How to make a Super Flat Workbench Top / Assembly Table - DIY Torsion Box

Тәжірибелік нұсқаулар және стиль

Learn how to make a super flat workbench top for your work table. In this video I will show you how I made a Torsion Box. A Torsion Box is a super flat and very durable workbench top / assembly table. It is ideal for assembling furniture, woodworking, and for any project where a dead flat table is needed (pouring epoxy wood tables for example). This can be made in a day with less than $60 in materials.
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Below you can find a list of the tools and materials I use in this video and on a daily basis. I am not sponsored by any of these companies or brands. However, I do earn a very small commission if you use any of the links below to purchase. There is no added cost to you at all and it's greatly appreciated since it helps me keep the lights on in my shop and making more content! Thank you!
Dewalt 7491RS Table Saw amzn.to/2QDJCpK
Dewalt DWS716 Dual Bevel Mitre Saw amzn.to/2EQ88B7
Makita BO5041K 5-inch Random Orbital Sander amzn.to/3hFInCo
Klingspor Sanding Discs
Rigid 4 gal 5.0 Peak HP Wet/Dry Shop Vac amzn.to/31L1bux
E. Emerson CT50 - 50" C Series Twin Clamp
Craftsman 12 amp 7-1/4 Circular Saw amzn.to/2EJQQG6
Titebond I Original Wood Glue amzn.to/32AQ4n3
#flatworkbench, #torsionbox, #shopbench,

Пікірлер: 67

  • @stacyevans1360
    @stacyevans136027 минут бұрын

    Great info and a nice build. My nitpick is "Go Ahead" It's like raw onions in your pudding. My most favorite tubers don't overuse this filler.

  • @doughaber3330
    @doughaber33302 жыл бұрын

    I was hoping it would be out maybe 1/100000000th. Straight true and flat make me lose sleep. Anyone else have this problem???

  • @jay-rus4437
    @jay-rus44373 жыл бұрын

    I use a large piece of granite on the worktop on one of my assembly tables. It is also awesome when gluing up etc since it doesnt stick and is easily scraped clean. Picked up a reasonably large remnant from a local installer. It wasnt bad in cost since they didnt need to do any polishing on the edges etc.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Nice! Also a great idea since it goes down very easily and I’m sure remnants are fairly cheap too.

  • @Guardian_Arias
    @Guardian_Arias3 жыл бұрын

    I did this about 5 years ago to build a full workbench sized router table. Be warned the MDF internals dont take to kindly to vibrations. Remade it with 3/4 MDF top and bottoms with 3 inch by 3/4 plywood strips for the ribs. Far more durable, MDF stud that just gets clamped down using pipe clamps is perfect as a fence for a router table. Also its crazy how much more comfortable it is to run wood on a router table to make your own base boards when the fence is set up at a 45ish degree angle to your boddy. Its almost like running wood on a table saw but with the angle you easily push against the fence with only one natural movement.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Great info! I’ll be sure to keep this in mind as time progresses. I’m sure I’ll make a larger one too once I have more space to accommodate it. Thanks for watching! 👍

  • @norm5785
    @norm57853 жыл бұрын

    Great build, thank you for sharing your new work surface build with us, from Henrico County Virginia, have a great week.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thanks brother! I appreciate the feedback. Have a wonderful week yourself!

  • @Doc_K-Space
    @Doc_K-Space2 жыл бұрын

    Have you discovered any issues or adjustments that needed to be made status-post build? Thank you for the informative and helpful video! -Doc

  • @SRG-Learn-Makers
    @SRG-Learn-Makers3 жыл бұрын

    Really good, nice job. I have to build two workbenchs, at least one of them is going to be this one, thanks for sharing.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Glad you found some use out of it. Good luck with the benches!

  • @seanoneill7085
    @seanoneill70853 жыл бұрын

    Very well done. I agree with how you set up things. I am a Mechanical Engineer and your establishing a flat reference (Unistrut) was very good. I do wood working too and I am planning on making a combination outfeed/assembly table. I have 2 benches but I want something flatter. Great job !! Keep up the good work!! God bless.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    A fellow Mech E! Thanks for the feedback! The flat reference point is critical. Like the foundation of a house. If that’s off then it’s a nightmare correcting anything else after that. Good luck with your wood working!

