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  #241  
Old Wed 28 April 2010, 07:01
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Johan's G203 drives could give a cooler result than your G202's....also, he doesn't seem to be doing lengthy 3D cuts....

You loose low-speed torque by dropping the current setting and you will loose high-speed torque by dropping the voltage setting. (I would prefer to loose the low-speed torque).
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  #242  
Old Wed 28 April 2010, 07:21
Kobus_Joubert
Just call me: Kobus #6
 
Riversdale Western Cape
South Africa
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47k tong tippie toets.
68k 3D long cuts....hard boiled eggs.
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  #243  
Old Wed 28 April 2010, 07:38
hennie
Just call me: Hennie #23
 
Roodepoort JHB
South Africa
Johan I have the same transformer and I also had the hottish problem.I started reducing my resistance to a point that I allowed only 2 amps.Although my motors ran cool so much that I can work the whole day without even feeling some heat.At a fast speed I lost steps so I increased it to just under 3 amps.Up to now no lost steps and the heat is under control.
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  #244  
Old Tue 11 May 2010, 01:10
Lex
Just call me: Johan #56
 
Empangeni KwaZuluNatal
South Africa
VivaSign1.jpg

I did this sign for my niece.
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  #245  
Old Tue 11 May 2010, 01:30
Kobus_Joubert
Just call me: Kobus #6
 
Riversdale Western Cape
South Africa
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Nice, VIVA...is that the horses name?
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  #246  
Old Tue 11 May 2010, 02:31
Lex
Just call me: Johan #56
 
Empangeni KwaZuluNatal
South Africa
Yes it is Kobus.
How do you like my crackle finish? I made a mistake by spraying clear laquer over varnish.
I was also to excited to start cutting before facing the table. The leg detail was cut deeper because of that.
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  #247  
Old Tue 11 May 2010, 07:20
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
A belt sander will fix the leg detail issue . . . . and the crackle paint.
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  #248  
Old Tue 11 May 2010, 07:52
Lex
Just call me: Johan #56
 
Empangeni KwaZuluNatal
South Africa
Gerald, I am starting to see that the finishing is a business on it's own with it's own set of problems. Took me maybe 15 minutes to draw, 6 minutes to cut and to finish it, over 2 days between sanding and painting.
You said it before, it will be more profitable to look for the customers that need the cutting done only. Otherwise my little business will end up as a finishing business with cnc cutting on the side!
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  #249  
Old Tue 11 May 2010, 10:29
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Son Sean started his business on pine signs for horse stable doors. All the same font and height (Lucida, 60mm), and all were finished with one brushed coat of Rubbol. (Equivalent Sikkens). It was an easy, foolproof "varnish", but fairly expensive.
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  #250  
Old Wed 30 June 2010, 23:57
hennie
Just call me: Hennie #23
 
Roodepoort JHB
South Africa
Hoe ver is Balito van jou af?
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  #251  
Old Thu 01 July 2010, 00:09
Lex
Just call me: Johan #56
 
Empangeni KwaZuluNatal
South Africa
Bietjie meer as 'n uur se ry. Hoekom? Ek hoop jy kom vir my kuier. Laat weet.
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  #252  
Old Mon 02 August 2010, 00:00
Lex
Just call me: Johan #56
 
Empangeni KwaZuluNatal
South Africa
I had a spectacular bit failure with my first paying job.
I used a 19mm straight bit but I think it was not the correct choice if one look at the bad finish.
Any suggestion which bit will be the correct one?
Because I only had one 19mm straight bit I had to start cutting the rings and the bottom piece seperately out of 6mm Supawood.
Tonight I will have to start glueing the pieces together.
Which glue is the best to use on Supawood.?
Wood glue or epoxy?

Bord1.jpg

Bord2.jpg
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  #253  
Old Mon 02 August 2010, 01:15
hennie
Just call me: Hennie #23
 
Roodepoort JHB
South Africa
Johan ,any white wood glue would do.get the quick set one.What did you want to do with the circle?
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  #254  
Old Mon 02 August 2010, 01:34
hennie
Just call me: Hennie #23
 
Roodepoort JHB
South Africa
Johan het jy pockets probeer in die sirkel.Verminder jou step over na 10 % as jy pockets doen. dit vat langer maar daar is nie die merke in die middel.verander jou diepte wat die cutter sny ook na .5 mm of .8 dan sal dit dalk werk.( ek weet nie watter cutter jy gebruik het nie maar as jy onseker is vat laner en stadiger)
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  #255  
Old Mon 02 August 2010, 12:57
Kobus_Joubert
Just call me: Kobus #6
 
Riversdale Western Cape
South Africa
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Johan, that also looks like the MDF is not firmly on the table.
What I do is to cut a very light OUTSIDE cut ( say 0.1mm) of each piece.
I can then see where the cutter will not cut and in these places I nail or screw the
sheet firmly to the table.
After it is fixed properly, I do the insides and then eventually cutting it loose on the outside.
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  #256  
Old Mon 02 August 2010, 23:09
Lex
Just call me: Johan #56
 
Empangeni KwaZuluNatal
South Africa
Thanks for the advice Hennie en Kobus.
I did notice that the MDF was not firmly down. I will do what you suggest on the next job.
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  #257  
Old Tue 03 August 2010, 01:05
hennie
Just call me: Hennie #23
 
Roodepoort JHB
South Africa
Johan, for us that don`t have vacume hold down it is nearly impossable to get a good cut if you do thin sheets of mdf.Rater cut your full sheet into smaller sections and cut 2 at a time.It takes longer but less hassles and your sheet doesn`t warp that much when you cut.
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  #258  
Old Tue 03 August 2010, 03:10
Lex
Just call me: Johan #56
 
Empangeni KwaZuluNatal
South Africa
Thanks Hennie. Big learning curve for me on the full sheets.
The client was not happy with the finish so I suggest to cut the the rings and the bottom sepperately and then glue them together.
On the MechMate I only clamped it on the edges at four places. The code was set to cut 1mm into the sacrificial board and it actually did not cut through - short of 1mm. I never realised that it will lift by that much! - 2mm!
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  #259  
Old Tue 03 August 2010, 04:33
hennie
Just call me: Hennie #23
 
Roodepoort JHB
South Africa
Johan set your z-0 on top of your sacrificial board and not the top of your board that you cut as some times the boards are not the same thickness all over.
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  #260  
Old Sat 30 April 2011, 23:22
hennie
Just call me: Hennie #23
 
Roodepoort JHB
South Africa
Wat het van jou geword?
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  #261  
Old Tue 30 October 2012, 02:07
Lex
Just call me: Johan #56
 
Empangeni KwaZuluNatal
South Africa
Wow, can't believe that I have posted that long ago!

CLModelJohanWeb.jpg


I worked on this little project with Bell Equipment for a show in Durban In September. I didn't make a lot of money but I had a lot of fun!
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  #262  
Old Tue 30 October 2012, 04:06
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
I hope there is a grandchild that got a chance to play with that!
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  #263  
Old Tue 30 October 2012, 06:41
hennie
Just call me: Hennie #23
 
Roodepoort JHB
South Africa
Gerald, Johan said he had a lot of fun so that means he played with it himself.
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  #264  
Old Wed 31 October 2012, 00:14
Lex
Just call me: Johan #56
 
Empangeni KwaZuluNatal
South Africa
No grandchildren yet, but I am prepared!
I always like to make toys. The look in any child's eyes are more rewarding than any well finished sign delivered to the grateful owner.
And .. one have to play with it a bit to test the strength of all the glue joints.
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