Re: [papercreters] New scissors barrel mixer

I'm thinking the bolt keying to the shaft might be the weak point unless the
shaft has a deep well for the bolt to register in.

T
And the bolt should be hardned.

Just my 2 bits.

Dan
----- Original Message -----
From: "spaceman" <Spaceman@starship-enterprises.net>
To: <papercreters@yahoogroups.com>
Sent: Tuesday, October 02, 2012 9:00 AM
Subject: Re: [papercreters] New scissors barrel mixer


>
> Well the photo doesn't show a lot of detail, but I can assure you that I
> welded those nuts to the angle so they won't come off unless the angle is
> ripped apart. The welds aren't pretty but they are strong. A sledge hammer
> weld check confirms this. This is 2x2 angle as you guessed. The blades are
> 16" long which I suspect may be a bit much but I made it so I can take it
> apart and modify as needed. I tried to get it finished yesterday, got the
> motor mounted, but still need a couple of hours tying up loose ends. No
> time today, maybe tomorrow.
>
>
>
> On 10/2/2012 8:45 AM, Ron Richter wrote:
>
> Spaceman,
> I see where you bolted the nuts to the drive bar, but with paper in there
> and water it looks like you'll need a bit more weld to hold the nut to the
> angle iron. If the attach point were a bit more toward the center of the
> angle iron it may hold, but you may need to add a flat plate on the other
> side of the angle iron and another nut with bolt through the drive bar to
> hold it.
>
> I may be wrong, but the torque on that nut at the side of the angle iron
> may be too much and it will shear the nut from the angle. Don't have
> dimensions, so if the driven angle is only 8" long or so, and the angle is
> 2" X 2" or less it may be fine.
>
> Can't wait to hear how it works.Â
>
> Ron
>
>
>
>
>
>
> ------------------------------------------------------------------------------
>
>
>
>
>
> This is the beast in the barrel. It is long enough that the three legs
> will not spin. It is not bolted to the barrel. The shaft goes through
> metal brackets that are on the outside. These brackets hold the shaft
> bushings and will support the motor. The blades are keyed to the shaft
> with bolts so that they can be removed if I ever need to work on the
> mixer. The alternative would have been to weld them in place, making it
> really hard to repair.
>
> If things go right I'll have this running tomorrow. I'll take more photos
> in the daylight after I get the motor running, and post a report on how it
> makes pulp.
>
> The original description said McCain's would mix a barrel full in two
> minutes flat!!! If this one is even close to that, I think I'll make short
> work of the triangles for the underground dome.
>
> spaceman
>
>
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>
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.2221 / Virus Database: 2441/5303 - Release Date: 10/01/12
>



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