Advantages of using CNC machines in modern days

In most industries that use and utilize machinery, CNC machines are common inside the factories and warehouses. But what exactly is a CNC machine? CNC stands for Computer Numerical Control which, in layman terms, is a machinery process in which the machine is being controlled by a computer system. This is a very common in the world of manufacturing as this system has the ability to control specific tools inside the machine, including grinders, mills, and routers. 

While CNC machines are a piece of advanced technology, it's the machine's controller that is the most important. These controllers are crucial as they're responsible for feeding the exact instructions to the machine in way of the controller unit. These instructions are customized to fit the task, mainly being the specific cutting of metal or plastic. But it's not that simple.

How does a CNC machine work?

The machine controller has to input "G-Code" (or machine language) which controls the machine's features, including feed rate, location, speed, etc. The instructions added to the machine's computer will determine how quickly the machine will finish the cuts and how the final product will look. The final product look is put in using a drawing of a 2D or 3D image which then the computer creates the correct coding for the work.

To make sure nothing goes wrong, the controller is responsible for running multiple trial runs, which are known as "cutting air", which weeds out any speed or positioning issues. Some long-time manufacturing professionals may still prefer manual machining but the present and future is with CNC machines. Not only is the process much more exact and precise but it can also cut down on mistakes, increase productivity and expand the options and opportunities for any company.

No matter the complexity or repetitiveness of the metal or plastic cutting needed, CNC lathes for sale are the perfect fit to get the job done. If you're interested in adding new CNC machinery to your factory or warehouse, contact us today.

CNC machines – factors to require attention of customers

CNC machines are durable, reliable pieces of equipment, but over time they can begin to show signs of age, leaving business owners wondering whether it’s best to repair or replace their CNC machine. At MTDCNC we have specialised in CNC sales and service for more than a decade. We have learned a lot along the way about whether it’s best to repair or replace a CNC machine.

CNC machines aren’t unlike most other tools or pieces of equipment. They have parts that can wear due to over-use and age. If your CNC machine has served you well for a number of years and is showing signs of age, it’s best to consult with a trusted CNC technician to determine the best course of action. None of us like spending good money after bad, but sometimes it’s hard to determine if the machine is failing or if a minor repair can restore functionality.

Few factors that requires your attention:

• CNC machines that are old and have a lot of hours on them are prone to malfunctioning. Because so many business owners rely on CNC machines to manufacture things for business, down equipment translates into reduced profitability. If your CNC machine has slowly become a money pit, perhaps a new CNC machine makes more sense financially.
  
• Sometimes business owners or hobbyists want a new CNC machine, but shy away from making a purchase due to the perceived cost. Since brand new equipment is often too expensive for most businesses owners, a used CNC machine is a great alternative. There are several stores that offer used CNC machine tools for sale at exceptional values and these machines can be expected to perform well for years.

If your CNC machine is on the fritz, or if you think that your machine is operating on borrowed time, then it’s important that you contact us today to learn how we can help you find the perfect CNC machine to replace your existing equipment.

3 knowledge to acquire when running a production house

Engineering companies are now prone on doing multi-tasking mechanical works by using a single machine. A 5-axis mill turn machine specialises with a highly firm trunnion table that provides accuracy with maximum capacity with superior level of quality. The table rotation speed of these gadgets is not bad.  

• Multitasking machines and its working: 

These multi-tasking devices have the capability of both rotating work-piece operation and rotating-tool operation like milling and cross-drilling. These multi-tasking gadgets are typically recognised as the horizontal and vertical lathe. Spindles for milling and drilling are available at few or all types of tool positions. 

• Varieties of operations: 

Machine parts that are required for various kinds of operation can be machined in a single structure. More particularly said, if the sub spindle allows the parts to be passed from one spindle to another during machining process. Recently these multi-tasking mill machines have transformed itself from lathe design to a hybrid type. It is now can be said an amalgamation of lathe’s chucks and spindle that has travelling power of a machining centre. 

• Access details of the machine: 

These multi-tasking machines have APC options and the configuration will make it easy for adapting to a multi pallet. The FMS or Flexible Manufacturing System can be backed up by an ATC or Anatomical Therapeutic Chemical capacity. The specification on the multi-tasking device includes highly efficient machining along with longer device life that is included for materials like Titanium.

Advantages of using these multi-tasking machines are these devices are best for small type operation that are primarily best for turning operations. The axis milling head have more resemblance to a five-axis mill than to a turning centre. Now after reading this blog, one thing is now cleared to everyone that multi-tasking machine tools for sale are very much necessary for clients.

