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Mecmesin 432-680 Installation & Operation Manual

Interlocked machine guarding
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Installation & Operation of
Mecmesin Interlocked Machine
Guarding
431-971-01
June 2019

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Summary of Contents for Mecmesin 432-680

  • Page 1 Installation & Operation of Mecmesin Interlocked Machine Guarding 431-971-01 June 2019...
  • Page 2 Mecmesin  2 Mecmesin Interlocked Machine Guarding...
  • Page 3 DECLARATION OF CONFORMITY: A copy of the relevant Declarations of Conformity can be found in the rear of this manual – See Section 11. 2019 © Mecmesin Ltd, supplied with Mecmesin test systems and not for redistribution Part no. 431-971-01 Mecmesin ...

  • Page 4: Table Of Contents

    Checking the Interlock Function and Operation MultiTest-dV and OmniTest Interlock Function Test MultiTest-i Interlock Function Test Operation Scope of Use MultiTest-dV and OmniTest Interlocked Guard Examples MultiTest-i and xt Interlocked Guard Examples Responsible Use of Interlock Override Mecmesin  4 Mecmesin Interlocked Machine Guarding...
  • Page 5 Servicing, Maintenance and Repair Servicing Maintenance & Cleaning Repair Specifications Single Column Test Systems Twin Column Test Systems 10. Dimensions 11. EC Declaration of Conformity 12. Operator Notes Mecmesin  5 Mecmesin Interlocked Machine Guarding...

  • Page 6: User Manual Guidance

    Caution messages will be highlighted throughout the manual using bold text. INFORMATION The following icon indicates additional or supplementary information about the action, activity or application. Information notes will be highlighted throughout the manual using bold text. Mecmesin  6 Mecmesin Interlocked Machine Guarding...

  • Page 7: Guard Safety Overview

    Mecmesin motorised test stands are designed to be used while under constant supervision, the addition of an interlocked guard does not alter this requirement, failure to monitor a test stand in operation could lead to damage to the equipment or injury to others.

  • Page 8: Operator Safety

    Training can be arranged by contacting Mecmesin Ltd or an authorised distributor. Mecmesin test stands have the ability to generate forces large enough to cause permanent injury to human limbs, when placed between the crosshead and the base. Fingers, hands and other parts of the body should be kept away from the moving crosshead and shroud opening.

  • Page 9: Recommended Operating Position

    3.3 Recommended Operating Position Mecmesin recommends that the test stand and guard assembly are placed so that the front panel is clearly visible and can be reached. For single column test stands, this will typically require the base of the machine to be approximately at waist height.

  • Page 10: System Diagrams

    4. System Diagrams 4.1 MultiTest - 0.5 kN, 1.0 kN & 2.5 kN Below is a list of Mecmesin Interlocked Guards compatible with single column MultiTest systems (please note that only 432-682 is shown in the system diagrams):  MultiTest 0.5 kN Interlocked Guard 432-680 ...

  • Page 11: Omnitest - 5.0 Kn & 7.5 Kn

    4.2 OmniTest – 5.0 kN & 7.5 kN Below is a list of Mecmesin Interlocked Guards compatible with single column OmniTest systems:  OmniTest 5.0 & 7.5 kN Interlocked Guard 432-684 OmniTest – 5.0 kN & 7.5 kN System Diagram...

  • Page 12: Twin Column Test Stands - 10 Kn & 25 Kn

    4.3 Twin Column Test Stands – 10 kN & 25 kN Below is a list of all available 10 kN and 25 kN Mecmesin twin column test systems fitted with interlocked guards (please note that 820-010+G/820-025+G is shown in the system diagrams): ...

  • Page 13: Twin Column Test Systems - 50 Kn

    4.4 Twin Column Test Systems – 50 kN Below is a list of all available 50 kN Mecmesin twin column test systems fitted with interlocked guards (please note that only 820-050+G is shown in the system diagrams):  MultiTest-50i & Interlocked Guard 805-023+G ...

