Advice for half lap joints by total newbie..... - Router Forums
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post #1 of 39 (permalink) Old 05-18-2015, 05:35 PM Thread Starter
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Default Advice for half lap joints by total newbie.....

I am a newbie here and using a router, I need to make some half lap joints in wood that is 75mm square.

I have a 1/4 inch router (cheapie but new), but so far no blades ( it shows how much of a newbie I am as I had expected them to be inside.....)

I believe from reading that a straight router is the correct blade to buy (the wood is pine), and that I should make several cuts rather than trying to make a deep one.....

BUT if anyone can guide me to where I can find more details or even a video I would be VERY grateful, as I am in France I cannot nip down to the local store and ask as they all talk funny and when it gets technical I look like Dory from "Finding Nemo" so please go gently with me.....

thanks in anticipation,

Dave
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post #2 of 39 (permalink) Old 05-18-2015, 05:39 PM
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Hello and welcome to the router forum.
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Looking forward to your participation.
Filling out your profile to include (first name,tools and short bio is strictly (optional )but does help members to better relate to each other.
Thank You John
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post #3 of 39 (permalink) Old 05-18-2015, 05:47 PM
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Hi, Dave; welcome!
If you'd like to fill out your profile it'd help other members understand what you have to work with...ie a router table or not.
Taking you at your word about being a TOTAL newbie, and that's not a problem here, I'd strongly suggest watching a few YouTube type vids, get a good router how-to book, and if possible take a course...I can see where that might be a problem language wise. Be very cautious at this point; routers bite back!

Do you have Amazon in France?
Router Magic: Jigs, Fixtures, and Tricks to Unleash Your Router's Full Potential: Bill Hylton: 9780762101856: Amazon.com: Books
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post #4 of 39 (permalink) Old 05-18-2015, 06:31 PM
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what size half laps sometimes aka ship laps are you trying to make???
FWIW... what you call blades are actually called bits...
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File Type: pdf ROUTER SAFETY 2.pdf (34.4 KB, 166 views)
File Type: pdf Routing for Beginners - Lesson - 3.pdf (856.1 KB, 187 views)
File Type: pdf Routing for Beginners - Lesson - 2.pdf (1.36 MB, 190 views)
File Type: pdf Routing for Beginners - Lesson - 1.pdf (1.50 MB, 217 views)
File Type: pdf Care and Sharpening of Router Bits.pdf (123.5 KB, 160 views)
File Type: pdf Guide to Router Collets.pdf (163.0 KB, 182 views)
File Type: pdf Routing for Beginners - Lesson - 4.pdf (1.14 MB, 184 views)
File Type: pdf Collet_Maintenance.pdf (86.2 KB, 173 views)
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File Type: pdf STUCK ROUTER BITS.pdf (117.1 KB, 176 views)
File Type: pdf Routing for beginners - Lesson - 5.pdf (4.36 MB, 191 views)
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This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”

Last edited by Stick486; 05-18-2015 at 07:09 PM.
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post #5 of 39 (permalink) Old 05-18-2015, 06:51 PM
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Welcome to the forum Dave.
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Ross,
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Enjoy the knowledge of others that can be found within.

‘Members are requested to add a first name in their profile as we are a very friendly bunch here'.
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post #6 of 39 (permalink) Old 05-18-2015, 08:08 PM
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Welcome Dave. How many sides to be machined? If it's two opposing sides I would cut the laps on a long board and then cut them to size. That you can do with the router held in your hands. If you are doing 4 sides then you really need to do that on a router table and make a push block to hold the pieces against the fence and push them past the bit. Otherwise your fingers and hands will be way too close to the bit.
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post #7 of 39 (permalink) Old 05-18-2015, 08:24 PM
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I don't know what 75mm is so I will just ask...are the joints at the end or in the inner area?
Will you be cutting more than one in the same spot of the same size?

The reason I ask is a template might work well for you. The router can follow the template and give you consistent cuts. It will be up to you to make some test cuts until you get both of the joints exactly half of the cut. Then they should fit together smoothly.

It is always best to practice on some scrap material of similar size and thickness.

Is this what you are asking to do? See pic attached.

The pieces are 75mm square x 25mm thick.
Make both cuts, then flip one of the workpieces and they should fit perfectly forming a half lap joint.
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post #8 of 39 (permalink) Old 05-18-2015, 08:57 PM
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some variations of a lapped joinery...
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This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #9 of 39 (permalink) Old 05-18-2015, 09:21 PM
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Need more info. I finally figured out 75mm is 3 inches square. That would be difficult to route hand held. Could prove difficult even with a template.
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post #10 of 39 (permalink) Old 05-18-2015, 09:36 PM
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double stick them down and route away...
since we don't know the size of the cut it just may be nothing more than a rabbet cut w/ a rabbeting bit......

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This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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