Fibreboard Turn-Element Cutting for Uniform Underfloor Heating Grooves

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Solution Overview

Problem

Existing methods for mass producing underfloor fibreboard turn elements for underfloor heating lack efficiency, safety, and consistency, leading to unpredictable and non-uniform characteristics.

Innovation Solution

An apparatus featuring a cutter device with rotatable cutter wheels and a moving mechanism for precise cutting of circular and straight grooves or notches in fibreboards, allowing for efficient and uniform production of underfloor fibreboard turn elements with reduced risk of fire and fibreboard fraying.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If a router tool is moved in a pattern on the surface of fibreboard to cut grooves or notches, then underfloor fibreboard turn elements can be produced, but the production process is unsafe, inefficient, and produces non-uniform characteristics

Engineering Contradiction:

Improveuniformity of fibreboard turn elementsVSAvoidmass production efficiency

Core Design Contradiction:

Manufacturing precisionVSProductivity

Solution Approach 1:

The patent replaces the manual router tool with a automated cutting apparatus featuring a cutting head with cutting blades that can be positioned and moved along predetermined paths. This mechanical substitution enables consistent, repeatable cuts with uniform depth and spacing, eliminating the non-uniform characteristics produced by manual routing while significantly increasing production efficiency through automation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent implements precise control over cutting parameters including blade depth, spacing between grooves or notches, and cutting speed. By standardizing these parameters through the apparatus design, the process produces fibreboard turn elements with predictable and uniform characteristics, directly addressing the manufacturing precision issue while enabling scalable mass production.

Inventive Principle:

Principle #35Parameter changes

2Object-affected harmful factors

If manual routing is used to cut grooves in fibreboard, then flexibility in production is maintained, but fire risk and fibreboard fraying increase

Engineering Contradiction:

Improvefire risk and fibreboard frayingVSAvoidproduction safety

Core Design Contradiction:

Object-affected harmful factorsVSEase of manufacture

Solution Approach 1:

The patent replaces manual routing operations with an automated cutting apparatus that provides controlled, consistent cutting action. This substitution eliminates the safety hazards associated with manual operation near fibreboard dust and reduces fibreboard fraying through precise, repeatable cutting paths and appropriate blade selection, thereby improving production safety while maintaining ease of manufacture.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If groove depth and width are dimensioned to match heating cable or pipe, then proper accommodation is achieved, but thermal insulation characteristics are compromised

Engineering Contradiction:

Improveaccommodation of heating elementsVSAvoidthermal insulation performance

Core Design Contradiction:

Adaptability or versatilityVSTemperature

Solution Approach 1:

The patent implements precise control over groove or notch dimensions including depth, width, and spacing through the cutting apparatus. This allows optimization of the balance between accommodating heating elements and maintaining thermal insulation - grooves are cut to exact specifications that provide sufficient space for heating cables or pipes while minimizing the volume of fibreboard material removed, thereby preserving thermal insulation characteristics.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentEP3010690B1Apparatus for producing an underfloor fibreboard turn element for underfloor heating

Publication Date: 2018.08.01 HUNTON FIBER

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AI summary

Apparatus (1) for producing an underfloor fibreboard turn element (10) for underfloor heating having a plurality of turn notches or grooves for floor heating loops. Fibreboards to be processed (2a) in the apparatus are fed from a first reservoir (100a). A cutter device (200) comprising a main frame (210) supporting a cutter means (221) on an elongated cutter frame (221) holds a plurality of rotatable cutter wheels (223) with axes of rotation oriented in parallel. Aach cutter wheel has a plurality cutters (225) arranged on a circumference thereof with cutting edges oriented axially away from the wheel,to cut in a common plane oriented perpendicular to said axes of rotation. A plane base (250) for supporting and positioning a fibreboard with a first surface thereof in a surface plane being in parallel with the common plane of the cutters,and has an opening (251) for the cutter wheels. A drive means (226) rotates the cutter wheels. A moving means (240) moves the cutter means in a direction towards and away from the plane, so the cutter wheels to pass through the opening and past the surface plane. A positioning device (260) positions and secures the fibreboard against the plane base, and such that the cutter wheels on passing through the opening cut respective circular grooves or notches in predetermined parts of the first surface of the fibreboard. A storage device (100b) stores fibreboards processed (2b) in the cutter device.