Modular Screw Rod Sections for Precise Interchangeable Assembly
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Solution Overview
Problem
Current manufacturing methods for screw rods are inefficient, requiring manual processing and unique labeling, leading to time-consuming assembly, material waste, and limited flexibility in modular systems, where sections of screw rods are not easily interchangeable or extendable.
Innovation Solution
A method and system for batch production of screw rods using CNC machines and multioperation machines, where workpieces are processed with threaded grooves and assembly threads, allowing for precise measurement and positioning of connection points, enabling interchangeable and extendable screw rods with standardized lengths and orientations, facilitating modular systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual processing is used to adapt each section of screw rod, then assembly compatibility is improved, but productivity and cost-efficiency deteriorate
Solution Approach 1:
The screw rod is divided into multiple standardized sections that can be manufactured independently through automated processes. Each section includes standardized components (threaded groove, male part, female part, plane of contact) that can be produced separately and assembled systematically, enabling batch production while maintaining compatibility through standardized interfaces rather than manual adaptation.
Solution Approach 2:
The invention changes the manufacturing parameters from manual, custom adaptation to automated, precision-controlled processing with standardized tolerances. By establishing fixed parameters for thread pitch, diameter, plane of contact position, and groove orientation, the system achieves assembly compatibility through precise automated manufacturing rather than manual adjustment.
2Measurement precision
If unique labeling is applied to each screw joint, then assembly accuracy is improved, but device complexity and time consumption deteriorate
Solution Approach 1:
The invention uses asymmetric indexing features (index marks, keyways, or asymmetric groove patterns) built into the screw rod sections during manufacturing. These asymmetric features provide unique positional information without requiring external labeling systems, enabling accurate reassembly through mechanical recognition rather than visual labeling.
Solution Approach 2:
The indexing and identification features are incorporated into the screw rod sections during the initial manufacturing process rather than being added later. This preliminary action ensures that assembly accuracy is built into the components themselves, eliminating the need for separate labeling and documentation systems.
3Manufacturing precision
If sections of screw rod are manufactured individually with manual adaptation, then assembly compatibility is improved, but loss of time and material waste deteriorate
Solution Approach 1:
The invention creates universal screw rod sections with standardized interfaces that can be interchangeably assembled in multiple configurations. The standardized threaded grooves, male/female parts, and planes of contact allow any section to connect with any other section of the same specification, enabling rapid assembly without manual adaptation or custom fitting.
Solution Approach 2:
All necessary processing features (threaded grooves, planes of contact, indexing marks, transverse holes) are created during the initial manufacturing process. This preliminary action ensures that when sections need to be assembled, no additional adaptation or material removal is required, significantly reducing assembly time.
4Manufacturing precision
If manual processing and unique labeling are used, then individual section compatibility is improved, but adaptability of modular systems deteriorates
Solution Approach 1:
The invention establishes universal standardized interfaces that allow screw rod sections to be used in multiple applications and configurations. The standardized threaded grooves, male/female parts, and plane of contact dimensions enable sections to be interchangeable across different modular system configurations, greatly enhancing adaptability while maintaining precision through standardized manufacturing.
Data Source
Figure 1a~3
Figure 4a~4c
Figure 4d~6
AI summary
The invention concerns a method for the manufacture of a section of screw rod (1', 1") that extends along the z-axis (Z). The method comprises the steps: processing of a workpiece (23) to comprise at least one threaded groove (11); processing of the workpiece (23) to comprise a first plane of contact (API) that extends transverse to the z-axis (Z); measuring in of the first plane of contact (API) and a first reference point (RP1) at the threaded groove (11) relative to each other; determination of the position of a first entry point (IP1) at the threaded groove (11) based on the said measuring in; processing of the workpiece (23) to comprise a first section of assembly thread (17) that demonstrates at least a first thread comprising a first connection point (FP1) that is connected at the first plane of contact (API). The invention concerns also a processing configuration for the manufacture of sections of screw rod (1, 1") and a multioperation machine (31) that is arranged for fully or partially automatic manufacture of sections of screw rod (1, 1"). The invention concerns also a computer program (P) at a processing configuration for the manufacture of sections of screw rod (1', 1").