The CNC mill is still one of the most common ways to manufacture metal parts. The most common CNC milling machines are the vertical machining center and horizontal machining center. Types of vertical and horizontal CNC machining centers range from 3-axis benchtop CNC mills to 5 axis CNC mills, short to long travels, and fast to heavy-duty RPM spindle speeds. Some of the top mill machine tool manufacturers include Citizen, DMG Mori Seiki, Doosan, Daewoo, Fadal, Ganesh, Haas, Mori Seiki, Hurco, Makino, Mazak, Milltronics, Okuma, Samsung, OKK and other brands. Our milling inventory includes state of the art cutting tools for all of your vertical mill needs.
CNC Milling machines are still one of the most common ways to manufacture metals. Manual mills or also known as Knee mills can cut through metal but require a lot of manual labor and time. On the other hand, CNC machine mills which are computer-controlled can help speed up the process and automate milling production at scale. Industries that commonly use these types of computer-controlled cutting tool mills include motorsports, aviation, and even aerospace companies like Space X. When choosing the right CNC Mill for your production there are many major types of milling machines to choose from but the top 3 general mills to consider are the Vertical machining centers, Horizontal machining centers and other mills that have more universal applications like the 5 Axis CNC mills. We carry brand-specific CNC machine tools to fit your production needs. Our popular brands include Used Haas Mill, Used Mazak CNC Mill, Used Okuma Mill or even model specific mills like the used Haas Vf2, or the used Haas VF3
Vertical mills cutting tools are more common than horizontal milling machines in part because of their cost and ease of use. With vertical milling machines, you can see more of what you're doing compared to a horizontal milling machine. They tend to be less complicated to program and offer more flexibility, so they are better if you have unorthodox pieces of one-off needs. Another advantage is that they require less floor-space than an HMC. Vertical milling machines are usually for smaller parts and the super-size parts are made on horizontal machining centers. Because of the ever-increasing complexity and features being added to both kinds of machines, both kinds may be referred to as machining centers.
Most CNC milling machines have the ability to move the spindle along the Z-axis which allows for freedom to engrave and make much more complex parts. When a fifth axis is added, making the machine a 5-Axis machine, the B axis controls the tilt of the tool to make extremely complicated geometries. Most selections for CNC milling machines begin with the size parts you plan to machine.
Some of the benefit of Vertical Machining Centers include:
Vertical machining centers may seem to be the answer, its not as simple due to the complexities needed for different industries. One horizontal milling machine can be as productive as three vertical milling machines. The spindle utilization on an HMC is 85% compared to a typical 25% for a VMC. The Horizontal machining center uses better chip evacuation methods when compared to vertical mills, which means less re-cutting and longer tool life. The surface finish from a horizontal mill machine is often better too.
These machines are very sturdy and built to withstand vibrations, so the work environment is quieter, and the machine tends to last longer. Many owners believe that the additional initial investment in an HMC well-worth it since parts are less costly coming off the machine. Depending on the project, it might make sense to buy an inexpensive used HMC and use it exclusively for production. There is software available to help you program and run it to its full capacity.
Benefits of used horizontal machining centers include:
If you have access to the talent to run a horizontal machining center and associated programs (like CAD/CAM), consistent mid-to-high runs of parts and the capital to invest, a horizontal milling machine may be the best choice for you. However, if you are just getting started with machining, have many varied jobs for a wide range of parts and tend to make smaller parts you'll probably want to select a used vertical milling machine.
For complex geometries that are high-volume and require high-quality precision as well as great flexibility, you may want to consider a 5-axis machining center. 5 axis mills have up to 95% spindle utilization and can run overnight and during a weekend unattended. 5 Axis mills are cost-effective and can save you money on human capital while increasing your production. Different horizontal mills are designed for various size parts and types of materials. 5-axis vertical cutting tools reduce cycle times and add to the complexity of parts that can be produced. As with the HMCs, some are designed for tougher materials than others. The VMCs tend to be for smaller parts as compared with the HMC. .
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Our CNC Expert team is constantly working on bringing more CNC mills to the market and can let you know about the next wave of used CNC machines coming available. If you are ready to buy a mill, we would love to help you find the perfect CNC machine for your shop. Contact one of our used CNC Mill experts today for more details: (844)-262-6789.