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Maintenance for 3D printer

3D printer is high-precision equipment,

the precision will be influenced if you

disassemble the nozzle, so you need

adjust and position of the Z end-stop

and the spring of the hotbed again.

Calibration

Items to be adjusted

1. whether the hot bed is flat

2. height between the nozzle and

hotbed

Details：

1. Whether the hot bed is flat

There are 4 screws, see the picture

Содержание DRT

Страница 1: ...enced if you disassemble the nozzle so you need adjust and position of the Z end stop and the spring of the hotbed again Calibration Items to be adjusted 1 whether the hot bed is flat 2 height between the nozzle and hotbed Details 1 Whether the hot bed is flat There are 4 screws see the picture ...

Страница 2: ...The formation of the screw First click in the host Screw 3 Screw 4 Screw 1 Screw 2 ...

Страница 3: ...of hot bed Click 1mm every click when the nozzle fall to the position where the name card can be moved but you can feel the resistance then the height of this corner is OK click X ans Y and move the nozzle to other 3 corners move in small distance about 1mm every click ...

Страница 4: ...ed to adjust the height If the heigh is too large loosen the nut if too small tighten the nut After that your hot bed is flat now Step 2 now Height between hotbed and nozzle Firstly adjust the Z end stop upwards Z end stop ...

Страница 5: ...otbed then we adjust the end stop down in small distance every time after every adjustment press until the name card can move but you can feel the resistance then the calibration is OK tighten the screw of Z end stop PS the criteria of the height between nozzle and hot bed is that the first layer just be flattened ...

Страница 6: ... carbonized if the carbonized filament fall to the printed parts maybe your printed show would be ugly what s more the filament extruded will also adhere to the carbonized bad for your printing After print one or two times you can use knife or graver to scrape the carbonized filament or clear the nozzle with acetone ...

Страница 7: ...ill vibrate so the screw will loosen which will influence the printing Regularly check the screws and nuts including the M8 nuts hollow lock socket set screw in the pulley extruder driving gear and the Z axis coupling Need clear OK ...

Страница 8: ...3 The high temperature adhesive tape could make the printed parts adhere to the hotbed easily If the you use it for a very long time The tape might be ...

Страница 9: ...st layer is not flat So you should often change the tape 4 The driving gear is a very important set for extruder the filament During extruding some very little filament will adhere to the gear and fill the groove then the gear cannot extrude the filament fluently because the friction To be changed OK ...

Страница 10: ...u should clear the groove with little graver awl needle or any pointed objects 5 After some time the linear bearing s oil would dry and it won t move well and rust easily So you should often drop the engine oil To be cleared OK ...

Страница 11: ...6 You should also drop the engine oil to the Z axis M8 nut of both side ...

Страница 12: ...7 The belt will loosen after some time if it is too loose you should tighten them ...

Страница 13: ......