2 posts tagged with "Pressure Advance"

Achieving high-quality 3D prints relies heavily on precise printer calibration. Without it, you'll encounter common issues like stringing, poor bed adhesion, and inaccurate dimensions. Calibration is the foundation for consistent, reliable, and excellent print results.

OrcaSlicer is an advanced, open-source slicing software with powerful built-in calibration tools. This guide will help you use the latest stable releases of OrcaSlicer (typically versions 2.3.0 or recent 2.3.1 nightly builds) to fine-tune your printer. We'll cover Temperature, Flow Rate, Pressure Advance, Retraction, Tolerance, Max Volumetric Speed, and Vertical Fine Artifacts (VFA) calibrations. These tests are designed to be performed in a specific order, progressively improving your print quality.

Understanding OrcaSlicer: Your Calibration Hub​

OrcaSlicer offers advanced features like precise wall control, "sandwich mode" for better surface finish, "polyholes conversion" for complex geometries, and seamless integration with Klipper, OctoPrint, and PrusaLink. It provides granular control while remaining user-friendly with drag-and-drop design and pre-made printer profiles.

Accessing Calibration Tools in OrcaSlicer​

Most calibration features are in the "Calibration" menu. After completing any calibration test, always create a new project. This ensures OrcaSlicer exits calibration mode and resets parameters for your next prints.

Overview of Pressure Advance​

Imagine you're drawing with a pen that sometimes spills too much ink and other times barely any. In 3D printing, something similar could happen when your printer moves fast and changes its speed– it can mess up how much plastic comes out.

But why does your printer sometimes mess up how much plastic comes out?

In a 3D printer, the filament comes out based on how much pressure is inside the nozzle. It's like a garden hose; you need enough water pressure before the water sprays out. When the printer speeds up or slows down, like when going around corners, it takes a bit for the nozzle pressure to catch up. If the printer moves too fast too soon, not enough filament comes out. And if it slows down too quickly, too much filament comes out. This can make the corners of your print look a bit messy because the printer didn't adjust the filament flow just right for the speed changes.

And here's where Pressure Advance steps in. It's a smart feature that compensates for these changes, ensuring the right amount of filament is extruded as the printer speeds up or slows down. With Pressure Advance, your printer can better handle speed transitions, leading to smoother, sharper prints, especially at those tricky corners.