Tape Section Cleaning to Remove Cutting Debris in Cartridge Manufacturing

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Solution Overview

Problem

The manufacturing process of magnetic tape storage cartridges generates debris during cutting, which can affect the longevity of the tape sections and the tape drive components, leading to reduced usability and lifespan.

Innovation Solution

A system that includes a cutting station, a cleaning station, and a spooling station, where the tape sections are cut to a smaller width, cleaned to remove debris, and then spooled into cartridges, with the cleaning process occurring either simultaneously with cutting or immediately after, ensuring each tape section is cleaned before being written with servo tracks and spooled into cartridges.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the master tape is cut into tape sections during manufacturing, then the tape can be packaged in cartridges for storage and use, but debris is generated onto the tape sections which affects longevity

Engineering Contradiction:

Improvetape cartridge manufacturingVSAvoidtape section longevity

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

A cleaning station is introduced between the cutting station and spooling station to remove debris from tape sections before they are spooled into cartridges. This preliminary cleaning action prevents debris from being trapped inside the cartridges, thereby protecting tape longevity while maintaining the manufacturing process.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If debris is removed from tape sections after cutting, then tape longevity is improved, but the manufacturing process complexity increases

Engineering Contradiction:

Improvetape section longevityVSAvoidmanufacturing process

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

A cleaning station serves as an intermediary component between the cutting station and spooling station. This dedicated cleaning mechanism removes debris from tape sections using cleaning elements that contact the tape surface, thereby improving tape longevity while adding a manageable level of complexity to the manufacturing process.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Reliability

If cleaning is performed on tape sections before spooling, then debris is reduced in cartridges, but manufacturing time increases

Engineering Contradiction:

Improvecartridge cleanlinessVSAvoidmanufacturing cycle time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The cleaning station is integrated into the continuous manufacturing line between cutting and spooling operations. The cleaning process operates continuously as tape sections move through the system, removing debris without significant interruption to the manufacturing flow. This maintains cartridge cleanliness while minimizing impact on overall manufacturing cycle time.

Inventive Principle:

Principle #20Continuity of useful action

Data Source

PatentUS10546609B2System and method for manufacturing a tape storage data cartridge

Publication Date: 2020.01.28 ORACLE INT CORP

AI summary

A method of manufacturing magnetic tape storage data cartridges may include cutting a master tape having a first width into multiple tape sections that each have a smaller width than the first width, cleaning the tape sections to remove debris caused by the cutting, and writing the servo tracks on each tape section after the tape section is cleaned. The method may further include spooling each tape section into a respective tape cartridge after writing the servo track on the tape section.