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  1. #1
    Join Date
    Feb 2006
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    Perth
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    Default Bandsaw log cutting sled

    This has been on my todo list for some time.
    I was going to use some 19 mm melamine but recently I picked up some 6 mm thick Al plate and thought this might be good to use.

    The base plate of the sled and the T-track for the log end gripper plates are all 800 mm long
    The blue bits are 2mm thick angle iron
    Bandsaw log cutting sled-bss1-jpg

    Here it is with a 500 mm long log
    Bandsaw log cutting sled-bss2-jpg

    This shows how the back of the main fence and the distance from the blade adjustment knobs.
    Bandsaw log cutting sled-bss3-jpg

    One disadvantage of Al is it does not like sliding on cast iron so I lined the underneath of the base plate in contact with the BS table with some HDPE sheet and that slides really well
    The T-Track slide is made from 1 m long 2 x 24 mm steel flat bar attached by CS screws through a mountain ash strip into the Al base plate.
    The resulting slide has minimum slop but requires a firm/positive push to move it.
    Hopefully with time and a little wax it will required less force.

    The T track slide that fits in the BS T-track is 1m long so it still holds the sled positively onto the BS table when the log clears the blade.
    Bandsaw log cutting sled-bss4-jpg

    The log end gripper plates are also made of Al plate and adjustable for position along the pair of horizontal T-Tracks.
    There is enough slop on the T track to allow for a bit of angle to accommodate non-square cut logs.
    Bandsaw log cutting sled-bssff-jpg

    The grippers themselves are just pointed 6mm steel bolts.
    If the bolts were just threaded through the 6mm thick plate Al plate they could not be tightened very hard without stripping the Al thread.
    To get around this, the holes in the Al plate are drilled and tapped to 12mm and fitted with a threaded steel plug with a head.
    Tightening the bolt against the log thus applies the force against the steel plug head which makes it a lot stronger than just a 6mm Al thread.
    Bandsaw log cutting sled-bssgrippers-jpg

    I started to make the plugs out of brass in case the blade hit one but seeing as the bolts are steel I figured the plugs could also be steel.
    I could have used short 12mm steel bolts as plugs but I was too stingy and so ended up turning then out of 16 mm bar. This took way longer than I thought it would.

    I will also make a small pair of log end gripped plates to use on smaller logs.
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  3. #2
    Join Date
    Aug 2012
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    Imbil
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    Default

    A very impressive bit of equipment you have made there Bob.
    Regards Rod.
    Rod Gilbert.

  4. #3
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    Feb 2006
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    Perth
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    Default

    Thanks Rod.

    I forgot to mention that the Al and plastic sheet was cut with a table saw with a negative raked tooth blade Mine is just a $60 Chinese Bosch blade - these are very handy).
    Even the slots in the Al plate for the fence adjustment were cut with the TS
    The cut edges were just sanded to remove the burrs and to straighten a couple of edges.

    The angle iron came from a old bed frame and the Al plate also was obtained at the right price.
    The only things that I had to fork out $ for was the T-Track (6m for $33, so I still have >4m left over for other projects) and $10 for the fasteners, the remainder came from leftovers.
    Most of the $10 was for the SS CS allen headed screws that hold the fence plates onto the angle iron.
    I've been getting these SS screws from a small local fasteners supplier at a price slightly less than what the big green store supplies zinc plated screws.

  5. #4
    Join Date
    Feb 2006
    Location
    Perth
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    First product off the sled.

    The sled is only used to cut a pair of right angled cuts and after that I used these faces up against the regular TS fence.

    125 x 500 mm x 25 mm thick board, cut a from a 100+ year old olive three branch.
    Pretty hard but not as bad as I thought it would be.
    A few splits but I should be able to work around or fill them.

    This colour differences in the photo are due to using a false for the first one - the true colours are somewhere between the two shots.
    Bandsaw log cutting sled-img_6183-jpg

    Bandsaw log cutting sled-img_6181-jpg
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  6. #5
    Join Date
    Feb 2006
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    Perth
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    Here's the first product using one of those Olive wood slices.
    Alongside is a regular wooden spoon.
    The shape was roughed out on a BS
    - then handle was turned,
    - interior of spoon hogged out and sanded with a mini Arbortech
    - exterior sanded on a belt sander.
    - final hand sanded and a couple of coat of UBeaut's food grade oil.

    The wood has a very nice feel to it.
    Bandsaw log cutting sled-bigspoon-jpg

    It's a replacement for this spoon that belongs to my SIL.
    As you can see it's well used.
    No she's not a witch - I think the use it with community events etc,
    Bandsaw log cutting sled-img_0564-jpg
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