Perfect Binder Thickness Adjustment via Integrated Measurement

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Solution Overview

Problem

Existing adhesive binder technologies face challenges in accurately measuring and adjusting the thickness of book blocks, leading to measurement errors and increased waste due to 'mushrooming' effects, which complicates the production of perfect-bound books and requires separate devices for simulation.

Innovation Solution

A method that integrates a control unit to automatically adjust the adhesive binder's components using measured thickness values from a device within the cover pressing station, eliminating the need for external measurement and allowing for precise thickness setting without additional measuring elements, and includes the use of pressure rails with adjustable movement profiles for accurate thickness measurement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If external measurement devices are used to measure book block thickness, then measurement can be performed, but the actual situation in the adhesive binder cannot be adequately simulated and measurement precision deteriorates due to mushrooming effects

Engineering Contradiction:
Improvethickness measurement precisionVSAvoidmeasurement reliability under actual processing conditions
Core Design Contradiction:
Measurement precisionVSReliability

Solution Approach 1:

The patent combines the measurement function with the existing cover pressing station by integrating a measuring device that utilizes the pressure rails already present in the system. This merging eliminates the need for separate external measurement devices and ensures measurements are taken under actual processing conditions including the mushrooming effect, thereby improving both measurement precision and reliability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent introduces a control unit as an intermediary that receives thickness measurements from the measuring device, calculates appropriate setting values, and automatically adjusts the processing stations. This intermediary system bridges the gap between measurement and processing, enabling precise automatic adjustment based on actual measured thickness values.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If numerous thickness settings are made to produce products of different thicknesses, then adaptability improves, but setup time increases due to manual adjustment requirements

Engineering Contradiction:
Improvethickness setting adaptabilityVSAvoidsetup time for thickness conversion
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent implements a feedback mechanism where the measuring device continuously monitors book block thickness, and the control unit automatically adjusts processing station settings based on the measured values. This closed-loop feedback system eliminates manual adjustment requirements and enables rapid adaptation to different product thicknesses, significantly reducing setup time while maintaining versatility.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs automatic self-adjustment of processing station settings based on measured thickness values. The control unit automatically calculates and applies the appropriate settings without requiring operator intervention, enabling the system to serve itself in terms of thickness adaptation and eliminating time-consuming manual reconfiguration.

Inventive Principle:
Principle #25Self-service

3Difficulty of detecting and measuring

If separate external devices are used for thickness measurement, then measurement capability is provided, but device complexity increases and the system becomes more cumbersome

Engineering Contradiction:
Improvethickness measurement capabilityVSAvoidsystem complexity
Core Design Contradiction:
Difficulty of detecting and measuringVSDevice complexity

Solution Approach 1:

The patent merges the measurement function with the existing cover pressing station by integrating a measuring device that utilizes the pressure rails already present in the system. This eliminates the need for separate external measurement devices, reducing system complexity while maintaining full measurement capability. The measuring device becomes part of the existing infrastructure rather than an additional standalone component.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP2960067B1Method for optimizing the thickness adjustment of an adhesive binder
Publication Date: 2017.08.16 MULLER MARTINI HLDG
  • EP2960067B1 patent drawingFigure 1
  • EP2960067B1 patent drawingFigure 2
  • EP2960067B1 patent drawingFigure 3

AI summary

The invention relates to a method for optimizing the thickness setting of a perfect binder (1000) which allows the production of higher quality products and reduces waste. For this purpose, the thickness (D) of the book block (100) is measured for thickness setting not outside the perfect binder, but inside the perfect binder under the conditions actually prevailing there.The procedure comprises: a) Determining the thickness (D) of a book block (100) b) Inputting the thickness (D) of the book block (100) into a control unit (4) of the perfect binder (1000) c) Rough adjustment of components (1002) and stations (1010, 1020, 1030, 1040, 2, 160) of the perfect binder (1000) d) Feeding a first book block (100) into the perfect binder (1000), at least partial processing of the book block in the stations and further transport to a cover pressing station (2) e) Measuring the thickness (D) of the book block (100) with a measuring device (22, 23, 53) integrated into the cover pressing station (2) f) Transferring the at least one thickness measurement value to the control unit (4) g) Correcting the setting values ​​of components and stations of the perfect binder (1000). This allows the thickness setting to be done fully automatically, and a learning process using a reference book block is no longer necessary.