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Questions tagged [tools]

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What is the name of a tool to rotate this ring?

I have this part (https://www.mcmaster.com/1116K25/): with a central threaded ring with 2 slots. What is the name of a proper tool to rotate this ring? I used scissors, but surely there is something ...
Paul Jurczak's user avatar
1 vote
0 answers
65 views

What tools/process could I use to achieve this finish?

my son and I are doing a project together, but I’ve been struggling to find like a tool or process to achieve this ‘fillet’ I think it’s called, on the corners of this wood. Any ideas please? I have ...
Helpful man's user avatar
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0 answers
35 views

How to attach plates (my design) to the stator core of the machine more efficiently and precisely?

I am working on an electrical engineering project. However, I have come across a specific mechanical engineering problem. I have attached an image to describe what I want to do. I have primarily a ...
Hassan's user avatar
  • 1
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0 answers
26 views

Is a candy/oil thermometer suitable for calibrating a soldering iron or hot air gun? Why/not?

Disclaimer: not sure if the question is on-topic here, but I'm not sure that any other community is better suited. If there is one, would you kindly direct me there? Background: I am looking into ...
Gregorio Litenstein's user avatar
1 vote
2 answers
221 views

Cutters: Cr-Ni, Cr-V, or Cr-Mo

I went to the hardware store to buy some new diagonal pliers/cutters and noticed that a lot of manufacturers now stamp the type of steel alloy near the pivot. My options were Chromium-Nickel, ...
bobuhito's user avatar
  • 211
1 vote
1 answer
73 views

Identify small internal turning tool

I am using this little internal turning tool I have gotten from some company long ago as it was too worn out for them to use. By the time i gotten it for me as hobbyist, it was stil good for me to do ...
Bart's user avatar
  • 125
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0 answers
333 views

Calculation of Cutting forces (tangential , feed and normal) in CNC Milling Process

I am doing my fyp project on 5 axis cnc milling machine.I need to calculate forces on each axis as mentioned in the below picture I first calculated spindle power from https://www.machiningdoctor.com/...
Hamza Zaheer's user avatar
0 votes
0 answers
43 views

Machining: Seeking Porting Tool for Milling Female 37deg Flare Ports

Been looking for a COTs carbide/ HSS cutting tool for milling standard 37 deg flare fluid ports, but am struggling to find anything applicable. Since these are common enough fluid fittings, I figure ...
Austin Prater's user avatar
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0 answers
82 views

Does somebody know what this piece of equipment is?

I got this equipment from a sailor, I have no idea what this is. Does anyone know?
Neill's user avatar
  • 1
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0 answers
58 views

Downcut bullnose endmill

Does anyone know if there exists an endmill that has both a downcut helical geometry and a corner radius (a.k.a. bullnose)? I've seen both qualities in an endmill individually but never together on ...
Farris's user avatar
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0 answers
258 views

Why is my toolbox empty? (SolidWorks 2021)

If I open SolidWorks and go to the toolbox, it only shows 1 map named 'Favorites'. The toolbox as well as the 'Favorites' map are empty. If I click to configure it opens a window as shown in the ...
Younes Boubker's user avatar
2 votes
1 answer
635 views

How do you use an angle gauge?

I've come across this:- from https://www.amazon.co.uk/dp/B08WXFDRBX/. It says it's is for woodworking, but the vernier is marked into 2' segments. That seems a little too accurate for wood, and of ...
Paul Uszak's user avatar
2 votes
1 answer
101 views

designing a drill jig for manufacturing a finished product

what will be suitable drill jig for the given product? since the drill is not straight. so i'm not sure for the suitable design, kindly looking for kind help. thanks in advance! if it would have ...
Satya's user avatar
  • 412
0 votes
3 answers
89 views

What is this welding tool in this video?

https://youtu.be/w6aUzGaXShQ?t=135 At time 2:15, what's the type of the welding tool he uses? I have read a couple of types for welding tools but I cannot see it matches any type.
Franva's user avatar
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2 votes
2 answers
435 views

Designing a progressive die to make a blank on a thick steel sheet

Suggest and Design a progressive die to make a blank with a 2 mm thick steel sheet as shown in Fig. The ultimate shear strength of the material is 480 MPa. Calculate press capacity assuming 75% ...
Rajakr's user avatar
  • 338
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0 answers
64 views

Am I measuring this milling insert wrong?

A while back I bought a box of "stuff" for my shop and way later found in the bottom of it a 1.625" insert mill with 2 square inserts. It turns out that this produces a really nice cut ...
BCS's user avatar
  • 179
3 votes
1 answer
305 views

What's this tool?

