Mar 11, 2013 16:02:25 GMT
geordiemols
Normal Violet
Posts: 129 
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Post by geordiemols on Mar 3, 2014 23:36:09 GMT
Made with a circular saw, quite tricky but I like to meddle about doing things like this.
Saw the video on how to do them on youtube.
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Post by BudgiesBuddy on Mar 4, 2014 3:35:20 GMT
Wow, these look exactly like the ones sold out there. Great work geordiemols  |
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Mar 11, 2013 16:02:25 GMT
geordiemols
Normal Violet
Posts: 129
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Post by geordiemols on Mar 4, 2014 10:26:46 GMT
Wow, these look exactly like the ones sold out there. Great work geordiemols And saved myself £7 already BudgiesBuddy.......lol....... |
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Post by ffiscool on Mar 4, 2014 16:52:57 GMT
fabulous.. maybe a side line business for you - you may get takers on here...
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Post by Budgies Retreat on Mar 4, 2014 17:29:19 GMT
Making these concaves is not for the feint hearted as you are having to work over an unguarded blade, and table saws take no prisoners! It is actually against H&S law in the UK to use a table saw without a proper guard covering the blade. I just hope they (H&S) don't come and inspect my table saw  In fact I have no idea where my guard is. Someone must've come and stolen it, honest! |
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Mar 11, 2013 16:02:25 GMT
geordiemols
Normal Violet
Posts: 129
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Post by geordiemols on Mar 4, 2014 21:47:27 GMT
Making these concaves is not for the feint hearted as you are having to work over an unguarded blade, and table saws take no prisoners! It is actually against H&S law in the UK to use a table saw without a proper guard covering the blade. I just hope they (H&S) don't come and inspect my table saw In fact I have no idea where my guard is. Someone must've come and stolen it, honest! You are right Daz the circular saw certainly doesn't take prisoners.
The wood I screw my concave wood into means my hand doesn't go near the blade.
Cheers.
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Mar 11, 2013 16:02:25 GMT
geordiemols
Normal Violet
Posts: 129
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Post by geordiemols on Mar 4, 2014 21:48:10 GMT
fabulous.. maybe a side line business for you - you may get takers on here...
The postage would probably be too much.....lol.........
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Post by Budgies Retreat on Mar 4, 2014 22:35:54 GMT
geordiemols do you use anything to pivot the concave on whilst it's over the blade? I've not tried to make concaves yet, but have used this method to dish something before. I clamped a 2x2 to the table with several heavy duty G cramps "pinching" the piece I wanted to cut over the blade, and had used a screw through the end of the 2x2 into the piece to rotate it, and brought the spinning blade up very very slowly as I rotated the piece. admittedly it was much bigger than a concave, and even then I was worried about kick-back, so stood at a good distance!
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Mar 11, 2013 16:02:25 GMT
geordiemols
Normal Violet
Posts: 129
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Post by geordiemols on Mar 4, 2014 22:49:33 GMT
geordiemols do you use anything to pivot the concave on whilst it's over the blade? I've not tried to make concaves yet, but have used this method to dish something before. I clamped a 2x2 to the table with several heavy duty G cramps "pinching" the piece I wanted to cut over the blade, and had used a screw through the end of the 2x2 into the piece to rotate it, and brought the spinning blade up very very slowly as I rotated the piece. admittedly it was much bigger than a concave, and even then I was worried about kick-back, so stood at a good distance! Daz,
That's exactly what I did and used a hinge on the 2x2 and a bolt through the end of the 2x2 to pivot, I used a larger piece of wood on top with a hole drilled for the bolt to pivot and spin the concave wood underneath, I fixed the concave wood onto the larger piece of wood on top with 2 screws positioned so that when the concave was spinning it wouldn't hit the blade.........
I think as you say the blade must be raised slowly to avoid kick-backs.......funnily enough I did get a kick-back yesterday and that was when I was cutting a piece of 5mm plywood to make my concaves more like drawers.
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Post by BudgiesBuddy on Mar 5, 2014 3:22:28 GMT
Wow, these look exactly like the ones sold out there. Great work geordiemols And saved myself £7 already BudgiesBuddy.......lol....... That's even better |
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Post by Budgies Retreat on Mar 5, 2014 10:15:00 GMT
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Mar 11, 2013 16:02:25 GMT
geordiemols
Normal Violet
Posts: 129
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Post by geordiemols on Mar 5, 2014 12:08:46 GMT
Ideally the blade should be raised ever so slowly but constantly as you spin the piece around, but this is not always doable, with one eye on the piece and one on the blade adjustment wheel. However, you seem to have done the job successfully, and I bet you're really looking forward to doing them again (NOT!!!  ) I'm not sure I'd do it how it shows in that video, as one hand is pressing down on the bar and you only have one other to control the spin of the piece and the blade adjustment at the same time. By clamping and pinching the piece, that side of things is taken care of, and you have both hands to work with, and keep afterwards 
kind regards Daz,
My eye is never taken off the top of the table, I never look at the control to move the blade as I know where it is without looking and I know my hand is safe there........I rotate the control half a turn each time to raise the blade and then spin the concave, I put very little pressure on the arm, basically just enough to keep it in place and roughly 5/6 full turns does the concave.
A joiner friend said to me "always be confident but know your limits" I keep that in mind.......lol........
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Post by Budgies Retreat on Mar 5, 2014 17:33:30 GMT
Totally agree, there's always a limit when it comes to the bravery test, and kick-backs still scare the bejesus out of me. Still, it keeps us on or toes |
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Mar 11, 2013 16:02:25 GMT
geordiemols
Normal Violet
Posts: 129
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Post by geordiemols on Mar 8, 2014 10:55:59 GMT
Totally agree, there's always a limit when it comes to the bravery test, and kick-backs still scare the bejesus out of me. Still, it keeps us on or toes I bought a new 7" blade to do them but I'm going to do a few over the weekend (weather permitting) and put the 10" blade back on.
I did try the flap disk on the grinder but I found I couldn't get them deep enough.
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Post by Budgies Retreat on Mar 9, 2014 1:23:46 GMT
10" will give you a wider but shallower dish, so probably better. Show us the results please?
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In fact I have no idea where my guard is. Someone must've come and stolen it, honest!
) 