egnald
Member
I just ran across a great little video that was put out by Penn State Industries that shows a comparison between a gouge and a negative rake carbide on a polyester blank. Link to Video - Dave
Penn State Industries Video on Negative Rake Carbide
- Thread starter egnald
- Start date
Signed-In Members Don't See This Ad
Signed-In Members Don't See This Ad
jocat54
Member
Don't do facbook
Twist&Click
Member
YouTube.
SabertoothBunny
Member
This PSI carbide tip is just another knock off of the Easy Wood Tools negative rake carbide. The quality is not the same and it will have a shorter use life that the EWT carbides. Just go with the EWT carbide, it is an actual American made product and the cutting tips stay sharper noticeably longer.
wood-of-1kind
Member
I very much doubt that the EWT carbide insert is American made. As someone who purchased thousands of inserts…the finest quality carbide inserts were manufactured in Germany (IMO). Most inserts are manufactured in China today and depending on the source of origin are good quality. But heck yah, if it makes you feel better then go ahead and purchase the overpriced EWT inserts.
randyrls
Member
To join the thread; Negative rake is over-rated and I am not a fan. The only thing that matters is the tool presentation of the tool to the work and the force-vectors on the work piece. I use flat-top carbide bits and present them below center. I hone them on a diamond credit card sized hone. I have bits that are many years old. I had to throw a bit away not because it wasn't sharp, but because it was too thin! I had honed it down to the point where the screw bottomed out in the hole and couldn't tighten it down.
Present the tool horizontal and above center and you will get pits galore. Present the tool below center and use gentle pressure and get endless ribbons. The further below center you go the more aggressive the cut and the more force is applied to the blank. You are pushing the tool tip into the blank and not prying the blank cutter edge outward.
Present the tool horizontal and above center and you will get pits galore. Present the tool below center and use gentle pressure and get endless ribbons. The further below center you go the more aggressive the cut and the more force is applied to the blank. You are pushing the tool tip into the blank and not prying the blank cutter edge outward.
ed4copies
Local Chapter Manager
The current owners of Easy Wood Tools have been producing carbide tips for many years, prior to buying EWT. Yes, their manufacturing is in the USA.
Just clarifying the facts-you can view it any way you like.
Just clarifying the facts-you can view it any way you like.
NJturner
Member
@SabertoothBunny - I think it would be fair to say that you are a demonstrator for EWT in your reply, however, I agree, their products are well made, and they stand behind their stuff.
As for Negative Rake edges, I do believe they are an advantage for many materials and turners, as the rake angle reduces the aggressiveness of a cut allowing a little more leeway for differing skill levels and easily pitted materials. Not going to get into the argument of carbide vs classic tool steel....lol.
Kevin
wood-of-1kind
Member
Have you visited their manufacturing facility where the carbide inserts are manufactured?
SabertoothBunny
Member
EWT is all made in their factory in Kentucky. Yes, it is American made. I have not used the German ones you are referencing.
wood-of-1kind
Member
So they say. Please forgive me for having my doubts in terms of the inserts. No doubt about the tools (steel) and wood
handles being made in KY. Quite frankly the Caliendo's merely adapted to use the already existing carbide inserts that were
being used in the woodworking industry. Chris was quite clever to put the inserts and use them to produce TURNING TOOLS. I do not wish to stir controversy but merely wish to shed light on the origins and use of carbide inserts.