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Gears

Cut costs and boost productivity with new thread forming tap

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Cutting tool and tooling system specialist Sandvik Coromant has launched a new thread forming tap optimised for ISO P steel machining which is designed to boost productivity, particularly in the automotive industry. The CoroTap ® 400 achieves this by offering chip-free tapping as well as faster machining times and stronger threads through reduced torque and an optimised geometry.

The automotive industry has extremely high requirements when it comes to safeguarding quality and it has implemented robust and rigorous processes for this reason. The new tap has been created to meet those exacting demands by ensuring superior thread quality, improved process security and longer tool life, resulting in a combination of greater efficiency and reduced costs – in comparison tests, the CoroTap 400 delivered a significantly more secure and stable tap than its competitors while achieving cutting speeds up to 50 per cent faster.

Among the main features of the new tap is an optimised lobe profile designed specifically for ISO P applications. By increasing the number of lobes on the tap and giving it a shorter thread length, Sandvik Coromant has reduced torque at the machine tool spindle which facilitates increased cutting speeds and, in turn, improves productivity. As a result, the CoroTap 400 offers the customer such key benefits as greater process security, fewer machine stoppages, reduced cost per hole and improved tool life for better process planning.

Made with a new grade of substrate and coating, the new thread forming tap gives machine tool operators peace of mind through its high-level reliability and its adaptability for use with lower torque spindle machines. For senior managers in the automotive industry, the tap satisfies their green light machining demands while extremely high levels of repeatability and predictability afford them extra confidence in relation to maintaining the highest possible production standards.

Offering a more consistent and reliable threading process, the CoroTap 400 has been designed with a geometry that can reduce the force required for machining a steel component by up to 30 per cent. At the same time, the tap’s working life can be up to twice as long as similar thread forming tools.

Designed to be used on steels up to 330 HB in conjunction with such drills as Sandvik Coromant’s CoroDrill 860, the new tap is ideal for machining such automotive components as connecting rods, wheel hubs, crank shafts, axles, gears and transmissions. Not restricted to the automotive industry, however, the CoroTap 400 is also perfectly suited to rail or general engineering applications, where it can improve productivity and cut costs when forming threads in rail wheels, flanges, rivets, housings, boom cylinders, tubes and a wide range of other components.

Türkiye endüstrisine, alana özel, spesifik yayınlar üreten MONETA Tanıtım’ın sektörel dergilerinin editörlüğünü yapmaktayım. Yeni nesil, dinamik yayıncılık anlayışıyla, dijital ve basılı mecralarda içerik geliştirmek için çalışmaktayız.

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Gears

First Hydro Lubricant for gears

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Innovative lubricant containing water as a functional component combines high performance and sustainability.

With the new Hydro Lubricants, Klüber Lubrication succeeded in developing homogeneous lubricants using water as a functional constituent, thus making use of the positive effects of water. This approach offers important benefits both in terms of lubricant performance and sustainability. The high-performance lubricant Klübersustain GW 0-460 for industrial gears is the first product from the innovative Hydro Lubricant series.

“Major advantages of our pioneering lubricant concept are the optimised friction behaviour as well as the excellent cooling characteristics that contribute to lower temperatures in gears and rolling bearings”, explains Matthias Pfadt, Manager Application Engineering at Klüber Lubrication. “The new gear lubricant based on water and a synthetic base oil offers a new performance level which meets the growing requirements and increasing power density of modern gears. It also makes a major contribution to energy efficiency.”

Modern lubricant design for trouble-free operation

Klübersustain GW 0-460 has been developed especially for high-speed spur, bevel and planetary gears, as its low foaming tendency ensures uninterrupted operation of components. The excellent viscosity-temperature behaviour supports the formation of a sufficient lubricant film across the whole service temperature range. Its good electric conductivity also protects components against electro-corrosion.

The Hydro Lubricants from Klüber Lubrication are based on a modern lubricant design that has the potential to revolutionise the future of speciality lubricants and solve future challenges with regard to performance, energy efficiency and environmental compatibility of lubricants. Together with cooperation partners from different sectors, Klüber Lubrication is currently working on Hydro Lubricants for various applications and components.

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Gears

The countdown is on: 40 days to the unveiling!

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Studer will unveil a first at 12 noon on 14th March 2018 at the GrindTec in Augsburg (Germany). One thing is for sure: Studer is expanding its product portfolio with new machines.

Be live at the unveiling on March 14, 2018, 12 o’clock!

Visit Studer at the GrindTec 2018 (Germany) from 14th to 17th March 2018, Hall 7, Booth 7033.

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Gears

NSK launches world´s fastest high-load ball screws

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With linear speeds of up to 3 m/s (twice as quick as conventional balls screws in this type of application), NSK is introducing the world´s fastest high-load ball screw. The latest additions to the HTF-SRE and HTF-SRD series mean that the clamping and dynamic axes of all-electric plastic injection moulding machines can now benefit from faster acceleration and higher final speed. The NSK HTF-SRE series of high-load ball screws is now available with smaller diameter spindles for use in the dynamic linear axes of injection moulding machines.

It was 1996 when NSK first developed its successful HTF series of high-load ball screw drives, which has since been continuously expanded at both the low- and high-end performance range. To match market demand for shorter cycle times when producing parts such as guide plates for smartphone and tablet displays, the linear drives of the latest injection moulding machines need to be capable of operating with higher acceleration and faster feed rates. With this in mind, two series of high-load ball screws from NSK have been expanded in line with industry requirements.

In the HTF-SRE series, NSK previously only offered relatively large spindle diameters of 140 to 200 mm. Now, for the latest injection moulding machines with very high dynamic performance requirements, small and medium diameters (starting from 50 mm) have been added to the range. In addition, the series now features nuts that are far more compact, with outer dimensions compatible with those of the HTF-SRC series, which are already used in numerous injection moulding machines around the world.

In a further development from NSK, the company´s HTF-SRD series, which is ideal for the clamping units of plastic injection moulding machines, has been expanded with versions featuring larger leads. Machinery designers can now utilise high-load ball screws with top feed speeds of 2 to 3 m/s, which in turn allows end users to benefit from shorter cycle times and increased productivity. Another positive effect is notably reduced noise levels. Thanks to optimised (smooth) ball circulation methodology, noise has been reduced by half compared with conventional systems.

Larger lead versions of NSK´s HTF-SRD high-load ball screws for clamping units on injection moulding machines achieve ultra-fast feed speeds of up to 3 m/s.

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