5 important tips for a beginner to work with CNC

If you’ve just purchased a new or used CNC machine, you might be tempted to jump right in and start milling. While it’s great to be excited about you’re the possibilities of your CNC Machine, it’s important to take a step back and make sure you’re ready. Here are 5 tips for a successful CNC Machine beginner:

1. check the set up:

Some machines come with flood coolant, but if you don’t have one now, make sure you have a misting setup. Keeping an eye out for chip build up will preserve the life of your cutters and avoid breakage.

2. avoid stainless steel:

Stainless steel and other difficult materials are best saved for when you’ve built up some experience. We recommend starting out with brass or aluminium and building up to mild steel. When you’ve mastered executing perfect cuts on these types of metals you can feel confident tearing into some stainless steel.

3. go through trusted sources:

Work holding is extremely important. If you don’t spring for a decent visa your work-piece will likely shift without your knowledge, leaving you questioning what went wrong. And remember, a good visa is useless without a clamping kit to hold it to your table.

4. checking the cutters:

While you don’t need the highest quality aerospace cutters on the market, you also don’t want to settle for some low quality, generic, imported cutters. Simply knowing that you have a decent cutter can rule out a major variable when it comes to determining where you might be going wrong with your cuts. For the leading supplier of high quality used CNC machines contact the experts at various industries. We offer equipment financing and international delivery for your convenience. And don’t forget, we also appraise and purchase your used CNC lathes for sale.

Everything to know about milling machines from expert’s diary

If you’re like a lot of machining enthusiasts, when you hear the words “milling machine,” you think of all of the applications associated with the term. You could probably rattle off a handful of uses and know exactly what you’re talking about. But to the average Joe, milling machines can be a little confusing. If you’re unfamiliar with milling machines, then it’s helpful to at least have a cursory knowledge of what they are and what they’re used for.

What do you understand by milling machine?

A milling machine is a tool that shapes solid metal products by strategically removing material from a larger piece of metal. They can be used to cut a variety of metals, and they can perform a number of applications to craft a range of metal tools and parts. Milling machines are also often used for shaping steel blocks that are used for task like coining and moulding plastics.

Depending on the type of metal that a milling machine needs to cut, they can adapt their cutting speed. Generally, softer materials are cut at higher speeds and hard materials are typically cut at a slower pace. The hardness of a material also influences how much material can be milled at a time, so harder metals typically take much longer to mill than soft metals.

How did the machine come into existence?

Milling machines have been around for a long time, and they have always been able to make very precise and accurate and cuts, but with the dawn of computer numeric control, they became even more versatile. Today, milling machines are used in a variety of industries for a wide range of purposes.

If you work in the manufacturing industry, a milling machine may be able to save you time and money while increasing your production output. Apart from the milling machines there are CNC lathes for sale available in the market with innumerable options.

Avoid mistake for best purchase – follow the rules

If you’re a business owner who specializes in manufacturing parts or precision cutting, a trustworthy CNC machine is an absolutely essential tool to maximize your production efficiency. However, as every good business owner knows, most of making a profit is about cutting costs down to the absolute minimum, and CNC machines can be extremely expensive. You might be interested in finding a used CNC machine in order to minimize expenses; however, you need to make sure you’re getting your machine from a reputable source, or you’ll end up paying more in the long run.

manufacturing date:

A lot of shady dealers will try to palm off old machinery on you, telling you that you’re getting a bargain. Of course, a machine that only functions for six months before breaking down completely is no bargain, so you have to make sure that you’re getting your machine from a trustworthy dealer who only offers high-quality products.

Check the working hours:

Make sure to check out how many hours have been logged on a certain machine. Unscrupulous dealers will try to hide this information, leading you to pay a high price for a workhorse machine that is on its last legs.

Check the maintenance:

You’ll want to make sure you’re purchasing a machine you can trust, so make sure to find out about the maintenance history of the machine. A poorly-maintained machine can have a greatly shortened lifespan, even if it’s a relatively new machine.

At various known outlets, we know that your business needs the highest quality tools available. That’s why we only offer high-quality, inspected used CNC machines tools for sale, at highly competitive prices. Don’t waste your time and money getting a machine that will break down and bring your business to a screeching halt.

CNC machines – features to be noted

There are a wide-range of types and manufacturers of CNC machines.  When shopping for a new or used CNC machines for sale there are a number of key characteristics to pay attention to.  Here are some of the most important:

Number of Axes:

This is the most fundamental quality of any CNC machine.  In most basic designs, the cutting head moves in three directions – X, Y, and Z – and the tool itself always points down, aligned with the Z axis. This design presents some limitations compared to multi-directional machines containing a fourth axis.

Mechanical Movement Ranges:

Greater tool movement ranges allow for the ability to create a larger part in a single pass.  To determine the size of the machine you’ll need, consider the maximum size of the largest individual part of what you’re trying to create.

