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Extruder filiment clamping force

Posted by ntar827

ntar827

Extruder filiment clamping force
August 12, 2015 06:17PM

Registered: 11 years ago
Posts: 60

Extruders use springs and levers to maintain a clamping force on the filament between a bearing and gear.

What clamping force should one try to obtain by compressing the spring?

Thanks

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the_digital_dentist

Re: Extruder filiment clamping force
August 12, 2015 06:39PM

Registered: 11 years ago
Posts: 5,780

Just enough so that the filament doesn't get crushed. You want a lot of tension on that clamp.

Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]

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AlexY

Re: Extruder filiment clamping force
August 13, 2015 02:52PM

Registered: 8 years ago
Posts: 166

Keep in mind that some types of filament are softer than others; you'd want greater tension for PLA, for example, than for ABS.