Sep. 30, 2024
Looking into getting a new CNC cutting machine? Customers are always wondering what to ask before buying a CNC machine. The good news is, we're here to help. With so many options, add-ons, specifications and quality concerns, we're going to cut right to the quick. We present you with seven important questions to ask before buying a new CNC machine . Check out our list to learn more about CNC tables and what to look for when comparing different plasma systems.
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You need to have a solid plan in place for how to integrate your new CNC plasma machine into your machine shop or factory floor. That includes having adequate space for a CNC table as well as projects and applications that would greatly benefit from the speed and accuracy of a cutting machine.
Once you have sorted all that out, understanding your power and cutting requirements would come next. How thick is the metal being cut by your CNC plasma machine? That will help you determine the appropriate power for your plasma system, along with cutting implements and other consumables.
It's always good to know how often you can expect your CNC cutting machine to be down for servicing. The useful service life of your consumables ' the nozzle, electrode, retaining cap, swirl ring and others ' will give you a good idea of the operating cost of your CNC plasma cutting machine.
Knowing the life cycle of your consumables will help you budget for downtime caused by maintenance and give you lead time on purchasing replacement parts from the manufacturer.
While most CNC cutting machines have similar service requirements, the amount of time it takes to perform maintenance can vary. Additionally, CNC tables that use more complex parts or have specialized functionality can require additional levels of maintenance depending on your application and plasma system.
However, it is always important to perform routine service on your CNC cutting machine. Minor disruptions in service now can lead to longer overall life cycles and prevent major disruptions later on down the line.
Most manufacturers and suppliers provide servicing and preventative maintenance to prevent issues from arising. Servicing options include technology updates and retrofits for aging CNC plasma machines that breathe new life into older components. Finding machines that are compatible and capable of upgrades is important when comparing CNC tables.
Most manufacturer warranties are independent of any additional warranties you may receive from your cutting machine dealer. Most major components, such as input devices, control units, servo motors, drive systems, displays, electronics, power supplies, downdraft tables and others will be covered by manufacturer's warranties. Speak with a customer support representative to learn more about other warranty information before purchasing.
The lifetime of your CNC plasma cutting machine comes down to numerous factors that make it difficult to predict a true lifespan before full replacement is necessary. Nowadays, most systems can be upgraded or retrofitted to expand their life cycles even further. When buying a CNC machine, future-proofing your workflow with upgradeable technology will ensure the longest life at the lowest cost.
In some cases, it may be possible to update your outdated CNC plasma cutting machine with new components. With compatible technology, you can upgrade things like CNC controllers, drives, motors, gearboxes, torch height controls (THCs), oxy-fuel lifters, bearings and more. Speak to your customer support team to discuss whether future-proofing options are likely to be available for your particular application.
Still have questions about buying a CNC machine? Cutting Systems understands that you have dozens of options for your next CNC plasma machine. That's why we offer our knowledge and expertise to help you choose the right plasma system and CNC table for your needs. For comparing and purchasing a brand new CNC cutting machine, Cutting Systems can build the best solution for you.
A lot of time and effort often goes into finding the right equipment for your facility. Purchasing a new wire cut & strip machine is no different. With so many options, where does one start? Asking these five questions during the decision making process will help ensure you end up with equipment that fits all of your needs.
Will my new cut & strip machine be flexible enough to process all of my current and future applications?
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Unless you'll be running the same few jobs day in and day out, you'll want a machine that is as flexible as possible. It is best to focus on the extreme ends of the application range in regards to wire and cable size. For example, if the largest wire you currently process is 10 AWG, determine if there is a chance you'll need to process 8 AWG or larger wire in the future. You should also determine if there is a chance you will require advanced features like a multi-blade cutterhead (for processing multi-conductor cable jackets and inner conductors) or a rotary incision unit to make radial incisions through the various cable layers when processing coaxial and other multi-layer cables. Being prepared for future needs will allow you to get the most out of your purchase.
How long will changeovers take and are tools required?
Most modern cut & strip machines are fully programmable; however there are always several job specific mechanical parts (guide tubes, blades, etc.) that have to be changed between jobs. Changeover times can be minimized if these changes can be accomplished without requiring tools. The smaller your batch size, the more frequent your changeovers will be. A cut & strip machine with shorter changeover times will provide a quicker ROI and continue to pay dividends over the life of the machine.
What is a realistic production rate that I can expect with my new cut & strip machine?
When comparing datasheets for several different cut & strip machines, you'll sometimes see a specification listed for 'Maximum Transport Speed.' A high maximum transport speed doesn't always correlate to a high production rate, unless you are running longer lengths. The cutting axis and other machine specifications all contribute to the machine cycle time, so it's better to focus on the 'Maximum Production Rate' listed for each wire length and application. It's always best to send wire or cable samples to the machine manufacturer before purchasing to get realistic production rates for your specific application.
What pre- and post-processing accessories are available for my new cut & strip machine?
Keep in mind that typical entry level cut & strip machines cannot be integrated with a full range of pre- and post-processing accessories. Determine what additional operations you'll need and whether the manufacturer of the cut & strip machine offers fully integrated accessories for those operations. Typical operations include hotstamp or inkjet marking, coiling and stacking to name a few.
Another of the most basic accessories is a prefeeder. They are available in many different sizes and styles. The most basic models feed wire and cable directly by pulling it through motorized belts or rollers. The more advanced prefeeders drive the cable reel directly, which is gentler on the wire or cable being fed. The most advanced models also feature a motorized reel lift and full enclosure for maximum safety. Make sure to specify a prefeeder that matches or exceeds the maximum acceleration and feed rates of your new cut & strip machine.
Will my new cut & strip machine be able to integrate with my ERP system or my Manufacturing Execution System software?
The factory of the future will require that all production equipment be connected to a network. When shopping for your next cut & strip machine, make sure that it has the connectivity required for integrating it into your network. Networking your cutting and stripping equipment opens up a whole new range of benefits. By sending jobs directly to the cut & strip machine, you'll eliminate operator keystrokes (and possible errors) and save a lot of programming time. You'll know exactly when each job is started and completed and be able to monitor average production rates. You'll also be able to optimize work orders automatically in the best sequence, taking changeover times, due dates, available machines and personnel into consideration. Finally, you'll be able to keep track of how many cycles each machine has completed and when maintenance should be scheduled. An added benefit is that every job will have full traceability.
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