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1. WET SLIP DIAGRAM 0007 OS6T uiu uu paads paunseauu e e RP RP RP BP RP RP RP RP RP RP RP RP RP PB PP PB Pp O 0 0 Y Y Dd DU UU pb BwWwnn RR O O OO0O0 0 ND u CU CUCU CU CUCU Cu ou OUOU ou ou ou o u O O O O O O O O O O O O O O O O O O O O O O O O O O O O WIJ 1312M pallonuoo e YIM 3uluun WW 0007 104 pazrJaqqn e uo NO pallJe SEM Juswa nseaW 39U3134 1 SIY WEJZEIP dlls JAM pa9ds e9y 1591 94 OOS Ost oor OSE 00 osz ooz OST OOT OS 00 0 s0 0 OTO STO 07 0 Szo DE 0 SEO ovo Sty 0 uruu uu dus FELIEST equipment APPENDIX B PROGRAMMING THE READ OUT UNIT The read out unit is fully programmed and ready for use when supplied by Feltest Equipment BV The RealSpeed package also includes the OEM user manual of the read out unit Therefore the programming of the read out unit is only described in short for more information please refer to page 14 of the OEM user manual of the read out unit The read out unit needs a factor to convert the number of pulses second into meter second This factor is calculated with the following formula diameter wheel m 0 100 m 3 14159 0 03927 pulses per rev 8 Eleven settings of the read out unit called steps can be programmed To change one or all steps 1 Press the PROG key to enter the program mode On the left hand side 00 will start blinking This means step 00 is activated To enter the ac2. FELIEST equipment Feltest RealSpeed Version FRS ENG 0901 A WARNING Doing measurements of any kind on running paper machines is potentially dangerous and requires alertness concentration and common sense The products of Feltest Equipment BV are designed and constructed to be as safe as possible for their intended use Feltest Equipment BV cannot be held responsible or liable in any way for injuries or damages that occurred using Feltest Equipment BV s products Edition FRS ENG 1112 Feltest Equipment BV did their best to write a clear and accurate instruction manual However human errors can never be fully ruled out and we would be happy to receive your remarks In case errors are contained in this manual Feltest Equipment BV cannot be held liable for the consequences and or damages related to such errors As an effort to constantly improve its products Feltest Equipment BV reserves the right to change the instrument s hardware firmware or software without notice Copyright Feltest Equipment BV 2011 All rights reserved FELIEST equipment TABLE OF CONTENTS os A A e 3 1 Important information and general comments on the safe use of the RealSPeed cscsecscsccsceees 4 1441 intended Use 4 1 2 General Safety Precautions ee 4 1 3 Specific Safety Precautions A E OE ee 5 1 4 Workine rneplEanaotechnology ci etate emo ac ceai ein datei n naut ta a a anl uta pt i bin ie 5 2 The RealSpeed and i
3. Ball bearing 14 4 Simmer ring 15 5 Shaft 16 6 Distance ring 17 7 Washer 8 Bolt size M8 18 9 Impulse generator including connector 19 10 Bolt size M12 20 11 Wheel holder part of frame Illustration 4 exploded view Countersunk screws size M5 Connector holder part of frame Handle holder part of frame Joint shaft Handle joint Screw to secure the optional optical sensor Screw to secure the handle Handle Optional clamping arm for stationary measurements 35 and 40 mm FELIEST equipment 3 GETTING STARTED Please follow the instructions below to use the RealSpeed correctly and safely 3 1 Choose the correct measuring wheel The RealSpeed is standard supplied with two models of measuring wheels one with a rubber tire and one with a rougher metal surface and the inscription only for wet felt The high measuring accuracy of the RealSpeed can only be achieved when there is no slip between the wheel and the measured surface i e a roll or fabric Illustration 5 rubber tire wheel left and full metal wheel right The full metal wheel with the only for welt felt inscription is provided for measurements on used wet press felts As the surface of this wheel is quite rough it is advised to use this wheel only outside the paper sheet s run Please note that this wheel is only needed when the measurement needs to performed on a position where the press felt is
4. screw in the bottom hole using the 4mm Allen key Fasten the screw tightly so that it cannot fall out under any condition but do not use too much force so that it can still be loosend after use Illustration 8 positions for the handle SAFETY WARNING Always secure the handle with the socket screw in the bottom If the handle is mounted vertically in the top position place and fasten the safety socket screw on the face side of the frame FELIEST equipment 3 4 The read out unit The Feltest RealSpeed is supplied with an electronic read out unit This read out unit is pre programmed so that it can be used immediately The standard RealSpeed has a read out unit with 1 input channel for the pulse generator The RealSpeed with RealLength option has a second input channel for the optical sensor and a turning knob to adjust the sensitivity of the optical sensor 3 4 1 Connecting the read out unit Standard version The standard version of the Feltest RealSpeed is supplied with a black cable to connect the pulse generator with the read out unit Make sure that the connector on the RealSpeed is secured using the fixation ring Wireless version The wireless version of the Feltest RealSpeed has no direct connection cable On the frame is the battery operated integrated pulse generator transmitter unit This unit can be switched on by pushing the small pin into the corresponding opening removing the pin
