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Linear Motion Devices

Interroll introduces new oil-free drum motor

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Interroll is now introducing a new version of its oil-free drum motor based on the new and improved Interroll Drum Motor Platform.

Already back in 2010 Interroll introduced the first oil-free drum motors. Since then, thousands of oil-free motors have been installed and are currently in use as a proven solution for many applications, in particular in the food industry. The oil-free drum motors now being introduced into the market are drum motors based on the new and improved Interroll Drum Motor Platform that has been on the market since 2017. Synchronous oil-free drum motors are by nature very efficient, which means less heat losses and a much higher power density, as opposed to asynchronous oil-free drum motors which are prone to overheating and power reduction and therefore loss in torque.

Compared to standard drum motors, the oil-free motor’s performance is only minimally impacted by the different type of lubrication. Also, compared to a standard asynchronous motor, oil-free synchronous motors are stronger and better performing. But they require a frequency inverter and speed and torque are slightly reduced compared to a standard synchronous motor lubricated with oil. However, high-speed applications are still possible if the belt pull force is sufficient. This is also true for low-speed applications. Typical oil-free motor applications include transportation and packaging of lightweight goods such as candy, chocolate or pralines.

No leakage issues in sensitive production processes

Food manufacturers who have to comply with certain restrictions regarding food contamination benefit from this new option. Oil-free drum motors can be used for any application where the belt moves slowly (i.e., when the production process is in steps and accuracy is of paramount importance, like portioning and cutting for instance). When installed correctly, Interroll Drum Motors have no leakage issue. The oil-free drum motor makes the entire production flow safer as it eliminates any potential risk of oil contamination. It works well in cool temperatures, which are often a requirement in the food manufacturing sector. In certain industries such as fish processing, the European Hygienic Engineering and Design Group (EHEDG) recommends the use of oil-free motors.

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Linear Motion Devices

IKO MX Series Shall Involve Dust-Protection in Specific Conditions

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IKO International is building on its standard MX series of linear roller bearings to include special features for environments that are sensitive to metal chips, dust, and other contaminants.

Dust protection

A dust protective C-Wiper can be mounted to the outside of the end seal, ensuring operation in environments where metal chips are spattering. After 1,000 km of operation, the C-Wiper prevented foreign substances from entering the slide unit with no damage to the end seal.

Maintenance-free

The MX specification integrates IKO’s proprietary C-Lube lubrication system. As the cylindrical rollers circulate, lubricant is distributed to the loading area through the rollers along the track rail. Lubrication is properly maintained in the loading area for over 12,500 miles, reducing valuable time spent lubricating hard to reach parts.

High load capacity

The MX models utilize rows of cylindrical rollers to provide a greater contact area than slides that use steel balls. They also maintain high rigidity in every direction. As a result, bearings deliver high load capacities––up to 674 kN for dynamic loads and 1,300 kN for static loads.
Mounting dimensions are compatible with MH and LWH ball type series. If you want to transition from a ball type to a roller type, your mounting dimensions do not need to change.

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A new lease of life for your STUDER machine with a machine overhaul

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FRITZ STUDER AG, Motion Meeting Press Event

Anything that works as hard as a cylindrical grinding machine will wear out. This is particularly obvious in the geometry and precision. STUDER doesn’t just support the customer in the purchase of new machines, but can also offer a complete machine overhaul A machine overhaul at STUDER makes an old machine into one that is as good as new; in other words, a machine that has the same tolerances as when it was first delivered.

STUDER has been carrying out machine overhauls for 20 years. Every day, more than 25 employees are involved in giving machines and assemblies a new lease of life. In the supreme discipline of machine overhauls, over 400 machines have been completely overhauled to date. Countless assemblies have also been overhauled. Irrespective of whether machine or assembly, they all have one thing in common: An overhaul at STUDER is carried out by the original manufacturer with its unique knowledge and expertise, and according to the same quality standards as for new machines. At the end the customer gets a product whose quality and precision are comparable to that of a new machine.

Trusted precision and quality

A machine overhaul fully restores the original precision and quality and verifies this by means of a certificate. Changing requirements such as reconfigurations, automation or even digitalization can also be implemented in conjunction with the overhaul.

