The centerless grinding process is ideal for finishing small cylindrical metal parts that require a tight tolerance and high-volume production. Learn some of the fundamentals of this process.

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The straightness properties of tungsten wire make it valuable for small diameter tungsten probes used in semiconductor wafer testing and neural activity testing.

Learn how the properties of copper tungsten reduce or eliminate the challenges posed by those materials when they are used in their pure forms.

What is lapping? In the right hands, this little-known process can produce parts with highly polished ends, tight length tolerances, and extraordinary flatness.

Learn why precision CNC Swiss machining is used in the production of medical electrodes made from MP35N® for electrical signal delivery devices.

Learn how the guide bushing and other features of modern CNC Swiss screw machines eliminate deflection to improve efficiency, consistency, and accuracy.

In circular runout vs. total runout, the first controls variation in circular features of a part while the other controls variation in the entire part surface. Learn the difference and how to measure them here.

Learn some common myths about plastic and reasons why it may not be a better choice than metal tubing for medical device applications.

While the most familiar use of tungsten (incandescent light bulbs) continues to fade, the unique range of properties continue to make tungsten wire irreplaceable for a number of products and applications.

Precision tubing plays a vital role in helping to ensure the accuracy of liquid dispensing systems used in many biotechnology and laboratory environments.

Learn the vital components of an effective quality control program and its role in ensuring that metal parts meet their requirements for design and function.

Learn how additive manufacturing (AM) — one of today’s fastest growing technological innovations — is changing the face of contract manufacturing everywhere.

Any surface will have flaws under the right magnification. In this video we explain the inherent challenges with blanket requests and how to overcome them.

For deburring of small metal parts, mass production requires the action of hand tools to be re-created by mechanical devices suited to high-volume applications.

In fact, material composition greatly influences performance in multiple ways. Interestingly, while both copper and tungsten in their pure forms can pose significant machining and manufacturability challenges, those difficulties are overcome when the two materials are combined.

With its unique properties, tungsten wire is used in a wide range of industry applications, from tungsten filament wire bulbs to tungsten thermocouples.

Celebrating 50 Years of Precision Manufacturing: Metal Cutting Corporation is genuinely thrilled to say we have just passed a significant milestone in our company history.

High precision internal grinding methods such as ID grinding and honing are used to achieve smooth finishes and tight tolerances on bore, hole, and tube IDs.

Learn about the important role of machining and tooling in the manufacture of metal parts for today’s fuel injection systems.

Circularity tolerance based on diameter helps to control roundness and ensure that small precision metal parts fit properly, move smoothly, and wear evenly.

While graphite is often used, the properties of copper tungsten make it an ideal material for EDM electrodes for certain applications.

Eddy current testing is an important method of nondestructive testing. See what you may not have known about the process.

Get an expert machinist’s perspective on how CNC metal cutting has evolved in the age of tight tolerance, micro-machining of small parts.

A statistically valid sampling plan in quality control provides a high level of confidence that if the sample is acceptable, the entire lot is acceptable.

While an automatic lathe can do simple 2-axis cutoff of metal rods and tubes, it is designed for more complex, multi-step machining operations.

Dopants raise the recrystallization temperature of tungsten wire and other wires, giving non-sag properties to tungsten light bulb filaments and other products.

That helps to make copper tungsten electrodes a great choice for electrical discharge machining (EDM) of carbides and for resistance spot welding.

Not surprisingly, though, by combining copper with tungsten, manufacturability is improved to an impressive degree. The addition of tungsten to copper eliminates the burr issues of copper. Conversely, copper reduces the tool stress relative to tungsten machining.

The characteristics of the precision tubing used in liquid dispensing systems can significantly affect the fluid dispensing process and testing accuracy.

Learn 7 simple rules to help ensure that calibrated measuring yields accurate and consistent results for your small parts manufacturing.

Learn how precision cut off and stamping compare in achieving distortion-free flatness, a sharp edge, and the precise exterior diameter needed for a spacing ring.

Learn why the characteristics of titanium tube make it a good choice for medical devices and other applications that require strength, light weight, and corrosion resistance.

Learn about the role that tight tolerance plays in optimizing for manufacturability, and how to specify tolerances to ensure part quality and control costs.

The electrochemical grinding process is a highly specialized method that combines surface grinding, chemistry, and fixturing, and has limited applications.

With profile of a line vs. profile of a surface, the former controls variation at specified cross sections while the latter controls the entire feature surface.

Calibration standards for devices and equipment used in measuring, inspecting, and manufacturing of precision metal parts can pose some unique challenges.

