Bearing Cup Removal Tool Frictional Clamping
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Solution Overview
Problem
The removal of a bearing cup from a bearing casting is challenging due to limited accessibility, often resulting in damage to the cup or casting during disassembly.
Innovation Solution
A bearing cup removal tool featuring a collar assembly that clamps onto the protruding bearing cup and a displacing assembly to gently extract it from the casting, minimizing damage through frictional engagement and controlled displacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional removal methods are used on fully received bearing cups, then the bearing cup can be removed, but damage to the bearing cup or bearing casting occurs
Solution Approach 1:
The collar assembly is positioned and clamped onto the protruding portion of the bearing cup before the actual removal force is applied. This preliminary positioning and securing action prepares the tool for damage-free extraction by ensuring proper engagement with the bearing cup's protruding portion, allowing controlled removal without damaging the cup or casting.
2Productivity
If force is applied to remove the bearing cup, then the cup can be extracted, but damage occurs to the cup or casting
Solution Approach 1:
The collar assembly acts as an intermediary between the displacing assembly and the bearing cup. It distributes the extraction force uniformly around the bearing cup's protruding portion through its circumferential clamping action, preventing localized stress concentrations that would cause damage to the cup or bearing casting during removal.
Solution Approach 2:
The displacing assembly applies controlled axial displacement to gradually extract the bearing cup from the casting. By controlling the displacement parameters and applying force progressively through the collar assembly rather than abruptly, the system achieves efficient removal while maintaining damage-free conditions.
3Stability of the object's composition
If the bearing cup is fully received in the bearing casting, then the assembly is complete, but removal becomes difficult and damaging
Solution Approach 1:
The tool is designed to extract only the necessary portion - the protruding portion of the bearing cup - to gain leverage for removal. By clamping onto this extracted/protruding portion rather than requiring access to the entire bearing cup, the system enables removal while maintaining the integrity of the fully received portion within the casting.
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 the safe and efficient removal of bearing cups from bearing assemblies, reducing the risk of damage to both the cup and the casting while ensuring complete disassembly.
Implementation Method 1
a collar assembly (30) configured to clamp onto a protruding portion (22p) of the bearing cup (22)
Implementation Method 2
a displacing assembly (32) operable to displace the bearing cup (22) from the bearing casting (26)
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
A bearing cup removal tool for removing a bearing cup from a bearing casting comprises a collar assembly and a displacing assembly. The collar assembly comprises a clamp member and a clamp assembly, where the clamp member defines a clamp surface. The clamp assembly deforms the clamp member to alter a shape of the clamp surface such that the clamp member may be configured to surround at least a portion of the bearing cup and the clamp member may be configured to frictionally engage at least a portion of the bearing cup to secure the clamp member to the bearing cup. The displacing assembly engages the clamp member and is adapted to engage the bearing casting such that operation of the displacing assembly forces the clamp member away from the bearing casting.