Coating Roller Assembly With Crimped Sleeve Bearing Retention
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Solution Overview
Problem
Existing methods for fixing bearings to a coatings roller frame, such as peening, swedging, or pinning, weaken the structural integrity of the frame wire, leading to potential failure, especially with longer or heavier roller cages and covers.
Innovation Solution
A crimped sleeve is secured onto a treated surface of the frame wire to hold bearings in place, maintaining the structural integrity and durability of the frame wire, using techniques like crimping, surface treatment, and swedges to enhance retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pinning or swedging techniques are used to fix bearings to the frame wire, then the bearings are securely held in place, but the structural integrity and strength of the frame wire is reduced
Solution Approach 1:
A bearing retention device is introduced as an intermediary component between the frame wire and the bearing. This device includes a body with an opening that receives the frame wire, and a bearing retention member that extends through the opening to engage the bearing. The retention device thus mediates the connection, securing the bearing without requiring direct modification (pinning or swedging) of the frame wire, thereby preserving the frame wire's structural integrity while achieving reliable bearing retention.
2Reliability
If the frame wire is deformed to create a catch for bearing retention, then the bearing is prevented from accidental removal, but the structural integrity of the frame wire is compromised
Solution Approach 1:
The bearing retention device serves as a mediator that prevents direct deformation of the frame wire. The retention member engages the bearing through the body's opening, creating a catch mechanism without requiring the frame wire itself to be deformed. This maintains the frame wire's original composition and structural integrity while achieving the desired bearing retention function.
Solution Approach 2:
The bearing retention function is segmented from the frame wire structure. Instead of integrating the retention mechanism directly into the frame wire (which would require deformation), the retention device is a separate, modular component that attaches to the frame wire and performs the retention function independently, preserving the frame wire's integrity.
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
The solution provides improved durability and reduces the incidence of frame wire failure, allowing for the use of longer and heavier roller cages and covers without compromising the frame's strength.
Implementation Method 1
a sleeve can be crimped into place over a treated surface of the wire frame at the first end
Implementation Method 2
a treated portion comprising a roughened surface between the second end and third bend
Data Source
AI summary
One or more technique and/or systems for a coating roller assembly, including a coating applicator cage frame and a frame wire. The roller assembly can comprise a handle coupled with the frame wire configured to operably hold the coating applicator cage frame. Bearings can be fixed to the coating applicator cage frame at its both ends. Instead of using typical pinning or swedging techniques for holding the bearing, a sleeve can be crimped into place over a treated surface of the frame wire between the second end and third bend (112). In this way, for example, the structural integrity of the frame wire can be substantially maintained, providing for improved durability and a longer life for the roller assembly.