HVOF tungsten carbide coating is used for a variety of applications and industries In conditions and environments which encounter extreme wear – the thermal spray coating is extremely effective.

Four-sided carbide inserts include diamond, rhombic, square, and rectangle shapes. Diamond-shaped carbide inserts are four-sided with two acute angles used for material removal.

Inserts are made of several different materials but commonly constructed of carbide, micro-grain carbide, ceramic, CBN, cermet, diamond PCD, cobalt, silicon nitride, and high-speed steel. The coating over the insert increases the wear resistance and life span of this cutting tool. These coatings include titanium nitride, titanium carbonitride, titanium aluminum nitride, aluminum titanium nitride, aluminum oxide, chromium nitride, zirconium nitride, and diamond DLC.

Choosing the right carbide insert is not an easy task, but if you keep all the mentioned parameters in mind, this process can be easy and convenient. Don’t hang with the insert’s brand image because it will not affect its performance. Always choose a carbide insert according to your use, whether for Milling, threading, or any other industry.

We have the capabilities and facility to perform a service for a complex range of parts. Whether the equipment is small individual components or large drums like rails and tanks. Our HVOF tungsten carbide coating involves the combustion of fuel gas and oxygen which reaches temperatures of 3,000˚C. The super-heated gas is ejected by an automated gun which we manually set ourselves.

Millinginsert types

A radius tip mill carbide insert is a straight insert with a ground radius on tips. This type of carbide insert is used on milling cutters.

People have been using carbide inserts since the late 1920s. These cutting tools are ubiquitous in the metal cutting world. Here are some of the carbide insert’s applications in the metal cutting industry. Carbides are extremely helpful for dozens of business owners, construction workers, and many other industries worldwide.

According to their shape and material used, several different types of carbide inserts are used for various purposes. These inserts are replaceable attachments for cutting tools that typically consist of the actual cutting edge. These carbide inserts include:

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Working closely with our customers over the years, we have developed our products and services to deliver the best value, most effective thermal spray coatings solution, first time, every time and with a stress-free service that suits everyone.

To match a threading operation’s surface speed on a three-inch diameter workpiece, a three-inch diameter threading cutter with four teeth must run four times the turning speed. With ceramics, the object generates a threshold of Heat per insert. Therefore, in threading operations, each insert must travel faster to generate a single point turning tool’s heat equivalent.

For Metal Spraying and Thermal Spray Coating specialists, look no further than us, Alphatek. You can call us directly on 01706 821021, or you can email us at postbox@alphatek.co.uk.

A dog bone carbide insert is a two-edged insert with a narrow mounting center and also offers a broader cutting feature at both ends. This type of carbide insert is used for grooving. It’s tips included angles that can be 35, 50, 55, 60, 75, 80, 85, 90, 108, 120, and 135 degrees.

Roughing includes a high depth of cut and feed rate combinations. This process requires the most increased edge security.

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The nose radius, RE, is a crucial factor in carbide inserts operations. Carbide Inserts are available in different sizes of nose radius. The selection depends on the depth of cut and feed and influences the surface finish, chip breaking, and insert strength.

Insertgeometry chart

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Due to advancements in technology, powder metallurgy produces extra hard sintered metals for various industries. For such industries, a powdered nickel composite alloy is made by combining tungsten and titanium carbide to achieve hardness from 53 to 60 RC.

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HVOF tungsten carbide coatings are perfect for protecting products and parts that are susceptible to wear and corrosion. Here are the benefits of applying Tungsten Carbide:

Carbide inserts are tools used to accurately machine metals, including steels, carbon, cast iron, high-temperature alloys, and other non-ferrous metals. These are replaceable and come in various styles, grades, and sizes.

Using advanced technology, the cutting surface of an insert is given a round, oval, or any other geometrical shape. Significant benefits in insert life and stability have been seen with emerging technology. It is safe to say that future technological advances will drive further development in the field, and even more substantial achievements will occur.

