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The following are a list of the most common asked questions – we hope the following answers help!! If not please contact us for further assistance.
Q. Why does the crease crack in the centre of the fold?
A. Creasing rule is likely set too high, there we recommend you lower the rule height.
Q. Why does the crease crack at the edge of the fold?
A. It is possible the creasing rule is not in correct alignment with centre of matrix, so we would suggest replacing matrix, if making ready by hand then trim the edges.
Q. The crease cracks at two edges of fold, how can I remedy this?
A. It sounds like the channel width is too narrow, therefore we recommend you use a wider channel.
Q. The definition of the crease is not as good as I had hoped.
A. It sounds as though the creasing rule to be too low or the channel is too wide, in which case we would recommend increasing height of rule with C&T Shim tape or using a narrower channel.
Q. Why does the bead collapse at the back of the crease?
A. It sounds as though the creasing rule may be set too low, so again increase height of rule using shim tape.
Q. I get a poor crease definition when I use a low-grade board – how can I improve results?
A. This is a common problem, it is likely that the channel depth may be too shallow. Try using a deeper matrix.
Q. I have trouble fitting the locator onto the creasing rule, what is your solution?
A. It is one of 2 reasons that you experience this problem. Either i) you have the incorrect locator size (e.g. a 2pt locator on to a 4 pt creasing rule OR ii) the creasing rules are damaged or rusty. We would recommend the following course of action: i) use a wider locator and ii) either replace the damaged rules or, if rusty, lubricate with oil or wax (a candle works perfectly!)
Q. The creasing matrix doesn’t stick properly to the cutting plate, please advise what to do?
A. It is likely that the cutting surface is dirty or oily, therefore we would recommend cleaning the surface thoroughly to remove the contamination.
Q. I frequently experience bruising at the edges of the creases, how do I overcome this?
A. It sounds as though there is too much pressure being applied, the best solution to maintain the crease definition would be to rub down the matrix with sandpaper or chamfer the ends of the matrix.
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C&T Matrix manufactures a world renowned range of specialist products primarily for the print and packaging industries, which we have developed closely with our customers for over 15 years. Precision engineering and a diverse range of brands ensure efficient performance whatever your needs.