIZATION This section gives an overview of the structure of the manual and the information contained within it Some information has been deliberately repeated in different sections of the document to minimize cross referencing and to facilitate understanding through reiteration The structure of the manual is as follows Chapter 1 INTRODUCTION Contains the technical data sheets for the Torque Flange Sensors of TF200 series which describe the units and provide an overview of their possible applications Chapter 2 INSTALLATION CONFIGURATIO
29. cient Coefficient 0 10 0 14 209 TF 210 M6 8 8 9 0 11 3 TF 211 TF 212 M6 10 9 13 2 16 5 TF 213 214 M10 10 9 63 79 TF 215 M12 10 9 108 137 TF 216 M14 12 9 201 255 TF 217 M16 12 9 309 395 TF 218 TF 219 M30 10 9 1775 2274 TF 220 M30 10 9 1775 2274 The mounting screws must be tightened in the following order TF 209 TF 219 Figure 2 9 Screw Tightening Order Note When faced with alternating loads secure the screws in their threads with thread locker in order to avoid any loss of preload Be sure to prevent the thread locker from spilling over 20 Magtrol TF Series Torque Flange Sensors Chapter 2 Installation Configuration 2 2 4 2 Attaching the Mounting Flange to the Measuring Flange Screw the measuring flange onto the mounting flange firmly attaching it to the driving shaft as shown in the figures below Figure 2 11 Flange Mounting of TF 215 to TF 219 Sensors 2 2 4 3 Attaching the Coupling to the Measuring Flange Mounting Flange Assembly Screw the single or double element coupling or cardan shaft onto the measuring flange Figure 2 12 Coupling Mounting to Measuring Flange Mounting Flange Assembly 21 Chopter 2 Installation Configuration Magtrol TF Series Torque Flange Sensors 2 2 4 4 Attaching the Coupling to the Measuring Flange a Figure 2 14 Coupling Mounting to Measuring Flange TF
30. e only pigtail wires Torque O P 0 5V wh TS M EA OV sic gen wv EH red T E E OV blu bi E N e o E E BITE chi i blik 9 1 acho TILO P yel 4 9y 1 j L 7 Shield yel ad Figure 2 21 ER 116 Cable Configuration 26 Magtrol TF Series Torque Flange Sensors Chapter 2 Installation Configuration 2 6 gy 2 yel E E b Ua red e OV AL blu A Torque O P 0 5V wh OV sig grn an E i brn Torque blk i e Shield yel blk Figure 2 22 ER 117 Cable Configuration PROTECTIVE SYSTEMS 2 WARNING ALL ROTATING PARTS MUST BE FITTED WITH A PROTECTIVE SYSTEM TO ENSURE THAT THE USER AS WELL AS ALL OTHER SURROUNDING PEOPLE AND OBJECTS WILL NOT BE INJURED OR DAMAGED AS A RESULT OF THE DRIVE ELEMENT BECOMING BLOCKED A TORQUE OVERLOAD OR ANY OTHER POTENTIAL PROBLEM The following precautions concerning protective equipment of the drive train must be observed Protective elements must prevent access to moving parts during test Protective elements must cover all
31. e TF Sensor 2 Adjust the torque output signal by means of the Offset potentiometer placed inside the conditioner in order to obtain a zero value for the torque 0 0 000 V ZERO Calibration Screw Figure 3 3 Zero Calibration of 1 5 W Conditioner TF 209 to TF 217 Sensors ZERO Calibration Screw Conditioner Figure 3 4 Zero Calibration 5 W Conditioner TF 218 to TF 220 Sensors CAUTION NEVER TOUCH THE GAIN ADJUSTMENT SCREW T IS ONLY USED AFTER A CONDITIONER REPLACEMENT OR REPAIR 30 4 Measurement Considerations 4 1 4 2 CAUTION WHEN PERFORMING STATIC MEASUREMENTS IT IS POSSIBLE TO GO BEYOND NOMINAL TORQUE AND TOWARD THE TORQUE LIMIT WHICH CAUSES PLASTIC DEFORMATION WHEN EXCEEDING THE NOMINAL TORQUE ANY EXTRANEOUS LOADS SUCH AS AXIAL SHEARING AND BENDING FORCES MUST BE AVOIDED DYNAMIC TORQUE Static and dynamic measurements differ from one another by the evolution of torque over time A constant torque produces static measurements whereas varying torques can only be determined by dynamic measurement TF Torque Flange Sensors have been designed to measure both static and dynamic torque DETERMINING THE NATURAL FREQUENCY OF A DRIVE TRAIN CAUTION CRITICAL ROTATIONAL SPEEDS AS WELL AS NATURAL FREQUENCIES HAVE TO BE TAKEN INTO CONSIDERATION IN ORDER TO AVOID RESONANCES AND POSSIBLE OVERLOADING OF THE TF TORQUE FLANGE SENSOR In order to determine the dynamic torque and frequency respon