Learn how tungsten as an alternative to precious metals can help you achieve uncompromising quality and still keep your budget on track.

Learn how the right electrode material, design, and construction can help to prevent bonding problems in resistance spot welding electrodes.

Learn why manufacturers, designers, and engineers need to keep metal expansion from heat in mind when they create part specifications and decide how precise the part’s dimensions need to be.

Different precision metal cutting options vary in characteristics and appropriate applications, making the choice not quite so easy. This guide will help.

Explore the advantages of pure tungsten and pure molybdenum as alternative materials for use in spot welding electrodes.

Our name might not give it away, but precision cut off of tight tolerance, small metal parts is at the core of our business.

Finding a supplier who can deliver quality and on-time service can be tough, especially when it comes to the medical device and other heavily regulated industries. This guide makes it simple.

Electrochemical cutting (ECC) combines electrochemical erosion and grinding to produce a burr-free, shiny surface to a tight tolerance of ±0.005” (0.127 mm).

For some medical device applications requiring biomaterials, tungsten and gold-plated tungsten wire may be suitable alternatives to precious metals such as gold.

While each machine shop will have its own set of best practices, copper tungsten generally has the machining and grinding characteristics of hard gray cast iron. However, the machining characteristics will vary depending on the composition of the copper tungsten.

Learn about the advantages of precision CNC machining in the manufacture of small, complex parts requiring tight tolerances, smooth finishes, and repeatability.

Learn the advantages of copper tungsten electrodes for resistance spot welding of wire harnesses in battery electric vehicles (BEVs).

Choosing the right resistance spot welding electrode for an application depends on understanding critical properties of the different electrode materials.

Metal tubing continues to play a critical role in medical device manufacturing, but with the array of available plastic materials it can be hard to determine which material is the right one.

A fully complete RFQ tells a story about the buyer, the company, and the end product and its use — information we can use to provide the right quote (and the right price).

Follow these tips on how to choose a vendor for cut off metal parts and get the results you want for your precision manufacturing needs.

Pull rings for medical devices can be cut from 304 grade stainless steel tube or Swiss machined to provide specialty features and use other materials.

For extremely complex or detailed electrode geometries, the tungsten powder can be poured directly into a mold and then sintered with the copper. That provides greater flexibility for a range of electrode manufacturing requirements.

Surface finish requirements are just some of the details critical to completing an RFQ that will help you optimize for manufacturability.

To avoid the challenges of verifying OD/ID concentricity, try to use other applicable GD&T symbols in place of concentricity in tubing drawings and designs.

The metal shearing process can be quick and inexpensive for cutting some simply shaped parts, but it has disadvantages including burrs and end deformation.

We discuss elsewhere how the powder metallurgy process that creates the copper tungsten “pseudo-alloy” can be manipulated to improve performance. In addition, that process of pressing, sintering, and infiltrating is constantly being reimagined to produce a denser, more stable product that makes for predictable manufacturing outcomes.

Thin-wheel abrasive cutting is an ideal method for high-volume 2-axis metal cutoff that requires precision, tight tolerances, no burrs, and a smooth end finish.

OD grinding is used to shape the external surface of objects between the centers and excels at removing circular defects and restoring or creating roundness.

Industry Trend No. 3: Rising labor costs overseas are one factor in the move away from outsourcing and toward reshoring of some businesses and factories.

Learn more about Metal Cutting’s certification in the ISO 9001:2015 standards and commitment to quality management practices.

Learn how best practices as well as material and design considerations have an impact on the life and effectiveness of resistance spot welding electrodes.

When a single part has multiple tolerances that conflict, the tighter, more challenging tolerance must guide production and ultimately drives the part’s cost.

Precision CNC Swiss machining is often used to produce bone screws and anchors with the features needed for a wide range of orthopedic and dental applications.

Learn more about the principles of centerless grinding and how it can be used to achieve tight tolerance surface finishes on small cylindrical metal parts.

The properties of tungsten wire are valued in the medical device industry, for use in electrocautery, electrosurgery, neural probes, and other applications.

The key to calibration tolerance is understanding both what a device is capable of doing and the tolerance to which the device has been calibrated.

Metal Cutting utilizes lapping and machining as well as other techniques to achieve flatness vs. parallelism for metal cut to length.

Incandescent bulbs made with tungsten wire filaments continue to be used in automobile turn signals despite the parallel adoption of newer LED technology.

Precision metal grinding is often the best way to remove small amounts of material and achieve the right finish or tight tolerance dimensions on part surfaces.

