The Framers Forum

Hi. I wonder if anyone can help me? I have a second hand Morso mitre cutter in good condition and have recently purchased a Cassese Underpinner again second hand. I tend to use wide mouldings for framing my large paintings. I'm repeatedly having the same problem, gaping inside edge of mitre join. My husband has changed the blades on the Morso and checked they're correctly fitted but I'm still having the same problem. Does anyone have any ideas?!?!?

Hello

It could be you need to adjust your left hand fence on the morso. Have a read here http://theframersforum.com/viewtopic.ph ... 0&p=105568

Also, it might be worth while just checking your underpinner, do the joins match neatly before pinning? Any calibration issues with be more evident on wider mouldings BTW.

Thanks for both your replies. Will read article David. I've adjusted the inside arm of the Underpinner several times. It always seems correct with the first two joins then the problems start, that's why I'm beginning to suspect the Morso. As you say, the problem is more obvious with wider mouldings.

I've posted the solution before, several times - as many others have, or their versions but it's probably quicker to do it again than try and find it/them all!

Get a flat batten at least 3" wide - or a flat moulding but if a moulding cut it face down to take the rebate supports out of the equation.

Make a frame about 10x10", no glue and just two V nails per corner, one front, one back. If it's open at the front, move the left fence back (towards you) a fraction. Don't cut another frame, take this one apart, remove the V nails, trim the ends clean and make a slightly smaller frame; the smaller the frame the better within reason, if you can get a tiny frame in a wide moulding perfect, you're sorted (until the blades wear or you fit new ones, maybe ..but not always ... from my experience not often at all)

I always have a small wide frame under the bench somewhere ready to be broken apart and reduced for morso calibration.

Here's another one...

http://theframersforum.com/viewtopic.ph ... eak#p77948


It's a trick you don't find in the manual.

Thank you so much everyone! Problem now solved! Great to know there's a site to refer to with such helpful people when there's a problem.

Out of interest... for your issue what was the best solution?

You should be able to save topics into a favourites on here. I have just purchased a second hand morso - so no doubt I will have these sorts of queries!

Forum topics can be bookmarked for easy reference.

Scroll down to the bottom of any topic to find the Bookmark link.