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  • Have Blue [dot org] » 2011: An Extrusion Odyssey
    and resulted in the correctly shaped though oversized filament in the middle Further tweaks to the system yielded the filament at the top well within the required tolerances As you might guess this takes a few pounds of material to get the final product to size after each adjustment the system is allowed to settle down to a steady state and the resulting size is checked again This is the actual business end of the extruder and you can see the white plastic filament exiting the die and proceeding into the water bath tank Note the rectangular band heater clamped around the die itself for heating the exit nozzle The pressure gauge displays the actual extrusion pressure 2500 psi Here s a little better view of the filament entering the long water tank It s not easily visible and even in person you have to look at it for a bit to make sure you re not seeing an optical illusion but the filament is tapering slightly to a smaller diameter between the die and the water tank as it is actually being pulled further down the line Since the plastic will be nearly frozen to its final size as soon as it hits the water adjusting the distance between the water tank and the die exit is critical With this in mind note the handwheel at the lower left this will move the entire water tank left or right allowing very precise tweaks to be made to the resulting filament diameter Super clever Here s a look down the length of the water tank After exiting the water tank the filament passes over a long rack in the open air and is allowed to dry off The big upright rectangular unit is a chiller for the water tank but for such a small extrusion cooling the tank wasn t needed At the end of the rack is the puller which true to its name is what actually pulls the extruded filament through the production line For this particular run it wound up running at a speed of 50 ft min do the math extruding 5 lbs of ABS takes nearly an hour The puller has two big orange rubber belts that drive the extruded material through There s a rotary encoder on a swingarm at the top that actually measures out how many feet have been run The unit to the left is a flywheel cutter and the filament is running through the cutter die The cutter was set to chop the filament into 18 lengths or so during the setup phase so that the diameter could be easily measured without having to deal with a giant birdsnest of filament piling up Once the diameter was dialed in the cutter was turned off and the filament was directed into an empty gaylord where it was allowed to accumulate At the end of the extrusion run the fresh free end of the filament in the box was pulled off and

    Original URL path: http://haveblue.org/?p=841&replytocom=5177 (2016-04-26)
    Open archived version from archive


  • Have Blue [dot org] » 2011: An Extrusion Odyssey
    the correctly shaped though oversized filament in the middle Further tweaks to the system yielded the filament at the top well within the required tolerances As you might guess this takes a few pounds of material to get the final product to size after each adjustment the system is allowed to settle down to a steady state and the resulting size is checked again This is the actual business end of the extruder and you can see the white plastic filament exiting the die and proceeding into the water bath tank Note the rectangular band heater clamped around the die itself for heating the exit nozzle The pressure gauge displays the actual extrusion pressure 2500 psi Here s a little better view of the filament entering the long water tank It s not easily visible and even in person you have to look at it for a bit to make sure you re not seeing an optical illusion but the filament is tapering slightly to a smaller diameter between the die and the water tank as it is actually being pulled further down the line Since the plastic will be nearly frozen to its final size as soon as it hits the water adjusting the distance between the water tank and the die exit is critical With this in mind note the handwheel at the lower left this will move the entire water tank left or right allowing very precise tweaks to be made to the resulting filament diameter Super clever Here s a look down the length of the water tank After exiting the water tank the filament passes over a long rack in the open air and is allowed to dry off The big upright rectangular unit is a chiller for the water tank but for such a small extrusion cooling the tank wasn t needed At the end of the rack is the puller which true to its name is what actually pulls the extruded filament through the production line For this particular run it wound up running at a speed of 50 ft min do the math extruding 5 lbs of ABS takes nearly an hour The puller has two big orange rubber belts that drive the extruded material through There s a rotary encoder on a swingarm at the top that actually measures out how many feet have been run The unit to the left is a flywheel cutter and the filament is running through the cutter die The cutter was set to chop the filament into 18 lengths or so during the setup phase so that the diameter could be easily measured without having to deal with a giant birdsnest of filament piling up Once the diameter was dialed in the cutter was turned off and the filament was directed into an empty gaylord where it was allowed to accumulate At the end of the extrusion run the fresh free end of the filament in the box was pulled off and wound onto spools

    Original URL path: http://haveblue.org/?p=841&replytocom=18265 (2016-04-26)
    Open archived version from archive