Beryllium Copper is also the preferred mold material in the milling industry for some segments. These metal removal rates are also as high as eight to ten times faster than machining steel. Their hardness level ranges from 10 RC to 40 RC, which is nearly double that of aluminum.

Carbideinsertidentification chart PDF

This article is for you if you want to know how to choose the correct carbide inserts. Here you’ll get to know everything about the proper carbide inserts for your cutting applications.

On the other hand, Milling can be compared to an interrupted mechanism in turning. Each carbide insert on the tool body is in and out of the cut when each cutter revolves. Compared to turning, hard Milling needs much higher spindle speeds to achieve the same surface speed for efficient working.

In this Alphatek article, we have discussed what is HVOF tungsten carbide coating, the benefits it gives machinery and parts, and which company provides this service.

There are some primary considerations on how to choose the correct carbide inserts. One of those is the cutting operation, whether turning, Milling, or drilling. Carbide is more expensive per unit than other typical tool materials, and it is more brittle, making it susceptible to chipping and breaking. To offset these problems, the carbide cutting tip itself is often in the form of a small insert for a more enormous tipped tool whose shank is made of another material, usually carbon tool steel. This benefits from using carbide at the cutting interface without the high cost and brittleness of making the complete tool out of carbide. Most modern face mills use carbide inserts and many lathe tools and endmills.

To machine Heat resistant super alloys (HRSAs), inserts’ choice depends upon the material and workpiece. Carbide inserts having positive rake geometrics can cut thin wall Heat resistant super alloys (HRSAs) stock effectively. However, thick-walled alloy parts need ceramic inserts with negative cutting edge geometry that provide smooth surface area to the workpiece.

Carbide inserts with unique geometries and coatings withstand mechanical shock and Heat while resisting abrasive wear. However, using these inserts productively can require various external factors—one of which may be a partnership with a knowledgeable tool supplier.

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Aluminum is the preferred mold material in the milling industry for some segments. These metal removal rates are as high as eight to ten times faster than machining steel.

Keeping an eye on grades is also essential when choosing carbide inserts. Always consider toughened grades because they provide edge security against the high radial cutting forces. They also offer severe entry and exist shocks when encountered in harden sheets.

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The entering angle, KAPR (or lead angle, PISR), is the angle between the cutting edge and the feed direction. It is essential to choose the correct entering/lead angle for a successful turning operation. The entering/lead angle influences:

Heat resistant super alloys (HRSAs) are extensively used in the aerospace industry and gain acceptance in the medical, automobile, power generation, and semiconductor industries. Heat resistant super alloys like Waspalloy and titanium 6Al4V are joined with titanium, magnesium, and aluminum matrix that altogether possess machining challenges.

Turning insertchart

Mainly people consider macro geometry and carbides’ physical shape when the role of geometry is discussed. Here, microgeometry is equally essential that deals with the microscopic form’s cutting edge.

Turning insertGuide

To machine sintered metals, inserts’ choice depends upon the material and workpiece. Carbide inserts having positive rake geometrics can effectively cut thin-wall sintered metals stock. However, thick-walled sintered metal parts need ceramic inserts with negative cutting edge geometry that provide smooth flat surface area to the workpiece.

Triangle or Trigon carbide inserts have a triangular shape with three equal sides and three tips with angles of 60 degrees. They are three-cornered inserts that resemble a triangle but with a modified form like bowed sides or medium-sized angles that include grades at the tips.

Milling aluminum requires C2 carbide grade inserts for rough and C3 grade for finishing. Only general grade carbide inserts grades with a medium grain with excellent wear resistance for roughing and finishing applications where sharp edges are required.

High-Velocity Oxygen Fuel (HVOF) tungsten carbide coating is a thermal spray process in which fuel and oxygen are mixed, fed into a combustion chamber, and ignited. The gas produced in the combustion chamber has an extremely high temperature and pressure and is ejected through a nozzle at supersonic speeds.

