Computer numerical control (CNC) custom machining creates a variety of intricate parts for many different businesses and industries. While mass production works in some industries, other applications call for custom parts. Here are five types of businesses that rely on CNC machining for customized designs and production.
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5 Businesses That Need CNC Custom Machining
Whether a business produces one or a thousand parts using CNC machining, they need to be precise and identical. These are just a few of the advantages of using this type of production. Others include higher quality, reduced human error, and better cost savings. Here are five types of businesses, or industries, that need CNC custom machining.
1. Medical Industry
CNC custom machining has become an indispensable service for the medical industry because this industry relies on many customizable and disposable devices to help patients. CNC machining is used for medical instruments, FDA-approved prosthetics, research equipment, sterile packaging, electrical parts, orthotic devices, implants, and MRI machines, just to name a few.
2. Automotive Industry
The automotive industry requires parts that operate efficiently and look attractive at the same time. CNC machining can deliver parts that meet an auto manufacturer’s strict requirements for function and safety while also creating an attractive finish. CNC custom machining can be used for auto parts such as wheel disks, spoilers, roof panels, gear boxes, and much more.
3. Defense Industry
The defense industry requires not only precise parts but also durable ones that will hold up under the most extreme environments. The government has established standards applying to military-grade products. CNC machining can produce prototype and production parts for the defense sector, such as electronics, communication components, plane parts, and transportation components, using tough materials created to military-grade tolerances.
4. Electronics Industry
The electronics industry requires parts that are small, lightweight, durable, and precise. This is a combination that makes these parts ideal for CNC machining. Parts can be created to precise specifications, such as heat sinks, housings, interference shielding, and electrical insulation. As electronics get smaller and smaller, CNC machines can create these minuscule parts with error-free accuracy.
5. Oil & Gas Industry
The oil & gas industry uses large machines for drilling and refining, requiring precision-fitting parts. Without a perfect fit, those machines are likely to experience piston failures, valve leaks, or cylinder malfunctions. Companies in this industry rely on components made from CNC machines, such as rods, pins, pistons, valves, cylinders, and drill bits.
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The manufacturing industry and machining world have seen a huge range of technological advancements over the last couple of centuries, beginning with the Industrial Revolution of the s. Manual labor has been revolutionized by machine work, and society has been forever altered by the introduction of the assembly line in .
Fast forward to , over a century later, and we have computer-aided, or computer numerical control (CNC) machines that are taking over the production process entirely. One such machine is the CNC lathe machine, which quickly replaced traditional multi-spindle lathes to become one of the most versatile, popular tools in use today.
A Brief Introduction to the CNC Lathe Machine
Computer controlled lathe machines are essentially a modern take on a century-old tool — the manual lathe. The lathe spins the raw material along one axis (vertical or horizontal), while the cutting tool attached to it gives the material the desired shape.
- Sizes available — Like mills, CNC lathes can be found in multiple sizes and shapes, from tiny machines to full-form lathes that take up an entire room. Miniature, handheld versions are often used by watchmakers and jewelers, while the bulkier versions are a staple in CNC machine shops.
- Materials used — CNC lathes can be used for a wide variety of materials. With the right material, you can achieve any kind of intricate design or shape. Below are a few commonly worked materials.
- Wax for creating prototypes — Machinable wax, plain paraffin, and beeswax
- Wood — Lathed wood has a beautiful look and feel
- Plastics — Delrin®, acrylics, and Teflon™
- Metal — Aluminum, brass, and stainless steel
Types of Lathes
- Engine lathe — A popular type of lathe suitable for low-power operations; reliable and versatile; works on a wide range of speeds and feeds
- Centre lathe — Involves levers and gears that manage spindle speed; not an especially popular option
- Gap bed lathe — Can easily accommodate larger workpieces due to a removable bed section that forms the base of this machine
- Speed lathe — Faster, lighter version of modern CNC lathes, only including a headstock, tailstock, and tool turret
- Bench lathe — Another lighter, small CNC lathe variety; can be perched on a workbench for small jobs
- Toolroom lathe — Highly versatile; provides the best finishing
- Turret lathe — Ideal for quick and sequential workings
- Special-purpose lathe — Used to perform heavy-duty, specific tasks
Benefits of CNC Lathes vs. Conventional Lathe Machines
CNC lathes offer many advantages over conventional machines. Five key benefits are outlined below.
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1. No need for highly skilled operators
In the past, working with lathes required two highly skilled operators — one handling the lathe and the other controlling the material. It was a tough job. But now, with the introduction of computers and automation, lathe tasks are a lot less daunting. You need just one operator — someone skilled enough to enter the dimensions onto the machine, adjust the feeds and the speeds, and let the computer (and the machine) do the rest.
2. Full automation, allowing for easier, quicker work
Producing hundreds, even millions, of similar dimensions is easier than ever, thanks to modern CNC lathes. Today, machine-controlled systems enable CNC lathes to produce perfect pieces easier and quicker than ever before. Whether you need simple parts, intricate parts with tight tolerances, or unique, intricate shapes, CNC lathes can handle the job.
3. Highly versatile, allowing for use in the creation of all kinds of products and parts
Unlike manual lathes, CNC lathes are versatile enough to produce nearly any kind of product or part — from sturdy furniture pieces and car parts to delicate lamps and crockery. Shaping cylinders or spheres is easy with CNC lathes, which can even be used to produce replacements parts for other machines.
4. 99.99% accuracy
As less manual labor is involved, the chances of achieving optimal accuracy are pretty high with CNC lathes. This makes these machines a top choice in industries requiring high precision — such as the aerospace, health care, and hospitality sectors. Plus, CNC lathes work with almost every type of material. That said, one can never eliminate all errors, manually or otherwise. That’s why we’ve kept that 0.01% aside.
5. Cost efficiency
While CNC lathes are a lot costlier than manual lathes, CNC models still offer a range of financial benefits, including:
- Low setup costs — Setup costs are a one-time expenditure when working with CNC lathes.
- Machining costs — With CNC machines, you recoup every investment by being able to produce 20x more parts than manual lathes allow in a given time frame.
- Labor costs — Fewer operators are required with CNC lathe work, and they don’t need to be tied to the machines 24/7. This frees up your labor budget for other essential operations.
- Material waste — Less human error means less material waste.
Working with a CNC Lathe Machine
Like other types of CNC machines, CNC lathes have found a solid niche in the machining sphere over the last several years, effectively replacing manual and conventional models thanks to the versatility, accuracy, cost efficiency, and easy automation offered.
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