Press Beam Camera Layout for Full-Width Bending Work Area Imaging
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Solution Overview
Problem
Bending machines pose challenges in capturing the entire work area with high detail resolution while protecting image capture apparatuses from damage during operation, and existing solutions suffer from reduced optical resolution and increased risk of damage due to placement constraints.
Innovation Solution
A bending machine with a work area image capture apparatus featuring two image capture means disposed in the press beam casing, capturing partial sections of the machine table and overlapping to form a continuous image, using 2D cameras or laser scanners for high-resolution imaging, and an image synthesis module to generate an overall image, with display means for the operator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a camera is placed in front of the press beam to capture the work area, then the risk of damage to the camera increases, but placing it behind the press beam reduces the capture area and optical resolution
Solution Approach 1:
The work area is divided into multiple capture zones, with the first image capture means capturing the first work area in front of the press beam, and the second image capture means capturing the second work area behind the press beam. This segmentation allows each camera to be positioned in optimal locations for their respective capture zones while protecting both cameras from damage.
2Device complexity
If a single camera captures the entire work area, then the device complexity is reduced, but the manufacturing precision and detail resolution decrease
Solution Approach 1:
The work area imaging function is segmented into multiple specialized cameras, each capturing a specific zone with high resolution. The first image capture means is assigned to capture the front work area with high detail resolution, while the second image capture means captures the rear work area, including the rear stop apparatus. This segmentation allows each camera to be optimized for its specific capture zone, maintaining high manufacturing precision across the entire work area.
3Ease of operation
If the press beam is designed to allow direct viewing of the rear stop apparatus, then the operator can monitor workpiece orientation, but the press beam structure becomes more complex and the working space is reduced
Solution Approach 1:
The mechanical viewing requirement is replaced by an optical monitoring system. Instead of requiring the operator to physically bend over and directly view the rear stop apparatus through limited openings, image capture means capture images of the work area, and these images are displayed on a display device. This substitution eliminates the need for structural modifications to the press beam while providing comprehensive monitoring capability.
4Measurement precision
If telephoto lenses are used to improve resolution, then the relative resolution capacity increases, but the capture area decreases and edge regions cannot be captured
Solution Approach 1:
Instead of using a single camera with telephoto lens positioned at one location, the system uses multiple cameras positioned at different locations and angles. The first image capture means is positioned to capture the front work area with optimal resolution, while the second image capture means is positioned to capture the rear work area. This multi-dimensional arrangement allows each camera to use appropriate focal lengths for their respective zones, capturing both high resolution and comprehensive coverage.
Data Source
AI summary
A bending machine has a work area image capture apparatus. A longitudinal expanse and the movement direction of the press beam define a working plane, which establishes a front working and manipulation space and a rear machine space, which is distinguished from the former and, in particular, closed off. An image capture apparatus is disposed in the working and manipulation space above the machine table, in a center section of the longitudinal expanse of the press beam, which apparatus is connected with a display, which is configured for representation of the captured image of the capture region. The image capture apparatus is disposed in a press beam casing, and has two image capture devices, wherein each image capture device captures a partial section in the direction of the machine table.