Trimming Folded Printed Products Using Preliminary Positioning

Solution Overview

Problem

Existing devices for trimming folded printed products often result in unclean cut edges due to misalignment and displacement of products during the trimming process, leading to inconsistent cutting quality.

Innovation Solution

The device features receiving compartments with a support surface that allows the front edge of the product to be positioned close to the open side, enabling precise alignment and clamping before the first cut, reducing uncontrolled movements and avoiding the need for deep insertion, which enhances cutting precision and quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If products are inserted deep into compartments, then head-to-toe cut can be performed, but alignment precision deteriorates and uncontrolled movements occur

Engineering Contradiction:

Improvehead-to-toe cut capabilityVSAvoidalignment precision

Core Design Contradiction:

Ease of operationVSManufacturing precision

Solution Approach 1:

The support is shaped and arranged to position the products fully and deeply within the compartment before cutting operations, ensuring the front edge is spaced significantly from the radially outward open side. This preliminary positioning enables subsequent alignment and cutting operations to be performed with precision while maintaining product stability.

Inventive Principle:

Principle #10Preliminary action

2Stability of the object's composition

If clamping arrangement is activated before alignment, then product fixation is improved, but displacement and bulging of central product area occurs

Engineering Contradiction:

Improveproduct fixationVSAvoidcut edge quality

Core Design Contradiction:

Stability of the object's compositionVSManufacturing precision

Solution Approach 1:

The support is shaped and arranged to position the products fully and deeply within the compartment before cutting operations, ensuring the front edge is spaced significantly from the radially outward open side. This preliminary positioning enables subsequent alignment and cutting operations to be performed with precision while maintaining product stability.

Inventive Principle:

Principle #10Preliminary action

3Productivity

If products are conveyed and dropped into compartments, then productivity is improved, but uncontrolled movements and misalignment occur

Engineering Contradiction:

Improveconveyance speedVSAvoidalignment precision

Core Design Contradiction:

ProductivityVSManufacturing precision

Solution Approach 1:

The support is shaped and arranged to position the products fully and deeply within the compartment before cutting operations, ensuring the front edge is spaced significantly from the radially outward open side. This preliminary positioning enables subsequent alignment and cutting operations to be performed with precision while maintaining product stability.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentEP2103398B1Method and device for cutting folded printed products

Publication Date: 2011.04.27 FERAG AG

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Figure 3a~3b

AI summary

The device has a controllable clamping and moving arrangement (20) associated with receiving compartments (10) for clamping printed products (100) and for moving the products along a supporting area (14). The support (50) is designed such that a front edge (104) of the products opposite to a folded edge (102) is in direct vicinity at side of the compartment. The arrangement is designed and controllable such that the products are fixed in the region of the lateral edges running perpendicularly to the folded edge before carrying out the trimming and released for transfer of the products. An independent claim is also included for a method for trimming folded printed products on an edge.