32. easurement Safety is of equal importance There are possible residual hazards when operating rotating test equipment and it is the responsibility of the designer the manufacturer and the user to minimize these hazards In addition to general safety precautions residual hazards are highlighted in this manual by using the following symbols Please read the Preface for a more detailed description of each symbol PROPER USE The use of TF Series Torque Flange Sensors is exclusively restricted to torque and rotational speed measuring tasks and directly related control and regulating tasks Any further use shall be deemed to be improper For safe operation the TF Sensor and its accessories may only be used according to the data and specifications given in this User s Manual Safe operation can be guaranteed only when the sensor is correctly transported stored installed mounted and used MODIFICATIONS The TF Torque Flange Sensor and its accessories may not be modified without the express consent of Magtrol Magtrol is not be liable for any consequential damages resulting from unauthorized modifications Revisions to This Manual The contents of this manual are subject to change without prior notice Should revisions be necessary updates to all Magtrol User s Manuals can be found at Magtrol s website at www magtrol com support manuals htm Please compare the date of this manual with the revision date on the website and then
33. ensor Figure 2 18 High temperature Speed Sensor Installation 24 Magtrol TF Series Torque Flange Sensors Chapter 2 Installation Configuration 2 5 ELECTRICAL CONNECTIONS Having installed the measuring flange and HF transmitter only two electrical cables three with speed measurement option need to be connected for the system to be operational Speed Sensor Connection Cable Coaxial Cable connects to HF Torque Conditioner transmitter Speed Conditioner optional 9 pin Connector use ER 116 or ER 117 signal cable to connect to signal processor A TTG display unit A4 FI Figure 2 19 Conditioner Connections Avoid running the ER 116 117 signal cable coaxial cable and speed sensor connection cable through an environment which may be perturbed by electromagnetic fields These cables should also not be run close to transformers electric motors or motor drives If running these TF Torque Flange Sensor cables through such environments cannot be avoided a minimum distance of 2 feet from potentially perturbing components should be respected Ideally these cables should be housed in steel conduit and connected to earth ground to protect them as much as possible from electromagnetic perturbations 2 5 1 THE HF TRANSMITTER TO THE CONDITIONER CAUTION NEVER SHORTEN THE COAXIAL CABLE THE SYSTEM HAS BEEN TUNED IN ORDER TO OPTIMIZE THE HF TRANSMISSION USING THE COAXIAL CABLE S
34. f the measuring flange is the same When mounted between a warm and a cold element the TF Sensor displays variations of measuring accuracy Mounting the TF Sensor in an environment with a thermal gradient between the flange faces must be avoided 35 5 Operating Principles 5 1 5 2 TELEMETRY PRINCIPLE Signal transmission between static and rotating components has always been plagued with technical problems Magtrol s TF Series Torque Flange Sensors provide an interesting solution by using telemetry for signal transmission AMPLIFIER IDEA O Amplified Signal SENSOR TELEMTRY Coupling SOLUTION icd OAmplified Signal Electronic Electronic circuitry on circuitry on the rotor the stator Rotating Measuring Unit Figure 5 1 Telemetry Principle Applied to TF Torque Flange Sensors SIGNAL TRANSMISSION Energy Data 4 amp Data Measuring Signal Amplifier Conditioner measurement amp power 24V DC 16 bit 16 bit Modulator Modulator gt D A Output Signal Converte iDemodulator Demodulator Converter g T OUT orque Low pass 1 0 to 5 VDC Sensor Filter Generator Signal Processing Transmission TTL Output Unit Connections Speed Sensor Figure 5 2 Signal Transmission Block Diagram 36 Magftrol TF Series Torque Flange Senso
