Brake Caliper Housing Casting for Precise Mounting Flange Geometry
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Solution Overview
Problem
Current methods for manufacturing brake caliper housings are inefficient in producing components with precise features such as actuator mounting flanges, which require post-casting machining to achieve the necessary surface finishes and geometries, leading to increased production time and costs.
Innovation Solution
A method involving the use of a first and second die to cast a brake caliper housing, where the actuator mounting flange is formed with specific bosses and a snout, allowing for molten material introduction and subsequent machining to achieve the required surface roughness and geometries, reducing the need for extensive post-processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional casting methods are used to manufacture brake caliper housings, then the basic housing structure can be produced, but post-casting machining is required to achieve precise features and surface finishes, increasing production time and costs
Solution Approach 1:
The actuator mounting flange features (bosses, snout, mounting surfaces) are pre-formed during the casting process itself rather than being added later through machining. The first die includes the actuator mounting flange disposed at least partially therein, allowing these features to be created in advance during mold preparation and casting, eliminating the need for subsequent machining operations to achieve the required geometries and surface finishes
Solution Approach 2:
The casting process is merged with the formation of mounting features by integrating the actuator mounting flange directly into the first die. This combines what were previously separate operations (casting the housing body and then machining the flange features) into a single integrated process, reducing production steps and time while maintaining precision
2Manufacturing precision
If traditional casting methods are used to manufacture brake caliper housings, then the basic housing structure can be produced, but extensive post-processing machining is required, increasing manufacturing costs
Solution Approach 1:
The mounting bosses and snout geometries are pre-formed during the casting process. The first die is configured with the actuator mounting flange including first and second mounting bosses and a snout, so these precise geometric features are created in advance during mold preparation and casting, eliminating the need for costly subsequent machining operations to achieve the required dimensional accuracy
Solution Approach 2:
The formation of precise geometric features (mounting bosses, snout) is merged into the casting process itself. By integrating these features into the first die, the patent combines what were previously separate operations (casting and precision machining) into a single process, reducing manufacturing complexity and cost while maintaining geometric precision
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 enables the production of brake caliper housings with improved surface finishes and geometries, reducing production time and costs by integrating machining processes directly into the casting method, resulting in a more efficient manufacturing process.
Implementation Method 1
introducing molten material into the cavity to cast the brake caliper housing
Data Source
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AI summary
A method of making a brake caliper housing includes providing a first die and a second die that cooperate to define a cavity when disposed against each other along a mating plane. The method further includes introducing molten material into the cavity to cast the brake caliper housing. One or more surfaces of the brake caliper housing may be machined.