  • Page 14: Unpacking And Parts Supplied

    5.3 Packaging We strongly recommend that you retain the packaging for the machine guard as this can be re-used if the device needs to be returned to your authorised Mecmesin distributor for any servicing or modification. Mecmesin  14...

  • Page 15: Safe Handling Of Single Column Interlock Guards

    For single column test stands, a set of metric Allen keys are required to remove and refit screws supplied in the guard assembly 5.5.1 432-680, 432-681, 432-682 - MultiTest 0.5 kN, 1.0 kN, 2.5 kN Part No. Description 409-080...
  • Page 16 10 kN, 25 kN and 50 kN Twin Column Guarded Systems Part No. Description Guard Door Key 408-921 Console Arm Mounting Bracket (only required for xt-console mounting) 420-536 M8x12 Skt Cap (only required for xt-console mounting) Mecmesin  16 Mecmesin Interlocked Machine Guarding...

  • Page 17: Single Column Guard Installation

    Refer to Section 9 for the precise weight of the guard. Mecmesin recommends that a full risk assessment is carried out covering the placement and operation of the interlocked guard in conjunction with your test stand fixtures.

  • Page 18: Multitest Single Column - Installation Guide

    Using a suitable metric Allen key remove the existing fixings from the lower section of the right-angled bracket as shown in the image above. This will release the lower base plate from the guard. Mecmesin  18 Mecmesin Interlocked Machine Guarding...
  • Page 19 Remove the four rubber feet from their threaded holes located on the bottom of the MultiTest system using a suitable flat head screwdriver. This is shown in the image above. These holes will be used to mount the guard’s baseplate to the bottom of the test stand. Mecmesin  19 Mecmesin Interlocked Machine Guarding...
  • Page 20 (409-080), before locating in the threaded holes on the bottom of the test stand. This is shown in the image below. These spacers must be fitted between the guard’s baseplate and the test stand to ensure the stand is sufficiently cooled during operation. Mecmesin  20 Mecmesin Interlocked Machine Guarding...
  • Page 21 This is shown in the image above.  Interlocked guard fitting to a MultiTest-dV 2.5 kN Ensure safe handling procedures are followed when lifting the guard assembly onto the base plate. Mecmesin  21 Mecmesin Interlocked Machine Guarding...
  • Page 22 It is recommended that through bolts are used with retaining nuts on the underside of the work surface; washers should be used between the work surface and the retaining nuts. Mecmesin  22 Mecmesin Interlocked Machine Guarding...
  • Page 23 Ensuring that the cable is not trapped or close to any moving parts. Remove the plastic covering from the end of the cable and connect it to the MultiTest’s rear panel 6-way socket marked “INTERLOCK”, as shown in the image above. Mecmesin  23 Mecmesin Interlocked Machine Guarding...