35. greased This will guarantee optimal transmission of the measured torque signal Use a soft cloth lightly dampened with alcohol to avoid any abrasion Be careful to prevent any alcohol from entering the flange or coming in contact with the rotor antenna during cleaning CAUTION AVOID ANY USE OF OVERLY AGGRESSIVE SOLVENTS THESE CAN DAMAGE THE ROTOR ANTENNA WHILE CLEANING IF NECESSARY ACETONE MAY BE USED INSTEAD OF ALCOHOL TO REMOVE ENCRUSTED DEPOSITS It is advised to clean all flange and coupling contact surfaces each time the drive train is reconfigured 15 Chapter 2 Installation Configuration Magtrol TF Series Torque Flange Sensors 2 2 2 2 1 2 2 2 MEASURING FLANGE MOUNTING ALIGNMENT The TF Series Torque Flange Sensors are easy to install by design However it is important to achieve the best possible alignment of the various components of the measurement drive train Angular and radial misalignments as illustrated below must be avoided ANGULAR _ e RADIAL MISALIGNMENT D RIEN Figure 2 2 Angular and Radial Misalignment The admissible angular and radial misalignment is 0 3 and 0 04 mm respectively By using proper couplings modest misalignments can be compensated COUPLING SELECTION To avoid excessive extraneous loads do not couple the driving elements directly to the driven part of the measuring chain by means of the measuring flange A coupling is necessary
36. ional data processing the unit has an RS 232 interface cable sold separately for connection to a PC and is delivered with Magtrol s Torque 1 0 Software Torque 1 0 is a user friendly Windows executable program developed under LabVIEW used to automatically collect torque speed and mechanical power data The data can be printed displayed graphically or quickly saved as a Microsoft Excel spreadsheet Figure 1 5 Model 3410 Torque Display Chapter 1 Introduction Magtrol TF Series Torque Flange Sensors 1 2 DATA SHEET TF Series Torque Flange Sensor FEATURES e Complete torque measuring system consisting of Measuring flange with signal amplifier HF transmitter Conditioner 4mcoaxial cable e Contactless signal transmission via telemetry e Torque range 50 N m to 150 000 N m e High accuracy 0 1 to 0 25 e Overload capacity up to 200 limit of adhesion Measuring range 20096 e Braking torque 400 Compact easy to mount design e M High torsional stiffness e Bearingless maintenance and wear free e Excellent noise immunity and shock resistance Protection class IP 42 IP 54 optional e 24 VDC standard power supply Integrated speed sensor and conditioner option for rotational speed measurement e M High temperature capability up to 125 C optional DESCRIPTION With its compact bearingless maintenance free design the new TF Torque Flange Sensor from Magtrol bri
37. ivered with TF Torque Flange Sensors ordered with both the speed measurement and extended temperature range options High temperature Speed Sensor 11 Chapter 1 Introduction Magtrol TF Series Torque Flange Sensors Conditioner Dimensions TF TF 210 TO TF 217 STANDARD 95 ow TU m T 83 4 1 m 1 e i P E 2 CONDITIONER Ni amp 25 2 T00 0X1 i r3 nes E 1 ER p oP 4 Ow Heatsink 7s e o Conditioner standard version 1 5 W mounted on heatsink for heat dissipation TF 210 TO TF 217 WITH SPEED OPTION ite QN o s A op 83 78 5 0 47 9 8 8 Q A Torque Conditioner Speed Conditioner Heatsink Conditioner speed version 1 5 W mounted on heatsink for heat dissipation 12 Magtrol TF Series Torque Flange Sensors Chapter 1 Introduction Conditioner Dimensions TF 218 TF 219 AND TF 220 Ay 160 S 135 d e 25 e oo 350 360 4x 11 4x 26 6
