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Markforged WASH-1 User Manual

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WASH-1 USER GUIDE
WASH-1 USER GUIDE
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Summary of Contents for Markforged WASH-1

  • Page 1 WASH-1 USER GUIDE WASH-1 USER GUIDE...
  • Page 2 For the latest PDF version of this document, visit our support website. Copyright © 2019-2024 Markforged, Inc. All rights reserved. Changes are periodically made to the information herein which will be incorporated in revised editions of this publication.

  • Page 3: Table Of Contents

    WASH-1 USER GUIDE TABLE OF CONTENTS INTRODUCTION APPROVED SOLVENTS SAFETY NOTES LOADING SOLVENT WASH JOBS TRACK PARTS THROUGH THE WASH PROCESS LOADING GREEN PARTS UNLOADING PARTS SOLVENT MAINTENANCE DRAIN PROCEDURE ADJUSTING WASH-1 TEMPERATURE WASH-1 ALARMS HTC OVER LIMIT SVC OVER LIMIT...

  • Page 4: Introduction

    NOTE ON TERMINOLOGY This User Guide refers to the HTC RTD, which is installed in the bottom of the boil chamber of the Wash-1 station. This RTD replaces the HTC thermocouple that came installed in older versions of the Wash-1. For the purposes of this User Guide, HTC RTD will be used to refer to both components;...

  • Page 5: Safety Notes

    Opteon SF80, or Tergo Metal Cleaning Fluid (see Approved Solvents, above) and follow all handling and safety precautions within. POWER DISCONNECT ACCESS Take care to set up your Wash-1 debinding station so that the disconnecting device (i.e. the electrical plug) is accessible at all times. REDUCING RISK OF INJURY Never touch heated solvent.

  • Page 6: Loading Solvent

    Heater switch is in the position to ensure the heating elements are off, but do not unplug the unit. Carefully open the solvent container near the Wash-1 station and place container on top of the Wash-1, on the right-hand side.
  • Page 7 WASH-1 USER GUIDE Open the lid of the immersion chamber. Place the (smooth) inlet tube of the siphon into the solvent tank. Place the (ribbed) outlet tube in the immersion chamber near the cooling coils.
  • Page 8 WASH-1 USER GUIDE Close the siphon release valve and begin to pump until solvent flows through the siphon into the Wash-1.
  • Page 9 Fill the immersion chamber with solvent and let overflow into the boil chamber until the boil chamber is full to the MAX FILL line. If the Wash-1 station is empty to start, this will take about 8 gallons of solvent.

  • Page 10: Wash Jobs

    The Wash Jobs page provides a place for you to record initial and end masses of parts, allowing you to track your parts through the Wash-1 debinding process and helping you determine when a part is fully debound and ready for sintering. You can find this page by clicking the Wash Jobs link in the sidebar on the left-hand side of the page.
  • Page 11 WASH-1 USER GUIDE...

  • Page 12: Track Parts Through The Wash Process

    Weigh your printed parts on a 0.01g-resolution scale and enter their initial masses into the respective fields in the pop-up window. Eiger will then prompt you to place your selected parts into your Wash-1 station.
  • Page 13 WASH-1 USER GUIDE When the drying timer indicates that the parts have completed the drying stage, select the parts in the Drying table and select Mark Selected as Done in the top right corner of the page to send the selected parts to the Wash History table.

  • Page 14: Loading Green Parts

    Depending on your Wash-1 unit, the dashboard may look like either of the images below. Place the printed parts in the Wash-1 basket. For more details on the correct placement of parts in the Wash-1 basket, see below.
  • Page 15 (wash) stage. However, when positioning green parts in the Wash-1 basket, it’s important to ensure that they will fully drain and drip-dry. For instance, bowl-shaped parts should be washed upside-down if possible, to drain any recessed areas where solvent might accumulate.

  • Page 16: Unloading Parts

    Never reach past the top coil in the immersion chamber where solvent vapor condensate accumulates ● Close the immersion chamber lid after loading and unloading parts in the Wash-1 ● Solvent can potentially splash onto clothing, skin, or eyes when loading or unloading parts.
  • Page 17 WASH-1 USER GUIDE Slowly lift the Wash-1 basket and fit it between the top lid notches to drip-dry. Allow the parts to remain here for at least minutes. Note: This step allows excess solvent to drain from the washed parts and back into the immersion chamber;...
  • Page 18 WASH-1 USER GUIDE Open the right-hand (drying chamber) lid, place the basket containing the washed parts in the drying chamber, and close the lid. Allow the basket and parts to remain in the drying chamber for at least four hours to ensure that all remaining solvent has evaporated into the exhaust system.

  • Page 19: Solvent Maintenance

    WASH-1 USER GUIDE SOLVENT MAINTENANCE Note: Depending on your Wash-1 unit, the HTC OVER LIMIT error message may look like either of the images below. The HTC OVER LIMIT alarm displays when the boil chamber thermocouple reports a solvent temperature greater than 130°F (55°C).
  • Page 20 OLDER WASH-1 UNITS Older Wash-1 units do not have a MAX FILL line. When the boil chamber is empty, it takes about 8 gallons of solvent to fill the chamber sufficiently.

  • Page 21: Drain Procedure

    Heater toggle to turn on the Wash-1 heating elements. WATER SEPARATOR DRAIN You do not need to drain the water separator at all unless fully draining the Wash-1 of fluid. In that case, follow steps 1-3 in the Water Drain subsection, above, but for the WATER SEPARATOR drain.

  • Page 22: Adjusting Wash-1 Temperature

    Note: Depending on your Wash-1 unit, the dashboard may look like either of the images below. To determine the functionality of the heating and cooling elements, and to monitor temperature levels within the unit, follow one of the paths listed below. Note that the path and screen contents depend on your Wash-1 unit. ●...
  • Page 23 If you do not intend to use your Wash-1 for an extended period of time, we recommend deactivating the heating elements but leaving the unit powered up so that the condenser coils continue cooling.

  • Page 24: Wash-1 Alarms

    The High Temperature Control (HTC) OVER LIMIT alarm indicates when the boil chamber thermocouple reports a solvent temperature greater than 130°F (55°C). When the alarm sounds, the Wash-1 heaters immediately shut off. Therefore it is important to address any HTC OVER LIMIT alarm as soon as possible.

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