Conical Workpiece Machining with Groove-Rib Guide Alignment
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Solution Overview
Problem
Existing methods for machining conical workpieces, such as wood and plastic, struggle to achieve high accuracy and surface quality during transportation, making it difficult to ensure clean fit and bonding when forming planar elements.
Innovation Solution
A machine design utilizing a groove-rib guide system, CNC-controlled tools, and measuring elements to precisely adjust and guide workpieces through machining, ensuring high accuracy and quality of conical surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If workpieces are transported through the machine for conical machining, then productivity is improved, but manufacturing precision deteriorates due to difficulty in maintaining high accuracy and surface quality
Solution Approach 1:
A guide rib extending in the transport direction is introduced as an intermediary element that engages with the workpiece to maintain precise alignment during continuous transport. This guide rib acts as a mediator between the transport mechanism and the workpiece, ensuring stable positioning without requiring complex active control systems throughout the machining process.
2Manufacturing precision
If traditional transport methods are used for conical workpieces, then device complexity is reduced, but manufacturing precision deteriorates due to inability to maintain high accuracy during transport
Solution Approach 1:
The guide system is segmented into simple, discrete components: a guide rib extending in the transport direction that engages with corresponding features on the workpiece. This segmentation allows the complex task of maintaining alignment to be broken down into simple geometric engagements rather than requiring a monolithic complex control system.
3Productivity
If workpieces are machined during transport, then productivity is improved, but ease of operation deteriorates due to difficulty in achieving optimal tool positioning
Solution Approach 1:
The guide rib is pre-positioned and extends in the transport direction before machining begins. This preliminary arrangement of the guiding element ensures that workpieces are automatically aligned as they enter the machining zone, eliminating the need for complex real-time tool positioning adjustments during operation.
Data Source
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AI summary
The machine is used for machining conical workpieces (1) as they pass through the machine. For machining, the machine has at least two rotatably driven tools (10, 12) with which the right and/or left longitudinal side of the workpieces (1) in the transport direction (2) is machined. At least one of these tools (10, 12) is adjustable transversely to the transport direction (2). For transporting the workpieces (1) through the machine, at least one groove-and-rib guide (22, 24) effective in the transport direction (2) is provided. The corresponding longitudinal sides (3, 4) of the workpiece (1) can thus be machined with high accuracy and/or quality. The workpieces (1) are measured with regard to at least their taper during their feeding. At least one positive locking element (22) is attached to the workpiece (1), which interacts with at least one counter-positive locking element (24) during the transport of the workpiece (1) through the machine.The workpiece (1) is thereby guided in the transport direction (2). During the workpiece passage, the tool (10, 12) is adjusted transversely to the transport direction (2) depending on the taper of the workpiece (1).