38. lification is not electrical but mechanical The risk of overloading the TF Sensor is therefore real 8 Note In practice the system will be configured and used so as never to get close to the natural frequency of the measuring chain The Q value must if possible be 1 For this reason the drive train torsional oscillation frequency must be below 0 5 f 4 3 MAXIMUM DYNAMIC AMPLITUDE The dynamic peak to peak amplitude must not exceed 400 of the nominal torque of the TF Torque Flange Sensor This is even true with alternating loads This amplitude must remain within 200 Mina and 200 Mina as shown in the graph below 200 M cingi 400 Mhominal Dynamic Amplitude 200 Figure 4 3 Admissible Dynamic Load 33 Chapter 4 Measurement Considerations Magtrol TF Series Torque Flange Sensors 4 4 4 5 PARASITIC FORCES CAUTION NEVER EXCEED ADMISSIBLE LIMITS OF TORSIONAL MOMENTUM AXIAL OR RADIAL FORCES THE PARASITIC FORCES ARE TO BE AVOIDED AT MOST If the TF Torque Flange Sensor is improperly installed parasitic forces can act in both radial and axial directions on the sensor Radial forces generate torsional momentum on the TF Sensor which alters its center of gravity The resulting imbalance will periodically load the TF sensor proportional to the rotational speed The influence of this load increases with rotational speed Axial or radial forces misalignment or unbalance will dist
39. nd e Noticed failures 4 A cost estimate for repair will be sent to you as soon as the goods have been analyzed If the repair charges do not exceed 25 the price of a new unit the repair or calibration will be completed without requiring prior customer authorization 47
40. ngs many appealing advantages to torque measurement applications The TF s high torsional rigidity supports direct mounting on the machine shaft or flange avoiding the use of couplings on one side This allows easy integration into a test system shortens the overall length of the test bench and reduces costs Based on strain gauge technology the TF Sensor s precise telemetry system enables highly accurate signal transmission A signal amplifier mounted in the measuring flange amplifies the measuring signal modulates it to high frequency and transmits it inductively via the HF transmitter to the conditioner In the conditioner the digitized torque signal is transformed into an analog output signal of 5 V DC Rotational speed can be measured and converted to a TTL output signal with the optional speed sensor HF Transmitter Measuring Flange Coaxial Cable Model TF Torque Flange Sensor The contactless design of the Torque Flange Sensor permits a of up to 5 mm typically 1 to 3 mm between the rotor antenn and HF transmitter which makes the signal acquisition insensitive to any axial or radial misalignment Another advantage of thi torque measurement system is its insusceptibility to signa interference due to the fact that unlike other designs the antenna does not need to be looped around the measuring flange Additionally a protective cover can be mounted close to the Sensor with no effect on the signal APP
41. ort the measuring precision of the sensor Modulation of axial or radial forces under rotation may cause an anticipated fatigue of the sensor and shorten its life time Note c The values provided in the table are dynamic limits The dynamic limit could be much lower depending on the speed of application balancing quality alignment and vibrations The following table lists the admissible forces and torque which can be applied to the TF Series Torque Flange Sensors without damage Ue Limit Torque Rupture Torque pads Pere ae rie Force Force Model c d ou oum 400 M oca N m N N nominal TF 209 20 40 80 10 150 150 TF 210 50 100 200 25 375 375 TF 211 100 200 400 50 750 750 TF 212 200 400 800 100 1500 1500 TF 213 500 1000 2000 125 3750 3750 TF 214 1000 2000 4000 300 7500 7500 TF 215 2000 4000 8000 600 15000 15000 TF 216 5000 10000 20000 1500 37500 37500 217 10000 15000 40000 3000 75000 75000 TF 218 20000 40000 80000 6000 140000 140000 219 50000 90000 200000 17000 200000 200000 TF 220 100000 200000 400000 35000 400000 400000 TEMPERATURE COMPENSATION 34 Magtrol TF Series Torque Flange Sensors Chapter 4 Measurement Considerations Series Torque Flange Sensors are temperature compensated in their operating range of 20 C and 85 C in a balanced temperature environment where the temperature on each face o
