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Author Topic: 50 degree miter with TS 75 EQ  (Read 3391 times)

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Offline jjake

  • Posts: 4
50 degree miter with TS 75 EQ
« on: May 27, 2015, 05:18 PM »
Is there a way to modify saw for a 50 degree miter? Or, any degree greater than 45?
If not, do you have advice on wedging rail to increase miter?
Thanks, Jim

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Offline Doug S

  • Posts: 540
Re: 50 degree miter with TS 75 EQ
« Reply #1 on: May 27, 2015, 06:03 PM »
Think this has been discussed before but can you clamp material vertically to side of a bench  then cut from above at 40 degree (don't know if I got my maths right). Alternatively buy the new festool HKC 55 that's coming out, think it bevels over to 50 degrees  [smile]

Doug

Offline bkharman

  • Posts: 2074
Re: 50 degree miter with TS 75 EQ
« Reply #2 on: May 27, 2015, 08:48 PM »

Is there a way to modify saw for a 50 degree miter? Or, any degree greater than 45?
If not, do you have advice on wedging rail to increase miter?
Thanks, Jim

Can you flip the board over?  You are saying miter but I assume you mean bevel. If the stock isn't too thick (to cut in 1 pass) I would flip it over and cut at 40.

If this isn't what you are chatting about, draw a quick pic.

Cheers. Bryan.
People, I just want to say, you know, can we all get along? Can we get along?

Offline tjbnwi

  • Posts: 6576
  • No longer in Cedar Tucky Indiana
Re: 50 degree miter with TS 75 EQ
« Reply #3 on: May 27, 2015, 08:52 PM »
Edge cut.

Tom

Offline Holmz

  • Posts: 4010
Re: 50 degree miter with TS 75 EQ
« Reply #4 on: May 27, 2015, 09:13 PM »
...then cut from above at 40 degree (don't know if I got my maths right).
...

I took my shoe off, and got the same number. [big grin]

The other option is to make a wedge of 5 degrees. The math(s) are:
Sin(5) ~= Tan(5)

So the fat side should be [width*tan(5)] greater than the thin side.
that is '0.087" of rise'/ 'inch of width'
or
'8.7-mm rise' per '100-mm or width'.

I could pull out the FT rail from the MFT box if I 'CBA', but assuming it is ~7" then the fat side will be 0.615" higher than the thin side.
If the wedge was just a strip at the far side then that seems easier than a wedge.
To keep the track from cupping I would suggest a strip under the clamp... You can work it out, but it should be ~3/16 of an inch.

Offline jjake

  • Posts: 4
Re: 50 degree miter with TS 75 EQ
« Reply #5 on: May 27, 2015, 09:39 PM »
Wow! I think I'm gonna like this group...
I'm miter folding Brookside veneer panels on a reception desk and the angle of the face is 84 degrees to the countertop. Panels too big to edge saw accurately. Love the math for wedging rail! I will look into the "55" saw as my next job involves 50 degree miters (bevels) on 200 panels.
Thank you for all the input,
Jim

Offline tjbnwi

  • Posts: 6576
  • No longer in Cedar Tucky Indiana
Re: 50 degree miter with TS 75 EQ
« Reply #6 on: May 27, 2015, 10:05 PM »
With that many panels I'd look into having a router bit made.

Tom