  • Page 24: Omnitest Single Column - Installation Guide

    Section 6.3.1. – Rear Slid Assemble. Locate the four right-angled brackets that connect the guard to the lower base plate, these are circled in the image above. Mecmesin  24 Mecmesin Interlocked Machine Guarding...
  • Page 25 Step 4 – Removing the Guard’s Base Plate Carefully lift the upper guard away from the base plate and place it to one side on a suitable work surface. Ensure safe handling procedures are followed when lifting the guarding assembly. Mecmesin  25 Mecmesin Interlocked Machine Guarding...
  • Page 26 Once the OmniTest is located in the rear two stops, fit and secure the front foot stops using the supplied cap head screws. The secured assembly is shown in the image above. Ensure safe handling procedures are followed when lifting the Omnitest system onto the base plate. Mecmesin  26 Mecmesin Interlocked Machine Guarding...
  • Page 27 This is shown in the image above. Interlocked guard fitted to an OmniTest-5.0 kN Ensure safe handling procedures are followed when lifting the guard assembly onto the base plate. Mecmesin  27 Mecmesin Interlocked Machine Guarding...
  • Page 28 Remove the plastic covering from the end of the cable and connect it to the OmniTest’s rear panel 6-way socket marked “INTERLOCK”, as shown in the image to the right. Mecmesin  28 Mecmesin Interlocked Machine Guarding...
  • Page 29 Remove the top caps from both each side of the lower front extrusion, as shown in the images above. The cap should be moved upward to release it from the extrusion, this is displayed in the image below. Mecmesin  29 Mecmesin Interlocked Machine Guarding...
  • Page 30 The image shown includes the test stand. However, in reality, the test stand would not be in the picture at this stage of installation. Once both screws have been loosened, carefully lift the extrusion section upwards to remove. Mecmesin  30 Mecmesin Interlocked Machine Guarding...
  • Page 31 Once the OmniTest is located in the rear two stops, fit and secure the front foot stops using the supplied cap head screws. The secured assembly is shown in the image above. Ensure safe handling procedures are followed when lifting the Omnitest system onto the base plate. Mecmesin  31 Mecmesin Interlocked Machine Guarding...
  • Page 32 Pictured above is the guard, with front section and door removed, ready to be fitted to the test stand. The guard can now be slid into place from the rear of the test stand, taking care not to impact the test stand. Mecmesin  32 Mecmesin Interlocked Machine Guarding...
  • Page 33 The next step is to re-attach the front extrusion. First, position the extrusion as shown in the image above, then tighten the fixings as shown in the image below. Once the extrusion is secured, re-fit the top caps to each section. This is shown in the image below. Mecmesin  33 Mecmesin Interlocked Machine Guarding...
  • Page 34 Remove the plastic covering from the end of the cable and connect it to the OmniTest’s rear panel 6-way socket marked “INTERLOCK”, as shown in the image to the right. Mecmesin  34 Mecmesin Interlocked Machine Guarding...

  • Page 35: Xt Console Installation

    (this is highlighted in the image above). Remove the top cap from the right-hand extrusion in the direction shown by the red arrow above. Mecmesin  35 Mecmesin Interlocked Machine Guarding...
  • Page 36 Position the nut as per the image above; this should be just above the door latch. Lock the Tee-slot nut it in place using the two supplied grub screws provided into the holes highlighted above. Mecmesin  36 Mecmesin Interlocked Machine Guarding...
  • Page 37 The image above shows the mounting bracket secured to the guarding’s extrusion. When fitting, ensure the bracket is correctly aligned to the frame before securing it in place with the two supplied cap screws. Mecmesin  37 Mecmesin Interlocked Machine Guarding...
  • Page 38 It is recommended that two people are used to fit the console; one to hold the console arm and one to secure the fixing screws. Improper handling could lead to damage to the equipment or injury. Mecmesin  38 Mecmesin Interlocked Machine Guarding...
  • Page 39 It is recommended that two people are used to fit the console; one to hold the console arm and one to secure the fixing screws. Improper handling could lead to damage to the equipment or injury. Mecmesin  39 Mecmesin Interlocked Machine Guarding...

  • Page 40: Single Column Override Plug

    To activate the interlock guard, remove the override plug, ensuring it is stored in a safe location, and connect the guard’s loom to the interlock socket located on test stand’s rear connectors panel. Mecmesin  40 Mecmesin Interlocked Machine Guarding...

  • Page 41: Twin Column Guard Bung

    Once removed, pass the load cell cable through and re-fit the bung, as shown in the images below. Mecmesin strongly advices that the guard bung is left fitted to the side panel at all times during a test.

  • Page 42: Checking The Interlock Function And Operation

    The key (or override plug) should then be removed and given to an assigned supervisor or safety officer within the organisation and stored away. The key (or override plug) is still required for calibration and service requirements. Mecmesin  42 Mecmesin Interlocked Machine Guarding...

  • Page 43: Multitest-Dv And Omnitest Interlock Function Test

    Should any of the above checks fail to indicate the correct test stand state or operation, then consult your test stand's relevant user manuals. Seek assistance from a local agent or Mecmesin Technical Support if the fault cannot be rectified.

  • Page 44: Multitest-I Interlock Function Test

    Should any of the above checks fail to indicate the correct test stand state or operation, then consult your test stand’s relevant user manuals. Seek assistance from a local agent or Mecmesin Technical Support if the fault cannot be rectified.

