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How to Make Your Own Table Saw

Updated on June 17, 2013
Figure 1
Figure 1

This is probably one of your more dangerous projects, so I would make sure you be thorough and very alert in all your steps and decisions. This should be done by a responsible adult experienced in safety procedures and in power tool know-how. This project is for those who are aware of dangers and possible problems associated with this type of project. All connections, supports and c-clamp anchors should be very solid, resistant to vibrations, done properly, well-checked initially, and re-checked often while using. Procedures for accidents or problems should be anticipated and a plan implemented and ready for each of these possible problems.

Other than that, don’t worry - be happy!

The first thing to decide is if you want to use an old table that you can put some holes in, or if you want to build one. Another possibility is to use a table that has a split for inserting an extra leaf. In either case, make sure the table is large enough, solid and capable of supporting the weight and swaying motion of a worm or circular saw. You’ll be pushing wood against the saw blade, the guide, and along the table, so the legs should be very solid for this treatment. Make sure the surface is sufficiently smooth enough to make the wood easy to slide. You may also consider using talc or baby powder to help reduce friction.

You may want to use an electric saw that you would otherwise retire, because you’ll probably be permanently removing the switch mechanism in its handle.

Measure the saw’s foot assembly; it’s width and length. On the table, draw a diagram of where you want to place the saw’s foot assembly (which will be on the underside of the table surface). Also, draw a line where the saw blade falls in that foot assembly. Cut a slot around that line, giving about a quarter of an inch on each side of the blade. Make the slot the length of the blades’ diameter. Cut two rectangular holes in the table next to the diagram of the foot assembly, on the side furthest from the blade. Do not cut into the foot assembly diagram, and make the holes large enough to accept two c-clamps.

Figure one shows a transparent table (only for this demonstration) to help you see how the saw is placed, and where the holes are cut for the c-clamps. It also shows optional measuring lines that you can draw, tape, cut or burn into the table for easy guide placement.

Figure 2
Figure 2

Next, have an electrician remove or bypass the switch inside the saw’s handle, while putting a rotating switch in the cable, as shown in Figure 2. Or, if you’re more ambitious, a switch can be wired into the table. A toggle switch would be good, as this can be switched and and off easily. If you wanted to do “safety,” you could put in a green button for “on,” and red button for “off.” If you’re going to leave this table saw without disassembling it, please child-proof the switch.

I probably don’t need to tell you to not plug anything in until everything is put in place and all safety precautions are taken care of.

Turn the table upside-down and place on two saw horses. Pull back the rotating blade guard on the electric saw and insert the sawblade into the narrow slot you made. Fasten the foot assembly of the saw to the table using c-clamps. Make sure the blade is free and clear of the wood around it, and that it is perfectly parallel with the edge of the table. If possible, the c-clamp foot should be about 1 to 1-1/2 inches in from the edge. Use a piece of metal or a large, fat washer to cushion the table-top, so you won’t make a hole in the wood with the c-clamp. If the metal or washer has a sharp edge or burrs, put that side against the table to reduce sliding. The further into the foot assembly you can get the c-clamp, the more stability you’ll be giving the saw. If your foot assembly comes with holes, or a bracket that can be removed, you can probably bolt the saw to the table by using those holes, but make sure the bolt heads don’t rise above the surface of the table top. If you have to sink the heads into the wood, use washers to make the connection stronger and less corrosive when the vibrations hit.

My saw is temporary; this one looks more permanent:

Figure 3
Figure 3

It may be necessary to put a clamp on the opposite edge of the foot assembly, as shown in Figure 3. This will help assure more stability. Use a lock-washer on the screw.

Put the table back on its feet, and you now have your table saw ready to go. The c-clamps can serve as a guide, if they’re the same distance from the blade. But it’s probably better to make your own guide using wing nuts and slots in the table as shown in Figure 1. If you don't want to cut slots in the table, you can use c-clamps again. The blade’s height can be adjusted the same way you’d do it with the saw, using its slide bracket.

Figure 4
Figure 4

If you want a wider table to cut bigger pieces of wood - like paneling - you can build a second level, as shown in Figure 4. Invert the c-clamps, putting the bulkier part below the table. Bolt this second-level top firmly to the table, cutting out holes for the blade and for the c-clamps. Again, the blade’s height can be adjusted using the sliding bracket.

When I made my own table saw, I used a table without its center leaf. I used the cross-supports (that held the table together) to attach the saw, using c-clamps. That arrangement worked quite well, because I didn’t have to cut holes in the table top.

The art is done by yours truly. I say that, because there are major inconsistencies in the saw set-up in Figure 1. If you can tell me what I did that is radically wrong (not perspective or misshapen parts) you get extra points. I don't know of any other way to reward you, but maybe you can think of something.


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    • SamboRambo profile image

      Samuel E. Richardson 5 years ago from Salt Lake City, Utah

      Okay, nobody asked me what was wrong with figure 1, so I'll tell you: the points of the blade are going backwards.

    • eugbug profile image

      Eugene Brennan 5 years ago from Ireland

      Interesting hub. I reckon a red /green start / stop switch although likely to be more expensive would be safer for switching the saw on and off. If the plug is pulled or there is a power cut, the green button has to be pressed again to start the saw. There is the potential danger of the saw starting up when plugged in, if you forget to switch it off. A toggle switch could get knocked on also. A rocker or rotary switch would probably be a better option!