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Mini table saw for PCB cutting - worth buying?

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bodzio_stawski:
Hello everyone!

I am looking for a reasonable price mini table saw, which will be good enough for cutting copper laminate. Cutting plastic or wood would also be appreciated, so if a set of blades for various materials were easily accessible for this device, it would be great.

My propositons are below:

1) Minleaf ML-MS1 - my observations show that it is the cheapest (or one of the cheapest) at chinese auctions. It is also probably some counterfeit Proxxon, which is supposed to be even a little stronger than the original, but on the other hand I have not seen anyone cutting a PCB with it.
https://www.banggood.com/Minleaf-ML-MS1-220V-480W-Mini-Portable-Table-Saw-Multifunctional-Handmade-Woodworking-Bench-Saws-Cutting-Tool-p-1692626.html?akmClientCountry=PL&cur_warehouse=PL

2) NovelLife Mini Hobby Table Saw - this model was described by thedailygardener.com as the first choice table saw, but in fact it looks that blades are in unusual size and hard to replace.
https://www.aliexpress.com/item/32574447050.html?spm=a2g0s.9042311.0.0.1d63b90ae50n6J

3) Allsome T4 Mini Table Saw - looks similar to T5 shown on YouTube. Both models (T4 and T5) have additional grind tip, but T4 is more expensive and looks similar to NovelLife in terms of quality (I'm not sure if something that serves everything is not really good for anything).
https://www.banggood.com/Raitool-T4-Mini-Table-Saws-Wood-Working-Bench-Lathe-Electric-Polisher-Grinder-DIY-Model-Cutting-Saw-p-1190146.html?utm_source=googleshopping&utm_medium=cpc_organic&gmcCountry=PL&utm_content=minha&utm_campaign=minha-pl-en-pc&currency=PLN&cur_warehouse=CN&createTmp=1&utm_source=googleshopping&utm_medium=cpc_bgs&utm_content=sxxx&utm_campaign=sxxx-ssc-pl-en-all-newcustom-ncv50-0128&ad_id=494945044279&gclid=CjwKCAjwq7aGBhADEiwA6uGZpxS6_Mi3DXQIlHw-IL9MIbFd53HxmNxpZPhxqznAiv_X0j96PVNiYBoCotsQAvD_BwE
What do you think? Have any of you tested any such device from China and found it good for cutting small copper plates?

jpanhalt:
I have used a Proxxon miniature table saw (brand MicroLux) for many years to do that.  I use a carbide tooth blade.  Whether those brands you reference will work would probably depend on how stable the arbor is and speed. My main use today is cutting grooves in the copper layer to facilitate "Manhattan" style construction of PCBs.

I now use a shear for vinyl floor tile to cut a PCB to size.  They are considerably cheaper.
 

bodzio_stawski:
Oh, can you share with me an example/link/photo of this device for vinyl?:)

coppercone2:
if you can afford the proxxon mini table saw (the good one with the dust extractor, its critical), and you don't have any other purchases, it should be a really good buy. Nice crisp clean cuts on PCB and PCB related materials

The only problem is its expensive, most people have a table saw already (redundant), and a band saw will work ok for a PCB if you spend the time to tune it up

I want one but the price tag is really high

I already have a scroll saw, a table saw, a band saw, 4 battery saws, a die grinder, a angle grinder, a dremel, 3 inch cutter, mini right angle die grinder.. its just redundant. If I setup two pieces of wood on a ways and use the mini 3 inch grinder with the vacuum connection after I clean and wax the dust chute nice the saw only saves a bit of setup time, and making a dedicated fixture to cut things on would be superior.

https://www.zoro.com/milwaukee-cordless-die-grinder-battery-included-2522-20-48-11-2420/i/G0188328/feature-product?utm_source=google&utm_medium=surfaces&utm_campaign=shopping%20feed&utm_content=free%20google%20shopping%20clicks&gclid=CjwKCAjwq7aGBhADEiwA6uGZp78hzOIGj8d2Fm2j5BZ27i_UqCN0LniUz3p39oCnsvQBNm9soKIXrxoCJoUQAvD_BwE

That tool is 100$ and its infinitely more useful for electronics work like cutting vent holes in cabinets and all kinds of other stuff vs a $350 mini saw, plus its safer. if you buy a expensive 3 inch diamond disk and spray lots of wd40 you can cut aluminum with it slowly, so long you clean the dust extractor system afterwards with some soap

I heard dubious things about the proxxon kt 27070 adjustment (the claim 0.001 inch but thats not useful for PCB and apparently its a bit of marketing wank).

I got like a 2' long flat iron that I rest on top of stuff and use those saws over a groove in the table saw to cut flat materials.. it only stops working when you have too little material to clamp down nicely.. but just stick with big sheets and not using every little fuckin piece of metal and its fine (this is how you lose a finger or otherwise injure yourself, decide that you must get the remaining 50 cents out of a oddly shaped piece of sheet metal remains that you cannot clamp down properly and try to do magic on a table saw).. in principle a mini table saw allows you to recycle it, but in practice its some seriously optimistic greed behind the costs

Now the proxxon miter saw (the one thats more expensive) is an amazing tool, particularly for angle pieces and round stock that you need to cut.. mild steel, aluminum, copper, stainless tube, titanium tube (works), etc..

jpanhalt:

--- Quote from: bodzio_stawski on June 19, 2021, 08:00:03 pm ---Oh, can you share with me an example/link/photo of this device for vinyl?:)

--- End quote ---

Mine looks like this.  Versions are available at Home Depot for less than $30.  Maybe cheaper elsewhere.

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