CNC Machine Automation

27, May. 2024

 

CNC Machine Automation

Assembly floors and manufacturing centers alike use Computer Numerical Control (CNC) machines to produce goods created through a replicable, cost-effective, and efficient process.

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In today's world, these machines are core pieces of technology for creating precision parts and products. While using these machines to fulfill complex tasks has reduced the need for human operators, skilled and qualified CNC operators are essential in ensuring the machines function, operate, and fulfill their purpose.

This article will explain what CNC automation is, what these machines can do, and where individuals passionate about machining fit into this ever-evolving field.

CNC Machine Automation

When first developed and introduced, CNC machines utilized punched or perforated paper tape for telecommunication data storage technology. Nowadays, they rely on digital instructions from computer-aided manufacturing (CAM) or computer-aided design (CAD).

Operated by a CNC machinist, these machines use these digital instructions in CNC machining language'called G-code'to interpret the designs, automate machine tools to simplify the production process, and, ultimately, reduce the intensity of the labor.

These types of machines are commonly used in metal and plastic part manufacturing plants, and their use comes with a variety of benefits, including:

  • Efficiency: With their high degrees of precision, CNC machines reduce the waste from each workpiece and decrease production costs. They can also work at any time of day or night, given that they can continue operations without direct human intervention.
  • Speed: Increasing efficiency directly affects the time it takes to finish production. By performing individual actions and combining other manufacturing steps, these machines work faster and quicker than human power alone.
  • Consistency and Capacity: CNC machines produce identical products in higher quantities continuously, repeatedly, and identically, as long as there are no machine errors or breakdowns in the coding.
  • Safety and Simplicity: They work independently, meaning once programmed, they will follow the instructions with only a few critical human operators to supervise and manage them. This also means manufacturing companies that use toxic or corrosive substances and high temperatures can keep employees safe by using CNC automation.

What Can Automated CNC Machines Do?

There are various types of automated CNC machines, and their specific abilities require different levels of automation, from simple to more complex.

Common types of CNC machines and their uses include:

  1. Milling Machines. As one of the most popular automated machines, CNC milling machines are highly precise machines that offer enhanced precision, repeatability, and the ability to produce complex shapes with tight tolerances. These machines allow for various operations like drilling, boring, slotting, and contouring, making them popular in the automotive, aerospace, electronics, and prototyping industries. Common types of milling machines include hand, plain, universal, and omniversal, with functions ranging from tapping, drilling, and turning to face milling and machine hard metals.
  2. Plasma Cutters. Designed to deliver highly accurate cuts of material with electrical discharge arcs, plasma cutters ionize the air and melt'or cut'the material where the torch strikes. Machinists use the hot plasma to cut through metal and for applications like industrial construction, restoration, and salvage operations.
  3. Lathe Machines. CNC lathe machines work best for cylindrical, conical, or flat products because they revolve around a central axis and use cutting tools applied to the workpiece to remove material and shape it into the desired product. Various metals, plastics, and wood are quickly transformed into everyday products like automobile parts, gun barrels, baseball bats, musical instruments, dining tables, and furniture legs.
  4. Waterjet Cutter. These versatile machines use high-pressure streams of water to cut through materials. They use a high-pressure pump to create high-speed water and sometimes add abrasive materials to the water to increase the cutting force. Stones, tiles, glass, metal, ceramics, plastic, foam, rubber, and other textiles can all be cut using a waterjet cutter automated CNC machine.
  5. Drilling Machines. Automated CNC drilling machines drill holes in any material for screws, secondary assembly, or aesthetic requirements. By using rotating drill bits to make cylindrical holes, these machines are utilized in the automobile, shipbuilding, astronautics, engineering, mold-making, and woodworking industries.

The level of complexity and automation needed for a CNC automation machine depends on the job or task, the accuracy required, the budget, and the time available for the job. CNC operators determine all these factors, the real-world problem solvers creating these innovative products and equipment.

Where Do CNC Operators Fit into the Evolving CNC Automation Field?

CNC machine automation is meant to streamline the manufacturing process. With the rise of combining this process with advanced robotics, we are closer to driving human-operated machinery off the manufacturing floor.

But CNC machines need machinists to implement and input the generated code and fix it if the code is incorrect or other system breakdowns occur. They must also be inspected for wear and tear and thermal expansion and adjusted for tolerance and performance.

Not to mention that with the advances in solid modeling, CAM/CAD systems, and computer integration, companies are ready to invest in trained machinists and robotic technicians.

 

 

The CNC Machining Program at Goodwin University

If you're interested in a hands-on, growing, and constantly changing field, look no further than a CNC automation operator and machinist career.

By earning a certificate or degree through a CNC Machining program, candidates can be integral in creating manufactured products and the booming manufacturing industry.

While every program will vary depending on the institution, our programs at Goodwin University combine classroom instruction and hands-on operation to instill the knowledge and machining experience needed to be successful in the industry.

Students receive an in-depth understanding of advanced Mastercam skills and a working comprehension of manufacturing mathematics required for programming tool location motion, feeds, and speeds'leading to competency in technical drawings, specifications, and computer-aided machining.

There's no better time to enter this fast-growing industry. It all starts with a CNC Machining Program. Contact us today for more information.

