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Need a 5" Dividing head?

Alexander

Well-Known Member
Moderator
Premium Member
#2
Good eye. I am really starting to like Amazon. I don't buy anything expensive on there just stuff like rechargeable battery packs and auto parts. This looks like a pretty good deal to me.
 

PeterT

Ultra Member
Premium Member
#3
Check the fine print unless you have USA middleman dropoff provisions

This item does not ship to Calgary, Canada. Please check other sellers who may ship internationally.
 
#4
well they shipped it to me for free. There was tax, custom's fee and a small duty charge. All of it was a little over $40.00 and about a month later sent me $1.56 refund. All together the $300.00 us dividing head cost me $443.00 kanuck bucks.

It is better quality than I expected. The owners/users manual is horrible but Grizzly tools has a great manual for it on their website. It is free and in PDF form.
 

PeterT

Ultra Member
Premium Member
#5
That's great news. I actually had a similar experience with dot com. Even though it said 'does not ship to Canada / my location' I stuck it in the cart & pressed Buy just to see. Sure enough the transaction completed. But I've also had some that refused to go through. So I guess it depends. But I really cant say what it depends on!
 

Tom O

Active Member
#6
Usually if there is something I want and it says not to Canada I will contact them and tell them I’m familiar with the way that it works with the exchange rate and customs and that there will be no problems this usually works.
 
#7
I also ordered one of these a little while back. I think it came to $415 all said and done.

Buckbrush, were you able to adjust the backlash out of the gearing effectively? I found the worm gear (not the worm itself) to be slightly out of concentricity, meaning it's tight 0-180 degrees and loose 180-360... which is rather unfortunate. Otherwise it's a pretty nice unit.
 
#8
I also ordered one of these a little while back. I think it came to $415 all said and done.

Buckbrush, were you able to adjust the backlash out of the gearing effectively? I found the worm gear (not the worm itself) to be slightly out of concentricity, meaning it's tight 0-180 degrees and loose 180-360... which is rather unfortunate. Otherwise it's a pretty nice unit.

Mine is fine, I think there is something about backlash adjustment in the grizzly manual. Cocentricity wise, I am not sure how to fix that. Perhaps a new part from Grizzly?
 
#9
Yeah it is adjustable. The worm sits in a eeccentric bushing you can rotate and adjust the backlash. But because of the concentricity issue the best I can get is no blacklash/binding on the one side and about 1/4 to 1/2 of a degree of slop on the far side.

To me, having taken the whole thing apart now, it looks like the worm gear was pressed onto the key-way a little crooked, maybe deforming the gear? The worm and worm gear look like quality parts so I don't think poor tolerances are to blame. The run-out on the taper (which I'm pretty sure is a MT2 not a BS-7 as spec'd) is near zero, like less than one or two tenths. I was really impressed. (My only gripe with the unit is the low quality handle, "Sector" arms and a few unbroken edges)

Anyway , if you get a chance try adjusting yours and see what you find, I'm curious.
 
#10
B&S#7 and MT #2 tapers are very close to the same taper. I have a mill with a B&S#7 taper, it came with B&S#7 collets and a couple of MT #2 collets and they both have no run out.
 
#12
I'll have to take a more careful look. But it felt like a pretty good fit...

The run-out was measured free-spinning the dividing head with the chuck off. I think when measuring the outside of the chuck it was only 0.0005" when mounted and spun. Pretty good in my opinion. I didn't chuck anything up, as I never have high expectations with 3-jaw chucks... I plan to put a 4-Jaw on it.

I'll post some pictures when I get the chance.
 
#13
I also prefer a 4 jaw. I have purchased a 125 mm 4 jaw and backplate for mine, but I have not fitted the back plate yet. This was an Ebay purchase. There is big price range for the same chuck on there so look carefully. Chuck is a Chinese 72 model with reversible jaws, not the lighter duty model with inside and outside jaws..