42. parts which can cause crushing or cutting and protect against projections of parts having become loose Avoid attaching protective elements to rotating parts A minimum space of at least 12 mm should be maintained between rotating parts and protective elements 27 Chapter 2 Installation Configuration Magtrol TF Series Torque Flange Sensors Figure 2 23 Spacing Between Flange and Guard Figure 2 24 shows a good example of a protective system All parts of the bench are accessible but the cover prevents any risk to the user when closed Figure 2 24 Example of Protective System 28 3 Startup 3 1 POWERING UP THE SYSTEM 1 Switch the system on power up 2 Check that all LEDs are illuminated If this is not the case refer to Section 6 2 LED Indicators LED Indicates Yellow Conditioner is powered up Green Conditioner receives a return signal Data transmission is OK Red HF transmitter is powered up Figure 3 2 Red LED 29 Chapter 3 Startup Magtrol TF Series Torque Flange Sensors 3 2 OFFSET AND GAIN Offset and gain of TF Series Torque Flange Sensors are calibrated before delivery However the zero offset may have drifted slightly after mounting the measuring flange surface flatness fastening torque of the screws parasitic forces If necessary proceed as follows 1 Completely unload the measuring chain no force should be applied to th
43. refer to the manual s Table of Revisions for any changes updates that have been made since this edition REVISION DATE Second English Edition revision F July 2011 TABLE OF REVISIONS Date Edition Change Section s 07 04 11 2nd edition rev F text concerning parasitic forces updated 4 4 New information about the cardan shaft was added in section 2 2 4 5 11 12 09 2nd edition rev E New information about radial forces axial forces and dynamic limit 2 2 4 5 4 4 was added to section 4 4 06 18 09 2nd edition rev D Changed values for TF 220 2 2 4 1 03 31 09 2nd edition rev Added for 5W conditioner to pin 7 2 5 3 1 03 27 09 2nd edition rev 0 5 mm distance changed to 1 5 mm distance 2 4 1 06 03 08 2nd edition rev New design for standard speed sensor 1 2 2 41 Table of Contents SAFETY PRECAUTIONS eie ien aue a imet Ne QUALIFIED PERSONNDBDL ertet eet ce atten Ie deste tn I RESIDUAL HAZARDS E trarre nece etes eee sus co Yee II PROPER USE a a ERIT seas cous Gera TOM II MODIFICATION S ct Ee e ELO ene RE I P Hc a OO ER EE II REVISIONS TO THIS MANUAL tte tcr tici ie o te ide dec s REVISION DATES eee re er rero eet ei eee to ee iet eee e eee eer TABLE OF REVISIONS va
44. revent excessive vibrating of the HF transmitter and consequently avoid electromagnetic coupling problems between the rotor antenna and the HF transmitter Support 2 mm Centering Tolerance HF Transmitter 2 mm TF 209 217 3 mm TF 218 220 Rotor Antenna Figure 2 16 HF Transmitter Installation 2 4 SPEED SENSOR MOUNTING If the TF Torque Flange Sensor is ordered with optional speed measurement capabilities the HF Transmitter and the speed sensor must be mounted offset from each other with at least a 90 angle as shown in Figures 2 17 and 2 18 23 Chapter 2 Installation Configuration Magtrol TF Series Torque Flange Sensors 2 4 1 STANDARD SENSORS The speed sensor must be placed at a 1 5 mm distance from the measuring flange in order to optimize detection O Transmitter Connection Cable to speed conditioner Speed Sensor Figure 2 17 Standard Speed Sensor Installation 2 4 2 HiGH TEMPERATURE SENSORS The high temperature speed sensor delivered with TF Torque Flange Sensors ordered with extended temperature range must be placed at a 0 5 mm to 2 mm distance from the teeth with a 10 angle to optimize detection direction High temperature Speed S