Use of a Specialized Spindle:

The spindle that connects the motor and the rotating tool has a large impact on the accuracy of the CNC machine.  Its primary role is to ensure that the rotation of the tool is highly concentric with minimal vibration and that it stays this way under load.  A higher quality spindle will increase precision by decreasing the total amount of back and forth wobble, the difference between the intended and the actual diameter of the tool.

Movement Speeds:

There are a lot of factors that contribute the amount of time needed to complete a job, but the final factor in the equation is always the performance of the CNC machine itself.  While it might seem like you would want to go with the highest maximum speed, there are downsides to this option.  Do your research carefully and choose a machine that will fit your needs.

Expert Industries are leading supplier of new and used CNC machines.  With their huge selection of CNC machine tools for sale, you’re sure to find the one that fits your needs.

3 Tips to choose trusted suppliers of CNC machine for sale

Whether you own an established business that utilizes CNC machines, or you have just founded your own metalworking business, you are more than likely aware of how expensive CNC machinery is. Even a used CNC machine can cost upwards of five figures. When you buy a CNC machine tools for sale, you are making an investment in your business, and for this reason, it is imperative to find a CNC machine dealer you can trust.

Check the reputation:

We recommend choosing a CNC machine dealer who has an established reputation within their community and the metalworking industry at large – one that hundreds or thousands of clients know and trust. When you choose a dealer, who has a reputation for excellence and customer service, there is a much higher chance you’ll leave satisfied with your shopping experience.

Deal with the dealers directly:

The last thing you want to do is peruse CNC machines for sale while feeling as though you are being pressured to make an immediate decision. A reputable CNC machine dealer will have no problem with making an appointment on another day if you aren’t certain you want to make a buying decision on your first day out shopping.

Reviews and positivity:

Read online reviews about the dealer you are considering doing business with. What do former clients have to say about them? Is the dealer in good standing with the Better Business Bureau? How have former disputes or complaints been resolved? A little research and legwork can go a long way in saving you from regret down the road.

After all the factors are satisfied make sure that you are buying the best of all products and increasing your business growth to a huge extent.

How to repair and replace the CNC that is continuously used?

The application of computer controls to machinery has magnificently improved the ability to produce creative and useful products, but they do require maintenance, repairs, and eventual replacement like any other piece of equipment. Let’s take a look at the factors that shows CNC lathe you are using would require a replacement or repair.

1.       Increased productivity time:

One of the subtler signs of needing a CNC replacement is a slowdown in the time it takes to do its job. A timing circuit in the control board or a ball bearing losing the right amount of lubrication can add fractions of a second to the output time, slowly building up into hours of lost work over a season. The only way to check this is to perform speed tests as part of your regular maintenance inspections.

2.       Frequent disturbances:

When parts begin to suffer too much wear and tear, they may show their fatigue through messing up on the job just like any other worker. If your QA starts to notice an increase in failures, the culprit could be the CNC.

You may have gotten by in the past by replacing the parts that break down and giving the others a tune-up as necessary. With advances in both machine and computer technology, those old parts become more difficult to locate. The factories are no longer producing the out of date parts, leaving you with limited and more expensive places to find them. When your only option for replacing a circuit, board is a used hunk of plastic found in the depths of an online auction house's basement, then your repair job will be limited by only having access to parts that are already bearing the damage of previous use.

If your CNC equipment is slowing down, producing poorer quality products, and becoming increasingly more difficult to repair, then it is likely time for you to consider replacing it with a newer model that will save you time and money.

Way to choose the best from experts’ dictionary

As a machine shop operator, you might wonder whether you should opt for a vertical machining centre or a horizontal machining centre. Here's a few facts that might help your decision-making process. Here are some benefits of using a horizontal machining centre:

• HMCs really stand out on spindle run time. Compare 25% on a VMC (vertical machining centre) to 85% on an HMC. This translates into a simple fact - An HMC will create the same part, and use 1/3 less labour doing so. HMCs costs significantly more than a vertical machining centre, but they can do the same amount of work as 3 VMCs. Gravity aids chip evacuation, meaning a more refined surface finish and a longer tool life. HMCs also have a fourth axis tombstone capacity.

• VMCs are considerably cheaper than HMCs (horizontal machining centres) - According to the Association for manufacturing Technology, it costs approximately within your budget for an average VMC, compared to the average HMC. It's no wonder that 4 times as many machine shops purchase VMCs every year. It's easier to see what's going on inside a VMC. HMCs are built with the spindle behind the tombstone, which makes seeing what's happening much harder.

Many more machinists, shop owners and operators have experience with VMCs, plus a VMC will require less floor space.

A sharp contrast between two:

To sum up - VMCs are better if your shop is new, your funds for investment are tight, and if you're working with small quantities and you change jobs frequently. HMCs are best for shops that have investment capital, and can afford to spend more on skills and upgraded tooling to produce parts in volume. There are several machine tools for sale available both online and in physical shops. Avail yours today for an increased production rate.