Wood Rounding Operating Head with Electronic Profile Sensor

Solution Overview

Problem

Existing rounding assemblies for processing wood components are bulky, resulting in high bending forces that compromise precision and are limited to processing only hard materials due to their weight.

Innovation Solution

An operating head with a compact design featuring an elongated tubular casing housing an electric motor, a rotating tubular rod with a milling tool, and a copy attachment device that includes lateral and frontal attachments for precise edge processing, controlled by an encoder and electronic control unit, allowing for adaptive movement based on the component's profile.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If a traditional rounding assembly with a support bracket and wheel is used, then the lateral copy attachment can follow the profile of the component, but the large dimensions and weight result in high bending forces that compromise processing precision

Engineering Contradiction:

Improveprocessing precisionVSAvoidweight of rounding assembly

Core Design Contradiction:

Manufacturing precisionVSWeight of moving object

Solution Approach 1:

The patent replaces the traditional mechanical wheel-based lateral copy attachment with an electronic copy attachment that uses a sensor (such as a capacitive sensor) to detect the profile of the component. This substitution eliminates the need for a heavy support bracket and wheel mechanism, significantly reducing the weight of the moving rounding assembly while maintaining the ability to follow the component profile accurately, thereby improving processing precision.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If a traditional rounding assembly with a support bracket and wheel is used, then the lateral copy attachment can follow the profile of the component, but the large dimensions produce relatively high bending forces on the assembly

Engineering Contradiction:

Improveprocessing precisionVSAvoidbending forces

Core Design Contradiction:

Manufacturing precisionVSForce

Solution Approach 1:

The patent replaces the traditional mechanical wheel-based lateral copy attachment with an electronic copy attachment that uses a sensor (such as a capacitive sensor) to detect the profile of the component. This substitution eliminates the need for a heavy support bracket and wheel mechanism, significantly reducing the weight of the moving rounding assembly while maintaining the ability to follow the component profile accurately, thereby improving processing precision.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Strength

If a heavy rounding assembly is used, then hard materials can be processed, but soft materials cannot be processed due to the excessive weight weighing down on the wheel

Engineering Contradiction:

Improvehardness of processable materialVSAvoidrange of processable materials

Core Design Contradiction:

StrengthVSAdaptability or versatility

Solution Approach 1:

The patent replaces the traditional mechanical wheel-based lateral copy attachment with an electronic copy attachment that uses a sensor (such as a capacitive sensor) to detect the profile of the component. This substitution eliminates the need for a heavy support bracket and wheel mechanism, significantly reducing the weight of the moving rounding assembly while maintaining the ability to follow the component profile accurately, thereby improving processing precision.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentEP2514556B1Operating head for processing wood components or the like

Publication Date: 2016.02.24 BIESSE SPA

Figure 1
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Figure 3

AI summary

An operating head for processing wood components (2) or the like is provided with an electric motor (10) having a tubular output shaft (13), which carries a splined processing tool and/or aggregate (15), and is engaged in a rotary manner by a support shaft (16), which protrudes towards the outside of the output shaft (13), and carries an auxiliary member (26) connected thereto, adapted to be oriented by the support rod (16) around a longitudinal axis (9) of said output shaft (13).