C-Shaped Bending Beam With Dual Angle Measurement Zones
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Solution Overview
Problem
Existing swivel bending machines are limited in achieving accurate bending angles, especially for complex workpiece geometries, due to the restricted applicability of existing angle-measuring systems.
Innovation Solution
A bending beam with a C-shaped cross section and two oppositely disposed bending tools, equipped with a contactless angle-measuring system comprising two angle-measuring units positioned above and below the central plane, allowing for flexible measurement of bending angles across diverse workpiece geometries, enhanced accuracy, and improved positioning flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single angle-measuring unit is used in the bending beam, then the device complexity is reduced, but the applicability to diverse workpiece geometries is limited
Solution Approach 1:
The angle-measuring system is divided into multiple angle-measuring units (at least two), each capable of measuring bending angles from different positions and orientations within the bending beam. This segmentation allows the system to handle diverse workpiece geometries by selecting the appropriate measuring unit based on the workpiece configuration, thereby improving versatility without requiring a completely different system for each geometry type.
Solution Approach 2:
Multiple angle-measuring units are integrated into the bending beam structure, creating a universal measuring system that can accommodate various workpiece geometries. Each unit serves multiple potential measurement scenarios, and the system can selectively activate the appropriate unit based on the specific workpiece being measured, achieving multi-functionality within a single integrated system.
2Measurement precision
If the bending beam interior is densely instrumented with measuring devices, then measurement precision is improved, but the free space for workpiece positioning is reduced
Solution Approach 1:
The angle-measuring units are designed to be selectively activatable rather than continuously present in the measurement path. The system dynamically selects which measuring unit to use based on the workpiece geometry and positioning requirements, allowing the free space to remain clear when a particular unit is not needed while maintaining measurement precision when a unit is activated.
Solution Approach 2:
Different regions within the bending beam are instrumented with angle-measuring units according to their specific measurement needs. Not all regions have measuring devices simultaneously active; instead, the local instrumentation is optimized based on the workpiece geometry being measured, preserving free space in regions where measurement is not currently required while maintaining precision where it is needed.
3Adaptability or versatility
If multiple angle-measuring units are integrated in the bending beam, then the applicability to diverse workpiece geometries is improved, but the device complexity increases
Solution Approach 1:
Multiple angle-measuring units are merged into a single integrated bending beam structure, sharing common mounting provisions, power supply, and control systems. This combining approach allows the system to achieve the positioning flexibility needed for diverse workpiece geometries while reducing the overall complexity that would result from having separate, independent measuring systems.
Solution Approach 2:
The integrated system with multiple angle-measuring units provides universal capability to handle various workpiece geometries and positioning scenarios. The system can selectively employ different units based on the specific measurement task, achieving multi-functionality and adaptability without requiring separate specialized systems for each application type.
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 solution enables precise bending-angle measurements for various workpiece geometries, improving bending accuracy and allowing for adaptive positioning of the workpiece, which enhances the overall bending process by utilizing light-section sensors and a cambering device to correct deformations.
Implementation Method 1
The angle-measuring system comprises a first angle-measuring unit, which is disposed underneath the central plane and has a first measuring region, which is situated for the most part above the central plane, and comprises a second angle-measuring unit, which is disposed above the central plane and has a second measuring region, which is situated for the most part underneath the central plane
Data Source
AI summary
An elongated bending beam for a swivel bending machine has an approximately C-shaped beam cross section and two bending tools, which are opposite one another relative to a preferably horizontal central plane, and which run facing one another in the longitudinal direction of the bending beam, between which a workpiece portion of a workpiece to be bent can be introduced. An angle-measuring system for contactlessly measuring a bending angle is arranged inside the C-shape beam cross section, with which a bending angle can be measured relative to a reference plane at a workpiece section bent by one of the bending tools. The angle-measuring system also includes a first angle-measuring unit arranged below the central plane and having a first measuring region positioned substantially above the central plane, and a second angle-measuring unit arranged above the central plane and having a second measuring region positioned substantially below the central plane.