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KOHTECT AVV-711 User Manual

Laser shaft alignment system
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KOHTECT AVV-711
LASER SHAFT ALIGNMENT SYSTEM
USER'S MANUAL
2016

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Summary of Contents for KOHTECT AVV-711

  • Page 1 KOHTECT AVV-711 LASER SHAFT ALIGNMENT SYSTEM USER’S MANUAL 2016...
  • Page 2 AVV-711 User’s Manual...

  • Page 3: Table Of Contents

    AVV-711 User’s Manual CONTENT General ........................5 Safety Precautions ....................5 Laser Safety Precautions ..................5 EC Declaration of conformity .................. 6 Technical Description ....................7 Designation ......................7 Misalignment Parameters ..................7 Specification and Features ..................9 System Package ....................10 System overview ....................
  • Page 4 AVV-711 User’s Manual Readings quality assessment ................22 Measurements edit Mode ..................23 Result Screen ..................... 24 Movable machine Adjustment ................24 Report file saving ....................26 Soft Foot ....................... 27 Vertical Machine Alignment ..................29 Short Explanation ....................29 Transducer’s Positions Conventions ...............

  • Page 5: General

    Neither the NPP KOHTECT enterprise nor our authorized dealers are liable for the damages caused to machinery or equipment by use of the AVV-711 system. We carefully check text of this manual to eliminate errors, nonetheless there may be mistakes or inaccuracy involved.

  • Page 6: Ec Declaration Of Conformity

    AVV-711 User’s Manual EC DECLARATION OF CONFORMITY We, NPP KOHTECT, 167, Pogranichnaya str., of.201, Nikolaev, Ukraine herewith declare that the following product: Shaft Alignment Tool AVV-711 has been designed and manufactured in accordance with: EMC DIRECTIVE 2004/108/EC as outlined in the harmonized norm for EN 61326-1:2013 Electrical equipment for measurement, control and laboratory use –...

  • Page 7: Technical Description

    AVV-711 User’s Manual TECHNICAL DESCRIPTION DESIGNATION AVV-711 alignment system (further as System) is designed for measurement of shaft axis misalignment of coupled machines, and calculation of movable machine adjustment required to eliminate misalignment that exceeds permissible tolerances; The machine alignment means adjustment of the relative position of two coupled machines (e.g.
  • Page 8 AVV-711 User’s Manual Parallel misalignment of axes – Offset (displacement) Angular misalignment of axes – Gap Parallel and angular misalignment of axes – (Offset + Gap) Fig 2 The parallel (Offset) and angular (Gap) misalignment of axes is determined in two mutually perpendicular planes.

  • Page 9: Specification And Features

    AVV-711 User’s Manual SPECIFICATION AND FEATURES Separation distance between measuring transducer units, up to 10 m Display control operating temperature range, -10..+55 degree C Measurement accuracy, 1%+0.01 Laser type: Visible red 635-670 nm, <1 mW Detector type: Positional-sensitive photodiodes, 10 x 10 mm Display resolution, 0.01 or 0.001 mm, (1 or 0.1 mil )

  • Page 10: System Package

    AVV-711 User’s Manual SYSTEM PACKAGE The System includes (Fig. 1): 1- AVV-711 display unit 2- two measuring transducer units – S, M 3- universal chain brackets for mounting of measuring units S, M 4- measuring tape 5- 120…240 Volts AC charger...

  • Page 11: Mounting Transducers

    AVV-711 User’s Manual USB and indicator Charger connectors Transducers connectors MOUNTING TRANSDUCERS  Firmly tighten rods 1 into the shaft brackets 2.  Put thumb nut 3 into the bracket 2, then hook the chain 5 on the stud 4.

  • Page 12: Laser Beam Adjustment

    AVV-711 User’s Manual LASER BEAM ADJUSTMENT  Mount transducers at the same height relative to the axis of the shafts  Close transducers windows and use green circle as the target  Adjust laser beams to the centers of targets by means of adjustment knobs ...

  • Page 13: Getting Started

    AVV-711 User’s Manual GETTING STARTED COMMON CONTROL KEYS CONSIDERATION To turn ON/OFF display unit and transducers – press and hold the power button ~2 sec. In case the system hangs and device did not respond to any keys - press and hold the power button for ~10 sec, the system will be reset.

