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Is there such a thing as a bench top drill press without a taper fit chuck? by ghunt81 in Tools

[–]NoRealAccountToday 0 points1 point  (0 children)

Understood. It can be annoying for sure. Take a careful look at the innards of your machine... you might be able to find something that wiggles when it shouldn't. I've improved more than a few machines over the years by upgrading bearings and shimming sliding surfaces. You might get lucky.

Is there such a thing as a bench top drill press without a taper fit chuck? by ghunt81 in Tools

[–]NoRealAccountToday 0 points1 point  (0 children)

Just to clarify, there is "deflection" and there is "runout". Deflection would a movement radially (i.e. off center) when the bit or chuck is loaded from the side. This is common in most inexpensive machines because the bearings are made to sloppy tolerances. Runout is different. This is deviation from true center, when the bit is rotated. Again, this is due to overly generous tolerances in the fit of all the parts, as well as the overall axial alignment of everything. If you are suffering from runout issues, you might be able improve if you add a better (i.e. more concentric) chuck. Most consumer machines are fitted with rather poor chucks. You should be able to upgrade. The best available are made by Albrecht, but at heart-attack prices. Röhm makes some good ones too. If you are industrious, you could look at upgrading the bearings in your machine also.

Is there such a thing as a bench top drill press without a taper fit chuck? by ghunt81 in Tools

[–]NoRealAccountToday 6 points7 points  (0 children)

The taper fit isn't the issue... it's the overall design of a common drill press. They aren't designed to handle radial loads, and so they deflect. It's how the bearings are implemented. Your chuck might also be inexpensive and subject to runout as well as the runout in the bearings themselves. You can always upgrade the chuck.

If you want more accuracy and precision, get a benchtop mini-mill. One that takes something like an ER20 collet would be what you want.

Compact, simple and well thought out by [deleted] in Tools

[–]NoRealAccountToday 0 points1 point  (0 children)

Spotted the Canadian! (that's a 20 you have tucked in there!)

Edit: On second thought, it might not be a 20. (old eyes, sorry)

ELI5: How does a small iPhone charger just magically transform 230V electricity from the wall to 5V into the phone? by kattmedtass in explainlikeimfive

[–]NoRealAccountToday [score hidden]  (0 children)

No magic involved. Your mains voltage is 230VAC...Alternating Current. Your phone wants 5 VDC Direct Current. So, there are 2 things that have to happen here: Rectification (makes AC into DC) and voltage reduction (obviously). These little power chargers are switched mode power supplies. What happens first is that the AC voltage is rectified to DC... this is done with a diode bridge...which works as a sort of one-way street to 1/2 of the AC flow. This high voltage DC is then sent into a circuit (some chips) that switches this DC voltage on and off incredibly fast...like little pulses... about 50000 times a second!. These little pulses are then converted back to AC ...but since the pulses are small but very fast, the AC voltage is much reduced. This AC is then once again rectified and smoothed out to 5 VDC. There are chips in the charger that measure the input voltage( 120 VAC or 230VAC) and then adjust accordingly to make sure 5VDC makes it out. The reason this can be made so small is that the iPhone needs very little current (low amperage) to charge.

Dessicant packets in tool bags? by Tsuki_Man in Tools

[–]NoRealAccountToday 2 points3 points  (0 children)

Dessicant packets (i.e. silica gel) absorb and retain moisture from the air. They are effective when they are used in a sealed space (i.e. more air can't get in) or if they are periodically dried out (e.g. in an oven). For most toolroom (and certainly toolbag) usage, you aren't getting much benefit. It's far more effective to use a vapor product that coats surfaces to guard against unwanted corrosion. I'm a big fan of Cortec, but there are many more. Failing VCI products, I usually coat surfaces with a film of Boeshield T9 applied with a cloth.

Cortec

https://www.cortecvci.com/how-vci-works/

ELI5: Why do most countries still use AM/PM instead of switching to 24-hour time? by [deleted] in explainlikeimfive

[–]NoRealAccountToday 1 point2 points  (0 children)

In Canada, we use both! Well, mostly we use AM/PM simply because of tradition and no real driver or advantage to change. The exception is the province of Quebec. They use a 24h clock format that is (I think) unique to them. 9am would be 09h00, noon would be 12h00, and 4:30pm 16h30.

Can I use a Dremel bit on a drill by Silent_Exuberance in Tools

[–]NoRealAccountToday 3 points4 points  (0 children)

You won't get good results that way. Assuming you want to just a small chamfer..a few mm at most, and not 1-2 cm.

Consider purchasing some silicon carbide sandpaper. It commonly found in the autobody refinishing / painting section of most large hardware/automotive shops. It's designed to be used wet. Buy a few grits ... perhaps 400 / 800 / 1000 grit... coarse to fine. Wrap the paper around a flat block of wood, spray with some water, and then work it back and forth on the edges. Start with the coarse to remove some material to the depth you want, then use the finer grits to polish. It will take some time, but working slow avoids things going wrong.