This isn't mine, but I own one of these and I have no idea what it is. With the spike attached it looks like a marking gauge of some sort.
it's a hire car baby's user avatar
2 votes
0 answers
59 views

Did I buy the wrong SBR rails? They don't seem to attach or align

I have bought some SBR12 rails and bearing blocks in an attempt to make a fancy flatenning jig for my router. I haven't been able to see 100% everything that other people have done on the YouTubes due ...
physicsboy's user avatar
1 vote
2 answers
71 views

I would like to cut out arcs of the circumference of a cross section of PVC pipe so the arcs are precisely 60 degrees. How would I do this?

I need to make a single piece (therefore automation not necessary). The PVC pipe in question is approximately 490mm long and has a 20mm diameter. I would like to cut four 60° arcs, the location of the ...
Danner's user avatar
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1 vote
0 answers
42 views

Proper bits for light cuts in deep slots?

I have an application where I want to do some milling at the bottom of a pocket. I need a 1/4" diameter cutter that can reach >3/4" into a 1/4" slot, but I don't need more than about ...
BCS's user avatar
  • 179
1 vote
1 answer
111 views

How to extract a broken 6.5mm plug from jack?

One of my 6.5mm adapter was broken and the heading pieces was kept in the jack. (picture atatched) What tool should I use to extract the broken part?
Limina102's user avatar
  • 111
3 votes
2 answers
1k views

Unit of "cN.m" used on torque wrench

I'm using a torque wrench whose unit is cN.m. I wonder what unit this is, and how to convert N.m (Newton meter) to ...
user33290's user avatar
0 votes
2 answers
212 views

Punch Hole Exactly in Center of Acrylic

I am designing my own optical rotary encoder with a non-standard number of encoder positions for a specialty application. I have gotten a 0.35mm acrylic with the pattern printed on it but now I need ...
Hackstaar's user avatar
  • 103
0 votes
0 answers
36 views

Are decimal inch drills a thing?

A cursory search indicates that drills size in round decimals of an inch (e.g. 0.3, 0.4, 0.15 inch) are not common, but are they a production item or would they only be available as some sort of ...
BCS's user avatar
  • 179
0 votes
0 answers
32 views

crude spoke tension gauge

Standard bicycle spoke tensiometers are too large for use with small wheels, the kind used on recumbent bikes and folding bikes. Could a small adjustable or beam-style torque wrench be used to gauge ...
Tim's user avatar
  • 225
1 vote
0 answers
36 views

Proper storage of micrometer-adjustable torque wrenches

Sturtevant's website has the following warning: Relieving the tension down to the lowest setting on some micrometer adjustable torque wrenches can cause the tool to go out of tolerance and you won't ...
Tim's user avatar
  • 225
0 votes
2 answers
51 views

If production line is for production, what is the name of the line for decomposition?

A production line is a sequence of processes and operations applied to a workpiece to create a product. Now consider another line that tries to decompose a given product, and extract raw materials ...
Saeed Neamati's user avatar
2 votes
2 answers
372 views

How to make holes in granite without electrical or iron tools?

I see granite blocks in ancient Egyptian temples with perfect holes drilled into them. The historians say at that time (2500BC) they did not possess iron tools or the wheel and certainly no ...
Samid's user avatar
  • 155
0 votes
1 answer
145 views

What is the correct method to remove or tighten this splined "nut"?

This photo shows the input shaft of an air compressor head. The splined cog-looking disc around the shaft is actually a sort of threaded nut which screws into the larger disc around it. It serves to ...
StayOnTarget's user avatar
0 votes
2 answers
51 views

What is the name of this thing? (hex key reduction?)

What is the name of this thing? I am trying to find it by keywords like "hex hey reduction" etc. but so far no results. My problem is that the plastic socket is easily damaged and I want to ...
Andrej's user avatar
  • 101
1 vote
1 answer
29 views

Glass/Tile drill bits

I meant to get a countersink for wood. Then in the hardware store, beside the countersinks, I saw a glass/tile drill bit set, which as a pack, is not so much more expensive than a single countersink. ...
Dehbop's user avatar
  • 149
-1 votes
1 answer
490 views

Is it possible to connect a car air compressor to a blow out gun?

I have a compressor with this type of outlet: I am not sure how it is called, but it works for my bicycle and car. Then I have a blow out gun to clean electronics by a stream of compressed air. The ...
Martin Drozdik's user avatar
1 vote
0 answers
857 views

Estimation of cutting torque for circular saw device

How could I estimate the required torque for cutting through wood using a blade, say 180 mm in diameter? I am not too sure how to approach this.
Teyash Arjun's user avatar
1 vote
1 answer
151 views

How do engineers work with extremely small objects?

