3D Chocolate Printing Seed Layer Crystal Control
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Solution Overview
Problem
Current 3D chocolate printing technologies fail to produce structures with a high percentage of cocoa butter type V crystal structures, resulting in chocolates that lack resistance to elevated temperatures and desirable properties like snap, surface finish, and texture, due to the need to heat chocolate above the type VI crystal structure melting point, which causes the chocolate to lose temper.
Innovation Solution
A method involving printing a molten chocolate layer onto a base layer with a type V cocoa butter crystal structure, where the base layer acts as a crystal seed, allowing the molten chocolate to solidify and adopt the desired crystal structure, thereby maintaining the temper and achieving a type V crystal structure in the printed chocolate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If chocolate is heated above the type VI crystal structure melting point for printing, then the chocolate flows with sufficient ease for printing, but the chocolate loses temper and fails to maintain type V crystal structure
Solution Approach 1:
A base layer with desired type V crystal structure is prepared in advance before printing. This pre-prepared crystalline base serves as a template that will influence the crystal structure of subsequently deposited chocolate layers, ensuring the final product maintains proper temper without requiring excessive heating.
Solution Approach 2:
The printing process uses controlled heating parameters that are sufficient to melt only the lowest melting point crystal types (I-IV) while preserving type V and type VI crystals. By carefully adjusting temperature parameters, the chocolate achieves adequate flowability for printing while retaining its temper and desired crystal structure.
2Ease of manufacture
If chocolate is heated to high temperature for printing, then printing can be performed, but the printed chocolate lacks resistance to elevated temperatures and desirable properties
Solution Approach 1:
The base layer is pre-formed with the desired crystal structure before printing begins. This crystalline foundation provides a stable template that guides crystal formation in subsequent layers, ensuring the final printed chocolate maintains temperature resistance and desirable properties even after printing operations.
Solution Approach 2:
The crystalline base layer acts as an intermediary between the heating process and the final chocolate structure. It mediates the thermal effects by providing a stable crystal template that protects the overall structure from degradation, allowing printing to proceed while preserving temperature resistance.
3Ease of operation
If chocolate is heated above type VI melting point, then material flows easily for printing, but type V crystal structures are lost
Solution Approach 1:
The heating temperature is precisely controlled to fall within a specific range that melts only types I-IV crystals (providing sufficient flowability) while preserving types V and VI crystals (maintaining manufacturing precision). This parameter optimization resolves the contradiction between ease of printing and crystal structure control.
Solution Approach 2:
A base layer with established type V crystal structure is created before printing. This pre-formed crystalline structure serves as a reference template that guides subsequent crystal formation, ensuring manufacturing precision is maintained even as material is deposited during printing operations.
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
This approach ensures that the printed chocolate structures have a desirable type V cocoa butter crystal structure, retaining the temper and resulting in chocolates with improved stability, higher melting point, and desirable textural and visual characteristics.
Implementation Method 1
a base layer with a type V cocoa butter crystal structure, where the base layer acts as a crystal seed, allowing the molten chocolate to solidify and adopt the desired crystal structure
Implementation Method 2
printing a molten chocolate layer onto a base layer with a type V cocoa butter crystal structure, where the base layer acts as a crystal seed, allowing the molten chocolate to solidify
Data Source
AI summary
A method for printing a three-dimensional crystalline structure such as a chocolate layer wherein, after printing, the material has a desired crystal structure. An embodiment can include printing a liquid first layer of material with a printer onto a second layer of material having a crystal structure. Subsequently, the printed liquid first layer is processed to solidify the first layer. During the processing of the printed liquid first layer, the second layer functions as a crystal seed layer through physical contact with the printed liquid first layer and the second layer crystallizes with the crystal structure.