With a single cast iron trunnion system, the Delta UNISAW offers dependable accuracy, smooth and continuous operation, but also vibration free control. Thanks to the fact that it features a fifty-two inch fence system, it’s the perfect choice for woodworking pros, but also people who are just starting out in the woodworking industry, such as hobbyists. Since it also comes with an upfront bevel dial to easily fine tune the blade level, you get a striking accuracy within a quarter of a degree, ensuring precision setups cut after cut.
It has a machined aluminum table which is extremely precise. We like the Dewalt’s cast metal table for the price, but the company don’t list the material, and we suspect it’s not nearly as rugged as aluminum. The Bosch’s table is much better. It’s rugged, sturdy, and more consistently even than the Dewalt. The table makes this one a smarter choice for fine woodworkers or pros who need superior alignment.
This is a truly great saw, except that it is really tough to adjust the blade and rip fence for parallel. Once adjusted though, it is a fine piece of engineering. What I like best is that the saw is built for the job site. It is extremely beefy, but no too heavy. In my opinion, it strikes a nice balance. Its cart stand is the best in the industry, bar none. Once adjusted, the saw returns to its settings extremely well. It is obviously built for the long haul, and should last a contractor many years. I would definitely purchase this saw again. Now with the things that I wish were better. First, adjusting the blade for parallel is just plain hard. Mine was out from the factory by 4 thousandths. It is a trial and error process, and the instructions suck. Here's what to do: 1. Loosen the four screws indicated in the instructions. Starting from behind the saw, center the blade housing in the rear left to right as best you can, then tighten one screw not quite snug (you want the housing to rotate on this screw when you adjust the front). Next move to the front of the saw and loosen the lock lever for blade angle adjustment (the housing won't move unless you do). Now, begin experimenting with holding the housing at 90 degrees with one hand while sliding the housing back and forth with the other until square. When you think that you are close, lightly tighten one of the front housing screws. Check for parallel (look for videos on how to check a table saw blade for parallel), then tighten the blade angle adjustment lever. With these screws and the lever tight and locked, check again for parallel. If it is still good (I got it to 1/1000 inch of parallel), then lock all the screws and check one more time, if it's still good, then you are done with blade housing adjustment.
The DEWALT DW745 and the Bosch 4100 are pretty evenly matched in having plenty of power and not-so-hot dust collection. I you’re looking for a light weight saw, the DEWALT comes in ahead since it weighs almost half as much as the Bosch. It is also the less expensive choice by far. The large work table, expanded cutting capability, and its Gravity Rise feature (with solid rubber wheels that make it easy to be rolling across rugged terrain at a jobsite) make the Bosch a Cadillac among Pintos, but, of course, that luxury comes with a price tag.
Porter-Cable comes in as the most expensive of the value group, but also with the best overall performance in it. Of the three saws in this class, it had the best cutting power and also came in the top spot overall for height and bevel adjustment thanks to independent wheels. This may seem like a small consideration, but when you actually need to cut accurately beveled pieces, the adjustment wheel is a huge benefit over sliding the front height adjustment around.