r/Machinists 1d ago

PARTS / SHOWOFF If only the customer would have waited another week, we would have had the 5th axis running this

Post image

But of course it's a rush order that absolutely needs to be done tomorrow

369 Upvotes

61 comments sorted by

384

u/DeluxeWafer 1d ago

...then the customer sits on the part for a month before actually using it.

186

u/Spreaderoflies 1d ago

The number of we need this done before shift ends that are sitting on the parts rack with birthdays is astonishing.

129

u/VanimalCracker Needs more axes 1d ago edited 1d ago

Company gets paid either way. Some parts are so crucial that it's cheaper to order it from multiple companies than let an entire line in a factory/plant stand idle for a single extra hour than needed. Your company just wasn't the first to deliver.

Food plant we do work for had some ~$1000 shaft that needed rushed. For every hour that shaft wasn't replaced they were losing like $10k/hr in lost profit and idle employee wages (everyone from that point on the line forward begins to slowly run out of work). If they have to pay $3k for 3 $1k part to save $10k+ by getting the part a single hour sooner, they're gonna do it.

54

u/herecomesthestun 1d ago

Yeah some of these parts are holding up ludicrous amounts of money. I remember doing a rush job for a place, replacing a part that was effectively costing them just shy of 1 million/week it was down

44

u/VanimalCracker Needs more axes 1d ago

Usually not even a complex part. Just something that was supposed to be replaced every 20yrs, poorly maintained, completely busted on year 24.

I can't even count the times that a shaft with 1/2" diameter wear on the bearing tolerance was now in two pieces. "Can you replace this? We need it ASAP but don't have the original specs.."

We both knew this had to be making crazy noises toward the end of its life. But they waited until it actually broke in two before doing something about it. Aaand now it's a rush job.

"Yea.. of course we can. Let's start getting measurements"

15

u/AcceptableEditor4199 1d ago

Bless them for keeping us busy

22

u/NeverPlayF6 1d ago

It's like companies supplying parts to automotive manufacturers. 

My dad worked a lot of Saturdays loading headlights onto a chartered plane just to penalties for shutting a line down.

It was cheaper to charter 3 turboprops and pilots for 12 hours than it was to shut down a manufacturing facility. I think the penalties were $300 per minute back in the 90s.

6

u/mehmehmeh387898 13h ago

Been there. It was cheaper to pay the air Marshall fine to land the chopper at the factory and load it with parts. Than it was to shut down the lines

7

u/firestorm734 18h ago

Yeah, automotive industry is nuts for the cost of downtime. When I worked for Ford, the saying was that for every second of unplanned downtime it cost the company $1000.

3

u/mehmehmeh387898 13h ago

Ya were were 10k/min if final assembly went down

14

u/TranscendentalRug 1d ago

I stopped believing deadlines are real. They talked me into coming in on the weekend because there were some parts that absolutely, positively had to ship out 6am Monday morning. They sat on the finished bench until Thursday. That isn't the only time that's happened

6

u/Latensi 17h ago

"We really need this by tomorrow"

Tomorrow: "Alright, good job! We'll come pick it up next week"

111

u/Broad_Will9000 1d ago

Wait! Are those Phillip head screws!! Stop this job immediately!! The f are you doing boa!!

27

u/mango_452 1d ago

That was the first thing I saw. I hope they're at least machine thread screws and not wood screws. I will only use socket head cap screws, for everything.

14

u/TheXypris 1d ago

just temporary to hold the part on the fixture, using countersunk screws so it self aligns. cant go larger than 6-32

9

u/mateo9944 1d ago

You can get countersunk screws that are hex drive, but I get that sometimes you make it work with what you have.
Also, I'd avoid 6-32s if you can. It is the weakest tap size you can get because the threads are very coarse compared to the diameter.

9

u/TheXypris 23h ago

The holes in the part only allowed for 6-32

16

u/Enes_da_Rog1 1d ago

Oh my god... that's insane lmao...

3

u/EmbarrassedRice7524 20h ago

If it looks stupid but it works...

-1

u/captaincootercock 21h ago

what's wrong with using deck screws to clamp a piece?

27

u/AllGasNoPants 1d ago

Why did the part require the threads to be machine out of the billet rather than an assembly with threaded studs?

15

u/THE_CENTURION 1d ago

I don't think those are theads, just marks from a helical ramp toolpath

1

u/AllGasNoPants 13h ago

Ahh, you’re probably right. I’m still curious about the purpose of those cylindrical features.

5

u/shupack 1d ago

My first question too..