In today’s world, carbide coated with carbide, cermet, cubic boron nitride (CBN), and polycrystalline diamond (PCD) inserts play a vital role.

Other than the shapes, carbide inserts are also differentiated by their tip angles. Here are some carbide inserts with different tip angles:

Carbide inserts are used at high speeds that enable faster machining, ultimately resulting in better finishing. Choosing a correct carbide insert is vital because it can risk damaging the insets, machine, and cutting product.

Carbide inserts, mainly tungsten and cobalt, start in powder form. Then in the mill, the dry raw material is mixed with a combination of ethanol and water. This mixture results in a gray slurry solution with a consistency like a yogurt drink. This mixture is dried and then sent to a laboratory for a quality check. This powder comprises agglomerates, small balls of 20 to 200 microns diameter, and then transported to pressing machines where inserts are made.

The geometry of an insert is an essential aspect because it deals with the shape of chip control. Different shapes and angles provide optimal results in breaking chips, depending upon their material and application.

These alloys are super hard, and they need higher cutting zone temperatures greater than 2,000°F. If we talk about carbide inserts used to cut these alloys, these are even super hard.

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Tungsten carbide inserts are also used in the nuclear science industry as effective neutron reflectors. This material was also used during early investigations in nuclear chain reactions, especially for weapons protection.

Rhombic or parallelogram-shaped carbide inserts are also four-sided, with an angle on the sides for cutting point clearance.

For instance, aerospace machining uses carbide inserts. They used round carbide inserts when they want to machine hard steels. This is how profile provides a more robust tool without vulnerable sharp corners.

Carbide inserts geometry can be divided into three basic styles optimized for several operations, including roughing, finishing, and medium. Here are some diagrams that will explain each geometrical shape’s working area, based on geometrical chip breaking with the depth of cut.

The industry of cutting tools has expanded ten-fold in the last few years. Among hundreds of options, it is hard to choose the right tool. Selecting a tool that can produce low cutting forces with a good surface finish and the smooth cutting action is complex.

Carbide inserts, mainly tungsten and cobalt, start in powder form. Then in the mill, the dry raw material is mixed with a combination of ethanol and water. This mixture results in a gray slurry solution with a consistency like a yogurt drink. This mixture is dried and then sent to a laboratory for a quality check. This powder comprises agglomerates, small balls of 20 to 200 microns diameter, and then transported to pressing machines where inserts are made with different grades.

At Alphatek, HVOF tungsten carbide thermal spray coating is one of, if not, our most frequent thermal sprays that are applied for wear-resistant surface treatments.

HVOF tungsten carbide coating is a commonly used coating material used in a variety of industries for numerous amounts of products.

We have an unparalleled experience. Here at Alphatek, we have a combined 100+ years of cumulative coating expertise in house.

Square-shaped carbide inserts have four equal sides. On the other hand, Rectangular carbide inserts have four sides. Two of the sides are longer than the other two. These types of carbide inserts are used for grooving purposes where the short sides of inserts have the actual cutting edge.

Carbide inserts are widely used in the jewelry-making industry. They are used for both jewelry shaping and in the jewelry itself. Tungsten material falls behind the diamond on the hardness scale, and it is an excellent material used in making wedding rings and other jewelry pieces.

Tungsten carbide is typically found as a fine grey powder. When combined with a small portion of metallic powder it can be turned into carbide coatings known for strong resistance to abrasion, erosion, and wear.

Turning is an almost flawless process for ceramics. In general, it is a continuous machining mechanism that allows a single carbide insert to be engaged in the cut for a longer time. This is an excellent tool to generate the high temperatures that make ceramic inserts perform optimally.

A ball nose mill carbide insert has a ‘hemispheric’ ball nose whose radius is half than the cutter diameter. This carbide insert helps machine female semicircles, grooves, or radii.

