Struers Tegramin-20 Instruction Manual
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Struers Tegramin-20 Instruction Manual

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Tegramin-20
Instruction Manual
Original Instructions
Doc. no.: 16017025-02_B_en
Date of release: 2024.02.29

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Summary of Contents for Struers Tegramin-20

  • Page 1 Tegramin-20 Instruction Manual Original Instructions Doc. no.: 16017025-02_B_en Date of release: 2024.02.29...
  • Page 2 Copyright The contents of this manual are the property of Struers ApS. Reproduction of any part of this manual without the written permission of Struers ApS is not allowed. All rights reserved. © Struers ApS. Tegramin-20...

  • Page 3: Table Of Contents

    Table of Contents 1 About this manual 1.1 Accessories and consumables 2 Safety 2.1 Intended use 2.2 Tegramin-20 safety precautions 2.2.1 Read carefully before use 2.3 Safety messages 2.4 Safety messages in this manual 3 Get started 3.1 Device description 3.2 Overview 3.3 Emergency stop...
  • Page 4 7.4.3 Lower the specimen mover head 7.4.4 Adjust the height of the specimen mover plate 7.4.5 Adjust the horizontal position of the specimen mover plate 7.4.6 Mount the specimens in a mover plate 7.4.7 Recommendations for grinding single specimens 7.5 Manual preparation Tegramin-20...
  • Page 5 9 Disposal 10 Troubleshooting 10.1 Grinding and polishing problems 10.2 Error messages 11 Technical data 11.1 Technical data 11.2 Safety Related Parts of the Control System (SRP/CS) 11.3 Diagrams 11.4 Legal and regulatory information 12 Manufacturer Declaration of Conformity Tegramin-20...

  • Page 6: About This Manual

    Tegramin-20 and Tegramin-20 with cover The machine is for use in a professional working environment (e.g. a materialographic laboratory). The machine is designed to be used only with Struers consumables specifically designed for this purpose and this type of machine.

  • Page 7: Tegramin-20 Safety Precautions

    Connect the machine to a cold water tap. Make sure that the water connections are leak- proof and that the water outlet is working. 10. Struers recommends that the main water supply is shut off or disconnected if the machine is to be left unattended.

  • Page 8: Safety Messages

    19. In case of fire, alert bystanders, the fire brigade and cut power. Use a powder fire extinguisher. Do not use water. 20. Struers equipment must only be used in connection with and as described in the Instruction Manual supplied with the equipment.

  • Page 9: Safety Messages In This Manual

    Wear safety shoes when handling heavy machinery. WARNING Do not use the emergency stop for operational stop of the machine during normal operation. Before you release the emergency stop, investigate the reason for activating the emergency stop and take any necessary corrective action. Tegramin-20...
  • Page 10 2   Safety WARNING Struers equipment must only be used in connection with and as described in the Instruction Manual supplied with the equipment. WARNING The operator must read the safety precautions and Instruction Manual, as well as relevant sections of the manuals for any connected equipment and accessories.

  • Page 11: Get Started

    Get started Device description Tegramin-20 is a semi-automatic or manual machine for materialographic preparation (grinding/polishing) for 200 mm diameter preparation disc. The operator selects the preparation method, the grinding/polishing surface and the cooling fluid/abrasive suspension to be automatically applied.
  • Page 12 For models with cover, the machine stops if the cover is opened, unless Allow operation with cover open is selected. If the emergency stop is activated, the power to all moving parts is cut. Tegramin-20 models: • With cover •...

  • Page 13: Overview

    3   Get started Overview Front view A Dosing nozzle C Bowl and bowl liner B Splash guard D Emergency stop E Control panel Tegramin-20...
  • Page 14 3   Get started Footprint A Adjustment screw for the specimen mover plate height B Horizontal adjustment screw Tegramin-20...
  • Page 15 N Water outlet pipe F Power supply connection O Holders for dosing tubes G USB port, for service purposes P Throttle valve, flushing water for OP H Recirculation cooling unit Q Water valve, for wet grinding connection Connection for shift valve Tegramin-20...