  • Page 14: Setup Menu Items

    AVV-711 User’s Manual SETUP MENU ITEMS – to setup date and time – to set device auto off delay in seconds. When set to 0 – auto off is disabled. – to install license file which enables + Function measurement functions. Press 9, browse...
  • Page 15 AVV-711 User’s Manual – to choose user interface language keys to choose language, then press – to switch AVV-711 into USB mass storage device mode. By default device can be connected to the PC via Microsoft Windows Mobile Device Center. USB mass storage device mode can be used as alternative.

  • Page 16: Horizontal Machine Alignment

    AVV-711 User’s Manual HORIZONTAL MACHINE ALIGNMENT SHORT EXPLANATION Mount transducers on shafts Run Horizontal program Enter dimensions Set parameters. E.g. Measurement mode – clock type (9-12-3 o’clock positions) Turn shafts with transducers at first position 9 o’clock (90°). Press Start to take readings Turn shafts with transducers at second position 12 o’clock (180°).

  • Page 17: Parameters

    AVV-711 User’s Manual PARAMETERS In Main Menu run Horizontal program. Choose New Task to start from scratch or Continue… - to resume interrupted work. Machine dimensions / measurement setup screen Press key to start editing the dimensions’ values Press key for parameters/key legend:...
  • Page 18 AVV-711 User’s Manual Press - to toggle dimensions input M-F1, M-F2 / S-F1, S-F2 Press - to toggle data input – LD transducer’s data / MD – manual data Press - to toggle angle input – IA use inclinometer / MA manual angle. Manual angle input used for vertical machines, when electronic inclinometer cannot be used.

  • Page 19: Taking Measurements. Clock Mode. 3/4 Points

    AVV-711 User’s Manual Press to enter tolerance setup menu. Press to use predefined RPM/tolerance table Press to enter user defined tolerance values Press to save changes, to discard changes. TAKING MEASUREMENTS . CLOCK MODE. 3/4 POINTS Press to edit dimensions.
  • Page 20 AVV-711 User’s Manual Turn shafts to second position – 12 o’clock (180°) Press to take second reading. Turn shafts to third position – 3 o’clock (270°) Third position Press to take third reading. When three reading are taken, device will proceed to the result screen.

  • Page 21: Taking Measurements. Multipoint Mode

    In multipoit mode readings can be collected at any shafts position minimum 3 up to 36 positions. AVV-711 is able to calculate misalignment after collecting at least 3 points within as little as 70 degree range. However always try to cover as wide shaft turn angle as possible.

  • Page 22: Taking Readings. Auto Shooting Mode

    AVV-711 User’s Manual TAKING READINGS. AUT O SHOOTING MODE Turn shafts to first position, then press Auto shooting mode is active to activate auto shooting mode. When auto shooting mode is active – device waits for stable shaft position then automatically records data and prompts to move shafts to the next position.

  • Page 23: Measurements Edit Mode

    AVV-711 User’s Manual MEASUREMENTS EDIT MODE It is possible to edit collected data when poor quality data is detected. Press key to activate edit mode Edit mode keys to scroll over collected readings to delete readings key to quit edit mode (when cursor points to the last...

  • Page 24: Result Screen

    AVV-711 User’s Manual RESULT SCREEN On the result screen device displays parallel and angular misalignment at the coupling and values of the required corrections in horizontal and vertical directions for movable machine. Blue arrows clearly displays directions in which movable machine must be moved to eliminate misalignment.
  • Page 25 AVV-711 User’s Manual Device may reduce number of available transducers positions for machine adjustment. Permissible transducer positions are indicated at the clock face. Only permissible transducer positions can be used for machine adjustment. Transducers now at 3 o’clock (270°) live...

  • Page 26: Report File Saving

    AVV-711 User’s Manual REPORT FILE SAVING To save report file – press key in the result screen To browse folders – use keys: to open folder to move one level up to create new folder Press key to save report with default name.

  • Page 27: Soft Foot

    AVV-711 User’s Manual Press to edit file name SOFT FOOT Soft foot condition makes impossible proper machine alignment. So it should be eliminated prior to conduct alignment work. Soft Foot program intended for this purpose. Run Soft Foot program. Press...
  • Page 28 AVV-711 User’s Manual Loosen first bolt fully Wait about 5 sec Press Tighten bolt firmly Press Repeat this procedure for all feet Press to save file Bolt selection sequence can be changed by manually selecting the bolt by arrow keys.

