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Thermal shock resistance is important to consider when choosing a cermet, especially if interrupted cuts and coolant are aspects of the machining process. Cermets tend to be more shock resistant than ceramics, but less so than carbides. In the past, coolant was recommended only when grooving, threading or finish turning, and then only with coated cermets. The newer micrograin cermets have much better thermal shock resistance than previous cermets, thereby allowing the use of coolant when necessary for a wide range of applications.

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Correct alignment lock selection can reduce maintenance costs and molding downtime, as well as increase part quality over the mold’s entire life.

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Discover how to enhance your mold design process with CAD/CAM software specifically tailored for the moldmaking industry. In part two of this webinar series, Cimatron will demonstrate how to intelligently design mold components, such as slides and lifters, using powerful CAD/CAM tools to accelerate the design process. Additionally, it will cover how to avoid errors and ensure design accuracy for ejector pins by checking clearance distances, calculating cutoff heights correctly, and thoroughly documenting all ejector components. Agenda: Slides Lifters Inserts Ejection pins and charts

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What is a cermetvs ceramic

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In today's cost conscious moldmaking industry, cermets have proved to be a valuable addition to the machinist's tooling selection.

While Grade 2 Titanium is not as strong as Grade 5, it is lightweight and offers outstanding corrosion resistance overall, in addition to great formability.

Identifying specific areas where CAM software can utilize machine capabilities to benefit the user and maximize milling machine potential.

Since the 1920s, cermets have been an integral part of the metalworking industry. However, in the past few years they have enjoyed a surge in popularity, thanks to new technology, which has expanded possible cermet applications. Traditionally used just for semifinishing to finishing operations, newer cermets have increased toughness that makes them comparable to some carbides, while their good shock resistance promotes good performance for some interrupted cuts. Origins

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This increased cermet toughness. A few years later, the addition of metal carbonitrides contributed to improved wear resistance, thermal shock resistance and decreased plastic deformation. In 2003, new micrograin cermet grades were introduced, including a PVD-coated super micrograin cermet whose coating provides greater thermal stability and the ability to handle higher cutting speeds. The micrograin structure of these cermets contributes to a doubling in the bending strength, while the fracture toughness remains comparable to other cermets. This new generation of cermets also is capable of handling interrupted cutting operations that before weren't feasible.

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When CNC machining titanium, low cutting speeds are recommended. Tool tip temperatures can be easily increased by higher cutting speeds, which can compromise tools. Other related factors include sharp tools regularly replaced at the first sign of wear, feed rates high enough to prevent work hardening and the generous use of coolant.

Traditionally, ideal applications for cermets have included finishing and semifinishing at higher speeds, lower feeds and cutting depths. Although turning on CNC lathes is the most common cermet application, Swiss-type machining is also ideal for cermets, since they hold their size and maintain tight tolerances.

Cermetcomposition

Titanium is very similar to most grades of stainless steel in terms of overall appearance. Titanium can be media blasted or tumbled to achieve a multitude of surface finishes. Additionally, a light, protective, coating may be applied using passivation.

In ISO 9001 quality management systems, the Management Representative (MR) plays a crucial role. While the 2015 version of ISO 9001 no longer mandates this position, having a trusted management member serve as an MR remains vital for streamlining operations and maintaining quality standards.

Characteristics of cermets include high wear resistance, low reactivity with most workpieces and long tool life. They produce excellent surface finishes, and maintain tight tolerances over their life span. Higher cutting speeds may be used with cermets, especially for semifinishing to finishing operations, because of their high wear resistance.

High speed steel (HSS) drills are excellent for Titanium so long as it is sharp, but carbide tipped drills still provide the best results and deep hole drilling. Because titanium is not a great conductor of heat, much of the heat goes into cutting tools, highlighting the need for sharp and well-maintained tools.

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It is not mandatory to use coolant when machining with cermets; however, coolant is generally applied for three reasons: cooling, lubrication and chip evacuation. Due to their good wear resistance, welding resistance and high hot hardness, cermets provide excellent surface finishes even when dry machining. In addition, numerous different chipbreakers promote smooth chip evacuation without the use of coolant. Chipbreakers are the molded or ground patterns on an insert that break up the chips formed by the machining process into manageable pieces. Long chips can damage the workpiece, or be dangerous to the operator.

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Identifying specific areas where CAM software can utilize machine capabilities to benefit the user and maximize milling machine potential.

