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3-in-1 Orbital Thread Milling Cutters For New Thread Sizes

3-in-1 orbital thread milling cutters for new thread sizes

Walter expands its Thrill·tec TC645 Supreme range

Following the successful introduction of the Thrill·tec TC645 Supreme orbital drill/thread mills for dimensions from M4 to M12 in 2023, Walter is now expanding its range to cover additional metric dimensions from M14 to M20 as well as their imperial equivalents. These boast the same technical properties as the established versions – most importantly the ability to carry out drilling, chamfering and thread milling with just one tool. But for the first time, users are now also able to benefit from the exceptional efficiency of this 3-in-1 function for larger thread dimensions too. For instance, the longer paths of the machining program, which are common for large components, now only have to be traveled once instead of three times. This reduces non-productive time by two thirds.

Like all Thrill·tec orbital drill/thread mills, the new versions are also ultra rigid, suitable for universal use in all ISO materials P, M, K, N and S up to 48 HRC and boast integrated internal coolant. This enables reliable chip removal, especially with a high feed per tooth, extends tool life and ensures that blind holes and through holes are machined with both precision and process reliability. The combination of short machining times and long tool life reduces the cost per thread and means that the tools provide benefits both for mass producers and for users with smaller batch sizes. Walter offers special dimensions for delivery with a reduced delivery time of three weeks via its Walter Xpress service. In addition to the versatility, this means that users from a wide range of industries, such as mechanical engineering, aerospace or automotive construction, can also benefit from the rapid availability of the tools.

EMUGE: Quick Tool Change At The Touch Of A Button

EMUGE: Quick Tool Change At The Touch Of A Button

The tap holder EMUGE Softsynchro SnapLock allows a quick and keyless change of the threading tool directly in the machining centre without removing the holder. Ideal for limited magazine space and frequent tool changes.

Pressing the locking button releases the threading tool. The next tool can be inserted quickly and without tools. The tool only requires a circular groove in the shank, which ensures a secure hold through positive-locking clamping and which EMUGE can place into the required threading tools.

The slim SnapLock holder complements the family of Softsynchro holders as a quick-change version and is available in two versions. They differ in their length adjustment, which is integrated in the SnapLock L version and simplifies tool presetting. The length of the holder with the tool can be varied up to 3 mm.

In both versions the well proven Softsynchro minimum length compensation is integrated, which transmits the torque separately from the undesired axial force and thus compensates for axial errors in thread production in the best possible way. Both versions are also designed for internal coolant supply up to 50 bar and have an integrated seal on the tool shank.

The quick-change holder allows the use with threading tools from M4.5 to M12 and is available for common machine connections.

 

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Stability Across A Broad Spectrum

Stability Across A Broad Spectrum

Producing threads in hardened steel is costly. This applies to blind hole machining in particular because reversing the tap during this process can cause torque peaks when the root of the chip is sheared off, resulting in fractures.

Walter is solving this problem with two new taps – offering its customers a full product range for producing threads in hardened steels with an additional thread milling cutter: The TC388 Supreme (50–58 HRC) or TC389 Supreme (55–65 HRC) and the TC685 Supreme (> 44 HRC). The TC388 and TC389 Supreme solid carbide taps boast special cutting geometries. These fully shear off the root of the chip when reversing; torque peaks are minimised. This prevents fractures, prolongs the tool life and increases process reliability. Lubrication with oil, which was often necessary until now, is no longer required. Instead, emulsion can be used, which optimises handling and saves additional machining time. Both taps are characterised by a short machining time.

The TC685 Supreme orbital drill thread milling cutter enables maximum process reliability and the highest possible tool life quantity. The core hole and thread (chamfer if required) are produced in a single operation, thereby saving tool spaces. The milling geometry on the face produces stabilising forces in the axial direction. This improves the stability when milling and reduces the deflection. Advantages for the user: Fewer radius corrections and reduced wear, with a high tool life quantity and minimal costs per thread. The 15° helix angle and internal coolant from M6 guarantee reliable chip evacuation. This allows even tougher steels and deep threads to be machined reliably. Common applications for all the tools mentioned include mould and die making, for example.

 

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Threading With Maximum Productivity And Process Reliability

Threading With Maximum Productivity And Process Reliability

Walter AG is releasing the new TC620 Supreme thread milling cutter in diameters up to M20.

High cutting pressure and tool deflection are the greatest challenges when it comes to thread milling. This results in restricted cutting parameters, necessary cutting passes and short tool lives or even tool breakage. With the TC620 Supreme universal thread milling cutter, Walter is now transferring the functional principle of its T2711 indexable insert thread milling cutter to smaller diameters too. Tool wear is drastically reduced thanks to minimal cutting forces and the resulting high feeds per tooth. The multi-row concept not only reduces the machining time and wear, but also improves process reliability and handling – even when used with more demanding materials such as stainless steels or Inconel 718.

