Feeder Fabric Anchoring via Bent-Up Edge in Core Shooter
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Solution Overview
Problem
The production of feeders with a mesh-like fabric covering the feeder opening is associated with high production costs due to the need for a specialized frame to secure the fabric, which requires additional assembly steps and resources.
Innovation Solution
Incorporating a pattern device in the core shooter that positions and bends the fabric piece during the feeder production, anchoring the fabric edge in the feeder body material, eliminating the need for a separate frame to secure the mesh-like fabric.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a specialized frame with tensioned mesh-like fabric is used to cover the feeder opening, then the fabric is securely fixed to the feeder body, but the production costs increase and the device complexity increases due to additional assembly steps
Solution Approach 1:
The patent combines the fabric fixation function with the feeder body structure itself. The mesh-like fabric is positioned in the bottom region of the feeder body during the shooting process, eliminating the need for a separate specialized frame. This merging of functions reduces device complexity while maintaining reliable fabric fixation through the integrated structure.
Solution Approach 2:
The feeder body is designed to serve multiple functions: it provides structural support, defines the feeder volume, and simultaneously acts as the mounting structure for the mesh-like fabric. The bottom region of the feeder body integrates both the feeder cavity definition and the fabric positioning function, reducing the need for separate specialized components.
2Reliability
If a specialized frame with mesh-like fabric is produced and attached in an additional assembly step, then the fabric is securely mounted, but the productivity decreases and production time increases
Solution Approach 1:
The mesh-like fabric is positioned in the bottom region of the feeder body during the initial shooting process, before the feeder is completed. This preliminary positioning of the fabric eliminates the need for subsequent assembly steps to mount the fabric, thereby increasing productivity while ensuring secure mounting through the integrated structure.
Solution Approach 2:
The production of the feeder body and the mounting of the mesh-like fabric are merged into a single shooting process. The fabric is positioned and fixed as part of the feeder body formation itself, eliminating separate assembly operations and thereby increasing production efficiency.
3Stability of the object's composition
If a frame structure is used to secure the mesh-like fabric, then the fabric remains stable during casting, but the manufacturing precision requirements increase and the production cost increases
Solution Approach 1:
The patent applies local quality by positioning the mesh-like fabric specifically in the bottom region of the feeder body where it is needed for function, rather than requiring a complete frame structure. The fabric is secured locally through the shooting material that surrounds and anchors it, reducing the need for high-precision frame fabrication while maintaining stable fabric positioning during casting.
Data Source
AI summary
A method for producing a feeder (10) that is intended for use in a casting mold used for the casting of metals and comprises a feeder body (11), which encloses an inner cavity (25) as a feeder volume, consists of an exothermic and/or insulating material, has at least one lateral wall region (12) and a bottom region (13) with a feeder opening (14) arranged therein for connecting the inner cavity (25) of the feeder body (11) to the mold cavity of the casting mold during the casting operation and has a mesh-like fabric consisting of a refractory material covering over the feeder opening (14) therein, is characterized in that, in the course of the production of the feeder in a core shooter, a piece of fabric (21) of the mesh-like fabric is positioned in a pattern device (17) forming the shape of the feeder (10) in a core box (30) of the core shooter, in such a way that the peripheral region (22) of the piece of fabric (21) positioned in the bottom region (13) of the later feeder (10) is at least partially bent up in the direction of the lateral wall region (13) of the feeder body (11) and, during the shooting of the feeder (10), the bent-up peripheral region (22) is surrounded by the material shot in and is anchored in the material of the finished shot feeder (10).