Discover how to enhance your mold design process with the right CAD/CAM tool for parting and cavity design. This webinar will explore CAD/CAM capabilities including how hybrid solid/surface modeling can streamline workflow and improve accuracy. Learn how to confidently tackle parting, runoff, and shutoff, ensuring precision and efficiency in your designs. Agenda: Part analysis QuickSplit techniques Parting and runoff strategies Shutoff solutions

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When used for conformal cooling in plastic injection, 3D printing opens a wide range of design freedom. This design freedom enables designers to develop highly-efficient thermal regulation networks. However, this blessing also comes at the expense of not only higher manufacturing cost but also higher design cost as the designer could spend weeks to develop optimal cooling channels. This webinar will explore strategies and tools — including SimForm, a front-end thermal simulation app — to help tool designers and tooling managers maximize the benefits of 3D printing while minimizing manufacturing and design costs. Agenda: 3D printing applied to the plastic injection industry 3D printing pros and cons Tools and methods to facilitate the integration of 3D printing

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What is a cermetvs tungsten carbide

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Each year Products Finishing partners with thousands of finishing operations in the U.S. to celebrate National Surface Finishing Day (NSFD) on the first Wednesday in March. NSFD is designed to celebrate and showcase the industry to trade schools, businesses, officials and media, as well as to celebrate employees and staff. The overarching goal of NSFD is to bring further awareness to the important roles plating and coating facilities play in their communities. Facilities are encouraged to host events and work with local media to build awareness about the contributions made by the surface finishing industry. For a helpful guide to reaching out to media outlets, download the NSFD toolkit here. How can you celebrate? Share your company’s story Hold an open house where the public can check out your facility –— either in person or virtual Offer student shop tours to local trade schools Invite local elected officials to visit and get to know your staff Celebrate your employees Share news about what you’re doing on social media and use the hashtag #NationalSurfaceFinishingDay or #NSFD

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Bending strength is determined by subjecting a material sample to an increasing load until failure. Traditional cermets tend to have a lower bending strength than carbides. To prevent cermet breakage, feedrates are usually lowered. However, the new generation of micrograin cermets features bending strength equal to that of carbide, and twice that of other cermets. Therefore, machining efficiency is improved as the feedrate is increased.

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While the transition from traditional methods to this innovative approach may present initial challenges, the benefits far outweigh the learning curve. Through the NextMold and partner network, Forward AM provides comprehensive support at every stage of the integration process. This ensures a smooth adoption of the technology into company’s operations, including seamless collaboration with molding companies. Forward AM’s commitment is to facilitate this technological transformation, enabling your business to leverage the full potential of 3D-printed mold inserts. Agenda: Molding with 3D-printed inserts Ultrasim3D Next Mold: Forward AM offering Successful adaption: integration at Beaumont Technologies

Grooving and threading applications also are compatible. Cermets also may be considered for finishing milling operations, and they offer better finishes and dimensional control than carbides. Significant tool cost reduction may be achieved when milling with cermets as they can run at higher cutting speeds than carbides, and their tool life is longer. In some cases, they can eliminate grinding or polishing operations. In addition, the new generation of micrograin cermets can also handle interrupted cuts when turning due to their superior toughness. When specifically pertaining to the mold industry, cermets are used in milling molds and dies for applications like vehicle transmission pieces, brake drums and rotors, rear differential housing, body panel molds, etc.

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What is a cermetused for

Some of the factors that can make CNC machining titanium difficult are: Poor Thermal Conductivity - cutting tools end up taking the burden of heat generation. “Sticky” or “Gummy” Properties - can lead to problems with long “stringy” chips as well as creating built-up edge. Low Modulus of Elasticity - leads to spring back and chatter while machining. High Work Hardening Tendency - further increases difficulty of machining.

Cermetuses

Less expensive than coated carbides, and equipped with a long tool life, cermets provide a cost-efficient solution to many machining applications

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Grade 4 titanium is generally considered the strongest pure titanium, although the least moldable. It also has excellent corrosion resistance and outstanding ductility. Titanium is also lighter weight than some steels, such as stainless, due to its low density.

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Cermets are best for machining steels, cast irons, cast steels and aluminum. Their resistance to edge buildup allows them to be used for certain high-speed machining operations such as the ones listed previously. They also are not prone to flank and crater wear and the newer grades work in some 300 or 400 series mild stainless steels.

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Cermets' high wear resistance is contributed in part by their high hot hardness, which is greater than most cemented carbides. Cermets also feature low reactivity, as they are more chemically inert than tungsten carbide. The low affinity to the workpiece means that edge buildup and cratering are not significant for cermets, as with carbides.

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The word cermet is derived from the terms ceramic and metal. A cermet is a hard material based on titanium carbide or titanium carbonitride cemented with a metal binder. The first series of cermets developed in the late 1920s were based on titanium carbide/molybdenum carbide with a nickel binder, and were characterized by low bending strength and high brittleness. However, in the 1960s improvements were made with the addition of molybdenum to the binder.

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This webinar will provide an overview of new developments in hot runners, controllers, mold components, predesigned molds, process monitoring and mold maintenance equipment. These advancements are designed with the goals of lowering scrap rates, optimizing process temperatures and managing energy consumption. The solutions also aim to support productivity and may contribute to extending the operational lifespan of tooling equipment. Agenda: Innovative undercut and thread-forming components Predesign mold bases and plate control Melt delivery and control solutions Process monitoring and maintenance

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Titanium Grade 5 is the strongest titanium alloy with good corrosion resistance and the ability to be welded. Titanium may be selected over other materials such as steel due to its ability to withstand high and subzero temperatures. Common use cases include aerospace fasteners, turbine blades, engine components, sports equipment and marine applications.