Markforged WASH-1 User Manual

Solvent debinding station
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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 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 SAFETY NOTES LOADING SOLVENT WASH OVERVIEW LOADING GREEN PARTS UNLOADING PARTS SOLVENT MAINTENANCE DRAIN PROCEDURE ADJUSTING WASH-1 TEMPERATURE...
  • Page 4: Introduction

    Sinter-1 furnace. If not, additional wash/dry cycles are necessary. The Wash-1 is the simplest of the three Metal X System components to install, operate, and maintain. The user must periodically replenish the boil chamber with fresh solvent, drain the water separator, and occasionally fully drain and refill the boil chamber.
  • Page 5: Safety Notes

    F. Consult the Opteon SF79 SDS 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

    Carefully open the Opteon SF79 near the Wash-1 station and place container on top of the Wash-1, on the right-hand side. Open the lid of the immersion chamber. Place the (smooth) inlet tube of the siphon into the solvent tank.
  • Page 7 WASH-1 USER GUIDE Close the siphon release valve and begin to pump until solvent flows through the siphon into the Wash-1.
  • Page 8 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 9: Wash Overview

    WASH OVERVIEW The Wash Overview feature in Eiger allows you to track your parts through the Wash-1 debinding process. The Wash Overview also allows you to record the initial and end masses of parts to help you determine when a part is fully debound and ready for sintering.
  • Page 10 WASH-1 USER GUIDE We recommend printing an additional copy of the flowchart above and posting it near your Wash-1 station. Note: To calculate % mass loss, subtract the mass of the washed (brown) part from the mass of the unwashed (green) part, then divide by the mass of the green part.
  • Page 11 The Wash Overview tool can be accessed from within the Eiger software. Log in to eiger.io in a Google Chrome browser window. Click the Wash-1 icon in the upper banner of the Eiger page. Select the Wash Overview button from the Wash-1 icon drop-down menu.
  • Page 12 The Eiger software will then prompt you to place your selected parts into your Wash-1 station. Before doing so, weigh your printed parts on a 0.01g-resolution scale and enter their initial masses.
  • Page 13 WASH-1 USER GUIDE Once all parts have been loaded in the Wash-1 station, press Next. Note: For more detailed information on how to properly load parts into the Wash-1 station, please see the section entitled Loading Green Parts.
  • Page 14 WASH-1 USER GUIDE When you click Next, each part will be moved to the In Progress tab with a timer indicating its wash duration. Click Done to return to the Wash Overview main screen. To view the parts’ progress, click In Progress on the Wash Overview main screen.
  • Page 15 WASH-1 USER GUIDE In Progress tab displays how long parts have been washing and drying in the Wash-1 station. When you have finished transferring the parts to the drying chamber, select them from the Washing list. Click Dry Selected to indicate that the drying process has begun. The parts will immediately be removed from the Washing list and added to the Drying list below.
  • Page 16 WASH-1 USER GUIDE You have the option to insert the final mass of washed parts in the End Mass (g) column of the Wash History tab. Click inside the End Mass (g) field for the part in question in order to edit it. If the final mass does not reflect the full required mass loss, a warning will be displayed providing feedback that the part has not been washed properly.
  • Page 17 WASH-1 USER GUIDE ● Move parts manually to Wash History: You can manually move a part from the Ready to Wash list to the Wash History by selecting Mark as Done Drying from the Actions drop-down menu. ● Add a part to Washing List from library:...
  • Page 18: Loading Green Parts

    Allow the Wash-1 to heat until the Ready to Wash notification appears on the dashboard. 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 19 (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 20: Unloading Parts

    Never reach past the coils 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 21 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 22 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 23: Solvent Maintenance

    With repeated use, solvent boils off and wax accumulates in the boil chamber. After a period of time, the solvent will heat to 130 F – at which point the HTC OVER LIMIT alarm will sound and the Wash-1 heater will shut off, returning the solvent to ambient (room) temperature. Follow the steps below to address the alarm:...
  • Page 24 WASH-1 USER GUIDE When the equilibrium temperature after restart is roughly 127-128 F, only 2-3 degrees below the alarm temperature, drain the boil chamber (following instructions in the Solvent Drain subsection of the Drain Procedure section below) and safely discard the wax-saturated solvent, then refill the boil chamber with...
  • Page 25: 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, for the WATER SEPARATOR drain.
  • Page 26: Adjusting Wash-1 Temperature

    The condensing coils in the Wash-1 immersion chamber will automatically begin cooling when the system is energized. The heating elements must be manually activated or deactivated. Turn the Wash-1 heating elements on or off by toggling the Heater switch on the dashboard. Note that the heaters in the Wash-1 should not be turned on without solvent loaded into the tank.

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