Let's crush your career goals together!

Automating a CNC machine | Xcelerate

CNC automation is the number one way to get the most out of your CNC machine. It is easy to connect Xcelerate and Elevate , Cellro's loading robots, to both existing and new CNC machinery. Universal automation solutions from Cellro make CNC automation possible for the entire machining industry. Whether the job at hand involves turning, milling, grinding, wire or zinc sparking, CNC automation has never been as accessible as it is now.

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Table of Contents

 

1.    What is automation?

Automation is the process where (part of) the manual labour involved in a production process is taken over by robotized labour. Connecting a robot cell to a CNC machine is a good example of this. Since the robot is capable of loading and unloading the machine, the production process can continue to run without being manned.

 

2.    Which CNC machines can Cellro automate?

In principle, Cellro can automate any CNC machine, regardless of the brand. We have experience with a wide range of CNC brands. In particular, Cellro has a wealth of experience with 3-axis machines (possibly including a 4th axis) 4-axis and 5-axis turning and multitasking machines. There is a certain range when it comes to CNC machinery. This applies to the X axis, the Y axis and the Z axis. It determines the size of the workpieces that can be loaded onto the CNC machine. Both CNC machinery with a horizontal spindle and machinery with a vertical spindle can be automated.

 

3.    Is CNC automation a profitable solution for you?

CNC machines come in various sizes and dimensions. Some CNC machines are suitable for heavy machining, while others can handle the frequent processing of for example plastic products. Regardless of the CNC machine you own, automation is often worth the effort involved. Your CNC machine will more than pay for itself. Automation can ensure longer-lasting production, which means less work for your specialist staff. Many of Cellro's customers have first-hand experience of this.

Cellro's golden rule is: if the batch size is large enough to run unmanned for one hour, this in itself justifies the use of a loading robot. For small batches, too, your investment is absolutely worth it. Xcelerate will enable you to significantly increase your daily production output. What is Xcelerate's secret? Not just the speed, but especially the continuity. Xcelerate is capable of doing the same work at the same pace for hours on end, does not become distracted and requires no breaks, calls or coordination halfway through the process. It delivers consistent quality. In addition, all those hours of unmanned operation are a real bonus.

 

4.    CNC automation: also suitable for small series and various products

Products with complex or different shapes can also be handled using Xcelerate or Elevate. Thanks to the technology that powers the robot grippers in our automation solutions, the loading robots can pick up products of all shapes and sizes and place them in the CNC machine with an excellent level of accuracy. The key to this is the robot and the freedom of configuration of both the gripper fingers and the inlays.

Robotisation of CNC machines is not only for mass producers. Suppliers with an unpredictable production process, which may consist of small series and a variety of products, can also benefit from Cellro's automation solutions. Need a greater handling weight and a high storage capacity over a small surface area? If so, Elevate is the ideal automation solution for you.

 

5.    The importance of safety in CNC automation

Working safely with automated systems is the number one priority. This is why Cellro pays close attention to safety. We comply with CE safety standards at all times. For example, Xcelerate is usually equipped with a floor scanner so that the machine remains accessible, thereby guaranteeing the safety of your employees. The system can easily be incorporated into your existing production environment. As for Elevate, there are multiple formats to help you tailor your preferred automation solution to your exact wishes and working environment. This allows your employees to perform their work undisturbed and safely while Cellro's loading robots load and unload your CNC machine.

 

6.    User-friendly software

Thanks to their user-friendly software, Xcelerate and Elevate are easy to use for any operator. The smart software allows you to add new modules or update existing ones. For example, do you need a specific inlay or specific gripper fingers for a specific product? No problem: this type of change is easy to implement with our software. This also makes CNC automation at Cellro highly flexible, giving you full control over how to adjust automation to suit your production process.

 

7.    Easy machine coupling

What do you need in order to couple an automation solution to your machine? An automatic door, a robot interface and automatic clamping are three key elements for stable and reliable CNC automation. Cellro has many years of experience in coupling automation solutions to various machine brands, taking full control of the process to largely spare its customers the effort.

7.1  Addition of multiple features

The machine interface plays an important role in machine coupling. A simple I/O link ensures that a single task is started at a time. In that case, the CNC machine contains the correct clamp and Xcelerate knows that the products from a certain drawer must be placed there for processing until such time as the products from the drawer are ready. If you subsequently wish to process another product in your CNC machine, you first have to change the clamp and the program.

With the Profibus, Ethernet, and Ethernet/IP interfaces, the entire process can be automated, even for small series of products of different shapes and sizes. These are protocols that are easy to couple and where a wide range of features can be added to the automation solution. Take Fixture Exchange, for instance, which allows you to change clamps automatically. This means that Xcelerate stores the required clamps and changes them at the appropriate time. In addition, these protocols allow you to activate different CNC programs. The CNC machine and the loading robot communicate with each other continuously.

 

8.    Automating milling benches and lathes

Cellro automates 3-axis milling benches, 4-axis (horizontal) milling benches and 5-axis milling benches. But also wire and zinc sparking machines. Find out more about what you need to pay attention to when automating a milling bench. Do you wish to automate a lathe? If so, read on to find out more about the operation of CNC automation for various types of lathes, also known as turning machines.

 

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