November 27, 2023

Can a CNC M Code Accelerate Laser Calibration?

Lyndex-Nikkens shrink fit toolholders are designed for optimum accuracy, rigidity and balance. The solid construction minimizes unbalance variations when changing cutting tools, the company says.

Used RCGT Insert in combination with a shrink fit unit, the toolholders rapidly heat up to expand the inside diameter of the holder. As the holder cools, thermal contraction exerts a uniform pressure that shrinks the diameter around the tool for uniform gripping. Cemented Carbide Inserts This process not only ensures accuracy, the company says, but it also allows for tool changes of less than 30 seconds. The separate shrink fit unit employs a direct, liquid-cooling method that quickly and safely cools tools, the company says.

The symmetrical, shrink fit holders are pre-balanced (to G2.5 at 40,000 rpm on all HSK32E/40E holders, to G2.5 at 20,000 rpm on all #40 taper/HSK63 holders and to G2.5 at 15,000 rpm on all #50 taper/HSK100 holders). According to the company, most of these holders can be balanced with the use of an optional balancing kit. The complete line is offered in both inch and metric sizes.


The Cemented Carbide Blog: http://arthuryves.mee.nu/

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November 22, 2023

Tungaloy Upgrades DrillMeister DMP Drill Heads

Fullerton Tool Co. (Saginaw, Michigan), a manufacturer of solid carbide cutting tools, has announced a new strategic partnership with Inovatools, a tool manufacturer headquartered in Bavaria, Germany. Creating a strategic partnership with Inovatools is expected to enable Fullerton to expand its current product offering by incorporating a range of high-performance VHM drills from Inovatools. The partnership will also expand Fullerton’s available diamond-coated end mills and modular milling systems with products from Inovatools.

"We have the perfect partner in Inovatools,” says Justin Verburg, Fullerton’s national sales manager. "We both have a shared focus on the importance of quality, tool expertise, CNC Carbide Tool Insert service, on-time delivery and reliability. I am confident that together we will be able to expand market growth in North America as well as help Cemented Carbide Inserts customers boost productivity, optimize quality and increase profits.”


The Cemented Carbide Blog: TNGG Insert

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November 21, 2023

Milling Tools Get Update for Machining Deep Pockets in Titanium

Sandvik Coromant is releasing two series of ceramic end mills for optimal performance in nickel-based alloys: The CoroMill 316 and the CoroMill Plura. RCGT Insert These brazed ceramic end mills are said to offer a more productive means of roughing ISO S materials compared to carbide milling cutters.

These end mills share the CC6060 grade designed for nickel alloy machining. The negative geometry provides a tough cutting edge. The six-flute geometry enables highly productive side milling operations, while the four-flute geometry eases face milling, according to the company. The choice between the two depends on machine conditions and the application. Those seeking solutions for difficult-to-reach applications or the extra flexibility of the exchangeable-head system can opt for the Carbide Threading Inserts CoroMill 316, while those requiring better stability are advised to select the CoroMill Plura.

According to Sandvik Coromant, ceramic tools retain their hardness at the high temperatures associated with milling heat-resistant superalloys (HRSAs). As a result, 20 to 30 times the speed can be achieved in comparison to solid-carbide tools, delivering considerable potential for increased productivity. A stable setup is advised without the use of coolant, as coolant would simply burn at such high temperatures.

Beyond shoulder milling and face milling, the new end mills can also be used for pocket milling, helical interpolation, ramping and slot milling. 


The Cemented Carbide Blog: Milling Inserts

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November 20, 2023

Latest Software Version Features Multi Axis, Mill Turn Advancements

U.S. cutting tool consumption totaled $168.2 million in December, according to the U.S. Cutting Tool Institute (USCTI) and AMT—The Carbide Drilling Inserts Association For Manufacturing Technology. This total, as reported by companies participating in the Cutting Tool Market Report Thread Cutting Insert (CTMR) collaboration, was up 7.2 percent from November’s total and up 20.3 percent from December 2013.

"The 2014 calendar year closed with a flurry, and the overall growth in the cutting tool industry reporting was 5.0 percent year over year,” says Tom Haag, president of USCTI. "This is an indication that our market is steady and strong despite some volatility in the monthly statistics this past calendar year. December was a reflection on the auto industry perpetuating its strong growth, while aerospace markets continue to work on an enormous backlog. The December sales closed a year with a strong message that manufacturing is still driving growth in our economy.”


The Cemented Carbide Blog: CNC Carbide Inserts

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November 16, 2023

5 Smart Drilling Lessons Apply Beyond the Application

Walter USA LLC has introduced the Xtra·Tec XT M5468 round insert milling cutter, a universal system for copy, face, ramping, pocket and circular interpolation milling. According to Walter, the Xtra·Tec XT M5468 is suitable for steel, stainless steel, cast iron, non-ferrous material with difficult cutting properties and hard machining. The company claims it is ideal for copy milling with minimal material removal.