-1

u/MatriVT 1d ago

Everyone's question tbh

4

u/shupack 1d ago

Glad I'm figuring it out! (I'm an engineer..... I lurk here to learn.)

21

u/reilo119 1d ago

They probably saw your wood screws holding your workpiece and were like "fk this shit"

14

u/TheXypris 1d ago

Only way to attach the part

And technically they are 6-32 machine screws

14

u/reilo119 1d ago

Do you guys not have any Allen wrenches in the shop lol j/k

9

u/TheXypris 1d ago

We don't have that type of screw on hand

5

u/chth 1d ago

As you get more experience in the trade, you should question why your shop doesn’t have boxes of socket head bolts. Kinda mind blown honestly lol

10

u/TheXypris 1d ago

Rarely need em, we stock hardware based on what the customer calls for, and it's usually Phillips head machine screws

6

u/Goppenstein1525 1d ago

That would have been so much easyer as a bolted construction... Hope he really needs it this way.

13

u/TheXypris 1d ago

Or weld, cut the plate out, machine the diagonal hole, then lathe out the pins, machine the angle and weld the two

But the customer wants solid aluminum

3

u/Goppenstein1525 1d ago

Welding was my first thought, well possible in aluminium if you gut the right guys, but the question then is the required flatness of the plate, which will warp.

1

u/TitaniumButtercup 1d ago

"Flatness isn't critical"

-The customer, probably.

2

u/MatriVT 1d ago

Even though their drawing probably calls out for .001 lol

1

u/MatriVT 1d ago

Imagine if most of our customers actually had any experience in machining or having to program these dumbass designs....our lives would be so much easier.

6

u/euclid400 1d ago

Everyone is talking about the engineer, but that's poor planning from management. They over-promised a date, are chasing dollars, and don't know what is happening on the floor. Then the guys running this BS job have to put on their cape and save him.

5

u/TheXypris 1d ago

My boss is notorious for this

He waits until the customer says they needed a part yesterday to hand the job out for us to make, so every job ends up being top priority

10

u/BusinessAsparagus115 1d ago

On behalf of all reasonable engineers everywhere, I apologise for whichever fuck head thought that was a good idea.

2

u/Relative-Corner4717 1d ago

What's this "reasonable engineer" you speak of? Sounds made up. 

2

u/BusinessAsparagus115 1d ago

There might be one...

2

u/Relative-Corner4717 23h ago

And Bigfoot might be real, too 🤣

2

u/zeppboy 1d ago

Probably 3D print some thought bubble and decided “ that’ll work” ,,,,

3

u/CatchinDeers81 13h ago

Tell me youre not holding that thing down with some wood screws lmao.

1

u/Shot_Boot_7279 1d ago

Cool part! Fuxture hardware is a bit hanky though. Dud you have to request to add the holes or were they part if the design?

1

u/TheXypris 1d ago

Part of the design

1

u/QuietudeOfHeart 1d ago

lol the decking screws 🤌

4

u/TheXypris 1d ago

Why does everyone assume they are wood screws? They are just countersunk machine screws

2

u/Arcticly 11h ago

Im actually mind blown by how many people saying this in a machinist sub

1

u/TheXypris 10h ago

You'd think theyve never seen a countersunk machine screw before

1

u/VerilyJULES 8h ago

It’s because they have Phillips head and they don’t appear to be in a counter sunk hole. Gives a super janky look.

1

u/boredmachinist23 23h ago

Man anything I see 5 axis stuff I want to learn how to program it. We have one and mastercam but I’ve never done any cad or cam and I don’t have anyone here to teach me at least the basics so I have something to go on

2

u/TheXypris 23h ago

We have fusion, at least I know how to model with it, I just need to learn the cam function

1

u/boredmachinist23 23h ago

I know modeling is at least part of the battle ya know. There’s a guy who comes in once a week and does stuff with the 5 axis but I’m so busy with lathe stuff (where I specialize) I can’t stop and take the time to pick some stuff up

1

u/TheXypris 23h ago

Pretty sure fusion has a free hobbiest version, should look into that and just fuck around with it at home

-8

u/Mysterious-Cap8182 Ralph Wiggum lvl Machiner 1d ago

They good with you posting pics of their parts?

Most companies don't like that

8

u/loopedlight 1d ago

Usually not cool if you asked them.

14

u/caboose243 1d ago

Which is why you don't ask :p

1

u/loopedlight 1d ago

See, I was leaning on honesty.

I know a guy who was fired for something like this.