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Milwaukee Switch Blade Selffeed Bits Problem

 
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Old 11-06-2014, 10:16 AM   #1
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Milwaukee Switch Blade Selffeed Bits Problem


Bought a set of the above cutters and have issues with them not self feeding. Any of you guys have these? What am I doing wrong?

The self feed part keeps clogging with material and won't self feed.


Attachment 120935
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Old 11-06-2014, 10:48 AM   #2
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Re: Milwaukee Switch Blade Selffeed Bits Problem


What are you drilling into?

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Old 11-06-2014, 11:37 AM   #3
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Re: Milwaukee Switch Blade Selffeed Bits Problem


Just 2x4's
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Old 11-06-2014, 04:38 PM   #4
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Re: Milwaukee Switch Blade Selffeed Bits Problem


I've had problems like that with composite, but less so with wood. The screw might not be aggressive enough. Don't think you're doing anything wrong. The screw does look a little short in the picture. I'm no engineer, but I would think you would need 4-5 threads grabbing the wood before the cutters engage. It looks like maybe only a couple threads are engaging, and they simply shear from the torque, packing the wood into the valleys.
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Old 11-06-2014, 07:13 PM   #5
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Re: Milwaukee Switch Blade Selffeed Bits Problem


Are you using a high torque right angle drill. Sometimes you really need to get good leverage to get it started , when it get's going hold on and brace it . My friend had his nose rearranged by a Millwauke right angle drill .
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Old 11-06-2014, 07:50 PM   #6
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Re: Milwaukee Switch Blade Selffeed Bits Problem


It does seem like the threads are too fine and striping out easy. I'm using it on the big dewalt one with the safety cut off to stop it smashing you up.

I'm gonna use them on some other material and see how they get on. I love the way the blade can be removed and sharpened though.
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Old 11-06-2014, 08:22 PM   #7
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Re: Milwaukee Switch Blade Selffeed Bits Problem


3 on the thread issue. When I've had a bit that would do that, I take a needle file and deepen the threads. It may not fix it 100%, but it makes it workable.
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Old 11-06-2014, 09:04 PM   #8
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Re: Milwaukee Switch Blade Selffeed Bits Problem


That f-ing reverse gets me every other week, check it out.
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Old 11-06-2014, 09:09 PM   #9
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Re: Milwaukee Switch Blade Selffeed Bits Problem


It's more to do with the heat from the bit spinning causeing the wood to melt in place .
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Old 11-06-2014, 09:58 PM   #10
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Re: Milwaukee Switch Blade Selffeed Bits Problem


Quote:
Originally Posted by hdavis
3 on the thread issue. When I've had a bit that would do that, I take a needle file and deepen the threads. It may not fix it 100%, but it makes it workable.
Three is pretty common with machine screws, but I was thinking that the taper on the lead screw would make the first 3 threads marginally effective. You don't get to the meat of that screw until several threads in.
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Old 11-07-2014, 02:07 AM   #11
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Re: Milwaukee Switch Blade Selffeed Bits Problem


Did you hit a pitch pocket? Maybe it's just pitch
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Old 11-07-2014, 06:46 AM   #12
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Re: Milwaukee Switch Blade Selffeed Bits Problem


Quote:
Originally Posted by Californiadecks
Did you hit a pitch pocket? Maybe it's just pitch
I kept thinking I was hitting knots but every time I looked in the partial hole it was clean wood. It's my first time using them so perhaps it's more to do with technique than the bit as I'm sure they must have tested these things before releasing them.
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Old 11-07-2014, 08:31 AM   #13
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Re: Milwaukee Switch Blade Selffeed Bits Problem


Quote:
Originally Posted by BCConstruction View Post
I kept thinking I was hitting knots but every time I looked in the partial hole it was clean wood. It's my first time using them so perhaps it's more to do with technique than the bit as I'm sure they must have tested these things before releasing them.
Try more pressure when you start so it screws in rather than making shavings. Might lube the threads, too. More pressure until it grabs is the main thing.
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Old 11-07-2014, 11:07 AM   #14
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Re: Milwaukee Switch Blade Selffeed Bits Problem


My set came with course and fine thread screws. That looks like a fine thread.
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Old 11-07-2014, 03:21 PM   #15
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Re: Milwaukee Switch Blade Selffeed Bits Problem


You might be drilling to fast perhaps?
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Old 11-07-2014, 04:17 PM   #16
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Re: Milwaukee Switch Blade Selffeed Bits Problem


or too slow?
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Old 11-08-2014, 06:34 AM   #17
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Re: Milwaukee Switch Blade Selffeed Bits Problem


Push harder

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