Hot Working Metal Lubricant Composition for Friction Reduction
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Solution Overview
Problem
Conventional high-temperature lubricants for metal processing face issues such as local overdosing, clumping, and reduced lubrication effectiveness, leading to increased friction and potential damage during seamless tube production.
Innovation Solution
A solid mixture composition comprising 20-60% condensed alkali phosphate, 10-40% boron compound, and 5-25% fatty acid or their salts, ensuring at least 50% of the mixture is phosphate and boron, which effectively descales and lubricates metal surfaces, reducing friction and preventing clumping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If phosphate-based formulations are used for lubrication, then lubrication effectiveness is improved, but dosing precision and system complexity increase
Solution Approach 1:
The patent changes the chemical composition parameters by using condensed phosphates (20-60% by weight) combined with boron compounds (10-40% by weight) and fatty acid salts (5-25% by weight), creating a formulation that maintains lubrication effectiveness while improving dosing characteristics and reducing system complexity requirements
Solution Approach 2:
The invention creates a composite lubricant formulation combining multiple active ingredients (condensed phosphates, boron compounds, and fatty acid salts) in specific proportions, where the synergistic interaction of components provides both effective lubrication and improved dosing behavior without requiring complex control systems
2Ease of operation
If borax-based formulations are used for lubrication, then ease of operation is improved, but lubrication effectiveness decreases
Solution Approach 1:
The patent combines borax (providing ease of operation and handling) with condensed phosphates and fatty acid salts (providing enhanced lubrication effectiveness), creating a composite formulation that achieves both simplicity of use and superior lubrication performance through synergistic component interaction
3Reliability
If conventional lubricants are used at high temperature, then lubrication is provided, but friction increases and tool damage occurs
Solution Approach 1:
The patent optimizes the chemical composition parameters by incorporating condensed phosphates, boron compounds, and fatty acid salts in specific proportions, creating a formulation that maintains stable lubrication film formation at high temperatures (900-1250°C) while reducing friction forces and preventing tool damage
4Object-affected harmful factors
If scale forms on metal surface, then oxidation protection is provided, but rolling friction increases and production stops
Solution Approach 1:
The patent introduces a descaling composition as an intermediary substance that chemically reacts with formed scale (FeO, Fe3O4, Fe2O3) to remove it from the metal surface, preventing excessive friction and enabling continuous production while maintaining the beneficial oxidation protection that initially formed the scale
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 composition provides reliable, even lubrication and descaling, reducing rolling force and secondary scaling, while extending tool life and maintaining quality by forming a high-temperature-stable hydrodynamic film and preventing clumping at elevated humidity.
Implementation Method 1
forming a high-temperature-stable hydrodynamic film
Implementation Method 2
the solid mixture melts and reacts with the hard scale, which immediately forms through a reaction with the atmospheric oxygen
Implementation Method 3
preventing clumping at elevated humidity
Data Source
AI summary
A composition for lubricating and/or descaling in the hot processing of metals includes a solid mixture containing the following constituents:(a) 20 to 60% by weight of condensed alkali phosphate,(b) 10 to 40% by weight boron compound selected from borosilicate glass, boric acid, boric acid salt, or a mixture thereof,(c) 10 to 30% by weight alkali or alkaline earth sulphates,(d) 5 to 25% by weight fatty acid, fatty acid salt, or a mixture thereof. The sum of the constituents (a) and (b) constitutes at least 50% by weight of the mixture and the sum of the constituents (a) to (d) constitutes at least 85% by weight of the mixture.