Trimloss last updated

17th December 2016

by Julie Moorcroft

Moorcroft Computer Services

Thinking clear       Thinking software

Thinking Trimloss

 

by Julie Moorcroft

Moorcroft Computer Services

 

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(XYZ) Versus (Point to Point)

 

 

All other optimisers work to simplified pattern rules generally called (XYZ), whereas Trimloss can be told to work to a much more flexible method called (Point to Point), which is like the way in which a human glass cutter would work.  In extreme cases, (Point to Point) can perform 3% to 5% better than (XYZ) on material waste.  There are political reasons why other optimisers stuck with the old (XYZ) method, but the other reason, is that it is much more difficult to write a (Point to Point) optimiser.  

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There are just two circumstances when (XYZ) should be used.  The first is when using an automatic break out table, especially if it is a 6x3 metre table, because automatic break out has to work to the simplified rules of (XYZ).  The second circumstance is when using a semi automatic laminate table which also needs to work to the simplified rules of (XYZ).  Even in these two circumstances however, Trimloss can be instructed to switch to other stock sheets, usually smaller ones, on different cutting tables, this time using (Point to Point) optimisation to help prevent a rapid escalation in the waste, cutting the last few square metres of glass.  This also allows the original tables to continue at top speed cutting only whole stock sheets.  This is just one more utilisation of mathematical decision theory in Trimloss.  

Trimloss still produces significantly better results than other optimisers, even when it is forced to use (XYZ) for one of the reasons described above.  

 

The name (XYZ) is used for brevity when in fact there can usually be many more types of cut beyond the X, Y and Z cuts.  This does not change the fact that the Trimloss (Point to Point) method of optimisation is very much better than any other optimiser’s (XYZ) optimisation.  

 

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Our competitors often say that our Point to Point method of glass optimisation is impossible to break out.  The fact that an estimated 20 million sealed units have been produced with Trimloss without problems and making a great contribution to waste reduction, is a perfect counter to their totally unjustified claims.  


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In 1965, whilst flying with this Polish colleague, Henryk Wisniewski, we experienced two life threatening incidents, but managed by the skin of our teeth to survive.  Unfortunately, 24 years later, Henryk was not so fortunate.  Rest in peace my dear friend and colleague.