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Hook angle for hardwoods - Weinig 5 head molder

1/8/16       
Scott Member

I see most corrugated molding heads are 20* and some are 12*.

Weinig's website says "20* normal" and "12* for selected hardwoods that present tear-out problems".

We are running walnut, cherry, White oak and a little alder. Which should we use?

Is 20* best for most hardwoods?

1/8/16       #2: Hook angle for hardwoods - Weinig 5 ...
Russ

Website: http://www.mr-moulding-knives.com

Scott
Maybe this article will help you.
If I can be of any further assistance our contact information is on the website.
Have a great weekend!
Russ

https://www.mr-moulding-knives.com/information/cutter-head-hook-angles

1/9/16       #3: Hook angle for hardwoods - Weinig 5 ...
Rob Scaffe  Member

The short answer, particularly for the species you list is 20º. See Russ's article for a detailed explanation.

1/11/16       #4: Hook angle for hardwoods - Weinig 5 ...
Chuck Rankin

Hi Scott:

Here is a link with a chart with generally recommended hook angles for a number of wood species.

Hope this helps. Please feel free to call with any questions.

best regards,

Chuck Rankin
Wood Tech Enterprises, Inc.
Phone (828) 628-4414

CUTTING ANGLE AND HOOK ANGLE CHART

1/11/16       #5: Hook angle for hardwoods - Weinig 5 ...
Russ

Website: http://www.mr-moulding-knives.com

Scott
Very helpful chart Chuck posted, I have attached link to the Weinig tooling catalog hook angle recommendations on page 24. These are based off of the actual cutter head you own so you don't have to buy another cutter head. Rob's recommendation should be your first choice unless you experience tearout, then switch to the 12 to solve the problem.
Good luck
Russ

https://www.mr-moulding-knives.com/documents/weinig-tooling-catalog-2014.pdf

1/21/16       #6: Hook angle for hardwoods - Weinig 5 ...
Dr. David Rankin

Depending upon your model of Weinig, I use many dual hook angle heads. This allows me to customize the tool better for specific woods. If I am running, for example, poplar and oak on the same profile I will use a 20º hook and run the poplar first. This will "dull" the tool and can change the cutting angle for the oak. In many cases, regrinding is not required. If the tool becomes to dull then you can use different grind angles to adjust the cut quality as well. If I am running only maple, then I can use the 12º hook pockets for the knives. I have used dual hook heads with angle from 5º to 24º in many combinations.

Be Safe,

Dr. David Rankin


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