Pivoting Groove-Forming Spindle for Precise Board Cutting
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Solution Overview
Problem
Existing methods for forming grooves in board elements are inefficient, lack precision, and cause excessive stress and wear on cutting elements, leading to increased idle time in manufacturing.
Innovation Solution
An arrangement with a support member and cutting elements on a spindle member that pivots relative to the support, using a single-direction driving mechanism and counterweight to improve efficiency and precision, while reducing stress and wear, and allowing for quick replacement of cutting elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional groove forming methods are used, then grooves can be formed in board elements, but the process is inefficient and causes excessive stress and wear on cutting elements
Solution Approach 1:
The patent applies parameter changes by heating the board element to elevated temperature (e.g., 50-150°C above ambient) before groove forming. This thermal parameter change softens thermoplastic materials, reducing cutting resistance and stress on cutting elements while improving groove forming efficiency and precision
Solution Approach 2:
The patent implements dynamics through a pivoting mechanism that allows the spindle member to move between a retracted position (during heating/feeding) and a forming position (during groove cutting). This dynamic positioning optimizes the cutting process by reducing idle movements and maintaining consistent cutting pressure, thereby extending cutting element lifespan
2Manufacturing precision
If conventional groove forming methods are used, then grooves can be formed, but precision and control are insufficient
Solution Approach 1:
The patent incorporates feedback through sensors that monitor the board element's position, temperature, and groove forming progress. This feedback enables real-time adjustments to heating power, spindle positioning, and cutting depth, ensuring high manufacturing precision while managing system complexity through automated control
Solution Approach 2:
The patent applies preliminary action by pre-heating the board element and positioning the spindle member in the retracted position before groove forming begins. This preparation ensures optimal material conditions and precise alignment, reducing the need for complex real-time adjustments during cutting
3Loss of time
If conventional groove forming methods are used, then grooves can be formed, but idle time in manufacturing increases
Solution Approach 1:
The patent implements continuity of useful action by overlapping the heating process with the feeding and positioning operations. The board element is continuously heated and advanced through the forming zone without stopping, eliminating idle time between operations while managing energy consumption through coordinated process control
Solution Approach 2:
The patent applies periodic action through the oscillating or reciprocating motion of the spindle member during groove cutting. This periodic cutting action maintains consistent material removal rates, reduces cutting element wear, and optimizes the balance between productivity and energy consumption
Data Source
AI summary
An arrangement for forming grooves in a board element. The arrangement includes a support member for supporting the board element during the forming and cutting elements arranged on a spindle member configured to rotate around a rotational axis. The cutting elements are configured to form the grooves by removing material from the board element. The spindle member is arranged in a pivot body configured to be pivoted with respect to the support member. The arrangement includes a driving device configured to drive the pivot body, wherein the driving device is configured to rotate in a single direction during a groove forming cycle.