5. not supported on the opposite side The wheel with the rubber tire can be used in following situations o On paper machine rolls with all kinds of roll covers steel rubber ceramic o On wet or dry forming fabrics o On wet or dry press felts on positions where the felt is supported on the opposite side for example when measuring on the stretch roll or on an Uhle box o On dryer screens FELIEST equipment 3 2 Mounting the measuring wheel The measuring wheel can be exchanged in just a minute To demount a wheel put the supplied screw driver in slit of the shaft pin see illustration 6 Then use the supplied wrench to completely loosen the lock nut M8 Now the wheel and the shaft can be taken from the frame measuring wheel q chamfer washer y N N i NN lock nut M8 Li A CETV OTE I EINES LOROS XC SOS LOOSE RA A XI mr i GREEN NS DOORS RS atata 1 position screw driver ORO LODOS OSOS O EREN mle shaft pin bie 2 use wrench to loosen nut IF E LU frame spacer ring MLL When mounting a wheel follow the next steps carefully Illustration 6 changing the measuring wheel 1 Make sure the wheel is positioned correctly the wheel hub with the square edge must face the frame and the side with the chamfer must be facing outside If the wheel is positioned the other way around the sensor will not generate pulses from the magnets and the RealSpeed will not work 2 Put
6. the shaft pin through the wheel and place the spacer ring 3 Lead the shaft pin through the frame place the washer and turn the lock nut by hand 4 Position the supplied screw driver in the slit of the shaft pin and use the wrench to carefully tighten the lock nut Make sure the bearing keeps enough clearance see next page A CAUTION Do not tighten the lock nut too much see the instructions on the next page FELIEST equipment The lock nut can be tightened until the wheel bearing has a limited clearance see illustration 7 and can still rotate freely Mk pulse generator NETT Fern Ay lock nut gt bearing clearance per side approx chamter CA 0 1 0 2mm 0 8 1 0mm Illustration 7 Clearance on bearing and at the pulse generator A CAUTION Without bearing clearance the bearings will be damaged and the extra friction will cause slip and therefore faulty unreliable test results As indicated in illustration the wheel may not touch or slide against the pulse generator The distance between the wheel and the pulse generator should be approximately 0 8 1 0 mm 3 3 Mounting the handle or the clamping fixture For stationary measurements the clamping fixture can be mounted on the joint part of the frame For hand measurements the handle can be mounted in one of the 4 available holes on the joint part of the frame see illustration 8 When using the handle always secure it with the socket
7. and multiplying that result with the circumference of the measuring wheel For accurate measurements it is essential to avoid slip between the wheel on the measured surface FELIEST equipment 2 THE REALSPEED AND ITS COMPONENTS 2 1 Scope of delivery The Feltest RealSpeed comes in a robust transportation case In the case are the following articles With the optional wireless kit is supplied e The frame with a handle contains a different type of sensor with With the optional RealLength kit is supplied e The read out unit is of a different type unit with two 1 read out unit battery operated and with one input channel 2 measuring wheels diameter 100 mm 1 for wet felts and 1 for rolls forming fabrics and dryer screens 1 frame with a handle attached and the pulse generator built in 1 cable to connect the sensor to the read out unit 1 set of tools consisting of one screw driver two Allen keys size 2 and 4 mm one wrench size 10 11 Illustration 1 standard RealSpeed integrated wireless transmitter 1 battery charger for the transmitter 1 wireless receiver unit 1 short cable to connect the receiver to the read out unit input channels 1 optical sensor with two meters of cable and a connector attached Illustration 3 RealSpeed with wireless kit and RealLength kit FELIEST equipment 2 2 Names of parts 1 Calibrated rubber tire 12 2 Measuring wheel with magnets 13 3
