Induction Coil Machining Setup for Continuous Cutting and Quenching
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Solution Overview
Problem
Existing machining apparatuses struggle to efficiently perform both cutting treatment and heat treatment, such as quenching, on workpieces, particularly due to limitations in heating systems and the need for improved coordination between cutting and heat treatment mechanisms.
Innovation Solution
A machining apparatus that incorporates a support mechanism, a cutting mechanism, and a heat treatment mechanism with induction heating, where the workpiece and coil are movable relative to each other, and includes mechanisms for cutting fluid and coolant recovery, along with a steady rest mechanism to suppress axial deflection and facilitate continuous, high-quality treatment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If conventional heating systems are used for heat treatment, then heating can be performed on workpieces, but heating efficiency and speed are insufficient
Solution Approach 1:
The patent replaces conventional thermal conduction heating with induction heating technology. The induction heating coil generates an electromagnetic field that directly induces eddy currents in the workpiece, converting electrical energy directly into heat within the workpiece material. This substitution of heating mechanism achieves rapid and efficient heating, resolving the contradiction between heating efficiency and heating time.
2Reliability
If cutting treatment and heat treatment are performed separately on different apparatuses, then each treatment can be performed adequately, but overall processing efficiency is reduced
Solution Approach 1:
The patent combines cutting treatment and heat treatment functions into a single integrated machining apparatus. The apparatus includes both a cutting mechanism with cutting tools and an induction heating mechanism with a heating coil, allowing both treatments to be performed on the same workpiece in sequence without removal. This merging resolves the contradiction by maintaining treatment quality through proper sequencing while dramatically improving overall processing efficiency.
Solution Approach 2:
The machining apparatus is designed with multi-functionality, capable of performing both cutting operations and induction heating treatments. The workpiece support system and positioning mechanisms serve both cutting and heating operations, creating a universal apparatus that can adapt to different treatment requirements while improving productivity through integrated processing.
3Device complexity
If the coil is fixed in position, then the heat treatment mechanism is simple, but heat treatment can only be performed on specific locations of the workpiece
Solution Approach 1:
The patent implements a movable induction heating coil that can be positioned at different locations along the workpiece. The coil is mounted on a movable support structure that allows it to be transported to various positions, enabling heat treatment of different sections of the workpiece. This dynamic positioning capability resolves the contradiction between mechanism simplicity and location flexibility.
4Ease of operation
If cutting fluid and coolant are not recovered, then the system is simpler to operate, but environmental pollution and resource waste increase
Solution Approach 1:
The patent incorporates recovery systems for both cutting fluid used during cutting operations and coolant used during induction heating. These recovery systems collect and filter the fluids, allowing them to be reused in subsequent operations. This approach resolves the contradiction by maintaining ease of operation through automated recovery processes while significantly reducing pollution and resource waste.
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 apparatus enables efficient and high-quality performance of cutting and heat treatment by allowing accurate, rapid heating, continuous treatment, and reuse of cutting fluid and coolant, while minimizing axial deflection and ensuring smooth operation between cutting and heat treatment stages.
Implementation Method 1
The heat treatment mechanism includes a coil that performs induction heating on the workpiece
Data Source
AI summary
A machining apparatus includes: a support mechanism that supports a workpiece; a cutting mechanism that cuts the workpiece that has been supported by the support mechanism; and a heat treatment mechanism that performs heat treatment on the workpiece that has been supported by the support mechanism. The heat treatment mechanism includes a coil that performs induction heating on the workpiece. The coil and the workpiece that has been supported by the support mechanism are movable relative to each other.