There are two types of motors used in table saws: universal motors and induction motors. With a universal motor, the power source is linked directly to the blade, providing a whole lot of power. The downside is that these models are generally quite loud. Induction motors, on the other hand, are connected to a belt that then transfers power to the blade. As a result, you get quieter operation and the ability to cut dense materials. The downside is that these models require more preventive maintenance, as you have to adjust the belt’s tension periodically. 
But here we can start to dream. DeWalt’s DCS7485B is a saw you can use basically anywhere. It’s cordless, so you don’t have to worry about outlets and extension cords (except to charge batteries). Because of that, it’s also more compact and lighter than most models that have a power cord. The trade-off is that the battery life is limited, especially compared to wall power. Even with DeWalt’s features to increase its cordless power, it’s still not quite there yet compared to corded drills. But again, for the work you require of it, this might be a perfect fit.

Obviously, given its size, the TruePower 01-0819 isn’t the kind of table saw you’d spring for to take on larger projects that require greater motor power — after all, it’s by no means revolutionary in the torque department. But for those who work with smaller materials or softer wood, the Gino Development TruePower 01-0819 Mini Electric Table Saw is a worthwhile, no-frills buy that’s easy on the wallet and can fit in virtually any space with plenty of room to spare.

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But it’s a journey that’s still in progress. The DCS7485B is lightweight and portable, and it’s also very quiet. What it can’t do is hard work for an extended period. The battery just isn’t there and the trade-off for 60 volts of power limits the range of what you can legitimately expect to cut through. It’s possible to upgrade the battery, but our reviews are based on what comes inside the box. And what comes inside the box with this one has a good deal of promise for only a little bit of delivery.

Dewalt 7491RS is provided with a limited 3 year warranty wherein the users can replace the parts if found fault with. The product is provided with 90 days money back guarantee as well which very few companies provide to the consumer. Also the service is free for 1 year period which is really good. 7491RS weighs around 90 pounds which is a very bulky device to handle.
If you’re looking for a machine with high capacity, the SKIL 3410-02 has a 3.5-inch cut height with the ability to cut through four times the material on each pass. The consensus among reviewers is that, for such a low price, you end up compromising on miter gauge and saw blade quality. Luckily both of those things can be replaced if you so choose.  

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The TruePower 01-0819 may look like a miniature version of a table saw — and that’s because it is! Ideal for hobbyist modelers and DIYers looking to tackle minor jobs, the 01-0819, while lacking the same power and performance as its larger, pricier counterparts, is a steal at under $50. A must for any toymaker’s workbench, this bite-sized machine measures in at 8.5 x 7 x 7 inches, and while it lacks important parts like a guide fence, it gets basic 1/2-inch wood or foam board cutting jobs done, slicing through softer materials with ease. 

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RPM plays a major role in deciding the amount of revolutions the blade can perform in a minute with 745 performing 3850 rpm. This is really good that the blade can roll 3850 times per minute and get the work done easily. The durability of the table is for a 3 year time period which is good considering the usage of the product. Indeed a good table saw by Dewalt.

10-inch DEWALT table saw, 16-inch tear capacity (DW745)

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