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Four Common Causes and Solutions of Nozzle Blockage

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3ideatech
Jan 18, 2021 10:29
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The 3D printer features high speed and high utilization rate. Although the digital operation mode has low fault rate, if the fault appears, it will not only affect the printing quality, but also waste time and filaments, and even damage the machine. At present, the most common fault of 3D printer is that the nozzle is blocked and cannot discharge. There are several reasons and solutions about nozzle fault. Given below are some of the reasons for nozzle blockage and their solutions:-

Reason 1

The residual filaments solidify and block the nozzle because the nozzle is not cleaned in time after printing.

Solution 1

First, heat the nozzle to the normal melting temperature of printing consumables; then try to insert the wire into the nozzle manually. Normally, the downward pressure of manual feeding can penetrate the consumable line and bring out the blocked debris;

Finally, if the nozzle still fails to work, try to use a 1.5mm hexagonal wrench to dredge the throat or nozzle.

(Notice: After printing, be sure empty the sprinkler to at the first time to avoid blocking.)

 

Reason 2

The consumable is broken and stuck in the conduit during the feeding process, which affects the feeding.

Solution 2

Take out the filament and cut off the damaged part of the consumable;

Then put the filament in again, pay attention to keep the smoothness of the filament.

 

Reason 3

The impurity consumables are easy to swell, which affects the normal discharge of the nozzle.

Solution 3

High-quality consumables are recommended to avoid damaging the machine.

 

Reason 4

The heating temperature of the nozzle is not up to the standard temperature, so that the nozzle cannot be worked.

 

Solution 4

Temperature parameters: if the heating temperature is set correctly and the nozzle is not heated normally, check whether the heating rod, heating resistance improper contact of circuit: check whether the nozzle heating temperature matches the consumable melting temperature; (notice: the temperature of ABS printing nozzle is between 210 ℃ - 230 ℃, and that of PLA printing nozzle is between 195 ℃ - 220 ℃.) and other circuits are in poor contact; if the cause cannot be found, it is recommended to turn off the power immediately and contact the after-sales engineer for solution.

(Notice: Different brands have own quality control, and the service life of the nozzle is different)

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3ideatech
Jan 18, 2021 10:29
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