Sensor-Controlled Sawing Machine Casings for Blade and Chip Access

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Solution Overview

Problem

Existing sawing machines require manual operation for opening casings to maintain or replace blades and remove machining chips, leading to inefficiencies and increased downtime due to operator inexperience, and lack of flexibility in operator availability.

Innovation Solution

A sawing machine with a logic control unit that automatically opens and closes casings based on acquired machining parameters, using sensors to detect conditions such as slot width, distance traveled, power consumption, or time, to determine when maintenance or chip removal is needed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual operation for opening casings is used, then the operator can verify blade status, but the operator must physically approach and open the door which causes loss of time and reduces productivity

Engineering Contradiction:
Improveblade status verificationVSAvoidoperational efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent replaces the mechanical system of manually opening casings with an automated control system that uses sensors to detect blade status and automatically opens/closes casings. This substitution eliminates the need for operators to physically approach and open doors, thereby maintaining measurement precision while significantly improving productivity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-service by automatically monitoring blade status through sensors and autonomously opening/closing casings when maintenance is needed. This self-service mechanism eliminates dependency on operator intervention for routine checks, maintaining verification accuracy while freeing operators for higher-value tasks.

Inventive Principle:
Principle #25Self-service

2Reliability

If the operator opens the casing to verify blade status, then the blade condition can be checked, but the sawing machine must be in standby mode which increases downtime

Engineering Contradiction:
Improveblade maintenance timingVSAvoidmachine standby time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent replaces manual casing operation with an automated system that continuously monitors blade status through sensors. This allows the machine to operate continuously without standby periods, as the automated system can detect blade wear and trigger maintenance only when necessary, maintaining reliability while eliminating unnecessary downtime.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The automated monitoring system enables continuous operation of the sawing machine by constantly tracking blade status without requiring the machine to stop. Maintenance is triggered only when sensor data indicates it's necessary, ensuring continuous useful action while maintaining blade reliability.

Inventive Principle:
Principle #20Continuity of useful action

3Ease of operation

If the operator is engaged in other activities, then the operator cannot leave his position to open the casing, but the operator still needs to perform maintenance checks

Engineering Contradiction:
Improveoperator flexibilityVSAvoidmaintenance accessibility
Core Design Contradiction:
Ease of operationVSEase of repair

Solution Approach 1:

The patent replaces manual operator action with an automated control system that monitors blade status and autonomously opens/closes casings. This substitution grants operators complete flexibility to remain at their stations while the system handles maintenance checks, simultaneously improving ease of operation and maintaining ease of repair through automated accessibility.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system performs self-service by automatically monitoring and managing casing operations for maintenance. Operators are freed from the constraint of needing to physically access casings, improving operational flexibility while the automated system ensures maintenance accessibility is maintained through autonomous door control.

Inventive Principle:
Principle #25Self-service

4Measurement precision

If multiple times the casing is opened due to operator inexperience, then the blade status is repeatedly checked, but time is lost and productivity decreases

Engineering Contradiction:
Improveblade status monitoringVSAvoidrepeated opening time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent replaces repeated manual opening with continuous automated sensor monitoring that precisely detects blade status without requiring physical access. This substitution maintains accurate monitoring while eliminating time waste from repeated casing openings by providing continuous digital feedback on blade condition.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The automated system implements continuous feedback through sensors that monitor blade status in real-time. This feedback mechanism provides precise blade condition information without requiring repeated physical inspections, eliminating time loss while maintaining measurement precision through ongoing automated detection.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP4596154A1Sawing machine
Publication Date: 2025.08.06 SCM GRP
  • EP4596154A1 patent drawingFigure 1~2
  • EP4596154A1 patent drawingFigure 3~4
  • EP4596154A1 patent drawing

AI summary

The present invention relates to an improved sawing machine (M). Said sawing machine comprises a working station (WS) comprising on turn a cutting unit (GB), wherein said cutting unit (GB) comprises at least a first blade (B1, B2), as well as a first casing (C1) in which said cutting unit (GB) is housed when said cutting unit (GB) is not in use and/or a second casing (C2) for receiving a quantity of machining chips generated by one or more machining performed by said cutting unit (GB) on said at least one piece (P1, P2). Each casing (C1, C2) comprises a respective opening (A1, A2) and a respective door (D1) for closing said opening (A1, A2) and respective moving means (MM1, MM2) for opening the respective door (D1, D2). Said sawing machine (M) comprises storage means (SM) and a logic control unit (U) configured to acquire a machining parameter, through an acquiring device (SD), and compare said machining parameter with a reference parameter stored in said storage means (SM) and send a signal to the respective moving means (MM1, MM2) of the first casing (C1) and/or of the second casing (C2) to open the respective door (D1, D2).