45. rs Chapter 5 Operating Principles 5 2 1 5 2 2 5 2 3 MEASURING FLANGE TO CONDITIONER The torque signal is generated by strain gauges in a full bridge configuration that are glued onto the inside of the measuring flange This system has proven its efficiency and reliability over many decades with high measurement accuracy The signal delivered by the measuring flange is first amplified and then sent to a low pass filter before being digitalized with 16 bit resolution Afterwards the signal is modulated for transmission on an HF carrier wave 13 56 MHz All this is carried out in the electronic module located inside the rotor The measured signal is then transmitted by induction to the HF transmitter and finally demodulated by the conditioner CONDITIONER MEASURING FLANGE A similar procedure is also used on the conditioner side which transmits the supply voltage 24 V as well as the remote calibration signal to the rotor SPEED SENSOR TO SPEED CONDITIONER Using the magnetoresistor principle the optional speed sensor delivers a signal to the speed conditioner with a frequency proportional to the rotational speed 37 6 Troubleshooting Maintenance 6 1 DISMOUNTING THE MEASURING FLANGE When dismounting the measuring flange from the drive train make sure that all mounting screws are removed including those which are not visible from outside CAUTION NEVER USE THE MEASURING FLANGE FOR LEVERAGE WHEN DISMO
46. se and to prevent any damage to the system it is necessary to calculate the natural frequency of the drive train s torsional oscillations The drive train is considered a combination of torsion springs with intermediate flywheel masses In the TF Sensor the deformation area of the measuring flange is the weakest link in the rotating measuring chain and is subject to torsional vibrations A good approximation of the dominant torsional resonant frequency is given in the following formula 1 On fo fo System natural frequency Hz C Torsional stiffness of the flange N m rad J4 Moment of inertia driving element mounting flange Y measuring flange kg m Moment of inertia driven element cardan shaft 7 measuring flange kg m A more detailed analysis of the dynamic system response may require the study of publications on structural mechanics However the following simplified model of a drive train can often be used 31 Chapter 4 Measurement Considerations Magtrol TF Series Torque Flange Sensors 557 Figure 4 1 Simplified Physical Drive Train Model Note The natural torsional frequency of the drive train is lower due to the presence of the TF Torque Flange Sensor The system s own natural frequency must then be recalculated to determine the influence of the TF Sensor The torsion spring describes the behavior of the measuring flange deformation zone The torsion
47. suring Flange TF 209 210 211 220 0 000000 00 22 Figure 2 14 Coupling Mounting to Measuring Flange TF 213 219 Figure 2 15 Mounting Flange to Measuring Flange Coupling Assembly Figure 2 16 HF Transmitter Installation eese Hm Figure 2 17 Standard Speed Sensor Installation eese tentent rennen Figure 2 18 High temperature Speed Sensor Installation eese Figure 2 19 Conditioner Connections cesses Figure 2 20 Conditioner Connector Pin Configuration Figure 2 21 ER 116 Cable Configuration s Figure 2 22 ER 117 Cable Configuration een ageret Rr i Pee Ue E N Figure 2 23 Spacing Between Flange and Figure 2 24 Example of Protective 1 3 STARTUP Figure 3 1 Greenand Yellow LEDs ii ere eet te e reete etre 29 Figure 3 2 Red 29 Figure 3 3 Zero Calibration of 1 5 W Conditioner TF 209 to TF 217 Sensors 30 Figure 3 4 Zero Calibration 5 W Conditioner TF 218 to TF 220 Sensors essere 30 4 MEASUREMENT CONSIDERATIONS Figure 4 1 Simplified Physical Drive Train Model eese netten eene 32 Figure 4 2 Drive Train Transfer Curve m Figure 4 3 Admissible Dynamic Load eese 5 OPERATING PRINCIPLES Figure 5 1 Telemetry Principle Applied to TF Torque Fl
