Dual-Workpiece Machine Tool Layout for Higher Output in Less Space
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Solution Overview
Problem
Existing machine tools for machining workpieces are inefficient in terms of output rate, footprint, component count, and material usage, particularly when machining multiple workpieces simultaneously.
Innovation Solution
A machine tool design that allows for simultaneous or sequential machining of two workpieces using a single tool, with features including rotating workpiece mounts, independent drive control, and a single tool dresser, reducing the need for multiple machine tools and optimizing tool usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If two separate machine tools are used to machine two workpieces simultaneously, then the output rate is maintained, but the footprint, component count, and material usage are doubled
Solution Approach 1:
The patent combines two separate machine tools into a single integrated machine tool that can machine two workpieces simultaneously. The first and second workpiece mounts are integrated on a single machine base, sharing common structural components, control systems, and tooling resources, thereby achieving dual workpiece processing without doubling the footprint
Solution Approach 2:
The single machine tool is designed with multi-functional capability to process two different workpieces using a single tool. The tool mount can service both the first workpiece on the first workpiece mount and the second workpiece on the second workpiece mount, making the machine tool universal and eliminating the need for separate dedicated machines
2Productivity
If two separate machine tools are used to machine two workpieces simultaneously, then the output rate is maintained, but the component count and material usage are doubled
Solution Approach 1:
The patent merges multiple components into a shared infrastructure. The machine base, control system, tool mounting mechanism, and support structures are shared between the two workpiece processing stations, significantly reducing the total component count compared to two separate machine tools
Solution Approach 2:
Components are designed with universal functionality to serve dual purposes. For example, the single tool can be positioned to machine either the first workpiece or the second workpiece, and the control system manages both workpiece mounts and tool operations, reducing the need for duplicate components
3Productivity
If two separate machine tools are used to machine two workpieces simultaneously, then the output rate is maintained, but the power consumption and coolant usage are doubled
Solution Approach 1:
The patent combines the power and resource requirements of two machine tools into a single system. A single motor drives the tool, and a single coolant system serves both workpiece processing zones, thereby reducing total power consumption and coolant usage while maintaining the capability to process two workpieces simultaneously
4Area of stationary object
If a single machine tool machines two workpieces simultaneously, then the footprint is reduced, but the control complexity increases
Solution Approach 1:
The controller incorporates feedback mechanisms to monitor and coordinate the positions and operations of the first and second workpiece mounts as well as the tool. This feedback system enables the controller to manage the increased complexity of simultaneous dual workpiece machining by continuously adjusting parameters based on real-time conditions
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 machine tool achieves up to twice the output rate of finished workpieces with a smaller footprint, reduced component and material usage, lower power consumption, and decreased operator time, while maintaining flexibility in machining modes and tool configurations.
Implementation Method 1
In abrasive or grinding machining processes, the material is removed by a tool which may be in the form of a rotating grinding wheel
Data Source
AI summary
A machine tool for machining two workpieces comprises a machine base, a first tool mount, first and second workpiece mounts with respective drives, and a controller arranged to control the first and second workpiece mount drives so as to bring first and second workpieces carried by the first and second workpiece mounts, respectively, into engagement with a tool carried by the first tool mount.