First few layers of an object print are malformed and squished Prusa i3

[Pankaj_Shanker]

Printer prints all layers, but there is little movement in the Z-axis on first several layers. The print is fine after that.

[GIFT3D]

Hey Pankaj,

This looks like a bad case of warping, but you’ve said the z axis moves slowly to begin with. I’d advise applying a little bit of grease to the area which it moves slowly on. Maybe it is gripping the axis to much.

[Jackson_Moody]

Hi!

I agree with GIFT3D in that this basically looks like a terrible case of warping. Maybe look into that? However, if you are concerned about the Z-Axis, make sure it is securely fastened. My Lulzbot Axis actually became loose and I had a similar problem. You could try grease in areas, and see how that works.

Good Luck!

Jackson

[Rementicule3D]

can you show the under side of the parts?

[btodoroff]

Material?

Bed and Extruder Temp?

Bed surface material?

A video on YouTube or such of the first row of cubes printing would be immensely helpful.

Check all the connections on your z-axis. Loose couplers, misaligned gantry, bent screws, plastic or dirt in the z-screws, steppers not aligned in the frame, loose frame or gantry screws could all cause motion to have backlash or bind at the bottom of the z-axis and then loosen up once the z-gantry gets a few millimeters up the shaft.

Printing PLA with ABS bed and nozzle temperatures, or using the wrong surface could also cause such problems.