Carbide inserts are used in making different materials like steel alloys. These steel alloys are becoming harder in many applications. This steel hardens to 63 RC are commonly used in the dye and mold industry.

Moreover, jewelers rely on efficient tools to work on the expensive pieces, and carbide and tungsten inserts are one of them.

The suitable carbide insert for specific machining operations helps to stay ahead in competition among the cutting tools industry.

The tools cutting industry has drastically changed, and these changes can be seen in inserts for Milling and turning the inappropriate materials. This section highlights that how carbide inserts change the inappropriate materials.

Most of the machining performance on molds and dies focuses on common mold materials in the milling industry. Only top form geometrics are different from one another. Here are some mold materials that are preferable in the milling industry ,Below is HUANA Milling Inserts Order number and introduction

Like other industries, carbide inserts are also used in the milling industry. They solve every conceivable application problem. These carbide inserts include ball nose carbide inserts, high feed carbide inserts, toroid carbide inserts, backdraft carbide inserts, and flat bottom carbide inserts. All these carbide inserts solve specific problems in the milling industry.

The carbide particles and the nickel alloy matrix reach up to 90 RC. When milling such materials, the carbide inserts coated with different materials suffer rapid flank wear with flat primary cutting edges. However, the extra hard particles within the insert create ‘microchatter’ that speeds up the insert wear. It would help if you were careful because sometimes carbide inserts also fracture under the sheer pressure of machining the hard shock.

Carbide inserts are also used in the threading industry. High-quality lay-down triangular carbide inserts provide a solution for most threading industry needs. These carbide inserts manage a wide range of applications, from essential to complex ones.

In recent times, aluminum manufacturers have developed better high-strength materials with hardness characteristics ranging from 157 to 167 Brinell. It is hard to machine very smooth surfaces on aluminum, so polishing becomes a critical operation in the final process.

CNCturninginserts

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Some specially formulated high-temperature grades withstand the heat generation when steel hardens to 60 RC. On the other hand, shock-resistant carbide inserts with an aluminum oxide coating counter the high temperatures generated by milling hard steels.

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To meet the surface speed of a turning mechanism on a three-inch diameter workpiece, a three-inch diameter milling cutter with four teeth must run four times the turning speed. With ceramics, the object generates a threshold of Heat per insert. Therefore, each insert must travel faster to generate a single point turning tool’s heat equivalent in milling operations.

On the other hand, Milling can be compared to interrupted machining in turning. Each carbide insert on the tool body is in and out of the cut during each cutter revolution. If compared to turning, hard Milling needs much higher spindle speeds to achieve the same surface speed

Jul 1, 2014 — The cutting speed of a tool is expressed in surface feet per minute (sfm) or surface meters per minute (m/min.).

The medical industry is the most common industry for the use of carbides. However, the base of the tool itself is crafted with titanium or stainless steel, and the tip of the tool is made of tungsten carbide.

Turning is an almost flawless operation for ceramics. Commonly, it is a continuous machining process that allows a single insert to be engaged in the cut for relatively long periods. This is an excellent tool to generate the high temperatures that make ceramic inserts perform optimally.

Mold makers used to cut the parts before heat treating but now precision machining tools are used in the fully hardened condition to avoid any heat treating distortion. With this technique, even fully hardened materials can be machined economically with the carbide inserts.

In the medical profession, doctors and surgeons rely on accurate and durable tools for all kinds of medical procedures and insert carbides are one of them.

Because of the coatings proven ability to save costs across the entire production process whilst being highly effective, it is a widely popular product.

To engage the surface speed of a turning mechanism on a three-inch diameter workpiece, a three-inch diameter milling cutter with three teeth must run with a minimum of four times the turning rate. With ceramics, the object generates a potential of Heat for each carbide insert. Therefore, in milling operations, each carbide insert must travel faster to generate a single point turning tool’s heat equivalent.

HVOF tungsten carbide coating is used for industries such as; steel and metal production, print and paper, railway manufacturing, automotive and glass manufacturing.