  • Have Blue [dot org] » 2011: An Extrusion Odyssey
    resulted in the correctly shaped though oversized filament in the middle Further tweaks to the system yielded the filament at the top well within the required tolerances As you might guess this takes a few pounds of material to get the final product to size after each adjustment the system is allowed to settle down to a steady state and the resulting size is checked again This is the actual business end of the extruder and you can see the white plastic filament exiting the die and proceeding into the water bath tank Note the rectangular band heater clamped around the die itself for heating the exit nozzle The pressure gauge displays the actual extrusion pressure 2500 psi Here s a little better view of the filament entering the long water tank It s not easily visible and even in person you have to look at it for a bit to make sure you re not seeing an optical illusion but the filament is tapering slightly to a smaller diameter between the die and the water tank as it is actually being pulled further down the line Since the plastic will be nearly frozen to its final size as soon as it hits the water adjusting the distance between the water tank and the die exit is critical With this in mind note the handwheel at the lower left this will move the entire water tank left or right allowing very precise tweaks to be made to the resulting filament diameter Super clever Here s a look down the length of the water tank After exiting the water tank the filament passes over a long rack in the open air and is allowed to dry off The big upright rectangular unit is a chiller for the water tank but for such a small extrusion cooling the tank wasn t needed At the end of the rack is the puller which true to its name is what actually pulls the extruded filament through the production line For this particular run it wound up running at a speed of 50 ft min do the math extruding 5 lbs of ABS takes nearly an hour The puller has two big orange rubber belts that drive the extruded material through There s a rotary encoder on a swingarm at the top that actually measures out how many feet have been run The unit to the left is a flywheel cutter and the filament is running through the cutter die The cutter was set to chop the filament into 18 lengths or so during the setup phase so that the diameter could be easily measured without having to deal with a giant birdsnest of filament piling up Once the diameter was dialed in the cutter was turned off and the filament was directed into an empty gaylord where it was allowed to accumulate At the end of the extrusion run the fresh free end of the filament in the box was pulled off and wound

    Original URL path: http://haveblue.org/?p=841&replytocom=20637 (2016-04-26)
    Open archived version from archive

  • Have Blue [dot org] » 2011: An Extrusion Odyssey
    and resulted in the correctly shaped though oversized filament in the middle Further tweaks to the system yielded the filament at the top well within the required tolerances As you might guess this takes a few pounds of material to get the final product to size after each adjustment the system is allowed to settle down to a steady state and the resulting size is checked again This is the actual business end of the extruder and you can see the white plastic filament exiting the die and proceeding into the water bath tank Note the rectangular band heater clamped around the die itself for heating the exit nozzle The pressure gauge displays the actual extrusion pressure 2500 psi Here s a little better view of the filament entering the long water tank It s not easily visible and even in person you have to look at it for a bit to make sure you re not seeing an optical illusion but the filament is tapering slightly to a smaller diameter between the die and the water tank as it is actually being pulled further down the line Since the plastic will be nearly frozen to its final size as soon as it hits the water adjusting the distance between the water tank and the die exit is critical With this in mind note the handwheel at the lower left this will move the entire water tank left or right allowing very precise tweaks to be made to the resulting filament diameter Super clever Here s a look down the length of the water tank After exiting the water tank the filament passes over a long rack in the open air and is allowed to dry off The big upright rectangular unit is a chiller for the water tank but for such a small extrusion cooling the tank wasn t needed At the end of the rack is the puller which true to its name is what actually pulls the extruded filament through the production line For this particular run it wound up running at a speed of 50 ft min do the math extruding 5 lbs of ABS takes nearly an hour The puller has two big orange rubber belts that drive the extruded material through There s a rotary encoder on a swingarm at the top that actually measures out how many feet have been run The unit to the left is a flywheel cutter and the filament is running through the cutter die The cutter was set to chop the filament into 18 lengths or so during the setup phase so that the diameter could be easily measured without having to deal with a giant birdsnest of filament piling up Once the diameter was dialed in the cutter was turned off and the filament was directed into an empty gaylord where it was allowed to accumulate At the end of the extrusion run the fresh free end of the filament in the box was pulled off and

    Original URL path: http://haveblue.org/?p=841&replytocom=20681 (2016-04-26)
    Open archived version from archive