  • Page 29: Vertical Machine Alignment

    AVV-711 User’s Manual VERTICAL MACHINE ALIGNMENT SHORT EXPLANATION Mount transducers on shafts Run Vertical program Mark on the machine three positions spaced by 90° (9-12-3 o’clock positions) Enter dimensions Set parameters. E.g. Tolerances. Turn shafts with transducers at first position 9 o’clock (90°). Press Start to take readings Turn shafts with transducers at second position 12 o’clock (180°).

  • Page 30: Parameters

    AVV-711 User’s Manual PARAMETERS Run Vertical program. Choose New Task. Machine dimensions / measurement setup screen Press key to start editing dimensions values Press key for parameters/key legend: Press - to toggle data input – LD transducer’s data / MD –...

  • Page 31: Taking Measurements. Clock Mode

    AVV-711 User’s Manual Vertical machines inclinometer data is unavailable, so angle value for each point should be entered manually, taking into account mentioned above positions conventions. Press key to enter angle of transducers position. Or any of 45° positions can be used Press to enter tolerance setup menu.
  • Page 32 AVV-711 User’s Manual Turn shafts to first position keys to indicate actual transducers position First reading Make sure that actual transducers position is indicated then press to take the first reading. Turn shafts to next position Press to take second reading.

  • Page 33: Result Screen

    AVV-711 User’s Manual RESULT SCREEN At this moment transducers are at 1:30 o’clock (225°) position, device displays live updated values for 9-3 direction. Values of parallel and angular Values and misalignment direction of required parallel correction Blue arrows displays directions, in which movable machine must be moved to eliminate parallel misalignment.
  • Page 34 AVV-711 User’s Manual Color of coupling signs indicates value of misalignment. Green color indicates when residual misalignment is within tolerance. Black color is for perfect result. Always stop machine correction when residual misalignment is within tolerance. Do not try to reach...

  • Page 35: Charging Batteries

    AVV-711 User’s Manual CHARGING BATTERIES The battery can be charged by means of USB type AC charger or via USB type charger PC/laptop USB port. connector Immediately after connecting charger to the display unit there are few seconds to change charge current - press and hold ON button for ~2sec until LED changes flash rate.

  • Page 36: Firmware Upgrade

    USB thumb drive – create the folder AvvUpd.ate 2. Copy firmware file Avv711Intall.cab to this folder 3. Remove USB thumb drive from PC/Laptop port and insert it to the AVV-711 USB host port. Press and hold key for ~2 sec to turn AVV-711 on.
  • Page 37 AVV-711 User’s Manual 7. Press key then to confirm replace of all existing files 8. Press key to choose NO, then press 9. Firmware upgrade will run. Once finished press to turn device...

  • Page 38: Firmware Upgrade Using Windows Mobile Device Center

    AVV-711 User’s Manual FIRMWARE UPGRADE USING WINDOWS MOBILE DEVICE CENTER Make sure that device battery is fully charged! 1. Connect AVV-711 to PC via USB cable. Press and hold key for ~2 sec to turn AVV-711 on. Windows Mobile Device center will launch.
  • Page 39 AVV-711 User’s Manual 5. Press key then to confirm replace of all existing files 6. Press key to choose NO, then press 7. Firmware upgrade will run. Once finished press to turn device...

  • Page 40: Standard Tolerances Of Shaft Misalignment

    AVV-711 User’s Manual STANDARD TOLERANCES OF SHAFT MISALIGNMENT This chapter provides the standards alignment tolerance of misalignment for standard industrial machinery with flexible coupling that can be used under condition only if existing in-house standards or the machine or coupling OEM have not given any blinding values, and must not be exceeded.

  • Page 41: Delivery Set

    AVV-711 User’s Manual DELIVERY SET № Description Note Control Display Unit Measuring Transducer Units S, M Transducer’s cable, 1.8m Brackets Frame Chains assembly Supporting Rods AC Charger, 120-240Volts Tape Measure 2m Carrying Case Operating Instructions Manual ConSpect Software USB PC Communication Cable...

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