  • Page 16: Emergency Stop

    A dummy plug must be in place for the machine to operate without a cover installed. Emergency stop WARNING Do not use the emergency stop for operational stop of the machine during normal operation. Before you release the emergency stop, investigate the reason for activating the emergency stop and take any necessary corrective action. Tegramin-20...

  • Page 17: Installation

    Lift the top part of the crate. Use a 4 mm Allen key to remove the metal brackets securing the machine to the pallets. Check the packing list Optional accessories may be included in the packing box. The packing box contains the following items: Tegramin-20...

  • Page 18: Lift The Machine

    Instruction Manual set Lift the machine CRUSHING HAZARD Take care of your fingers when handling the machine. Wear safety shoes when handling heavy machinery. Weight Tegramin-20 without cover 52.5 kg (116 lbs) Tegramin-20 with cover 58 kg (128 lbs) Tegramin-20...
  • Page 19 Lifting straps on the machine without cover Use a lifting bar to keep the 2 straps apart below the lifting point. Place the machine on the workbench. Lift the front of the machine and carefully move it into place using the rollers. Tegramin-20...

  • Page 20: Location

    Make sure that the work station has adequate lighting. Avoid direct glare (dazzling light sources within the operator's line of vision) and reflected glare (reflections of light sources). A minimum of 300 Lumen is recommended to illuminate the controls and other work areas. Tegramin-20...

  • Page 21: Power Supply

    The electrical power supply socket must be easy to access. The electrical power supply socket must be located at a height ranging from 0.6 m to 1.9 m (2½” to 6’) above floor level. Not higher than 1.7 m (5’ 6”) is recommended. Tegramin-20...

  • Page 22: Single-Phase Supply

    Water for wet grinding is supplied from the main water supply or from a recirculation cooling unit (optional). 4.6.1 Connect the machine to the water supply Note The cold-water supply must have a head pressure in the range: 1 -10 bar (14.5 - 145 Tegramin-20...

  • Page 23: Connect The Machine To The Waste Water Outlet

    Connect the compressed air hose to the compressed air inlet on the machine, and fit the other end to the shift valve labeled Connect to Tegramin. Connect the plug to the socket on the rear of the machine labeled Shift valve. Tegramin-20...

  • Page 24: Adjust The Water Flow

    When you connect the machine to both the water supply and the recirculation cooling unit, you must also install the shift valve for the drain. Failure to do this may result in emptying or overflowing the recirculation cooling unit. Tegramin-20...

  • Page 25: Connect The Recirculation Unit To The Water Inlet

    Make sure that the hose slopes downward towards the waste water drain throughout its entire length.If needed, shorten the hose. 4.7.3 Connect the communication cable • Connect the communication cable from the control box of the recirculation cooling unit to the socket on the back of the machine. Tegramin-20...

  • Page 26: Compressed Air

    Slide the dosing modules into the correct place on the rear of the machine as shown in the picture below. Secure the modules with the supplied screws. Connect the short piece of tube with the 90° angle and the clear tube to the connectors on the rear of the machine. Tegramin-20...
  • Page 27 A OP flush water connector B Cap To mount the module with an OP pump: Push the connector disc inwards and remove the blue cap from the OP flush water connector. Lead the tube from the OP pump (Pump No. 7). Tegramin-20...

  • Page 28: Mount The Preparation Disc

    The processing time may increase. Semi-automatic preparation To lower the noise, decrease the rotational speed and/or the force with which the specimens are pressed against the preparation surface. The processing time may increase. Tegramin-20...

  • Page 29: Transport And Storage

    • Package the unit securely before transportation. Insufficient packaging could cause damage to the unit and will void the warranty. Contact Struers Service. • We recommend that you use the original packaging and fittings.

