Punch Press Setup Information Generation for Tool Compatibility
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Solution Overview
Problem
Conventional punch press operations rely heavily on operator experience, leading to potential errors in setting up punches and dies, especially when dealing with different board thicknesses and material qualities, resulting in suboptimal processing quality due to inadequate clearance management.
Innovation Solution
A setup information generating device and method for a punch press that compares tool numbers and processing conditions to generate setup information, allowing for the selection of compatible punches and dies with appropriate clearances, stored in a processing schedule and compatible tool registration system, facilitating accurate and high-quality processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If operators manage punch and die combinations based on experience at the site, then flexibility in handling different materials is maintained, but errors occur due to forgetfulness or lack of standardized procedures
Solution Approach 1:
The system pre-registers multiple compatible punch and die combinations in the database before actual processing. When processing conditions are input, the system automatically retrieves and presents the appropriate pre-determined combinations, eliminating the need for operators to rely on memory or experience during setup operations.
Solution Approach 2:
A computer-based management system acts as an intermediary between processing conditions and tool selection. The system stores processing conditions, tool compatibility data, and automatically determines appropriate punch-die combinations, serving as a mediator that translates material requirements into specific tool selections without human error.
2Manufacturing precision
If multiple types of punches and dies with same tool number are prepared for different clearances, then processing quality for various board thicknesses is improved, but device complexity increases
Solution Approach 1:
Punches and dies are assigned universal tool numbers that represent multiple compatible variants. The system manages the relationships between different clearance specifications under unified tool numbers, allowing a single tool number to represent multiple punch-die combinations with different clearances, thereby reducing the perceived complexity while maintaining precision.
Solution Approach 2:
The system varies the clearance parameter among punches and dies that share the same tool number. By systematically managing different clearance values as variable parameters within a unified tool classification system, the patent enables precise processing for different board thicknesses without requiring completely separate tool inventories for each clearance specification.
3Productivity
If tool replacement is performed without checking compatibility with processing conditions, then operation speed is maintained, but processing quality deteriorates due to inappropriate clearance
Solution Approach 1:
The system provides automatic feedback by comparing the input processing conditions against the registered tool compatibility data. When a tool replacement is needed, the system immediately indicates whether the currently mounted tools are compatible with the new processing conditions, alerting operators to any mismatches in clearance or other critical parameters before actual processing begins.
Solution Approach 2:
Compatibility verification is performed in advance before tool replacement execution. The system checks whether the currently mounted punch and die are suitable for the upcoming processing conditions, and if not, prompts for appropriate tool changes before the operator proceeds with the setup, ensuring quality without delaying overall productivity.
Data Source
AI summary
A setup information generating device for a punch press which can generate setup information on replacement of a punch and a die with compatible tools, that is, replacement among punches and dies identified by the same tool number and used for processing for the same shape and the same size and which can also generate setup information according to processing know-how or the like. The device has a setup information generating device 48 for comparing a processing schedule with tool numbers in a mounted tool information storage device 45 to generate setup information. The device has a compatible tool registering device 38 for registering processing conditions such as material quality and board thickness and information on which of plural types of punches 81 and dies 82 identified by the same tool number are compatible as a punch 81 and a die 82 which meet the processing conditions are registered in accordance with inputs from an operation panel 46. In addition to performing the comparison of the tool numbers, the setup information generating device 48 checks the processing conditions contained in the processing schedule against the compatible tool registering device 38, and compares the obtained compatibility numbers of the compatible punch 81, and die 82 with the compatibility numbers stored in the mounted tool information storage device 45.