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Message Thread:

Video of my 12 volt dual feed cutting a Black Oak

7/23/14       
Rod Hays

This is my first try at cutting with this new dual power feed and it seems like its working a lot better then the single power feed.

7/27/14       #2: Video of my 12 volt dual feed cutti ...
Mark B Member

May be time to swap your blade. You know your mill but my small manual mill will run a pass far faster than that in the same material or harder with a smaller blade and likely less horse power.

We tend to average about 2-3 blades per thousand but that's sawing for production. A good rule I have always held close is to swap a blade the instant it has an issue or even slightly slows down. Its the only way to keep up production and additionally the longer you push a dull/damaged blade the more stress you put on it which means it will break far sooner.

In our experience taking your blades out of service the instant they slow increases blade life drastically. Blades are so expensive now its hard to ignore.

7/27/14       #3: Video of my 12 volt dual feed cutti ...
Rod Hays

Hi Mark, it was my first time using the power feed,and on wide boards that are 2 or 3 feet wide I go slower so that I don't get any waves in the lumber was the reason I was going slow. The blade might be getting dull some also.Never broke a blade and I don't use water on the blade either. How wide of lumber does your sawmill cut?

7/27/14       #4: Video of my 12 volt dual feed cutti ...
Mark B Member

Can pass 30"+ through the head. Sawing those big logs isn't any fun for me though. Never saw without water myself. Ever.

7/27/14       #5: Video of my 12 volt dual feed cutti ...
Rod Hays

Before this mill I had a mill that would cut 30'' logs. The problem was you had to have the log on there just right to get it though the post. Then the next problem was it was only 16'' between the saw guides which means I had to filp the log alot. The mill I built I can saw a 36'' log all the way down without filpping it. It's a lot of work filpping those big log manually.

7/27/14       #6: Video of my 12 volt dual feed cutti ...
Rod Hays

here is a picture of a 28'' log i had on my first mill that the max log size was 30''.

Log

7/27/14       #7: Video of my 12 volt dual feed cutti ...
Mark B Member

I roll all logs a lot regardless. In my experience even with the best logs there is always tension that needs to be sawn out of the log and the only way to deal with this tension is to continually roll the log keeping the cant as straight as possible.

On rare occasion, mainly with very nasty logs that we will saw thick, I will simply flat saw a log down without rolling. The vast majority of the sawing I do though I am trying to get the highest quality material for the time and money invested. Rolling is the only way I have found to get the most consistent 4/4 and 5/4 material off.

Its much easier to process once dry.

7/27/14       #8: Video of my 12 volt dual feed cutti ...
Rod Hays

I'm not sure what you mean by '' highest quality material''.The lumber I sale to the public are happy with the lumber.Also I don't seem to find much tension in those big logs when I flat saw them. Might be some on the last 6'' though. As long as the log is clamped down and can't move tension shouldn't be a problem,.

7/27/14       #9: Video of my 12 volt dual feed cutti ...
Mark B Member

Ive never seen a set of dogs that could hold back a log that wants to move.

By quality I mean boards that are not thick and thin and are as straight as I can get them off the mill. Ive not found that possible with simply sawing a cant down without rolling.

Tension is there in even the straightest of logs as you open them and take boards off the cant.

7/27/14       #10: Video of my 12 volt dual feed cutti ...
Rod Hays

I hear you on that Mark,nothing worse then a miscut. I got a miscut a while back,and the problem was I forgot to tighten the guide bearing. I've just about got the miscuts down 0%. New mill and all I had some inherent design problems I had to over come. The 26 1/2'' dim tires has its advantages and disadvantages was one of the design problems I had to over come.The tires weigh over 50 pounds each flying around at 60 MPH. with a thin pice of metal with sharp teeth riding in the middel of those tires. iIt might sound like I've built a dangerous contraption, but it seems to be working.

 

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