  • Page 30: Configuration

    6   Configuration Configuration Prepare the device 6.1.1 Control panel functions CAUTION Keep clear of rotating parts during operation. CAUTION When working at machines with rotating parts, take care to prevent clothes and/or hair from being caught by the rotating parts. Tegramin-20...
  • Page 31 This button is only active if a dosing module is installed. Lower/Raise Lowers and raises the specimen mover head. Rotate Rotates the specimen mover plate. Escape • Press this button to return to the previous screen or to cancel functions/changes. Tegramin-20...

  • Page 32: Start The Machine The First Time

    The first time you turn on the machine, you are asked to select the desired language. Use the turn/push knob to select your language and accept your changes. Set the date and time Use the turn/push knob to select and adjust the date and time. Tegramin-20...

  • Page 33: The Display

    B Information fields: This area informs you about any parameters and values associated with the process indicated in the heading. Navigating in the display Use the buttons on the control panel to navigate in the display. Control panel functions ►30. Tegramin-20...

  • Page 34: Sound Signals

    A long beep, when you press a button, indicates that the key cannot be activated at the moment. Long beep You cannot disable this beep. 6.1.5 Edit values Edit numeric values Turn the knob to select the value you want to change. Tegramin-20...
  • Page 35 Turn the knob to increase or decrease the numeric value (or to toggle between the two options). Push the knob to accept the new value. If you press Esc, the changes are reversed to the original value. Edit alphanumeric values Turn the knob to select the text value you want to change. Tegramin-20...

  • Page 36: Change The Language

    Press Esc to accept the option and return to the previous menu, or turn the knob to select and edit other options in the menu. Change the language From the Main menu, select Configuration. Select Options. Select Language. Press the knob to open the language selection menu. Tegramin-20...

  • Page 37: Change The Settings

    Development: You can select, view and edit methods. • Configuration: You can select, view and edit methods. You can also configure bottles. Change the operation mode From the Main menu, select Configuration. Select Options. Select Operation mode. Select Pass code. Tegramin-20...

  • Page 38: New Pass Code

    Change the pass code to the desired digits. Press the knob to select Configuration. Select the desired Operation mode. 10. Press the knob to save your settings. New pass code To create a new pass code: From the Main menu, select Configuration. Select Options. Select Operation mode. Tegramin-20...

  • Page 39: Bottle Configuration

    Restart the machine and enter the correct pass code. Hint Make a note of the new pass code. Bottle configuration You must configure the bottles with lubricants and suspensions before you can start using the machine. From the Main menu, select Configuration. Select Bottle configuration. Tegramin-20...
  • Page 40 Press the knob to toggle among Suspension, Lubricant, or None (if there is no dossing bottle connected). Select the relevant consumable, and turn the knob to select Type . Select the type of consumable you are using. Press the knob to save your selection. Turn the knob to access the Remaining menu. Tegramin-20...

  • Page 41: Set Up The Preparation Process

    10. Repeat the procedure for the remaining pumps. 11. Press Esc until you return to the Main menu. Set up the preparation process 6.7.1 Select a preparation mode You can select among the preparation modes from the Main menu: • Single specimen methods Tegramin-20...
  • Page 42 All method parameters are exactly the same when you initially create a method, except for the force. The relation between single specimen force and specimen holder force is 1 to 6, i.e. 30 N in single specimen mode will be 180 N in specimen holder mode and viceversa. Tegramin-20...

  • Page 43: Select A Preparation Method

    If you change a preparation surface or suspension in a method, this will be reflected in the other method. 6.7.2 Select a preparation method Open the the Single specimen methods menu. Single specimen methods Hint A small icon in the top right corner indicates the selected method type. Select a method group. Tegramin-20...