  • @ionpopescu4303

    @ionpopescu4303

    3 жыл бұрын

    I will too ! This video changed my plans

  • @DillonMW
    @DillonMW3 жыл бұрын

    This is a nice build that requires minimal tools.. I might do something similar to start out!

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    I highly recommend! Great way to get a flat work table going forward and it’s very doable in a day...like you said with minimal tools 👍

  • @avsystem3142
    @avsystem31422 жыл бұрын

    I built a very similar assembly bench some years ago using the same "eggcrate" structure but about twice the size of yours. I made it only about 18 inches high since I don't want to have to lift assembled furniture either on to or off of a standard height workbench. I placed castors at the four corners but also adjustable foot pads that can be screwed down to lift the bench off the castors so it won't roll around when I'm working on it. It is lightweight and can be lifted and stored on one edge to save shop space when not in use.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    2 жыл бұрын

    That’s awesome and I love the ideas about adjustable foot pads and castors. Once I have a larger dedicated space I’ll build a bigger and more permanent one. Also I’ll be adding clamping holes to make it more versatile.

  • @LonghornWorkshop
    @LonghornWorkshop3 жыл бұрын

    Great job, and subscribed!

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thank you for the feedback and support!

  • @andreinikiforov7615
    @andreinikiforov76153 жыл бұрын

    Great job and excellent idea. Need to make a table like this for myself. Thank you!

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thanks! Good luck! Once it’s complete you’ll have it for a very long time.

  • @davidbryanwoodworksandmore

    @davidbryanwoodworksandmore

    3 жыл бұрын

    These are truly great tables. I’ve got several that I use daily in my shop. Indispensable.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    I only recently came upon the design and concept about a year ago. I wish I had known about them earlier! 👍

  • @AJ-ln4sm
    @AJ-ln4sm3 жыл бұрын

    Great video thanks

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thank you for watching! I appreciate the feedback

  • @eitantal726
    @eitantal7267 ай бұрын

    5:30 circular bubble level will come in handy

  • @jeremygreer87
    @jeremygreer872 жыл бұрын

    Thanks for the video. On a separate note....I have that same table saw and liked your "extension" on the left side. How did you make that and attach it to the saw?

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    Жыл бұрын

    Sorry I’m responding so late… I made a small mobile base and basically clamped it down. Nothing fancy or exotic.

  • @redrockcrf4663
    @redrockcrf46633 жыл бұрын

    So how do you go about mounting the woodworking vice and dogs? I worry about making something like this, then finding the grid spacing is all wrong for mounting the Vice and the spacing of dog holes

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    That is a good point about the dogs and clamping holes. I didn’t have a great need for a clamping table but you could definitely incorporate some evenly spaced holes if you wanted. Try to space them in the middle of each grid square...won’t be as versatile as a true setup. Maybe that will be a project for me to do down the road?

  • @SzechuanChickenDog
    @SzechuanChickenDog Жыл бұрын

    Legitimate question. How can it be so flat if you said there were variations in the height of the pieces inside? or were the variations not in the height of the pieces? Great build though! I wanna make one for my CNC I'm waiting to build... For this table! Great video

  • @dougwatling4960
    @dougwatling49602 жыл бұрын

    Very nice, going to use this design for my CNC table base. P.S. Your floor is more like a ski ramp! Don't you get tired walking up that hill :-) ?

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    2 жыл бұрын

    Haha yes it was extremely out of level to say the least!

  • @eitantal726
    @eitantal7267 ай бұрын

    How is a torsion box better than a solid core? My workbench tabletop is just a bunch of 2x4s: It's three groups 7. Each group was 2x4 glued to one another, then planed with a planer. The 3 groups were then joined with a biscuit joiner

  • @rickhickman2730
    @rickhickman27302 жыл бұрын

    If you had gone around and shimmed along the different long points in the grid, do you think you would have been able to get this even more flat?

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    Жыл бұрын

    That’s def a thought to try for next time and something to consider. It all depends on how close to 0.000” you want to try and get it!

