Smokiness

smokiness marbled pattern of light and dark swirls on the part surface smokiness example how to identify smokiness can be diagnosed as follows swirl patterns are most visible on large flat surfaces cause inconclusive cause inconclusive troubleshooting it is recommended that you review all the possible solutions before taking action to ensure you are pursuing the best course of action if the best course of action is not apparent, try the troubleshooting options in the order listed refer part defects for more tips process, material, and accessory checks if any of these conditions apply to your print, take the corrective action and reprint to see if the problem is resolved resin expiration verify that the resin lot is not expired resin expiration dispensing and mixing protocol follow the recommended dispensing and mixing protocol for your materials overview and dispensing method cartridge dispensing docid\ fda6pra3 xhqoax3hows3 follow instructions for the dispenser you are using, paying extra attention to these items cox dual drive cartridge dispenser bulk mixing docid\ maobjiqt6krrinh11 e8d follow instructions for the mixing solution you are using a vortex, overhead, or planetary mixer , and pay extra attention to these items vortex mixer mmd mix, meter & dispense docid\ krednawccr0lra06lk 0e follow instructions for the mmd you are using and pay extra attention to the settings used par 3cm mmd stir resin if resin is susceptible to visible smokiness, additional stirring of the resin before the next print can help alleviate the issue reference smokiness /#causes to address the root problem stir resin if problems persist, please reach out to carbon support explanation & causes explanation when resin is not properly mixed, this can be visible in the finished part, similar to the swirling pattern seen in this photo of stirring two resin colors two colors of a resin not fully mixed rpu may be more susceptible to mixing issues causes resin the printing material is expired , beyond the printing range in its pot life , or has been improperly mixed , causing abnormalities in the print resin root issue problem why defect presents resin is not mixed properly resin lot is expired when resin has expired, the part a and/or b of a two part resin may be thicker than normal and may not mix properly with normal protocol mixed too quickly regardless of the mixing method used, if the process is completed too quickly, the resin will not have time to fully mix mix ratio is wrong if the part a and b of a two part resin are not mixed at the proper ratio then normal protocol may not ensure a complete mix mechanical properties of the material are also likely to be off