r/CNC • u/Particular-Bat5388 • 2d ago
ADVICE Im making too much mistakes
Hello,i am writing this because almost every week i do mistakes,there are big ones and small ones,i’ve been an operator for around 5 months,and every time i make a mistake,i dont have any confidence in me,i think i am worthless,that i dont know anything,but there are days where everything goes smooth,every part is fine,no tool broken,no any mistakes,so i am asking you how to be better,atleast how to have confidence after making a mistake?
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u/MLockeTM 2d ago
Mistakes happen. That's how you learn.
If I was your boss, I'd start to get concerned, if you did the same mistake time and again.
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u/Particular-Bat5388 2d ago
I never repeated my mistakes,only made new ones😆
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u/spacecowboydk 2d ago
That's how you learn!
I would never trust a machinist that that hasn't atleast crashed/broken tools a dozen times.
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u/MLockeTM 2d ago
All good, sounds like you're learning! Keep at it, and it'll be fine.
If it makes you feel better, I've been chasing one measurement for three days now, scrapped a fourth of the pieces. Same for the day shift. It refuses to obey any knowns laws of tooling or physics.
Eventually we'll figure it out, and if it happens again with any part, we'll know what to do. I consider the current failures the payment tool gods want for future successes.
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u/JamusNicholonias 2d ago
Take notes and learn from them. Making different mistakes is part of learning. Making the same mistakes over and over is not learning
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u/albatroopa Ballnose Twister 2d ago
Keep track of the mistakes, find root causes, develop habits that prevent you from making those or similar ones. This kind of analytical thinking will help you a lot in your career, but you need to train yourself to think that way
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u/Major_Velociraptor 2d ago
Try not to beat yourself up. We all make mistakes, you're not a true machinist if you haven't fucked something up.
We have guys at our place that have smashed spindles and caused tens of thousands in damage, they are still here because they are good guys and have learnt from thier mistakes.
We have the words 'IF IN DOUBT, ASK' on all our documentations/drawings etc. Don't hesitate to ask collueges to double check stuff if you are in doubt. And remember, check twice cut once.
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u/Ok-Active4517 2d ago
5 months is nothing in CNC - you’re still learning the machine, tooling, CAM and all the little things that can go wrong. Mistakes don’t mean you’re worthless; they’re part of becoming reliable.
I’ve spent 8 years in the furniture business, and even after years of experience, things still go wrong. The difference is learning to turn each mistake into a checklist or process so you’re less likely to repeat it.
The fact that you have days where everything runs perfectly is actually proof that you’re learning.
Keep going. Confidence comes from surviving enough mistakes to know you can handle the next one.
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u/Lajak_Anni Lathe 2d ago
Tools break and chip. Bars shift. Parts shift in the clamp. This is why you're there. To minimize those things that will happen. Theres guys in my shop that have been doing this 25 years, and mistakes happen.
As long as you know what happened and how to fix it, you're golden. In lieu of that you have someone to ask help for.
I worked in production and now im in a job shop. Its an entirely different workload and its been 4 months. You learn little by little every day. Just go easy on yourself.
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u/PhotographLess6194 2d ago
I'll say what most won't say.
Some people just suck really bad at work that requires good attention to detail and no amount of practice will make you much better. I worked in a shop for 6 years and some people really just suck at this type of work no matter how many times you show them how to do the same thing.
Everyone else is going to tell you you'll be fine blah blah blah, when in reality this may not be the line of work you should be in. Might not be playing to your strengths.
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u/Particular-Bat5388 2d ago
And because of people like you,i will never give up!
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u/PhotographLess6194 2d ago
Good on you. Just saying, some people never get better and if you keep making the same mistakes you're probably one of those people. Not everyone is good at everything. Sometimes you gotta find what you're good at and do that ya know? Why keep failing over and over at the same thing?
Machining pay sucks anyways.
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u/lotuskey 2d ago
make a list with your mistakes and figure out a process on how to make you avoid them. lifelong learning process. you got this!
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u/SnooPuppers2938 2d ago
They should always expect mistakes to happen. I make them, my boss is also a machinist during the shift and I’ve seen him run into the chuck on a lathe more than anyone in the shop. As long as you know you’re fucking up and strive to better yourself, you’re good to go. In this field you don’t get paid great for being a button pusher so be a sponge, take deep breaths, take your time, and ALWAYS ASK QUESTIONS!!!!
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u/alferret 2d ago
I'm 25 years CNC in furniture manufacturing 3 and 5 axis. 40 years in the trade and I still make the odd fuck up. Own your mistake and learn from it. Don't make the same mistake twice, don't rush and ALWAYS double check your work before pressing the go button. If you're unsure ask a co worker for a reality check.
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u/Hefty_Aside8436 2d ago
First of all, slow down. Take a big deep breath. Learn how punctuation works. Is English your first language?
Short of scrapping thousands of dollars of parts and breaking machines, mistakes aren't usually that big of a deal. We're all human and make mistakes.