Thanks to the STUDER quality, the customer receives a new one-year warranty on the overhaul. This also includes ensuring parts availability again. As the machine is ultimately restored to the original condition, an overhaul provides the customer with an outstanding price/performance ratio compared to the former purchase price. STUDER can provide the customer with a specific loan machine for the duration of the machine overhaul if required.

Machine overhaul at a glance

  • Machine base: Completely overhauled, ribbed guideways milled, recast and repainted.
  • Control cabinet: Replacement of wear parts in the electric cabinet.
  • Pneumatics: New valves, hoses and filters.
  • Hydraulics: New hydraulic and lubricating system, all new valves and hoses.
  • Workhead: Completely overhauled.
  • Wheelhead: Completely overhauled.
  • Tailstock: Completely overhauled.
  • Axes: Tables as new, installation of new recirculating ball screw and bearings.
  • Component casings: Sand-blasted, repainted, color according to STUDER design or customer requirement.
  • Control system: Existing control system is retained.
  • Delivery: Always with precise measurement of new machine tolerance including test certificates.
  • Loan machine: We can provide a loan machine on request.
  • Renewed original CE certificate

 

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STUDER universal external grinding machines at a glance

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FRITZ STUDER AG performing spectacular press event in Thun

A great deal has been written about the new favorit, S33 and S31 machines in recent months. The complete portfolio of STUDER universal external cylindrical grinding machines is presented in more detail in the following report.

From the entry-level machine for the main applications through to the all-rounder for complex grinding tasks. Small to large workpieces for individual, small-batch and large-scale production. With distances between centers of 400, 650, 1000 and 1600 mm and center heights of 175, 225 and 275 mm, STUDER offers the customer a selection of five universal cylindrical grinding machines.

 

favoritCNC – The well-known bestseller for the main applications

The favoritCNC is a CNC universal cylindrical grinding machine for the individual and batch production of medium-sized workpieces. It has distances between centers of 650 / 1000 mm and a center height of 175 mm. It can machine workpieces with a maximum weight of 80 / 120 kg. It can subsequently be easily adapted to other grinding tasks using various accessory kits such as in-process gauging, balancing system, contact detection and length positioning. The solid Granitan® S103 machine bed forms the basis for this cylindrical grinding machine, which is equipped with high quality components and guarantees maximum precision, performance and reliability over many years. The full enclosure ensures an optimal view of the grinding process.

 

favorit – The new bestseller for the main applications

The favorit is a CNC universal cylindrical grinding machine for the individual and batch production of short to long workpieces. It has distances between centers of 400 / 650 / 1000 / 1600 mm and a center height of 175 mm. It can machine workpieces with a maximum weight of 150 kg. This cylindrical grinding machine can be used universally and thanks to StuderPictogramming it is quick and easy to program. Its Granitan® S103 mineral casting machine base largely equalizes temporary temperature fluctuations. It can subsequently be easily adapted to other grinding tasks using various accessory kits such as in-process gauging, balancing system, contact detection and length positioning.

 

S33 – The good value solution for individual requirements

The S33 is a CNC universal cylindrical grinding machine for individual, small-batch and large-scale production of small to large workpieces. It has distances between centers of 400 / 650 / 1000 / 1600 mm and a center height of 175 mm. It can machine workpieces with a maximum weight of 150 kg. It can be changed over from grinding between centers to live grinding in record time. You can grind even complex workpieces in a single clamping: This is made possible by the new wheelhead head with two motor spindles. The foundation is the solid Granitan® S103 machine base.

 

S31 – The versatile solution for large tasks

The S31 is a cylindrical grinding machine for individual, small-batch and large-scale production of small to large workpieces. It has distances between centers of 400 / 650 / 1000 / 1600 mm and a center height of 175 mm. It can machine workpieces with a maximum weight of 150 kg. Thanks to the expandable modular system the S31 can be precisely adapted to the customers’ requirements. With a high-resolution B-axis of 0.00005°, the swiveling wheelhead enables external, internal, and face grinding in a single clamping. The foundation is the solid Granitan® S103 machine base.

 

S41 – The all-rounder for complex grinding tasks

The S41 is a CNC universal cylindrical grinding machine for large workpieces. It has distances between centers of 1000 / 1600 mm and center heights of 225 / 275 mm. It can machine workpieces with a maximum weight of 250 kg. The S41 has a host of sophisticated technical features such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear motors, extremely fast B-axis direct drive, an even wider selection of wheelhead variants and much more.

 

 

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