The first step is to learn the fundamentals of CNC programming, such as the syntax, commands, functions, and logic of the code that runs the machines. You can start by studying the manuals and guides of the CNC machines and software you use or have access to, and by reviewing the existing programs and files. You can also take online courses, read books, watch videos, or join forums and communities that teach CNC programming. The more you learn, the more confident and competent you will become.
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The way you advance IMO is by performing at a high level as an operator. Start learning how to adjust offsets to bring parts into tolerance. Earn the trust of your shop to move on to setting up new parts. Pay attention to how those parts are running. Find a mentor and study CNC machining techniques. YouTube has changed the world of machining. Back in the day you had to learn from the old guys. Now there's free online training and you can download free software to practice at home. After grasping operation, and setups... ideally move to a 2D machine like a waterjet if you can. Continue practicing at home and when you think your ready talk to your boss about programming simple parts. Continue taking baby steps to your goal of programmer.
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After following the instructions provided by various experts here, you'll acquire the skills to machine a part, create optimal CAM programs, and read G-codes. But where does the ability to read G-codes come into play? You might occasionally need to manually modify G codes, but there's a larger potential for utilizing this skill. Let me emphasize a pivotal step in transitioning into a proficient CNC machinist: becoming a CNC post-processor expert. Few CNC machinists excel in creating their own CNC post-processors. Everyone I know who possesses this skill has ascended to become a manufacturing manager, a factory manager, or has established their own workshop. This ability will skyrocket your career very rapidly, you can be sure of that.
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Operators who want to move up should start by reviewing the code of the programs they are currently running. That will generate a lot of questions. You have online resources but you have a programmer that made the program as a resource. The first step has to be curiosity to make the move.
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As an "operator" doing a specific job on a machine you need to know what tool is cutting each feature programmed for your operation! If you are able and allowed to make adjustments to tool offset this will be critical. If the job runs for days with tight tolerances get familiarized with the machine as it warms up throughout the day (spindles in older machines will grow as they warm up)and you can project the next morning's adjustments. As mentioned understanding the print and how to inspect the part with available hand tools then find alternative ways to verify your findings. Read the machine manuals, write code by hand and have a mentor review it, run said code and you will see what should be changed.....then move to software..... So on!
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Para fazer essa transi??o de Operador CNC para programador CNC é um processo bem longo, onde exige bastante experiência como operador, entender a máquina, o material a ser usinado e interpretar o desenho da pe?a à ser programada. Cada código de ciclo da máquina e saber onde vai ser feito os pontos zeros é essencial para um operador se tornar um programador, claro, apresentando suas certifica??es na área e ter o aval do seu líder para poder realizar as altera??es, realizar um programa simples para alguma pe?a.
The next step is to practice your skills on simulation software, which allows you to create and test your CNC programs without using real machines or materials. Simulation software can help you improve your accuracy, efficiency, and troubleshooting abilities, as well as save you time and money. You can use simulation software to experiment with different scenarios, parameters, and designs, and to learn from your mistakes and feedback. You can also compare your results with the best practices and standards of the industry.
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One thing you have over simulation softwares is your experience ??. They will greenlight trochoidal paths on a piece that will be sent flying away once loaded ?? and this is where you will shine. BUT again, DO NOT get too cocky as most machinists are ??. Simulating your work first is VERY important as it helps you prevent mistakes that leads to avoidable accidents for others. "The tool is only as good as its user". Remember, you are now wanting to transition from being reponsible for your machine and workpieces to taking responsibility for all of your shop's machines, their operators' safety (your friends), Answer to your boss, his profits and the wellbeing of his company. Manners maketh the Machinist/Programmer ??
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A good understanding of speeds and feeds and how it affects the cut and the tool is really important. Creating a program in simulation is great for getting used to each of the mechanics but how different cutting strategies affect cycle time, surface finish, and tool life sets programmers apart. You're useless as a programmer if you break tools on every operation because you're trying to go too fast. The same can be said by going too slow, it's easy to rack up cycle time which can increase by an order of magnitude. There is a lot more to programming than "tool moves here".
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Get to know the machines a little before even jumping on a simulation. Try to understand machining limitations. If you want to make a 1" dp pocket, you need to be able to know what the machine can handle before you can even select the Tooling. You don't want to try to take a full depth cut with a roughing end mill, if the machine can only handle half the depth. Forcing a machine to exceed its limitations is a good way to have to buy another mill.
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There are many options for CAD/CAM software you can use to learn and simulate CNC programs such as Solidworks CAM, MasterCAM, EnRoute, Fusion360 CAM. Most offer some form of trial program that you can find YouTube tutorials for. If your company has made some of this software available to you to explore, do so as the workplace permits. If you have access to some overstock materials, ask if you can test some programs on them on your own time. Always have someone more experienced check your test programs for feeds/speeds/depth before you go ahead and run them. Explain to them what you would like to do and what tools/speeds/feeds you plan to use. Try to make some small projects that improve the workplace and you'll make some friends :)
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Die Verbesserung der Genauigkeit, Effizenz & vor allem Fehlerbehebungsf?higkeit sind mit rasendem Tempo bei diesem Berufszweig elementar. Simulierung der Werkzeugweg in der Maschinensimulation und visuelle Prüfung der Machbarkeit, bevor ich ihn tats?chlich bearbeite ist das eine. Die Software muss eine vollst?ndige Kollisionserkennung zwischen Maschinenkomponenten, Werkstücken, Vorrichtungen, Werkzeug & Haltern bieten, ist das andere. Somit erreiche ich die Fehlerbehebungsf?higkeit! Um Zeit & Geld einzusparen ist es wichtig s?mtliche Funktionalit?ten der Maschine, die Kinematik und das Know-how der Werkz. in einem Postprozessor gebündelt zu haben, der speziell auf die Anforderungen im Betrieb zugeschnitten ist. Simulation = Realit?t !!
