Dual Discharge Opening 3D Printing Apparatus
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Solution Overview
Problem
Existing technologies for producing three-dimensional objects from deformable materials are relatively inflexible, limiting their application and ability to discharge varying quantities of material.
Innovation Solution
The apparatus features two discharge openings with different cross-sections, allowing for independent control of material discharge, enabling the production of both fine surfaces and large structures with high precision and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single discharge opening is used, then the apparatus structure is simple, but the flexibility to discharge varying quantities of material is limited
Solution Approach 1:
The single discharge opening is divided into two separate discharge openings with different cross-sections. This segmentation allows independent control of material discharge quantity through each opening, enabling flexible application for both fine surfaces and large structures while maintaining a relatively simple overall apparatus structure.
2Productivity
If a discharge opening with large cross-section is used, then large quantities of material can be discharged quickly, but fine surface production is compromised
Solution Approach 1:
The discharge system is segmented into two openings with different cross-sectional areas. The first discharge opening with larger cross-section enables high productivity for large structures, while the second discharge opening with smaller cross-section ensures fine surface quality. Both can operate independently or simultaneously.
Solution Approach 2:
Different discharge openings are provided with different local properties (cross-sectional sizes) to match different production requirements. The larger opening serves areas requiring high material flow, while the smaller opening serves areas requiring precision and fine surface finish.
3Productivity
If the apparatus is designed to discharge material continuously, then production efficiency is high, but the ability to move between points without material discharge is limited
Solution Approach 1:
Both discharge openings are equipped with closing devices that can selectively close or open each opening independently. This dynamic control allows the apparatus to switch between material discharge mode and movement mode, enabling the apparatus to move between points without discharging material while maintaining high production efficiency when needed.
Data Source
AI summary
An apparatus (1) for producing three-dimensional objects (2) from a deformable material (4) has the following features:a housing (3) that has a chamber (21) for receiving the deformable material (4);a feed device (5) for feeding the deformable material (4) into the chamber (21) of the housing (3);a first discharge opening (7) for discharging the deformable material (4) from the chamber (21) of the housing (3);a first closing device (8) for selectively closing and opening the first discharge opening (7), said device (8) having a cavity (22) connected via at least one connecting bore (23) to the chamber (21) of the housing (3);a second discharge opening (11) which has a smaller cross-section than the first discharge opening (7), for discharging the deformable material (4) from the cavity (22) of the first closing device (8), and a second closing device (24) for selectively closing and opening the connecting bore (23).