  • Page 44: Create A Preparation Method

    6   Configuration Select a method. Select a preparation method. 6.7.3 Create a preparation method Create method groups In the Method groups menu, use the knob to select a method group. Tegramin-20...
  • Page 45 6   Configuration Select New method. Select New step. Tegramin-20...
  • Page 46 Use the knob to edit the setting and push the knob to confirm the new setting, or press Esc to discard the changes. Hint An asterisk next to the method name indicates that a change has been made. Press F3 New step. Tegramin-20...

  • Page 47: Modify A Preparation Method

    Hint You can create an entire preparation method step by step. However, an easier way would be to modify an existing preparation method. All existing preparation methods, including Struers Metalog Guide methods can be modified. 6.7.4 Modify a preparation method Select the preparation method you want to modify.

  • Page 48: Set The Dosing Levels

    6.7.5 Set the dosing levels When you use suspensions and/or lubricants in a preparation step, first you need to select the type of suspension or lubricant, and select the dosing level afterward. Tegramin-20...

  • Page 49: Lock And Unlock A Preparation Method

    6.7.6 Lock and unlock a preparation method Lock methods to avoid accidental changes or deletion of a preparation method. Open the Method groups menu. Select the method you want to lock. Press F1 Change status. Tegramin-20...

  • Page 50: Reset Functions

    It may be necessary to reset certain functions to factory settings using the Reset functions menu. For example, when exchanging dosing modules which have a different pump configuration (e.g. mounting a dosing module with 1 DP pump in place of a 2 DP dosing module). From the Main menu, select Maintenance. Tegramin-20...

  • Page 51: Reset Methods

    6   Configuration Select Reset functions. In the Reset functions menu, you have the following options: – Reset methods – Reset configuration 6.8.1 Reset methods In the Reset methods screen, you have 2 different options: Tegramin-20...

  • Page 52: Reset Configuration

    Select the function you need to reset. Note If you reset methods, they are deleted and you cannot reestablish them. 6.8.2 Reset configuration To reset you configuration data. to default parameters: Select Reset configuration. Restart the machine. Reconfigure the settings. Tegramin-20...

  • Page 53: Operate The Device

    Close the cover. Press Start. Stop the process The process stops automatically when the set preparation time has expired. • To stop the process before the set preparation time has expired, press Stop. The spin function Use the built-in spin function: Tegramin-20...

  • Page 54: The Specimen Mover

    The distance between the preparation disc and the specimen mover plate should be about 2 mm. To adjust the distance, see Adjust the height of the specimen mover plate ►54. 7.4.4 Adjust the height of the specimen mover plate Main menu Tegramin-20...
  • Page 55 7   Operate the device From the Main menu, select Maintenance. Select Calibration and adjustments. Select Adj. of specimen mover plate height. Follow the on-screen instructions. Turn the Allen key clockwise to increase the gap. Turn the Allen key counter-clockwise to reduce the gap. Tegramin-20...

  • Page 56: Adjust The Horizontal Position Of The Specimen Mover Plate

    If you need to grind using coarse abrasives, follow these recommendations to improve the planeness of your specimens: • Use the smallest grain size possible (bear in mind that this will increase the overall preparation time). • Use a mounting resin with a wear resistance similar to the specimens wear resistance. Tegramin-20...

  • Page 57: Manual Preparation

    When the disc is rotating, make sure your hands are kept completely clear of its periphery and out of the splash bowl. WARNING Always use goggles, gloves and other recommended protective clothing. Procedure From the Main menu, select Manual preparation. Tegramin-20...
  • Page 58 The disc will start turning at the preset speed and dosing will commence. – The preparation stops automatically when the preset time expires. Note If you want to stop the disc and/or dosing before the time has expired, press Stop. Tegramin-20...

  • Page 59: Maintenance And Service

    Clean the machine and all accessories thoroughly. Daily • Clean all accessible surfaces with a soft, damp cloth. • Check the bowl liner and clean or dispose of it when it is filled with debris. 8.2.1 Clean the bowl From the Main menu, select Maintenance. Tegramin-20...