  • Page 45: Operation

    Mecmesin motorised test stands are designed to be used while under constant supervision, the addition of an interlocked guard does not alter this requirement, failure to monitor a test stand in operation could lead to damage to the equipment or injury to others.

  • Page 46: Multitest-Dv And Omnitest Interlocked Guard Examples

    ‘INTERLOCK ACTIVE’. If the test stand is being used injunction with VectorPro, the data capture for the sample will be aborted and a warning message will be displayed. The motor drive will remain inhibited until the door is closed. Mecmesin  46 Mecmesin Interlocked Machine Guarding...
  • Page 47 ‘Interlock Active !’. This is shown in the image to the right. For more information relating to ‘Pause’ operations, please refer to your VectorPro user manual. Mecmesin  47 Mecmesin Interlocked Machine Guarding...
  • Page 48 7.2.3 VectorPro™ - Pause Operation Safety When using a ‘Pause’ function in conjunction with a Mecmesin interlocked guard, the following information should be observed: During a test, if the door is opened the test stand’s motor drive will be halted.

  • Page 49: Multitest-I And Xt Interlocked Guard Examples

    The test stand’s motor will remain restricted until the error condition is removed. To re- enable the test stand’s motor drive, close the door and press ‘OK’ on the pop-up window displayed in Emperor. See Section 7.3.1 for more information. Mecmesin  49 Mecmesin Interlocked Machine Guarding...
  • Page 50 To re-enable the test stand’s motor drive, close the door and press ‘OK’ on the pop- up window displayed in Emperor. Pressing ‘Abort’ will disconnect the test stand and the message shown below will be displayed: Mecmesin  50 Mecmesin Interlocked Machine Guarding...

  • Page 51: Responsible Use Of Interlock Override

     Test Stand Servicing – Certain service procedures will require the interlock to be overridden. Servicing is only to be undertaken by Mecmesin or an approved distributor. A full risk assessment should be carried out for the process of operating the test stand with the interlocked guard overridden.

  • Page 52: Servicing, Maintenance And Repair

    Once the guard is installed, it should provide a trusted long-term resource for safe and reliable testing. 8.1 Servicing Mecmesin guards contain no user-serviceable parts and are designed to be service free. Periodic inspection and maintenance such as cleaning and lubrication of hinges with a machine grade oil are recommended.

  • Page 53: Specifications

    9. Specifications 9.1 Single Column Test Systems Mecmesin  53 Mecmesin Interlocked Machine Guarding...

  • Page 54: Twin Column Test Systems

    9.2 Twin Column Test Systems Mecmesin  54 Mecmesin Interlocked Machine Guarding...

  • Page 55: Dimensions

    10. Dimensions Mecmesin  55 Mecmesin Interlocked Machine Guarding...
  • Page 56 Mecmesin  56 Mecmesin Interlocked Machine Guarding...
  • Page 57 Mecmesin  57 Mecmesin Interlocked Machine Guarding...
  • Page 58 Mecmesin  58 Mecmesin Interlocked Machine Guarding...

  • Page 59: Ec Declaration Of Conformity

    11. EC Declaration of Conformity Mecmesin  59 Mecmesin Interlocked Machine Guarding...
  • Page 60 Mecmesin  60 Mecmesin Interlocked Machine Guarding...

  • Page 61: Operator Notes

    12. Operator Notes Mecmesin  61 Mecmesin Interlocked Machine Guarding...
  • Page 62 Mecmesin  62 Mecmesin Interlocked Machine Guarding...
  • Page 63 Mecmesin  63 Mecmesin Interlocked Machine Guarding...
  • Page 64 Mecmesin  64 Mecmesin Interlocked Machine Guarding...
  • Page 65 Mecmesin : a world leader in affordable force and torque testing solutions Since 1977, Mecmesin has assisted thousands of companies achieve enhanced quality control in design and production. The Mecmesin brand represents excellence in accuracy, build, service, and value. In production centres and research labs worldwide, designers, engineers, operators, and quality managers endorse Mecmesin force and torque testing systems for their high performance across countless applications.

This manual is also suitable for:

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