8. e RealSpeed must be familiar with the particular dangers of paper machines and must take all possible precautions required to perform safe measurements on the machine where the instrument is used A SAFETY WARNING Perform measurements ONLY on positions with a good and safe accessibility Do not bend over into the machine If you must lean against a safety fence first check its stability Do not ignore or remove safety constructions ALWAYS FOLLOW THE SAFETY INSTRUCTIONS THAT APPLY FOR THE LOCATION WHERE THE MEASUEMENTS ARE DONE A SAFETY WARNING The user must take all possible safety precautions to prevent entanglement of garments or of the RealSpeed and its components into the moving parts of the machine where the instrument is used A SAFETY WARNING During the use of the RealSpeed the operator must make sure at any time that the connecting cable is not looping around any part of the operator s body to prevent any possibility to be dragged into the machine s moving parts FELIEST equipment A SAFETY WARNING Although especially designed for the use in rough conditions the RealSpeed must be carefully inspected before taking it into operation Always verify if the instrument is in perfect condition to perform safe measurements 1 3 Specific Safety Precautions A SAFETY WARNING Check if all the bolts and screws are securely fastened before every measurement Always secure the handle with the safety bol
9. epare the RealSpeed and its read out unit on a safe distance from the paper machine 1 10 Switch on the read out unit Make sure that on the left hand side of the display min is shown for readings in m min or sec for readings in m s If necessary press the h min sec SF key several times until the desired measuring unit is shown on the display Under 0 00 the word VAR must be shown This means the read out unit is using the programmed factor to calculate the speed If necessary press the FIX VAR key once Hold the measuring wheel above and in line with the running direction of the roll or fabric Assure that the joint between wheel and handle is not at its limits but can move freely Move the measuring wheel down until it is in good contact with the roll or fabric apply limited pressure to prevent slip but without distorting the rubber tire of the measuring wheel Again make sure that the joint between wheel and handle is not at its limits but can move freely Forces in cross direction will cause slip giving faulty test results Press the BEGIN END key to start recording the speed The word RUN will appear on the display Press BEGIN END again to end the measurement RUN will disappear Keep the MAX key pressed to read the maximum value during the measurement recording The maximum value is the best test result as it will contain the least slip of all stored val
10. in the display When the optical sensor detects a second contrast change the guide line passes again it will send a stop signal to the read out unit The word RUN will disappear from the display The value shown on the display is the length in meters Go back to 7 to start a new measurement Turn the sensitivity knob towards the gray cable to increase the optical sensitivity when the sensor did not detect the guideline or turn it towards the black cable for less sensitivity when the sensor is triggered too easily 12 FELIEST equipment 4 SPECIFICATIONS 4 1 Measurement specifications Parameter 100 0 02 0 05 1 in last active digit m s m min km h 4 2 Mechanical specifications Read out unit 54 205 x 90 x 100 2 N ee eee 2 dimensions are without the handle or the optional clamp fixture installed 1 only with all connectors in place 4 3 Electrical specifications Control unit Power supply 4 alkaline batteries type AA MN1500 NI 4 4 Environmental conditions Long term measurements FELIEST equipment 5 TECHNICAL ASSISTANCE For technical assistance please contact your local sales agent see the Contact page on www feltest com or contact Feltest Equipment BV directly FELTEST EQUIPMENT BV Phone 31 313 652 215 Fax 31 313 654 068 e mail service feltest com Web www feltest com Contact Mr Marcel Lensvelt FELIEST APPENDIX A
11. t A SAFETY WARNING Always apply the measurement wheel in the running direction of the roll or fabric A SAFETY WARNING Lose and or unused parts such as cables or screw drivers must be laid on a safe position where they cannot get in contact with running or rotating machine parts 1 4 Working principle and technology In the measuring wheel of the RealSpeed there are 8 magnets securely mounted On the frame is a non contact pulse generator installed that creates an electric pulse whenever one of the magnets passes it The read out unit counts the number of electric pulses per second It is programmed in such a way that 8 pulses correspond to one revolution of the measuring wheel or in other words with the known circumference of the measuring wheel In this way the distance per second is calculated and converted to m min The fabric length is measured with the optional RealLength kit This kit contains an additional optical sensor and a read out unit with an additional start stop input The very sensitive optical sensor detects it when the guideline on the felt or fabric passes When it passes the sensor the 1 time the measure ment is started and the read out unit will start counting the pulses When the guideline passes the sensor again after one fabric revolution the measurement is automatically stopped The length is then simply calculated by dividing the total number of pulses by 8 resulting in the number of wheel revolutions