48. t between the screws and the opposite part of the measuring flange see Figure 2 8 Mounted TF Ensure a 0 1 to 0 2 mm clearance between the centering hole of the measuring flange and the mounting flange centering washer Mounting Flange Centering Washer lt lt L lt min clearance 0 1mm 0 2mm lt lt 22 lt Measuring Flange Centering Hole Figure 2 8 Mounted TF Chapter 2 Installation Configuration Magtrol TF Series Torque Flange Sensors 2 2 4 2 2 4 1 MountTING PROCEDURE Since all TF Sensors are reversible the component that is to be mounted on the same side as the measuring flange s rotor antenna must be mounted first The options mounting orders are as follows Option First Step Second Step A Mounting Flange to Measuring Flange see Section 2 2 4 2 Coupling to Measuring Flange Mounting Flange Assembly see Section 2 2 4 3 B ee Mounting Screws Coupling to Measuring Flange see Section 2 2 4 4 Mounting Flange to Measuring Flange Coupling Assembly to see Section 2 2 4 5 The measuring flange must be mounted with 8 8 10 9 12 9 quality screws applying the specific fastening torque listed in the following table Fastenin Fastening Torque N m TF Sensor Screw 9 Screw Friction Friction Model Size Class Coeffi
49. to the original purchaser and shall not apply to fuses computer media or any other product which in Magtrol s sole opinion has been subject to misuse alteration abuse or abnormal conditions of operation or shipping Magtrol s obligation under this warranty is limited to repair or replacement of a product which is returned to the factory within the warranty period and is determined upon examination by Magtrol to be defective If Magtrol determines that the defect or malfunction has been caused by misuse alteration abuse or abnormal conditions of operation or shipping Magtrol will repair the product and bill the purchaser for the reasonable cost of repair If the product is not covered by this warranty Magtrol will if requested by purchaser submit an estimate of the repair costs before work is started To obtain repair service under this warranty purchaser must forward the product transportation prepaid and a description of the malfunction to the factory The instrument shall be repaired at the factory and returned to purchaser transportation prepaid MAGTROL ASSUMES NO RISK FOR IN TRANSIT DAMAGE THE FOREGOING WARRANTY IS PURCHASER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR USE MAGTROL SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSS
50. ttp www magtrol com support rma htm to begin the RMA process 2 Complete the RMA form online and submit 3 An RMA number will be issued to you via e mail Include this number on all return documentation 4 Ship your equipment to MAGTROL INC 70 Gardenville Parkway Buffalo NY 14224 Attn Repair Department 5 After Magtrol s Repair Department receives and analyzes your equipment a quotation listing all the necessary parts and labor costs if any will be faxed or e mailed to you 6 After receiving your repair estimate provide Magtrol with a P O number as soon as possible A purchase order confirming the cost quoted is required before your equipment can be returned Returning Equipment to Magtrol SA Switzerland If you are directed to ship your equipment to Switzerland no RMA form number is required Just send your equipment directly to Magtrol SA in Switzerland and follow these shipment instructions 1 Ship your equipment to MAGTROL SA After Sales Service Route de Montena 77 1728 Rossens Fribourg Switzerland VAT No 485 572 2 Please use our forwarder TNT 1 800 558 5555 Account No 154033 Only ship ECONOMIC way 3 days max within Europe 3 Include the following documents with your equipment e Delivery note with Magtrol SA s address as listed above e Three pro forma invoices with e Your VAT number e Value for customs purposes only e Description of returned goods Origin of the goods in general Switzerla

TF Series User`s Manual

Contents

Download Pdf Manuals

Related Search

Related Contents