Product Review - Luban Chip Breaker

**Tom trees** · 31st October 2020, 02:33 AM

Totally agree with you Derek on your first sentence,
and I'd say we are in agreement on the angle of the cap iron/chipbreaker, don't know about yourself, but I'd guess by your comment
that you hone yours somewhere around 50 degrees also.

Can't say I agree with your second sentence though, as I have re-honed a cap iron past 65 degrees on one plane before, as my cap iron got damaged, and did not
experience this concertina effect.
I suspect your mouth might be a bit smaller than the no.5 1/2 plane which I had tried this on, the mouth of all my Bailey's are as open as they can be, but that plane has definitely a larger mouth than say my Bailey no.4.

What I did notice seemed more temperamental to advance the iron in the cut... i.e a very small turn of the adjuster acting like a lot of adjustment of the wheel!
Or in other words, hard to dial in to get a medium cut, and harder to push.

I didn't mess around too long with it, and I suspect that my cap iron might have been too close in combination with something like that 70 degree honed cap iron.
I was eager to get back to work and re-honed it back to what I had before, "an aimed for" 51 degrees, I might be a few degrees off, I can't be sure.
It must be close to that though, as I haven't noticed any change to the set distance of the cap iron to what I had beforehand.

All the best
Tom

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**derekcohen** · 31st October 2020, 11:12 AM

Can't say I agree with your second sentence though, as I have re-honed a cap iron past 65 degrees on one plane before, as my cap iron got damaged, and did not
experience this concertina effect.

Tom, as I mentioned, it is the combination of the angle at the leading edge and the closeness to the back of the blade. I was responding to your comment that getting closer was a cure, pointing out that a too high angle at the leading edge can short circuit this. A higher-than-average angle can be used, but a little further back than a lower angle at the leading edge of the chipbreaker.

I suspect your mouth might be a bit smaller than the no.5 1/2 plane which I had tried this on, the mouth of all my Bailey's are as open as they can be, but that plane has definitely a larger mouth than say my Bailey no.4.

Mouths must be wider, more open when using a chipbreaker to allow shavings to escape. I learned this a long time ago.

Regards from Perth

Derek

**delbs** · 2nd December 2020, 07:52 PM

I've received my new order for replacement chip breakers and blades for my no5 and Carter no7.

No7 is fantastic and is a joy to use. No5 I can't get the blade to fit. I'll take some photos but essentially it seems too thick and the blade protrudes so close to the top lip of the mouth that shavings have no where to go.

I've tried adjusting the frog (I think it's called) but similar result. Should I be filing the mouth open a few extra mm?

Sent from my TA-1012 using Tapatalk

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