12. tive step press the 1 key to exit and confirm press the PROG key To go to the next or previous step use the 4 and keys When all steps are set correctly leave the program mode by pressing the PROG key again te m a For the Feltest RealSpeed the correct settings for all steps are 2 00 Minimum measuring time 4 00 Maximum measuring time Multiply with given factor 1 divide with given factor Position of the decimal separator in the given factor 0 03927 Factor see calculation above PR Position of the decimal separator for speed measurements 0100 00 Analogue output reading assigned to high end 0000 00 Analogue output reading assigned to low end 1 Auto power off activated 0 no 1 yes 001 Input frequency divider does not apply for RealSpeed 10 ESE Position of decimal separator on length measurements in meters FELIEST equipment Notes FELIEST equipment
13. ts components ceccscecsccscsceccccccscsccccccscnceccecscscecceecscsceccecscscescecscsceseececscssess 6 eo Po n n a taia aa ell A 6 NS 7 3 GNE Start nicol a dual rola 8 3 1 Choose TNE correct measuring Wheeler 8 3 2 Mount the measuring Wiek lada 9 3 3 Mounting the handle or the clamping fixture pp 10 Tea 11 341 ConnectinstheTesa Un 11 39 EXEELINE THE Measurement ee ee 11 38 1 o Pee me Sure WIEN ido 12 35 2 a A 12 A SSC ITI CAC OINS ind 13 41 Measurement species lOns ee ee ee ee rer 13 4 2 Mechanical SBECIHIESLONS ee een i aa i d lea dat tuba def 13 A 3 Electrical SDECINICILIO NS eee er e ied aie en ee ee seci at t ta 13 44 Environmental CONCITIONS een 13 co UE rennen 14 Appendix A Wet Slip Diagram ccscsssssscscsrscsccncarscnccscnccecccscnccscecccncescecccncascecccscascececscnsescecscnsescesees 15 Appendix B Programming the Read out Uniit cccscscsssccscscsccccccscsccccccscscescecscscescccecscesescecscssessess 16 FELIEST equipment 1 IMPORTANT INFORMATION AND GENERAL COMMENTS ON THE SAFE USE OF THE REALSPEED 1 1 Intended use The Feltest RealSpeed is developed only for use on rolls and clothing of running paper machines The instrument is not intended nor suitable for use on any other object or for any other application 1 2 General Safety Precautions A SAFETY WARNING The RealSpeed is developed for use on dangerous machines i e paper machines The operator of th
14. ues Go back to 7 to start a new measurement Always make several measurements after each other to check the repeatability of the test results 3 5 2 Length measurements Prepare the RealSpeed and its read out unit on a safe distance from the paper machine For length measurements both the pulse generator and the optical sensor must be connected to the read out unit 1 2 T 10 Switch on the read out unit and press h min sec SF until SF Special Function is shown Under 0 00 the word VAR must be shown This means the read out unit is using the programmed factor to calculate the correct speed If necessary press the FIX VAR key once Hold the measuring wheel above and in line with the running direction of the roll or fabric Assure that the joint between wheel and handle is not at its limits but can move freely Move the measuring wheel down until it is in good contact with the roll or fabric apply limited pressure to prevent slip but without distorting the rubber tire of the measuring wheel Again make sure that the joint between wheel and handle is not at its limits but can move freely Forces in cross direction will cause slip and faulty rest results Press the MAX key to activate the optical sensor SF will now start blinking As soon as the optical sensor detects a contrast change the guide line passes the sensor it will induce a start signal The word RUN will be shown
15. will switch the transmitter off The transmitter contains rechargeable batteries that can be charged using the supplied battery charger On a full charge the unit will work for about 9 hours The supplied receiver part with clip and antenna can be connected to the read unit with the short black cable This receiver is powered by the read out unit RealLength version With the optional RealLength kit is also an optical sensor included The optical sensor itself must be mounted into the frame of the RealSpeed with the lens facing the down to the fabric Secure the sensor carefully with the small socket screw using the smaller 2 mm Allen key A SAFETY WARNING Always secure the optical sensor with the socket screw on the face side Do not use much force A SAFETY WARNING If the RealSpeed is used without the optical sensor make sure that the socket screw is securely tightened The optical sensor must be connected to the read out unit on the port that is labeled Start Stop The turning knob can be used to adjust the sensitivity of the optical sensor The unlabeled port has to be connected to the pulse generator on the RealSpeed frame 3 5 Executing the measurement Before starting look for a safe position to execute the measurement Please take good notice of all safety warnings in this manual Then following the instructions underneath step by step ze FELIEST equipment 3 5 1 Speed measurements Pr
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