Processing Chamber Temperature Tracking for Precision Machining
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Solution Overview
Problem
Existing processing machines face issues with thermal distortion due to temperature variations in the environment, leading to reduced processing accuracy, even when room and cutting water temperatures are controlled.
Innovation Solution
A processing machine equipped with an internal temperature sensor and external temperature sensor to measure the temperature within and around the processing chamber, with a temperature adjustment mechanism to adjust the processing fluid's temperature based on the measured differences, ensuring the processing chamber temperature tracks the environmental temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the cutting device is set in a usual factory without temperature control, then the device can be used in general environments, but thermal distortion occurs leading to reduced processing accuracy
Solution Approach 1:
The patent implements a feedback control system where temperature sensors continuously monitor the processing chamber temperature and room temperature. The control unit compares these temperatures and automatically adjusts the cutting water temperature via a water heater to compensate for thermal distortion, maintaining processing accuracy across varying environmental conditions.
Solution Approach 2:
The patent dynamically changes the temperature parameter of the cutting water based on the detected temperature difference between the processing chamber and the room. By adjusting the cutting water temperature in response to environmental changes, the system compensates for thermal expansion and contraction of machine components, thereby maintaining processing precision.
2Manufacturing precision
If the room temperature and cutting water temperature are controlled to constant temperatures, then thermal distortion is minimized, but the device requires a controlled clean room environment
Solution Approach 1:
The feedback control system allows the device to maintain processing accuracy without requiring a controlled clean room environment. The temperature sensors and control unit automatically adjust the cutting water temperature based on real-time environmental conditions, enabling the device to adapt to usual factory environments while maintaining precision.
Solution Approach 2:
The system performs self-adjustment by automatically detecting temperature changes and correcting thermal distortion through the water heater. This self-service capability eliminates the need for external environmental control systems, allowing the device to operate autonomously in varying environments while maintaining processing accuracy.
3Manufacturing precision
If the cutting water temperature is controlled based on room temperature, then thermal distortion is compensated, but the control becomes complex requiring temperature sensors and control units
Solution Approach 1:
While the feedback control system does increase device complexity by adding temperature sensors and a control unit, it successfully maintains processing accuracy. The complexity is justified by the system's ability to automatically compensate for thermal distortion in real-time, ensuring high precision without requiring manual intervention or complex mechanical adjustments.
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
Improves processing accuracy by compensating for temperature fluctuations within the processing chamber, enhancing the precision of operations.
Implementation Method 1
an internal temperature sensor which measures a temperature of an atmosphere in the processing chamber
Implementation Method 2
an external temperature sensor which measures a temperature of an atmosphere around the processing machine
Implementation Method 3
an operation of raising a temperature of the processing fluid to be supplied to the nozzle when a measured temperature of the internal temperature sensor is lower than a measured temperature of the external temperature sensor
Implementation Method 4
an operation of lowering the temperature of the processing fluid to be supplied to the nozzle when the measured temperature of the internal temperature sensor is higher than the measured temperature of the external temperature sensor
Data Source
AI summary
In a processing machine, a machine body drives at least one of a workpiece and a tool to process the workpiece by the tool. A processing chamber isolates the workpiece, the tool, and a nozzle from at least part of the machine body while housing the workpiece, the tool, and the nozzle. An internal temperature sensor measures a temperature of an atmosphere in the processing chamber. An external temperature sensor measures a temperature of an atmosphere around the processing machine. A temperature adjustment part raises a temperature of the processing fluid to be supplied to the nozzle when a measured temperature of the internal temperature sensor is lower than a measured temperature of the external temperature sensor, and/or the temperature adjustment part lowers the temperature of the processing fluid to be supplied to the nozzle when the measured temperature of the internal temperature sensor is higher than the measured temperature of the external temperature sensor.