Textile-Covered Drive Belt Surface Oil for Cleaner Rollers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing drive belts in belt drives suffer from roller contamination and noise issues due to deposit formation, with existing solutions either being costly or ineffective in preventing soiling and noise.
Innovation Solution
A drive belt with a textile covering and a fluorine-free, aromatic-free oil applied to its surface, which reduces roller contamination and noise by preventing deposit formation, while being cost-effective and safe for consumer use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If rollers are polished to high gloss to prevent deposits, then sliding properties improve and deposits are reduced, but costs increase and corrosion risk increases
Solution Approach 1:
The patent introduces an intermediary substance (oil with specific viscosity range 5-500 mm²/s at 40°C) between the belt and roller surfaces. This oil acts as a mediator that reduces direct contact and friction, preventing deposit formation without requiring expensive roller polishing or phosphating treatments. The oil layer serves as a protective intermediary that solves the contradiction by preventing harmful deposits while avoiding the cost and corrosion issues of alternative solutions.
Solution Approach 2:
The patent applies parameter changes by specifying a particular viscosity range for the oil (5-500 mm²/s at 40°C) and treating the belt surface with this oil. This parameter optimization allows the oil to effectively prevent deposits while maintaining cost-effectiveness and avoiding corrosion issues. The specific viscosity parameters ensure the oil remains effective without requiring expensive roller surface treatments.
2Object-affected harmful factors
If belts are manufactured without textile layer on back to prevent deposits, then deposit formation is reduced, but flexibility at low temperatures decreases and abrasion sensitivity increases
Solution Approach 1:
The oil treatment acts as an intermediary that allows the textile layer to remain on the belt back while still preventing deposit formation. The oil creates a protective layer that reduces direct contact between the belt and roller, enabling the textile layer to maintain its beneficial flexibility and abrasion resistance properties without contributing to deposit formation.
Solution Approach 2:
The patent changes the surface parameters of the belt by applying oil with specific viscosity characteristics (5-500 mm²/s at 40°C) to the textile layer. This parameter modification allows the textile layer to retain its structural integrity and functional properties (flexibility, abrasion resistance) while the oil coating prevents deposit formation on the rollers.
3Object-affected harmful factors
If fluorine-containing polymers or PTFE are used to treat belt surfaces to reduce deposits, then deposit formation is reduced, but roller contamination increases significantly
Solution Approach 1:
The patent uses a disposable oil treatment applied to the belt surface that provides temporary protection against deposit formation. This oil layer is inexpensive and can be reapplied, replacing the need for expensive fluorine-containing polymers or PTFE treatments. The oil serves as a short-lived but effective barrier that prevents both deposits and roller contamination.
Solution Approach 2:
The patent changes the chemical composition parameters of the belt surface treatment by using hydrocarbon-based oils with specific viscosity ranges (5-500 mm²/s at 40°C) instead of fluorine-containing polymers or PTFE. This parameter change in the treatment material eliminates the roller contamination issue while maintaining effectiveness in preventing deposit formation.
4Strength
If resorcinol-formaldehyde latex or polyurethane is used in the fabric to improve belt properties, then belt strength is improved, but deflection behavior deteriorates and roller soiling increases
Solution Approach 1:
The oil treatment acts as an intermediary layer on the belt surface that decouples the structural properties of the fabric from the interaction with the roller. This allows the fabric to maintain its strength-enhancing materials (resorcinol-formaldehyde latex or polyurethane) while the oil coating prevents these materials from causing deflection issues and roller soiling.
Solution Approach 2:
The patent changes the surface parameters of the fabric-coated belt by applying oil with specific viscosity characteristics. This parameter change in the surface treatment allows the underlying fabric structure to retain its strength benefits while the oil coating modifies the surface interaction properties to improve deflection behavior and reduce roller soiling.
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 significantly reduces roller contamination and noise, while minimizing the use of expensive fluorine derivatives and ensuring consumer safety, with the oil maintaining effectiveness for at least 3 hours to facilitate better belt cutting.
Implementation Method 1
a fluorine-free, aromatic-free oil applied to its surface, which reduces roller contamination and noise by preventing deposit formation
Data Source
Figure 1
AI summary
The invention relates to a drive belt (1), in particular a multi-ribbed V-belt, with an elastic base body based on a vulcanizate, comprising a cover layer (2) as the belt back and a substructure (5) with a power transmission zone (8), wherein the belt back is provided with a textile covering (10) containing more than 0.01% by weight of at least one oil, wherein the oil contains between 0 and 50 wt.% fluorine and/or fluorine derivatives. Three methods for manufacturing such a drive belt are also presented.