It's still been too warm to mill so I thought I'd start a new project - something I've had in my plans book for some time. This is part one of a rail or beam mill. My aim here is to make something that I can use to break up slabs into boards or beams but I may also use it to make cants so that I do not need to roll the log. I also thought I should show you what it looks like when I weld it up - warts and all - instead of the glossy job done by my BIL. Don't worry - even though it looks dodgy, it's plenty strong enough for what I want to use it for. Except for the wheels which I turned on the metal lathe at work everything else has been done in my shed - nothing fancy $60 stick welder, budget $20 angle grinder, and heavy duty drill press.
The design is based on a whole lot of ideas snaffled from here and there although I think my bar tilt correction mechanism may be an original idea - I never can tell because I look at so many designs. The frame is basically 1" x 3/16" angle iron which I did pay money for. The chunky metal blocks come from a bent heavy duty tow bar I picked up from the kerbside garbage pickup. The rests is craps from the scrap bin at work.
The base is designed to run on any flat board that is at least 1" thick and from 3 to 5.5" wide. Here is a view from the top.
The two nuts sitting atop the long slots, and the bolt at the back can be undone so the back wheel section slides out to accommodate wider boards
The brass wheels turn on 1/4" bolts and have 90º Vees cut into the rolling face. This stops the mill moving sideways and up and down. I'm trying without bearings to start with as it runs free and smooth but let's wait and see what sawdust will do.
The angle of the bar away from the vertical can be change by loosening all the allen bolts and the bolt atop the rear metal block then moving the bar to the desired position - usually vertical - this can be checked with a digital angle finder. The movement os very smooth allowing for fine tuning of the bar tilt angle.
The extent of the movement/correction possible is shown here.
Currently I have a basic bar clamp to hold the CS but there are a lot more mods/extras to be added yet including a design that connects direct to the bar bolts like otehr mills already out there.