Slender Body Handling with Reference Marking and Clamp Alignment
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Solution Overview
Problem
Existing systems for machining slender bodies lose critical orientation and positional information during the transformation from continuous wire to discrete rods, leading to inaccuracies in straightness and end geometry measurements, which are essential for high-quality production.
Innovation Solution
Applying a reference mark on the ends of the rods during separation from the wire coil and using a transport system with synchronized clamps to prevent rotation and longitudinal translation, ensuring precise positioning and orientation throughout the machining process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the wire is cut into discrete rods during the transformation from continuous wire to discrete rods, then the production process can proceed to machining operations, but the critical orientation and positional information of the rods is lost
Solution Approach 1:
The system applies markings to the wire before cutting it into discrete rods. These markings are placed at predetermined positions and orientations on the continuous wire, so when the wire is subsequently cut, each rod retains information about its original position and orientation in the continuous wire. This preliminary marking action preserves the critical information that would otherwise be lost during the cutting operation.
2Ease of operation
If traditional transport systems are used without synchronized clamps, then the system is simpler and easier to operate, but rotation and longitudinal translation of rods occur during transport, causing positioning inaccuracies
Solution Approach 1:
The transport system employs synchronized clamps that dynamically adjust to grip and hold each rod firmly during transport. The clamps are actuated in coordination with the rod positions, ensuring that each rod is securely constrained against rotation and longitudinal translation only when needed during transport, while allowing easy loading and unloading. This dynamic constraint system maintains manufacturing precision without overly complicating operation.
3Device complexity
If no reference marks are applied to the rods, then the marking and detection systems are simpler, but the machining and measurement accuracy of straightness and end geometry cannot be maintained
Solution Approach 1:
The system uses reference marks as intermediary elements that bridge the gap between the physical rod and the measurement system. These marks serve as detectable intermediaries that carry information about the rod's original position and orientation, enabling the measurement system to accurately determine straightness and end geometry without requiring complex direct measurement of the rod itself. The marks act as a simplified intermediary that preserves measurement precision.
Data Source
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AI summary
A method and a system for handling slender bodies is disclosed in a semi-finished production plant, comprising at least a cutting station (C) apt to separate slender bodies (1) from a continuous wire, a finishing station (E) of the head ends of said slender bodies (1), at least a dimensional verification station (F) downstream of said finishing station (E), and a transporting equipment for transporting said slender bodies (1) between each of said stations, wherein at or upstream of said cutting station (C) a marking unit is provided to apply a reference marking on said slender bodies (1), which working identifies an original attitude comprising at least an angular position of said slender bodies (1) with respect to a continuous wire from which they were separated, said transporting equipment comprises gripping and locking assembly (24) of said slender bodies (1), apt to lock at least the angular position of said reference mark with respect to a relative reference system of said transport equipment, and wherein upstream of said finishing station (E) it is provided a detecting and storing unit for data of at least said angular position with respect to said relative reference system, and means for determining said original attitude of said slender bodies on the basis of said data at least in said dimensional verification station (F) are also provided.