  • @stephenfishman4964
    @stephenfishman49643 жыл бұрын

    Couple of things...Why did you choose not to cut dados in the log sections inside the torsion box? Wouldn't that have held the 5 1/2" pieces in place more securely, especially if it's to be a portable tabletop? Also, an excellent cutting aid for a small table saw is a fence extension. Mine is 4 1/2 ft and fits snuggly over the existing fence. When you rip long boards, it provides a much longer, stable edge.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thanks for watching. Cutting dados is the alternate method I’ve seen some people do but at the time I didn’t have a dado blade. And the fence extension is a great idea!

  • @Cactustone
    @Cactustone2 жыл бұрын

    Great video! Was your previous bench top a torsion box, too?

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    2 жыл бұрын

    No, I just used my very, beginner grade, plywood table/bench...now long gone!

  • @bsoher67
    @bsoher673 жыл бұрын

    Nice example! DId you glue to top to the framework below, or just nail? And if no glue, why not? Thanks!

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    I only nailed it and the reason for that is I might have to eventually replace it even though I put the hardboard over it. I didn’t want to be in a situation where I was up the creek without a paddle haha 😁

  • @bsoher67

    @bsoher67

    3 жыл бұрын

    @@scotchinhandmillwork6528 Thanks! That makes sense. Keep up the great work.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thanks for the support!

  • @mitchblackmore5230
    @mitchblackmore5230 Жыл бұрын

    Very nice table top. The only thing I'm unsure of is how would you attach this 'top' to a 'bottom'? In other words how would legs get attached to this and be sturdy?

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    Жыл бұрын

    So I made a few mistakes with this table. It actually ended up cupping severely down the middle and I had to take it back from the customer. Part of the main reason this happened, in my opinion, is that I waited too long to fix it to the base and the base wasn’t sturdy enough at the attachment point. Next time I would add some c channels underneath (hidden of course), or some beefy boards with a skirt around it (some people call it an apron too). Hopefully my long winded response makes sense 😂 **ignore this comment haha. Thought I was replying to a comment on a different video!**

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    Жыл бұрын

    Looking back I realized this comment doesn’t pertain to this video haha! The KZread app isn’t super clear when it comes to responding to video comments. Sorry for that confusion. As for attaching this to a base you can do almost any setup imaginable. Mobile, fixed, storage underneath, whatever 🤷‍♂️

  • @MP-zv6fm
    @MP-zv6fm3 жыл бұрын

    Should have just use dado blade and interlock them. Pre-Leveling is not needed since you are using reference blocks, because if those are off, it wont matter if you are levelled. Other than that... Good Job.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thanks for watching. Appreciate the feedback! 👍

  • @MrRackinroll
    @MrRackinroll11 ай бұрын

    I understand many people have'n't a clue as to level and flat. Basically the two terms have nothing to do with one another. something could be flat but on a 23 degee angle. Your 2' level though goold wasn't sufficiently long to make the long side flat. Go on.

  • @urwholefamilydied
    @urwholefamilydied3 жыл бұрын

    8:33 that many little boxes seems way overkill... I mean, think if you put an MDF top on just the pieces that ran lengthwise... the MDF isn't going to bow down in between those rails. And then maybe just for some extra support throw in a few of the shorter pieces... but you certainly don't need 45 of them. (come to think of it... you could have just done the frame and then 3 or 4 pieces running from one side of the table to the other going across the short side, not the length. That would have been plenty sturdy and very flat. Or maybe I'm just not getting what all the individual boxes do).

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thanks for watching. The reason I used so many smaller grids is to ensure it will never deform or go out of plane. You could definitely go with larger grids to reduce the number of cuts but it wasn’t really that much to be honest. Took me about an hour to glue them all down and I know it’s virtually bullet proof now.

  • @jaegertc

    @jaegertc

    3 жыл бұрын

    Without the short supports that make the "boxes", it could twist.

  • @urwholefamilydied

    @urwholefamilydied

    3 жыл бұрын

    @@jaegertc ya... I'm saying you could use half the amount of short supports. It's also assuming one will use it on an already pretty flat surface.

