Tungsten Carbide Inserts,Cutting Tools,PVD Coating

End Mill Milling Highlights Five Axis Capability

Machining worn end mills on the show floor might seem like a promotion fit for a tool grinding company, but Kern Precision does not specialize in tool grinders. CNC Carbide Inserts Rather, its focus is high-precision five-axis machines like the company’s Micro HD, which cuts materials that might otherwise be deemed ill-suited for machining – namely, sintered carbide and ceramics. To prove the point, the company invites visitors to bring in their own tools to use as “workpieces” for a contour-cutting demo.

Although this demonstration focuses on two relatively slim diameters – ¾” and 20-mm end mills – Shoulder Milling Inserts Kern’s ambitions for its new machine are anything but small. Linear motors and micro-gap hydrostatics (claimed to be a unique combination for a “true” five-axis machine), as well as fundamentals like thermal stability, dynamic acceleration and stick-slip-free motion, offer the possibility to replace other, more time-consuming processes.

One application where the Micro HD improves upon older, slower processes is the machining of punches for cutting inserts and medical tablets that were once produced via EDM. Another is cutting threads to an accuracy of less than 1 um in relatively brittle, 40%-silicon aluminum alloy for space telescope components.

The http://arthuredwi.mee.nu/ Blog: http://arthuredwi.mee.nu/

How AM Is Advancing into Cutting Tools： Photos from EMO

The biennial EMO exposition in Hannover, Germany, is the largest trade show in the world for machine tools and other industrial metalworking equipment. I recently posted this report from this year’s show. One of the developments I observed was an increasing role for additive manufacturing (AM). While I expected to see AM on exhibit in the area of the show dedicated to this category, what surprised me is how much of it I found in an entirely different part of the show: the area devoted to cutting tools.

Because of the design freedoms related to both fluid delivery and reducing the mass of the tool, the makers of metalworking tooling for “subtractive” machining processes are increasingly turning to AM. The photos below capture a few examples I saw of metalworking Lathe Carbide Inserts tools made Cemented Carbide Insert additively.

The Cutting Carbide Inserts Blog: https://cuttinginserts.bloggersdelight.dk

Max Out Cutting Tool Utilization with Micro Milling Inserts

Consider how many times you’ve seen someone take 0.100" or less with a tool/insert that’s capable of much more. Bottom line: The most popular 90-degree indexable insert sizes are capable of approximately a ½" depth of cut. If you’re consistently using 0.100" of 0.500", you’re underutilizing roughly 80 percent of what you paid for.

Iscar has recently introduced nano- and micro-size indexable inserts and can now produce a 0.312" diameter, with two flutes, capable of taking a 1/8" depth of cut.

Spindle output characteristics, such as horsepower, torque and speed, are important aspects for optimizing cutting tool utilization, Iscar says. It is not CNMG Insert uncommon for stations to perform 10,000 rpm and upwards of 5 horsepower in a short time period, and although the capability of rotary/driven spindles continues to improve, most will be better suited for utilizing smaller-diameter cutting tools. It is also important to note that the part U Drill Inserts features typically machined in this environment are relatively small…READ MORE.

The http://jimadelaid.insanejournal.com/ Blog: http://jimadelaid.insanejournal.com/

Walter Cermet Turning Inserts Boost Stability

Indexable cermet turning inserts from Walter specialize in applications requiring a soft cut and high precision. The inserts achieve this balance of performance through FP2 geometry, which is a high positive (18-degree) rake angle geometry with soft hone that reduces cutting forces and vibration tendency. The inserts also extend tool life through WEP10C-coated cermet grade with multilayer TiCN TiAlN PVD coating and fine cermet micro grain. Walter says this combination of edge preparation and grade promotes dimensional stability over long periods of time, boosting productivity in mass production.

Walter’s FP2 geometry uses “minus tolerance” or “maximum corner radius” Threading Inserts tolerance to present what the company says is a stronger corner radius than a standard ISO/ANSI corner radius. For example, machining a shoulder with a 0.0157" corner radius usually requires an ANSI-0.5 corner radius (0.0078"). With the FP2 geometry, however, machinists can use a 1M tolerance (equivalent of ANSI 0.0157" but 0.0146"+/-0.0008" tolerance corner radius). In addition to machining the same feature, the FP2’s corner radius also boosts tool life and surface finish. Walter recommends WEP10C cermet inserts for finishing thin-walled components, components with small diameters, APMT Insert long components and components with unstable clamping, as well as for fine boring applications.

The DNMG Insert Blog: https://dnmginsert.bloggersdelight.dk

New Turning Process Can Drastically Cut Cycle Times

If you could take a high-volume turning application and double the output, would you be willing to change your process? That’s a no-brainer for most shops, but what would you have to do?

Sandvik Coromant says they have an answer with their new PrimeTurning process, which they say can reduce cycle times by 50 percent or more in the right turning applications. The key is the ability to WNMG Insert feed the turning tool in any direction: toward or away from the chuck in turning operations, and up or down in facing operations. A very low lead angle on the insert allows you to take much more aggressive cuts. And the ability to feed away from shoulders eliminates the chip-jamming Tungsten Carbide Inserts problems typical of conventional turning. In applications in which you are removing a lot of material in well-supported parts, this “all-directional-turning” process results in massive improvements in turning productivity,  with better tool life and surface finish in the bargain.

Don’t believe it? See more on the PrimeTurning process here, including videos of several different turning scenarios.

The CNC Carbide Inserts Blog: https://carbiderods.blog.ss-blog.jp/