Please excuse me if my question is not well-worded. My background is pure mathematics and I am not familiar with engineering, but sometimes I feel fascinated by the things engineers have achieved. ...
stressed out's user avatar
2 votes
0 answers
46 views

Adjustable screw positioning

I'm looking for the name of part which I'm pretty sure exists. It works similar to how the seat on a exercise weight machine works. It's a plastic band which has a bunch of connected figure 8s cut ...
johnny 5's user avatar
  • 121
2 votes
1 answer
46 views

Trying to find this exact type of T Ruler? [closed]

I am trying to find the exact tool which i assume is a modified t ruler to purchase but i cannot see any exactly like it. Any help would be appreciated: Picture attached: It is adjustable and has a ...
Student's user avatar
  • 123
0 votes
1 answer
35 views

what design features allow a milling machine to withstand lateral pressures against the bit

I need to cut a slot 4mm wide by 25mm long in aluminum tube with a 2.2mm wall thickness and a 35mm O.D. The tube is 250mm in length. It seemed a drill press with a fluting bit might suffice for this ...
Tim's user avatar
  • 225
0 votes
0 answers
33 views

What are design features of impact type screwdriver bits?

Modern screwdriver bits, marketed for impact tool use, have "torsion" control, apparently implemented with a necking of the bit. Does this feature reduce the delivered peak torque? Practically, ...
mongo's user avatar
  • 101
2 votes
1 answer
65 views

Why is the fluted edge of a twist drill bit sharp?

My intuition on how a twist drill bit operates is that the cutting is done by the end of the drill bit and that the fluted section carries away material as it's cut. When I look at twist drill bits, ...
Greg's user avatar
  • 23
0 votes
1 answer
26 views

Swiss File #4 Alternatives

I want to buy a "Swiss File #4". I visited some local stores but noone knew what that was. I found this nice set of files. Can someone read what it says in the top? Is some of these file equivalent ...
user1584421's user avatar
2 votes
3 answers
886 views

Should lithium batteries be recharged after every use , or when they are exhausted?

For a small unit like a drill: Is it better to charge after any use or wait until the lithium battery is exhausted ?
blacksmith37's user avatar
  • 6,144
1 vote
1 answer
657 views

How do you determine the apt cutting speed of a hot wire foam cutter?

I am designing an automated hot wire foam cutter for my project, and I am stuck on the computation for the most viable cutting speed of my design. The cutting tool used is a nichrome wire and the ...
user avatar
0 votes
2 answers
79 views

Terminology for drill component?

I built/assembled a small drill press recently and used a part from a Junk Drill because I couldn't figure out what a particular component I needed was called. What I was looking for was a way to ...
Sani Evans's user avatar
1 vote
4 answers
114 views

Git, Mercurial, others -- what's the best system for an engineering team new to version control?

I recently started working with a new team doing detailed energy modeling for all flavors of building projects -- commercial, industrial, residential, new construction, renovations, additions. As the ...
LShaver's user avatar
  • 449
0 votes
3 answers
59 views

Why are angle grinder discs consumable?

I learned in high school science that everything has a hardness index, that metal has a relatively low hardness compared to many kinds of stones, and that something cannot be scratched by a substance ...
Lorry Laurence mcLarry's user avatar
1 vote
0 answers
25 views

What constitutes AGILITY where Behavior-Driven and Unit Testing are concerned [closed]

This morning I had a presentation on PHPSPec which the official website describes as follows: A php toolset to drive emergent design by specification. As defined within an adjective context the ...
scruffycoder86's user avatar
0 votes
1 answer
96 views

Lubricant fluid and Rubber compatibility

I have a portable band saw, which I plan to add lubricant fluid to (this is getting ahead of myself, as I haven't even constructed a portable band saw stand). The main problem with this and the reason ...
Dehbop's user avatar
  • 149
0 votes
2 answers
122 views

Cutting tool for hollow tubes [closed]

We have steel hollow tubes of 80 mm length and 0.5 mm cross section, that we need to cut in smaller pieces of 10.1 and 10.5 mm length. We have been using utility knifes with very poor results. I am ...
MCL's user avatar
  • 103
1 vote
3 answers
694 views

Heating up Tool Steel with a welder

I'm a newbie of electricity and I would like to know if a piece of tool steel connected to both positive and ground pole of a welder tend to heat up red hot. If yes, at wich amperage? There are some ...
Tommaso Lencioni's user avatar
0 votes
1 answer
64 views

Potentially fatal near miss: Due diligence in tool selection

I recently outfitted a crew to build scaffold in preparation for an upcoming turnaround at our plant. Among the tools requested were canvas buckets for manually hauling material and tools up and down ...
Myles's user avatar
  • 205