Interchangeable Mold Inserts with Integrated Cooling Bodies
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Solution Overview
Problem
Injection molding machines with interchangeable mold inserts face increased cycle times and decreased productivity due to inhibited heat transfer during the cooling process.
Innovation Solution
The integration of cooling bodies that can be attached to interchangeable mold inserts, allowing coolant to flow through them for enhanced heat transfer, which are compatible with existing mold inserts and support insert-eject functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If interchangeable mold inserts are used, then adaptability is improved, but heat transfer is inhibited and productivity decreases
Solution Approach 1:
The mold is divided into separate functional components: a permanent cooling body and interchangeable inserts. This segmentation allows the cooling body to remain fixed with integrated cooling channels, while only the inserts need to be changed for different products, maintaining both adaptability and efficient heat transfer
Solution Approach 2:
The cooling body acts as an intermediary component between the mold cavity and the cooling system. It provides a thermally conductive pathway that facilitates heat transfer from the moldable material through the insert, solving the heat transfer inhibition problem while preserving insert interchangeability
2Adaptability or versatility
If interchangeable mold inserts are used, then adaptability is improved, but heat transfer is inhibited and cycle time increases
Solution Approach 1:
By segmenting the mold into a permanent cooling body and interchangeable inserts, the design enables rapid insert changes without sacrificing cooling efficiency, thereby reducing cycle time while maintaining adaptability
Solution Approach 2:
The cooling body is designed with optimized thermal parameters (thermally conductive material, integrated cooling channels) that enhance heat transfer efficiency, directly reducing the cooling time portion of the cycle time while allowing insert interchangeability
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 solution significantly reduces cycle times by up to 25% while maintaining insert interchangeability, allowing for efficient production without the need for custom inserts and ensuring effective heat transfer through thermally conductive materials like silicon carbide and metals.
Implementation Method 1
coolant can flow through a cooling body to promote improved heat transfer from the moldable material and through the insert attached to the cooling body
Implementation Method 2
coolant can flow through a cooling body to promote improved heat transfer
Data Source
AI summary
A method for creating optical articles includes moving first and second mold portions relative to one another. This disclosure includes injection molds for reducing cycle times and related methods. Some molds include first and second mold portions movable relative to one another from open to closed positions in which each recess of the first mold portion cooperates with a respective recess of the second mold portion to define a chamber. Each chambers includes a first cooling body coupled to the first mold portion, a second cooling body coupled to the second mold portion, and first and second inserts removably coupled, respectively, to the first and second cooling bodies. The inserts cooperate to define a mold cavity within the chamber configured to receive a thermoplastic material. Each of the cooling bodies has an inlet, an outlet, and a fluid cavity in fluid communication with the inlet and the outlet.