  • @garrettswoodworx1873

    @garrettswoodworx1873

    3 жыл бұрын

    @@urwholefamilydied True, but one of the ideas behind the torsion box is that it doesn't need to be supported by a flat surface (or anything else, for that matter) to remain dead flat. You could literally lay it across 2 sawhorses or screw pipe flanges on each corner and use 4 pieces of pipe for legs and expect it to remain flat in all dimensions. That's the beauty of a torsion box.The size of the "boxes" directly relates to the rigidity of the box as a whole. If "pretty dang flat" is acceptable (that works for me) you make bigger boxes. If "as flat as humanly possible" is relevant to the work you are doing or if you simply have a thing for precision you make smaller boxes. :)

  • @urwholefamilydied

    @urwholefamilydied

    3 жыл бұрын

    @@garrettswoodworx1873 ahhhh, got it. That makes sense. Seems like you could still make the boxes bigger and there's no humanly way the mdf would be able to "dip" into the box. Even a fraction of a mm.

  • @niceguyrides
    @niceguyrides2 жыл бұрын

    Should have just sandwiched the unistrut. lol

  • @andybawn1
    @andybawn13 жыл бұрын

    First step, don't use a composite board (Mdf/Chipboard). they are a non structural material which is prone to dimensional changes due to humidity.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thanks for watching and the input. I agree mdf isn’t great in high humidity conditions but it’s an affordable and easy option for most people and when you assemble in this manner it’s pretty rock solid 👍

  • @Duraltia
    @Duraltia3 жыл бұрын

    Mhh... I'll have to revisit my CNC Router Table ( imgur.com/a/04LhFJN ) with something like this though I'll have to have the local DIY store cut like 95% of the parts to size minus the last sections like you did - Not only will it be less of a pain in the ass if they do it, but I'd wager the parts will arrive a lot straighter than when I'd attempt do cut such long pieces using a Circular saw. I, on the other hand would probably use a lot more screws to pull the two surfaces towards each other using the struts between them while the glue is still curing - Just appears to me as a sensible idea.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Not a bad idea to have someone else do the heavy lifting (making all those small grid pieces) 👍. Good luck with your build. Let me know how it goes!

  • @Duraltia

    @Duraltia

    3 жыл бұрын

    ​@@scotchinhandmillwork6528 I wasn't referring to the small cuts, those I could do on my Mitre Saw myself - Just a few test cuts to check if the cuts are 90° and off we go. It's the long pieces that need to be parallel within themselves and of the same width among each other for such a project to end up a success that would be an issue for me and my shops machinery ( no space for a Table Saw in my 1.5 x 3m sized basement - Also in general not much use for one either 😉 ).

  • @ionpopescu4303
    @ionpopescu43033 жыл бұрын

    First I give you 1000 Thumbs up. I sow many many Slide KZreads, leveling with thin ropes and (crap like that), your Idea is so simple and doable this is why 337 Thumbs up and only 4 down. This video changed my plans!!! Thanks , I intended to buy Glass 19 mm for leveling ($$$) siting on flat frame.. Here is my critic however: Apologies to your Ego in advance. A) You could have gotten even a significantly greater accuracy, simply by Gluing a small 3"x3" cheap Chinese - digital level - TO THE PHYSICAL bobule level you used in the clip . This way the Digital level - on top of your bubble level - *Should show Zero! at all times* , can your eye match this king of digital accuracy ? Just by carefully looking at the bobule on your leve ? B) This is no biggy, but you strengthen the upper 1/4" Mdf only from the outer perimeters, not from the middle at all. What if it warp upwords ? Because of different temperatures which implied different humidity at different seasons. I would have put some in the middle. Sorry for the English.

  • @scotchinhandmillwork6528

    @scotchinhandmillwork6528

    3 жыл бұрын

    Thank you so much for the feedback! You make some great points and this is why I make and upload these videos…for the unique ideas and perspectives of others! The level is a great idea and I’ll take that into consideration next time for sure 👍. Your English is very good by the way, much better some native English speakers!

  • @eitantal726
    @eitantal7267 ай бұрын

    3:55 cringe

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