  • Page 60: Weekly

    Weekly Clean all accessible surfaces with a soft damp cloth and common household detergents. For heavy duty cleaning, use Struers Cleaner. Remove the preparation tube and the bowl liner. See Clean the bowl ►59.

  • Page 61: Clean The Tubes

    Use the Cleaning of specimen mover head to clean the feet applying force onto the specimens, and the lock that secures the specimen mover plate for single specimens. Procedure From the Main menu, select Maintenance. Select Cleaning of specimen mover head. Tegramin-20...

  • Page 62: Empty The Water/Oil Filter

    Select F2 to activate the lock. Note Do not try to force any of the movements. If the components do not move as they should, contact Struers Service. 8.3.3 Empty the water/oil filter The machine is fitted with a water/oil filter that removes excessive amounts of water and oil from the compressed air supply.

  • Page 63: Annually

    The safety devices must be tested at least once a year. WARNING Do not use the machine with defective safety devices. Contact Struers Service. WARNING Safety critical components must be replaced after a maximum lifetime of 20 years. Contact Struers Service.
  • Page 64 8   Maintenance and service Procedure From the Main menu, select Maintenance. Select Calibration and adjustments. Select Calibration of pump capacity. Tegramin-20...
  • Page 65 10. Enter the measured amount of water, and confirm the new value by selecting Save & Exit. The machine recalculates the dosing levels based on the value you entered. 11. If necessary, repeat the process for the other bottles. Tegramin-20...

  • Page 66: Adjust Tube Cleaning Time

    Therefore, the cleaning times can be adjusted e.g. if the tubes have been shortened after installing the dosing units. To adjust the tube cleaning time: From the Main menu, select Maintenance. Select Calibration and adjustments. Select Adjustment of tube cleaning time. Tegramin-20...

  • Page 67: Change The Tubes

    Change the tubes When you use alcohol-based lubricants, the Novoprene tubes mounted in the pumps will harden over time. Silicone has a better resistance against alcohol. You can replace the tubes with the set of silicone tubes supplied with the unit. Tegramin-20...
  • Page 68 Disconnect the opposite end of the tube from the machine.(A) Press the two tabs at the base of the pump (B), and remove the pump from the shaft. Press the two tabs on the pump (C), and remove the bottom cover. Tegramin-20...

  • Page 69: The Service Information Menu

    14. Make sure that the tubes are connected correctly so that liquid is pumped to the machine. The Service information menu Service information is read-only information. The machine settings cannot be changed. Service information can be used in cooperation with Struers Service for remote diagnostics of the equipment. The service information is available only in English.

  • Page 70: Spare Parts

    If you have technical questions or when you order spare parts, state the year of production. The year of production is engraved on the cylinder frame. For further information, or to check the availability of spare parts, contact Struers Service. Contact information is available on Struers.com.

  • Page 71: 10 Troubleshooting

    The belt must be tightened. Noise when the machine starts, or The belt is not tight enough. the turntable will not turn. Contact Struers Service. Turn the main switch The main switch is off. The machine does not operate when the start switch is pressed.