Reliable chip evacuation, thanks to internal coolant, and simple handling of the TC620 Supreme guarantee maximum process reliability. Radius corrections are seldom necessary, and when they are required, it is often only once competitor tools have already reached the end of their tool life. Walter is launching the TC620 Supreme for thread depths of 2 and 2.5 × DN in the dimension range from M4 to M20 as well as UNC 8 to UNC ¾ – and is therefore seamlessly linking to the Walter T2711 indexable insert thread milling cutter.

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● Sandvik Coromant’s CoroBore 825 Damped Fine-Boring Tool Improves Security And Productivity

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Kennametal Reports 10th Consecutive Quarter Of YoY EPS Growth

Kennametal Reports 10th Consecutive Quarter Of YoY EPS Growth

Kennametal Incorporated has posted sales of US$597 million for the fiscal 2019 third quarter ended March 31, 2019, down by two percent from US$608 million compared with the same period in the previous year. Earnings per share (EPS) was $0.82, up from $0.61 in the prior year quarter, and adjusted EPS of $0.77, compared with $0.70 in the prior year quarter—the company’s 10th consecutive quarter of EPS growth.

“We delivered organic sales growth in every business segment, on increasingly tougher comparables, and end markets remained generally positive except for automotive,” said Chris Rossi, president and CEO. “Earnings improved, and our adjusted EBITDA margin for the quarter increased notably year-over-year which is in-line with the fiscal 2021 targets outlined at our most recent Investor Day. We are seeing the increasing benefits from simplification/modernisation in our financial results. Moving forward, we expect the associated restructuring efforts to further reduce structural costs while maintaining customer commitments.”

Kennametal has also detailed the next phase of restructuring associated with simplification /modernisation. These actions are expected to reduce structural costs and are currently estimated to achieve US$35-US$40 million of annualised savings by the end of fiscal 2020. The company is expected to incur pre-tax charges of $55-$65 million through fiscal 2019 and 2020 for these restructuring activities.

Operating income was US$82 million, or 13.7 percent margin, compared to US$81 million, or 13.3 percent margin, in the prior year quarter. Adjusted operating income was US$85 million, or 14.3 percent margin, compared to US$83 million, or 13.6 percent margin, in the prior year quarter.

Net cash flow provided by operating activities was US$157 million compared to US$158 million in the prior year period. Free operating cash flow (FOCF) was US$15 million compared to US$54 million in the prior year period. The change in FOCF was driven primarily by higher working capital and greater net capital expenditures due in part to simplification/modernisation initiatives, partially offset by increased cash flow from operations before changes in certain other assets and liabilities.

Segment Results

Industrial sales was US$319 million, down by four percent from US$333 million year-over-year. Operating income was US$57 million, or 18 percent margin, compared to US$50 million, or 15.1 percent margin, in the prior year quarter. Adjusted operating income was $58 million, or 18.3 percent margin, compared to US$51 million, or 15.4 percent margin, in the prior year quarter.

Widia sales reached US$51 million, down by two percent from US$52 million year-over-year. Operating income was break-even, compared to US$1 million, or 2.4 percent margin, in the prior year quarter. Adjusted operating income was US$1 million, or 1.3 percent margin, compared to US$1 million, or 2.4 percent margin, in the prior year quarter.

Infrastructure sales was US$228 million, up by two percent from US$223 million year-over-year. Operating income was US$25 million, or 11 percent margin, compared to $30 million, or 13.5 percent margin, in the prior year quarter. Adjusted operating income was $27 million, or 11.7 percent margin, compared to $31 million, or 13.8 percent margin, in the prior year quarter.

 

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Tungaloy Strengthens Its Thread Milling Tool Range For Aerospace Threads

Tungaloy Strengthens Its Thread Milling Tool Range For Aerospace Threads

Tungaloy is expanding its solid carbide thread milling tools in the SolidThread family to include new lines enhancing aerospace machining center applications.

The new lines include the MTECS series with the aerospace UNJ and MJ internal thread profiles. Tungaloy is responding to increased aerospace demands with these offerings, covering a wide range of thread pitches and TPIs. In addition, free cutting single-point MTECI series is also being added with the internal ISO metric thread profile and internal/external 60 deg V profile. Low cutting force makes these single-point threading tools a great alternative when parts have poor stability with vulnerability to chatter or fine threads like M1x0.25.

With 22 new items in the SolidThread family, Tungaloy now offers a total of 293 items to address customers’ specific thread milling challenges and also the ThreadMilling Advisor, an on-line CNC code generator program able to create a wide range of thread milling programs, including UNJ and MJ threads for machining centers.

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