The Xtra·Tec XT M5468 provides protection against twisting and cutting-edge rotation due to the eight facets on its indexable inserts. The indexable inserts Carbide Turning Inserts reportedly support optimum cutting data and promote long tool life and maximum process stability. This oversized milling cutter, which handles machining operations on deep shoulders, is adaptable to various machining operations due to its variety of indexable insert sizes and geometries. Its cylindrical modular interface enables use in existing adapter systems.

Walter says the Xtra·Tec XT M5468 also accommodates ScrewFit, Weldon shank and shell mill mount interfaces. Its universal adaptability is claimed to promote lower tool costs and reduce time and labor, and the Tiger·tec cutting tool materials and higher number of teeth are cost effective. Available insert variants are fully sintered and fully ground circumference. Diameters range from 1-4" (20-100 mm), and there are two pitches for different RCMX Insert applications. Areas of use include die and mold, general metalworking and the energy industry, among others.


The Cemented Carbide Blog: Carbide Inserts

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November 13, 2023

Tungaloy CBN Inserts for Threading Hardened Parts

Tungaloy Corp. introduces the TetraMini-Cut, designed to provide SNGX Insert high-precision and quality in grooving and threading of small parts. Its ground insert, with four corners, is well-suited for high-precision and high-quality machining of small parts. The insert pocket protects unused corners from chip damage during machining, enabling the use of every corner of each insert, the company says. A clamping system improves rigidity and repeatability. It is also capable of undercutting and finishing a flange wall, while simultaneously grooving on the shaft along the flange wall. The insert screw can be tightened either from the front or the back of the toolholder, which is designed to simplify the operation when mounted in a Swiss lathe.

Grooving inserts with widths ranging from 0.013" to 0.118" (0.33 to 3.00 mm) are available in SH725, a versatile PVD coating. Threading inserts with pitches ranging from Carbide Turning Inserts 0.031" to 0.118" (0.8 to 3.0 mm) are available in AH725, the company’s PVD grade for a variety of materials including steel, stainless steel, cast iron and heat-resistant alloys. 


The Cemented Carbide Blog: Cutting Carbide Inserts

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November 08, 2023

VMCs Designed for Heavy, Fast Cutting

Hwacheon Machinery America’s Hi-M G1 vertical machining DCMT Insert center offers quick and precise performance, making it ideal for dry cutting graphite electrode material in die/mold work. Other applications of the VMC include high-precision graphite machining for automotive parts. The rigid structure, with a design based on 3D/FEM analysis and wide LM guides for the X, Y and Z axes ensures accuracy.

For high-speed operation, the 24,000-rpm spindle is integrated with a high-power motor. Vibration, noise and power loss are minimized during high-speed rotation because it has no parts that transfer power between the motor and spindle. In addition, a bearing grease lubrication system and synchronous temperature control decrease the influence of external temperature variation and improve smoothness.

The VMC has a dustproof and waterproof spindle and an advanced dust reduction system. The Cutting Tool Carbide Inserts sealed roof design collects the fine dust generated during machining. A dustproof air curtain system prevents dust inflow into each axis. The dust collector operates with 5 hp air volume. The door’s design eases cleaning.

The user-friendly Siemens-828D Controller provides flexible, interactive programming, as well as controls that enable high productivity.

Specifications include a spindle coolant system, an HSK–E40 spindle taper, a 29.52" × 23.62" table with an 881.84-lb load capacity and an automatic toolchanger with a 16-tool capacity.


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November 01, 2023

How to Mitigate Chatter to Boost Machining Rates

Doosan has expanded its range of Puma GT turning centers with four new models: the GT2600, GT2600M, GT2600L and GT2600LM. The chuck size is 10" (optionally 12") tungsten carbide inserts with a maximum swing over bed of 24.8" and swing over saddle of 18.1". Maximum turning length is 25.9" on the GT2600 and 24" on the GT2600M, while the long-bed GT2600L and GT2600LM versions offer maximum lengths of 42.4" and 40.6", respectively. To ease loading, the Puma GT2600’s distance from front cover to spindle center has been reduced from 17.2" to 15.3". The maximum bar working diameter is 3.2" on all four models.

Box guideways are applied to all axes to increase damping and rigidity for making deep cuts. The Puma GT’s 30-degree, single-piece slant bed design reduces the center of gravity of both the spindle and cross-slide, minimizing thermal growth. Rapid travel rates are 945 ipm on the X axis and 1,181 ipm on the Z axis.

The Puma GT2600’s 0.15-sec. turret Carbide Aluminum Inserts indexing times come from a servo-driven non-lifting design and high-torque motor. This design is said to be faster and also more reliable, with fewer moving parts. The turret offers 12 tool stations.

The Puma GT2600M and GT2600LM feature a BMT55P top plate that secures each tool with four bolts and keys for efficient machining performance and uses a high-precision internal drive system. Rotary tool speed is 5,000 rpm with a 7.5-hp rotary tool motor.

Doosan’s EZ Guide i conversational programming system is included in the control, providing menu-driven functions for roughing, finishing, grooving, threading, peck drilling and more.


The Cemented Carbide Blog: carbide round insert

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