  • Have Blue [dot org] » 2011: An Extrusion Odyssey
    and resulted in the correctly shaped though oversized filament in the middle Further tweaks to the system yielded the filament at the top well within the required tolerances As you might guess this takes a few pounds of material to get the final product to size after each adjustment the system is allowed to settle down to a steady state and the resulting size is checked again This is the actual business end of the extruder and you can see the white plastic filament exiting the die and proceeding into the water bath tank Note the rectangular band heater clamped around the die itself for heating the exit nozzle The pressure gauge displays the actual extrusion pressure 2500 psi Here s a little better view of the filament entering the long water tank It s not easily visible and even in person you have to look at it for a bit to make sure you re not seeing an optical illusion but the filament is tapering slightly to a smaller diameter between the die and the water tank as it is actually being pulled further down the line Since the plastic will be nearly frozen to its final size as soon as it hits the water adjusting the distance between the water tank and the die exit is critical With this in mind note the handwheel at the lower left this will move the entire water tank left or right allowing very precise tweaks to be made to the resulting filament diameter Super clever Here s a look down the length of the water tank After exiting the water tank the filament passes over a long rack in the open air and is allowed to dry off The big upright rectangular unit is a chiller for the water tank but for such a small extrusion cooling the tank wasn t needed At the end of the rack is the puller which true to its name is what actually pulls the extruded filament through the production line For this particular run it wound up running at a speed of 50 ft min do the math extruding 5 lbs of ABS takes nearly an hour The puller has two big orange rubber belts that drive the extruded material through There s a rotary encoder on a swingarm at the top that actually measures out how many feet have been run The unit to the left is a flywheel cutter and the filament is running through the cutter die The cutter was set to chop the filament into 18 lengths or so during the setup phase so that the diameter could be easily measured without having to deal with a giant birdsnest of filament piling up Once the diameter was dialed in the cutter was turned off and the filament was directed into an empty gaylord where it was allowed to accumulate At the end of the extrusion run the fresh free end of the filament in the box was pulled off and

    Original URL path: http://haveblue.org/?p=841&replytocom=1335224 (2016-04-26)
    Open archived version from archive

  • Have Blue [dot org] » 2011: An Extrusion Odyssey
    and resulted in the correctly shaped though oversized filament in the middle Further tweaks to the system yielded the filament at the top well within the required tolerances As you might guess this takes a few pounds of material to get the final product to size after each adjustment the system is allowed to settle down to a steady state and the resulting size is checked again This is the actual business end of the extruder and you can see the white plastic filament exiting the die and proceeding into the water bath tank Note the rectangular band heater clamped around the die itself for heating the exit nozzle The pressure gauge displays the actual extrusion pressure 2500 psi Here s a little better view of the filament entering the long water tank It s not easily visible and even in person you have to look at it for a bit to make sure you re not seeing an optical illusion but the filament is tapering slightly to a smaller diameter between the die and the water tank as it is actually being pulled further down the line Since the plastic will be nearly frozen to its final size as soon as it hits the water adjusting the distance between the water tank and the die exit is critical With this in mind note the handwheel at the lower left this will move the entire water tank left or right allowing very precise tweaks to be made to the resulting filament diameter Super clever Here s a look down the length of the water tank After exiting the water tank the filament passes over a long rack in the open air and is allowed to dry off The big upright rectangular unit is a chiller for the water tank but for such a small extrusion cooling the tank wasn t needed At the end of the rack is the puller which true to its name is what actually pulls the extruded filament through the production line For this particular run it wound up running at a speed of 50 ft min do the math extruding 5 lbs of ABS takes nearly an hour The puller has two big orange rubber belts that drive the extruded material through There s a rotary encoder on a swingarm at the top that actually measures out how many feet have been run The unit to the left is a flywheel cutter and the filament is running through the cutter die The cutter was set to chop the filament into 18 lengths or so during the setup phase so that the diameter could be easily measured without having to deal with a giant birdsnest of filament piling up Once the diameter was dialed in the cutter was turned off and the filament was directed into an empty gaylord where it was allowed to accumulate At the end of the extrusion run the fresh free end of the filament in the box was pulled off and

    Original URL path: http://haveblue.org/?p=841&replytocom=1335280 (2016-04-26)
    Open archived version from archive

