Wax Mold Sprue Sockets for Investment Casting Assembly
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Solution Overview
Problem
The existing investment casting process faces inefficiencies in the assembly of wax molds, particularly in accurately attaching and securing wax patterns to the sprue, which requires manual guidance and time-consuming welding of each pattern individually.
Innovation Solution
A sprue with pattern supports featuring sockets that securely hold wax patterns, allowing for easier and automated assembly, where the wax patterns are positioned within the sockets and welded in place using a torch, eliminating the need for manual alignment and reducing assembly time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual guidance and individual welding of each pattern to the sprue is used, then precise placement can be achieved, but assembly time and operational complexity increase significantly
Solution Approach 1:
The sprue is pre-formed with multiple sockets at predetermined locations and orientations before assembly. These sockets serve as pre-positioned receptacles that guide the placement of wax patterns, eliminating the need for manual measurement and alignment during assembly. The patterns are simply inserted into the pre-prepared sockets, significantly reducing assembly time while maintaining precise placement.
Solution Approach 2:
The sockets act as intermediary elements between the sprue and the wax patterns. Rather than directly attaching patterns to the sprue surface, the sockets provide a mediating structure that facilitates accurate positioning and secure attachment. The patterns are received by and attached to the sockets, which in turn are integrated with the sprue, simplifying the overall assembly process.
2Strength
If manual guidance and individual welding of each pattern is performed, then secure attachment can be achieved, but device complexity and operational difficulty increase
Solution Approach 1:
Multiple individual welding operations are merged into a single integrated socket structure. Instead of performing separate welding operations for each pattern attachment, all patterns are received by and welded to the unified sprue structure through its sockets. This reduces operational complexity while maintaining secure attachment of each pattern.
Solution Approach 2:
The sockets serve as intermediary attachment points that simplify the welding process. Rather than welding each pattern directly to the complex sprue structure, the sockets provide standardized, pre-positioned attachment points that make the welding operation simpler and more consistent, reducing operational difficulty while ensuring secure attachment.
3Adaptability or versatility
If traditional marking and alignment methods are used, then flexibility in pattern placement can be maintained, but manufacturing precision and assembly speed decrease
Solution Approach 1:
The sockets are pre-formed in the sprue at exact predetermined locations and orientations during sprue manufacturing. This preliminary positioning ensures high manufacturing precision for pattern placement. The flexibility is maintained in that the socket design and distribution can be adapted to different pattern arrangements, allowing versatility while ensuring precision through the pre-established socket positions.
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
Facilitates faster and more accurate assembly of wax molds by ensuring precise placement and secure attachment of wax patterns, reducing the need for manual guidance and minimizing the time required for welding, thereby enhancing the efficiency of the investment casting process.
Implementation Method 1
heating an interface between each socket and wax pattern to weld the wax patterns into the respective sockets
Implementation Method 2
melt the wax on the gate and sprue to 'weld' the gate/pattern to the sprue
Implementation Method 3
heating an interface between each socket and wax pattern to weld the wax patterns into the respective sockets
Data Source
AI summary
A wax mold for investment casting includes a sprue having at least one pattern support. The pattern support includes a plurality of sockets formed therein. The wax mold further includes a plurality of wax patterns. Each wax pattern has a portion received in a respective one of the plurality of sockets to support the wax patterns on the at least one pattern support.