Rod End-Processing Layout for Single-Clamp Sawing and Chamfering
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Solution Overview
Problem
Existing systems for processing the ends of rod-shaped or tubular workpieces lack high accuracy and efficiency in continuous processing, with long cycle times and requiring extensive measuring and positioning procedures.
Innovation Solution
A system comprising a conveying device and two processing devices, each with a clamping device, sawing device, and chamfering device, where the tool units are aligned and movable to allow simultaneous processing of both ends of a workpiece without releasing the clamping, reducing the need for additional measuring and positioning, and enabling simultaneous cutting and chamfering of multiple workpieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional processing systems are used for rod-shaped workpieces, then processing can be performed, but the processing accuracy is insufficient and cycle times are long
Solution Approach 1:
The patent combines multiple processing functions (sawing, chamfering, clamping) into integrated tool units that are mounted on a common carrier. This merging of functions allows simultaneous execution of multiple operations on different ends of workpieces, reducing cycle time while maintaining high precision through the rigid, pre-calibrated spatial relationships between tools.
Solution Approach 2:
The system enables continuous processing by having multiple tool units operate simultaneously on multiple workpieces in different processing stages. While one workpiece is being sawn, another is being chamfered, and a third is being positioned, eliminating idle time and maintaining continuous productive action throughout the system.
2Manufacturing precision
If extensive measuring and positioning procedures are implemented, then processing accuracy improves, but device complexity and processing time increase
Solution Approach 1:
The patent implements preliminary positioning through V-shaped holders that automatically orient rod-shaped workpieces in a predetermined manner before processing. This preliminary action eliminates the need for complex real-time measuring and positioning systems during processing, as the workpieces are pre-aligned by the geometry of the holders themselves.
Solution Approach 2:
The V-shaped holders provide self-positioning functionality where the geometry of the holder and workpiece automatically ensure correct alignment without external measurement or adjustment systems. The workpiece itself serves as the reference for positioning through its geometric interaction with the V-shaped holder.
3Loss of time
If single-clamping processing is implemented, then cycle time reduces, but positioning accuracy for multiple processing steps becomes more difficult
Solution Approach 1:
The patent segments the processing system into multiple independent tool units (sawing unit, chamfering unit, etc.), each with its own clamping and positioning capabilities. This segmentation allows each tool to independently secure and position workpieces for its specific operation, maintaining high positioning accuracy for each step while enabling parallel processing that reduces overall cycle time.
Data Source
AI summary
A system and a method process a first end and a second end of at least one rod-shaped workpiece. The system includes a conveying device for cross-conveying the at least one rod-shaped workpiece in a conveying direction, a first processing device and a second processing device. The first and the second processing devices each include a clamping device, a sawing device and at least one chamfering device, wherein, using the conveying device, the first end of the at least one rod-shaped workpiece can be supplied to the first processing device and the second end of the at least one rod-shaped workpiece can be supplied to the second processing device. The arrangement of the sawing device and the at least one chamfering device of each processing device has been chosen so as to achieve high efficiency in the system, making particularly cost-effective processing of rod-shaped workpieces possible.