  • Page 72: Error Messages

    ►24. The solenoid valve must be replaced. Cooling water drips after stop. Defect in the solenoid valve. Contact Struers Service. The coupling must be Worn coupling on either replaced. Continuous, irregular wear on a specimen holder / mover plate grinding / polishing surface.
  • Page 73 Configuration menu. When you create a method, it is Press Enter to acknowledge the not possible to combine a user message and choose a different defined suspension with an suspension (or surface). incompatible surface. Tegramin-20...
  • Page 74 Select the tube(s) you want to clean, then select cleaning again. The emergency stop has been activated, but the 24V control Contact Struers Service. power is not disconnected. The emergency switch has been activated, but the 24V control Contact Struers Service.
  • Page 75 Press START again. If the error remains, contact Struers Service. The end stops of the specimen mover head are not adjusted Contact Struers Service. correctly. Press Enter to acknowledge the message. Switch off the machine. Remove the pump module in question and There is no electrical connection slide back in position again.
  • Page 76 Restart the machine. high or too low (24 V DC +/- If the error remains, contact 10%). Struers Service. Press Enter to acknowledge the message. 24 V DC supply voltage out of 10% range. The power supply Restart the machine.
  • Page 77 (controlled by Restart the machine. the machine's PCB) has not If the error remains, contact been activated. Struers Service. Press Enter to acknowledge the message. An error in the frequency inverter Restart the machine. is detected. (The codes shown...
  • Page 78 If the error remains, contact Struers Service. Press Enter to acknowledge the message. The machine can be used to Electrical input error e.g. “BP 2”. perform manual preparations but will be unable to perform automatic preparations. Contact Struers Service. Tegramin-20...

  • Page 79: 11 Technical Data

    Action Press Enter to acknowledge the message. Restart the machine. Malfunction of the emergency If the error remains, contact stop. Struers Service. Do not attempt to operate the machine with a defective emergency stop. 11 Technical data 11.1 Technical data...
  • Page 80 LCD, TFT-color 5.7", 320 x 240 dots with LED back light Safety standards CE-labeled according to EU directives REACH For information about REACH, contact your local Struers office. Operating environment Surrounding temperature 5-40°C (41-104°F) Humidity 35-85 % RH non- condensing Tegramin-20...
  • Page 81 Class 5.6.4. or better, as specified in ISO 8573-1 Air inlet, compressed air, connection Diameter: 6 mm ( ¼") Exhaust (with cover only) Connection Diameter: 50 mm (2") Recommended capacity 50 m³/h (1750 ft³/h) at 0 mm water gauge Tegramin-20...

  • Page 82: Safety Related Parts Of The Control System (Srp/Cs)

    Width 60 cm (23.6") Depth 65 cm (25.6") Weight 58 kg (128 lbs) 11.2 Safety Related Parts of the Control System (SRP/CS) WARNING Safety critical components must be replaced after a maximum lifetime of 20 years. Contact Struers Service. Tegramin-20...

  • Page 83: Diagrams

    SRP/CS (safety-related parts of a control system) are parts that have an influence on safe operation of the machine. Note Replacement of safety critical components must only be performed by a Struers engineer or a qualified technician (electromechanical, electronic, mechanical, pneumatic, etc.).
  • Page 84 11   Technical data 16013052 Tegramin-20...
  • Page 85 11   Technical data 16011001 Tegramin-20...
  • Page 86 11   Technical data 16011000 Tegramin-20...

  • Page 87: Legal And Regulatory Information

    Responsibility of the manufacturer The following restrictions should be observed, as violation of the restrictions may cause cancellation of Struers legal obligations. The manufacturer assumes no responsibility for errors in the text and/or illustrations in this manual. The information in this manual is subject to change without notice. The manual may mention accessories or parts not included in the supplied version of the equipment.

  • Page 89: Declaration Of Conformity

    Based on: 16037901 D Declaration of Conformity Manufacturer Struers ApS • Pederstrupvej 84 • DK-2750 Ballerup • Denmark Name Tegramin-20 Tegramin-25 Tegramin-30 Model Function Grinding/polishing machines Type 601, 602, 603 Cat. no. 06016127, 06026127, 06016227, 06026227, 06016327, 06036127, 06016427, 06036227...
  • Page 90 Tõlked leiate aadressilt Katso käännökset osoitteesta Pour les traductions, voir Za prijevode idite na A fordítások itt érhetők el Per le traduzioni consultare www.struers.com/Library 翻 訳 については、 Vertimai patalpinti Tulkojumus skatīt Voor vertalingen zie For oversettelser se Aby znaleźć tłumaczenia, sprawdź...

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