  • Have Blue [dot org] » 2011: An Extrusion Odyssey
    and resulted in the correctly shaped though oversized filament in the middle Further tweaks to the system yielded the filament at the top well within the required tolerances As you might guess this takes a few pounds of material to get the final product to size after each adjustment the system is allowed to settle down to a steady state and the resulting size is checked again This is the actual business end of the extruder and you can see the white plastic filament exiting the die and proceeding into the water bath tank Note the rectangular band heater clamped around the die itself for heating the exit nozzle The pressure gauge displays the actual extrusion pressure 2500 psi Here s a little better view of the filament entering the long water tank It s not easily visible and even in person you have to look at it for a bit to make sure you re not seeing an optical illusion but the filament is tapering slightly to a smaller diameter between the die and the water tank as it is actually being pulled further down the line Since the plastic will be nearly frozen to its final size as soon as it hits the water adjusting the distance between the water tank and the die exit is critical With this in mind note the handwheel at the lower left this will move the entire water tank left or right allowing very precise tweaks to be made to the resulting filament diameter Super clever Here s a look down the length of the water tank After exiting the water tank the filament passes over a long rack in the open air and is allowed to dry off The big upright rectangular unit is a chiller for the water tank but for such a small extrusion cooling the tank wasn t needed At the end of the rack is the puller which true to its name is what actually pulls the extruded filament through the production line For this particular run it wound up running at a speed of 50 ft min do the math extruding 5 lbs of ABS takes nearly an hour The puller has two big orange rubber belts that drive the extruded material through There s a rotary encoder on a swingarm at the top that actually measures out how many feet have been run The unit to the left is a flywheel cutter and the filament is running through the cutter die The cutter was set to chop the filament into 18 lengths or so during the setup phase so that the diameter could be easily measured without having to deal with a giant birdsnest of filament piling up Once the diameter was dialed in the cutter was turned off and the filament was directed into an empty gaylord where it was allowed to accumulate At the end of the extrusion run the fresh free end of the filament in the box was pulled off and

    Original URL path: http://haveblue.org/?p=841&replytocom=1335356 (2016-04-26)
    Open archived version from archive

  • Have Blue [dot org] » 2011: An Extrusion Odyssey
    and resulted in the correctly shaped though oversized filament in the middle Further tweaks to the system yielded the filament at the top well within the required tolerances As you might guess this takes a few pounds of material to get the final product to size after each adjustment the system is allowed to settle down to a steady state and the resulting size is checked again This is the actual business end of the extruder and you can see the white plastic filament exiting the die and proceeding into the water bath tank Note the rectangular band heater clamped around the die itself for heating the exit nozzle The pressure gauge displays the actual extrusion pressure 2500 psi Here s a little better view of the filament entering the long water tank It s not easily visible and even in person you have to look at it for a bit to make sure you re not seeing an optical illusion but the filament is tapering slightly to a smaller diameter between the die and the water tank as it is actually being pulled further down the line Since the plastic will be nearly frozen to its final size as soon as it hits the water adjusting the distance between the water tank and the die exit is critical With this in mind note the handwheel at the lower left this will move the entire water tank left or right allowing very precise tweaks to be made to the resulting filament diameter Super clever Here s a look down the length of the water tank After exiting the water tank the filament passes over a long rack in the open air and is allowed to dry off The big upright rectangular unit is a chiller for the water tank but for such a small extrusion cooling the tank wasn t needed At the end of the rack is the puller which true to its name is what actually pulls the extruded filament through the production line For this particular run it wound up running at a speed of 50 ft min do the math extruding 5 lbs of ABS takes nearly an hour The puller has two big orange rubber belts that drive the extruded material through There s a rotary encoder on a swingarm at the top that actually measures out how many feet have been run The unit to the left is a flywheel cutter and the filament is running through the cutter die The cutter was set to chop the filament into 18 lengths or so during the setup phase so that the diameter could be easily measured without having to deal with a giant birdsnest of filament piling up Once the diameter was dialed in the cutter was turned off and the filament was directed into an empty gaylord where it was allowed to accumulate At the end of the extrusion run the fresh free end of the filament in the box was pulled off and

    Original URL path: http://haveblue.org/?p=841&replytocom=1335741 (2016-04-26)
    Open archived version from archive



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