Learn how to prevent and detect surface flaws in the glass to metal seals used in the manufacture of a wide range of electronic products.

When choosing a resistance welding electrode for any application, a thorough understanding of material properties helps to avoid production line issues.

For intricate geometries, sharp corners, unparalleled wear resistance, excellent cutting speeds and machinability, copper tungsten is the material of choice.

Cold sawing can do high-speed, burr-free cutoff of rods, tubes, and extrusions, but it is not ideal for very short lengths, smalls ODs/IDs, or hard metals.

Precision flat lapping and other lapping techniques can be used for small parts requiring tight control of surface finish, flatness, thickness, and parallelism.

Copper tungsten electrodes combine the thermal resistivity of tungsten with copper’s resistance to DC arcing, making them a smart choice for EDM of carbides.

Thousands of resin compounds have been developed to expand the design options for tubing in medical devices. Yet, there are number of myths. Learn why plastic may not be a better choice to metal tubing in medical applications.

Industry Trend No. 1: Increased exporting and global trade has a positive impact on revenue, growth, and competitiveness, while expanding a manufacturer’s customer base.

Tungsten, on the other hand, is brittle, and its density makes it difficult to machine. The results are high tool wear rates and increased production times.

Learn about the variables to consider when choosing the best resistance welding electrode material for specific resistance spot welding applications.

As important as inspections are, 100% inspection requires time and cost without a guarantee of 100% compliance. See what a sampling plan is and how it solves this challenge.

While automation plays a growing role in precision machining, lights out operation is still more a fantasy than a reality for most small part manufacturing.

The Swiss machine has evolved and improved since the original Swiss lathe was invented, making the modern method an important part of precision CNC machining.

The process of creating a vacuum atmosphere, either repeatedly or in one-time production, is an important part of electronic component manufacturing.

Pure copper becomes nightmarishly gummy when ground or machined, and is notorious for producing burrs. In fact, the cost of deburring a copper electrode can supersede the cost of manufacturing it.

There are 5 key areas that should never be left blank when filling out your request for cutting quote. Do you know what they are?

Tungsten wire continues to be a product that has a large number of diverse applications, for many of which there is no known substitute. Find out why tungsten remains widely used.

Consider the methods used for heat treating metals, as well as the effects, when specifying your requirements for the cut-off of small metal parts.

With the eddy current testing ‬procedure, there are a number of variables that ‬have an effect on ECT, what it can find,‭ ‬and ‬what it cannot find.

For measuring and inspecting the ID of small parts tubing, pin gages or optical measurement systems help ensure that small tubing will meet specifications.

For EDM electrodes, copper tungsten offers excellent electrical conductivity, DC arcing resistance, thermal conductivity, and wear resistance.

Gold-plated tungsten wire is useful in filtration, printing, copying, and other applications, and as an alternative to precious metals in some medical devices.

For EDM electrodes, copper tungsten offers excellent electrical conductivity, DC arcing resistance, thermal conductivity, and wear resistance.

The creation of new specialty metals offers alternatives to stainless steel for components used in medical device applications.

Utilizing a controlled environment helps to minimize the effects of heat expansion and other temperature issues on the measurement of metal parts.

While laser cutting can produce a small kerf and tight tolerances, other precision cutting methods may be preferable for 2-axis cutoff of small metal parts.

Learn how better materials for resistance welding electrodes speed up your welding operation. This white paper is designed to help you make a successful electrode materials choice.

In material sourcing for the production of precision parts, avoiding non-standard material sizes can help to control costs and optimize for manufacturability.

Industry Trend No. 2: Manufacturing globalization and regionalization provide opportunities for partnership, innovation, competitive advantage, and growth.

How do you qualify a new sourcing partner and ensure an efficient and problem free experience? Considering these points will help you make a decision you can feel confident about.

How does laser cutting compare with other precision metal cutting methods? Watch this video to learn some of the pros and cons of this metal cutting method.

Surface finish requirements are among the details that are critical to creating a complete RFQ that will help to optimize for manufacturability.

It’s critical to choose a supplier you can envision working with for the long haul. Review these practical guidelines to make the right decision.

Proper electrode design and construction is essential to ensuring consistent weld quality, minimum electrode sticking, and maximum electrode life. Learn how electrode design can impact your prod line.

Unfortunately, consistent results aren’t always guaranteed. Learn what you can do to ensure calibrated measuring yields accurate results.

Specifying the magnification level and details of how a material surface must be examined helps to ensure that parts will pass inspection and meet your needs.

With a metric tolerance chart, you need to account for the upper and lower tolerance spec limits when converting between standard and metric measurements.