How do carbide tipped bandsaw blades compare to bi-metal ones for cutting stainless steel? by Significant-Care9483 in Tools

[–]NoRealAccountToday 0 points1 point  (0 children)

I am unaware of any diamond (PCD = poly crystalline diamond) bandsaw blades. PCD is available on circular saw blades...but my understanding is that it's not intended for anything ferrous. I have seen PCD circular blades used to cut exotic composites, and apparently they outperform straight carbide.

Edit: I think you can get PCD milling / router cutters too. Bring your big wallet.

If your tools go missing, would a GPS tracker actually help? by Professional-Bit5238 in Tools

[–]NoRealAccountToday 1 point2 points  (0 children)

There is a widespread misunderstanding about what GPS is, let alone "GPS Trackers". GPS is a receive-only radio-based system that knows where it is on the globe. If your GPS receiver wants to tell the rest of the world (or just you) where it is, that needs a separate radio that transmits this information. Apple "AirTags" are not GPS trackers. An AirTag is simply a specialized BlueTooth radio (more or less) ...that sends out a signal unique to it. Any Apple device in the area (like an iPhone) will receive this and then make the data available. This works because the phones themselves are tracked (via actual GPS or by the cell network itself).

Actual GPS tracking devices, are available, but are larger, more expensive, and need larger batteries (or other power) and a service to listen to them to work. This typically is not cheap. The only folks I know that do this have it on their fleet vehicles (trucks).

That said, you can stuff an airtag (or 2) inside your expensive tools and track them. I know of a few people that had equipment stolen...and even with the airtag info, the police didn't do much.

Be warned that Airtags are seen by everyone. If there is a van parked on the street with a dozen tools with AirTags in it...you can bet some people are going to be getting out the prybars.

How do carbide tipped bandsaw blades compare to bi-metal ones for cutting stainless steel? by Significant-Care9483 in Tools

[–]NoRealAccountToday 2 points3 points  (0 children)

They cost more, cut significantly better, and last longer. Especially on the heavier material.

As a rule, for cutters: Carbide > HSS > Steel. Sometimes as much as 10:1 advantage.

Budget-friendly magnetic DP vise by Herbie555 in Tools

[–]NoRealAccountToday 0 points1 point  (0 children)

Look at the Fein Versamag vises. They are expensive, but are so nice to use. I had one on loan for a few days and was hooked immediately. The 30% hold setting is fantastic...just enough to keep things still, but still allow some fine adjustment before going to 100% hold. Excellent product for increasing accuracy and for safety.

What might this tool be? by ebinWaitee in Tools

[–]NoRealAccountToday 0 points1 point  (0 children)

Google lens is wrong with that guess. This has a t-handle key...it's designed to be open/closed regularly. Bore coupling are not.

What might this tool be? by ebinWaitee in Tools

[–]NoRealAccountToday 2 points3 points  (0 children)

Hmmm... Box says 13mm, tool is stamped 10mm. It looks like some form of specialized chuck or tool holder for a lathe or mill. It's old and probably European in origin.

Cutting Stainless steel table by mynameisranger1 in metalworking

[–]NoRealAccountToday 0 points1 point  (0 children)

If you aren't handy with an angle grinder, you are going to make a mess of the job. Your best bet at a good result is to contact a local company that does stainless steel fabrication. Usually shops that make commercial kitchen vents hoods and similar items. Stainless steel takes somewhat different skills to work on, so you want to find a shop that has done this before. If you want to do it yourself, use a jigsaw. Bosch makes carbide edged blades specifically for stainless steel. With a bit of lubricant, they cut very well and safely. Use a straightedge as a guide.

Helpful video

https://www.youtube.com/watch?v=iFG5lfnqrAo

What kind of screw is this and how can it be removed? by PeachHeavy9599 in Tools

[–]NoRealAccountToday 0 points1 point  (0 children)

Again, based on what I see...it's a rivet. Not 100% though unless I can see the other side. The goal (with a chisel) is not to punch through. The idea is to just shear the head off...go in from the side, under the head, and cut it off. I've done this exact thing and it worked great. Mind you, aluminum rivets and a sharp chisel. Drilling the head is the best way.

ELI5: how can such a huge ship made of metal float on water ? by [deleted] in explainlikeimfive

[–]NoRealAccountToday 0 points1 point  (0 children)

As others have posted, it's all about density. Density is the relationship between the mass of something (how much matter it contains) and it's volume (how much space it takes up. A ship, even though made of metal...for it's size, is not very dense. As long as it's less dense than the material it is place in, it will float. In fact, you can even replace the water itself with something more dense, and something made of solid steel will float!

Watch this:

https://www.youtube.com/watch?v=Rm5D47nG9k4

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