Adjustable 3D Printing Head for Complex Geometries
Solution Overview
Problem
Traditional 3D printing systems with moving printing heads are limited by inflexible nozzle movements and fixed angles, restricting the ability to print objects with complex geometries and reducing printing speed.
Innovation Solution
A 3D printing system with an adjustable printing head that includes a positioning system with a rotating platform and feedback system, allowing for automated movement and angle changes during the printing process, enabling printing on multiple planes and complex geometries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed angle nozzle is used in a traditional moving printing head, then the system structure is simple and easy to manufacture, but the printing head is limited to movement within an XY plane which restricts the ability to print objects with complex curvatures or geometries and limits printing speed
Solution Approach 1:
The patent applies the dynamics principle by making the nozzle angle adjustable rather than fixed. The printing head includes a movable nozzle assembly that can change its printing angle dynamically during the 3D printing process, allowing adaptation to complex geometries while maintaining a relatively simple overall structure. This resolves the contradiction by enabling versatility through dynamic adjustment rather than complex multi-axis movement.
2Productivity
If a fixed angle nozzle is used, then the device structure is simple, but the printing speed for complex objects is limited
Solution Approach 1:
The movable nozzle assembly allows the printing head to adjust its angle dynamically during printing, enabling faster deposition of complex geometries without requiring complex multi-axis movement mechanisms. This dynamic adjustment capability increases productivity while keeping the device structure relatively simple.
3Adaptability or versatility
If the printing head is restricted to XY plane movement, then the device structure is simple and reliable, but the types of 3D objects with complex geometries that can be printed are limited
Solution Approach 1:
By making the nozzle angle adjustable within the printing head, the system can print complex geometries and various types of 3D objects while maintaining simple XY plane movement. The dynamic angle adjustment enables versatility in printable objects without complicating the movement mechanism.
4Reliability
If traditional fixed angle printing is used, then the system is easy to operate and maintain, but warpage occurs in printed structures and durability is reduced
Solution Approach 1:
The adjustable nozzle angle allows optimization of printing parameters for different geometries, reducing warpage and improving structure durability. While the mechanism adds some complexity, it enables better control over printing quality and reliability, particularly for complex objects where proper angle adjustment is critical for structural integrity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the printing of complex objects with improved speed and flexibility, reducing warpage and producing robust, durable structures with increased design variety and automation efficiency.
Implementation Method 1
a nozzle coupled to the feed pipe, the nozzle having a longitudinal axis along which printing material is extruded during a printing process to form at least a portion of a 3D printed object
Implementation Method 2
The curing system can include a plurality of curing components configured to cure the printed material after the printed material has been extruded from the nozzle
Data Source
AI summary
A 3D printing system can include an extruding system, a curing system, a positioning system, and a feedback system. The extruding system can include a feed pipe coupled to a printing material source and a nozzle having a longitudinal axis along which printing material is extruded. The nozzle can extrude printing material at a printing angle between the longitudinal axis and the top surface of a layer of printing material being printed. The curing system can include light or other curing components configured to cure the printed material after extrusion. The positioning system can include a platform that supports the extruding system and a platform rotating subsystem that rotates the platform during the printing process to adjust the printing angle. The feedback system can include a processor and sensors to detect the location of the nozzle with respect to the 3D printed object or other objects in the printing area during the printing process.