Custom bushings that are Swiss machined for use in catheters and other medical devices allow the devices to function at a high RPM while resisting wear.

Learn about the five major challenges to consider when choosing CNC machining services and a partner for the manufacture of complex and precise small parts.

To learn more about the advantages of copper tungsten and why you might choose it as a material for resistance welding electrodes, download our free white paper.

Wire EDM cutting advantages and disadvantages for 2-axis cutoff depend on factors including the material used, part parameters, and surface finish requirements.

Eddy current testing is an important method of nondestructive testing that is often used to inspect for flaws in the surface or sub-surface of metal materials.

Learn why resistance welding electrodes require a material with the right combination of thermal conduction, electrical resistivity, and reactivity.

In discussing the benefits of copper tungsten, we’ve focused on unique material properties and their effects on production performance. These properties include:

While honing and lapping are both used to fine-tune the finish and dimensions of metal parts, the two processes differ in where and how they achieve results.

Metal Cutting Corporation uses visual and mechanical methods of metal inspection to help ensure that small parts meet customers’ manufacturing requirements.

Small gages such as pin gages or pin plug gages are useful tools for inspecting IDs and making sure small diameter metal tubing meets specified tolerances.

Laser printing of metal is popular for a number of applications, but can you‭ ‬use it for printing of metal for‭ ‬such large quantities of such small parts?

Surface grinding services utilize precision surface grinding methods to make cubic metal parts square and parallel or the ends of metal rods perpendicular.

When measuring the perpendicularity of small metal parts, consider the effects of a part’s diameter, length, straightness, and manufacturing method.

Metal Cutting’s methods for cutting metal tubing, such as thin wall steel tubing for medical devices, are unique compared with machining and laser metal cutting.

While CNC machining can produce an array of complex, precision metal components, there are some challenges to the process you need to be aware of.

People often ask Metal Cutting Corporation if we do “metal fabrication” — and the truth is, the answer depends on how you define the term.

Waterjet cutting is typically used to cut complex shapes from large, flat sheets of metal but may not be the best choice for 2-axis cutoff of small parts.

It may be tempting to assume that a very tight tolerance should be your default choice. But, when they aren’t essential, it could increase your costs needlessly.

Learn the key parameters for choosing a method of 2-axis precision cut off of metal parts based on part type, material type, and part dimensions.

A metal surface finish chart is a handy guide to standard surface finishes and characteristics such as measurement units, conversions, and typical Ra values.

Learn why infiltration, density, and other properties of an alloy such as copper tungsten are important to  the quality of spot welding electrodes.

GD&T tolerances provide manufacturing guidance that must balance the need to make a part functional with the need to produce the part cost-effectively.

Tungsten, also known as wolfram or volfram, has a high melting point and other interesting properties that are useful in many industries and products.

Get answers to common questions about dissimilar metals regarding high and low conductivity electrodes and friction stir in the construction of an electrode.

Double disk grinding provides dimensional accuracy for metal part applications that require tight tolerances, parallelism, flatness, and thickness control.

Learn the vital components of an effective quality control program and its role in ensuring metal parts meet their requirements for design and function.

Over time, we’ve developed a special appreciation for tungsten and what it can do. Learn some interesting facts you may not have known.

Learn how potting can be used to create a tightly sealed package for electronic switching devices, such as the flat ribbon in semiconductors.

When designing a part, remember that different tolerances may require different processes, and not all processes can produce results to the same tolerance.

Along with the composition of the material, each of these factors play a unique role in the success of copper tungsten’s performance. Yet, none of them matter much if the material is impossible or costly to manufacture.

Learn how to optimize for manufacturability through a unified approach to product design and the creation of a thorough and detailed request for quote (RFQ).

Surface flatness is an indicator of all points along a surface lying in the same plane, with the highest and lowest points within the flatness tolerance range.

Adherence to ISO 9000 standards by an organization tells customers that it is committed to implementing structured quality management practices.

When polishing metal parts for 3D printed medical devices, the goal is to achieve the proper surface finishes while maintaining the device’s complex design details.

GD&T cylindricity is a three-dimensional tolerance feature used to indicate both roundness and straightness along the entire axial length of a cylindrical part.

In comparing common tungsten uses in 2007 and today, it is clear that tungsten remains one of the most widely used and beneficial of the refractory metals.

With these RFQ tips, you can not only speed up the quote process, but also ensure you get the part you want and a cost estimate that is as accurate as possible.

Learn why a small diameter metal probe requires choosing a material that is strong enough to maintain the probe’s shape, straightness, and direction.