The third step is to get certified or accredited by a reputable organization or institution that validates your CNC programming skills and knowledge. Getting certified or accredited can boost your credibility, reputation, and employability, as well as demonstrate your commitment and professionalism. There are various certification or accreditation programs available, depending on your level of experience, specialization, and goals. Some examples are the NIMS CNC Programming Certification, the SME Certified Manufacturing Technologist, or the AWS Certified Welding Engineer.
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Find a local vo-tech that offers both manual machining and CNC programming courses at night. Talk your employer into funding them (the ones in my area are about $400ea for 10 weeks, 20 classes). Study diligently. Download Fusion360; learn basic CAD and CAM. Start programming parts and posting code. Read that code back to yourself and comment what every line does. If you feel really brave, learn C or Python (something with variable declarations, loops and conditionals), this will help you figure out macro logic. I say learn manual machining because you need to know how to work the metal rather than just tossing it into a machine. You need a basis, everyone in this industry does, especially engineers.
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Or Red Seal machinist !?! 10 years as a non certified tradesperson, or .. An Applications Engineering Degree. Either way, a sure-fire way to kill a CNC shop is to have an under-certified programmer developing your processes.
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Eine zukunftssichere M?glichkeit ist die Investition in eine solide, effiziente und produktive Nutzung von SOLIDWORKS und SolidCAM. SolidCAM bieten als CAM-L?sung spezielle Schulungsprogramme, um Ansprüchen in der Nutzung gerecht zu werden. Das Kursangebot ist modular aufgebaut, so kann zielgerichtet auf zukünftigen Aufgabenbereiche vorbereiten. Unsere de-tail-lierten Kursunterlagen stellen sicher, dass auch nach der Schulung die Voraussetzungen da sind, sich kontinuierlich weiter zu qualifizieren.
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Certifica??es s?o sem dúvidas muito importantes para seu aprendizado, fazer os códigos é apenas uma parte do processo de fabrica??o, para a confec??o do produto de maneira satisfatória é preciso entender técnicas e conceitos de usinagem, ferramentas de corte, propriedades mecanicas dos materiais a serem usinados, todo esse conhecimento é obtido através de cursos, work shops e treinamentos.
The fourth step is to build your portfolio and network, which can showcase your CNC programming skills and projects, and help you connect with potential employers, clients, or mentors. You can build your portfolio by documenting your work, creating samples, or participating in challenges or competitions. You can also share your portfolio online, such as on a website, blog, or social media platform. You can build your network by attending events, workshops, or seminars, joining associations or clubs, or reaching out to people who work in the field.
The final step is to apply for CNC programming jobs or projects, which can give you the opportunity to work as a CNC programmer and gain more experience and exposure. You can look for CNC programming jobs or projects on various platforms, such as online job boards, freelance websites, or industry publications. You can also ask for referrals or recommendations from your network, or contact companies or organizations that need CNC programmers. When applying, make sure to highlight your skills, qualifications, and achievements, and to tailor your resume and cover letter to the specific requirements and expectations of the employer or client.
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You need to be a machinist before you can become a good programmer. The distinction between a machinist and an operator is the machinist will always check what is cut. Operators are essentially “button-pushers.” Once you’ve established a disciplined attention to detail and can do set-ups, I would encourage one to start programming on the control with g and m codes. Understanding of these codes will be crucial later on, since they will allow you to troubleshoot cam softwares and post-processors when things don’t turn out right. Once you can “mdi” more complicated parts, then I’d say you can graduate to CAM software. Needless to say, someone who doesn’t know what they’re doing can do a lot of damage.
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Many people think training from operator to programmer is the companies job. They are two different roles. Some companies will help, some will not. You need to be driven to elevate yourself, especially in this time where programming and manufacturing is changing so much.
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Consider this example. You quote a job to machine a 2" thick piece of 300 series Stainless Steel. It's 15' long and 2' wide. Machined all over to be flat in its cold and relaxed state ~.002". Thickness is 1.500 +/- .002". No holes are allowed in the plate and all the edges have a .05 chamfer. The plate has previously been stress relieved but the mill skin and sides were not machined prior. There are so many complicated factors here that I would run out of words allowed. Very complex job that seems soooo simple.
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Programar objetos reales en papel y ejercitarse de esta manera, programar diferentes tipos de mecanizados, para así juntar con la práctica estos ejercicios finales, obteniendo una programación completa. La simulación se deja a lo último cuando los conceptos están frescos, para pulir los errores finales, como posicionamientos, ángulos y puntos claves para evitar alarmas. Program real objects on paper and exercise in this way, program different types of machining, in order to combine these final exercises with practice, obtaining a complete programming. The simulation is left to the last when the concepts are fresh, to polish the final errors, such as positions, angles and key points to prevent alarms
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Find a work place that does NOT employ button pushers. Ask how many jobs does the machinist/ programmer rigg/do in 1 day. The answer you’r looking for is 2 to 3 jobs per day. At very least 1 job per 1week or 2 weeks to program manually. Job series would be HIGH at 50 pieces per order. With this higher and varied turnover you can become very good. But… to be great you must be a team player and interested/curious, very very interested in everything involved in the process! Last tips… find a clever old fox that explains things simply and well. TAKE NOTES. Do not ask twice the formula for working out speeds and feeds. Stand next to me and if you have “the right stuff” i will make you great. You can contact me anytime for advice.
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