DS-MAY22-ADVERTORIALS:Layout 1 23/05/2022 11:27 Page 56


ADVERTORIALS Now with new accessories –


slimline AZM150 solenoid interlock The DHS-150 door handle system is especially suited to heavy swing doors


With the new practical DHS-150 door handle system, the slimline AZM150 solenoid interlock from Schmersal is now even easier to use. The ergonomic DHS-150 avoids the need for a separate door handle and is suitable for machine enclosures or fencing and for all standard aluminium profiles with a width of 40 mm. The robust door bolt is particularly useful on heavy swing doors and in for use in harsh environments.


One benefit of the new accessory is that the actuator is pre-positioned by the bolt in the


DHS system, thus ensuring its optimal insertion into the device. This gives the system stability against lateral forces. In the event of lateral forces on interlocks that cannot be overcome, the safety door will not be opened – thus causing delays in the production process. In this regard, the DHS-150 door handle system, in conjunction with the AZM150 solenoid interlock, contributes to improved system availability.


NSK reveals world’s first bearing In addition, the DHS-150 door handle system is also equipped with an integrated locking


device (LOTO). This locking tag function protects operating staff from mistakenly being locked inside larger, walk-in systems and machines while they are performing servicing and repair work. The locking device ensures that the door of the protective device cannot be closed and unintentional machine start-up is prevented.


line-up to feature a bioplastic cage Following its development in 2021 of the world’s first bioplastic cage for rolling bearings, NSK can now reveal its initial product line-up. The new heat-resistant cage will be available on its 60 and 62 series of deep groove ball bearings, which are ideal for fan motors in air conditioners. Moving forward, NSK will continue expanding its product portfolio and the associated range of applications for OEMs looking to develop environmentally friendly products. By manufacturing the bearing cage from a bioplastic material - which derives from


The AZM150 solenoid interlock has an interlocking force of 1500 Newtons and is


characterised by a slimline, space-saving design. In addition, it can be combined with three different actuators for different attachment situations. A positive of the interlock is the rotating actuator head which can be locked with ease by simple placement on the cover, rather than being bolted into place. The rotating actuator head with its two insertion slots enables various installation positions and actuating options and makes the interlock particularly versatile in use.


renewable biomass sources (mainly plants) - it is possible to reduce lifecycle CO2 emissions by 91% in comparison with conventional plastics made from fossil fuels, thus contributing to carbon-neutral initiatives. As a point of note, conventional bioplastic components have suffered from low heat resistance, but tests show that the cage material selected by NSK can withstand operating temperatures of up 120°C. Sales of new air conditioners are set to


The AZM150 solenoid interlock is electromechanical in design and can be combined with


a high safety standard: the interlock is supplied with a low coding level as standard, or optionally with a high coding level in accordance with ISO 14119. The DHS-150 door handle system can be used with the B1 straight actuator for the standard version as well as for the individually coded version. The B1 actuator is supplied with the high coding level version of the device, but must be ordered separately for use with the standard version.


The Schmersal Group u uksupport@schmersal.com u www.schmersal.co.uk


increase as they enter the price range of a growing number of households across Europe, while homes and workplaces with existing air conditioners are looking to upgrade due to the Covid-19 pandemic and the benefits that enhanced ventilation bring. Bearings are a key component within the fan motors of air conditioners. By taking advantage of NSK 60 and 62 series deep groove ball bearings and the world’s first 100% bioplastic cage brought to mass market, air conditioner OEMs can boost their sustainability credentials. Using CAE technology in the development process allowed NSK to evaluate dimensions,


shape and deformation, and verify the suitability of existing mould tools. The company could also assess important attributes such as strength and quality. In particular, NSK used digital twin simulation to evaluate cage stress characteristics under operating conditions. Accelerated by simulation results, NSK conducted further validation of cage


performance during rotation via the real-world testing of physical prototypes. By applying the two perspectives in parallel, the company reduced cage development time to one-third of that of conventional processes. In addition to high reliability, bearings for air conditioner fan motors are required to


exhibit low noise and friction. NSK’s functional evaluation tests confirmed that bearings featuring the bioplastic cage have an equivalent noise and friction performance to that of conventional cages made from polyamide 66. Ultimately, alongside its potential to help


OEMs develop carbon-neutral products, the new bioplastic cage demonstrates equivalent strength, heat resistance, grease resistance and weld strength to that of polyamide 66, as well as comparable stiffness, fatigue resistance, creep resistance and impact resistance. Moving forward NSK will continue


expanding its use of bioplastics in products for other sectors, such as automotive, with a view to further reducing carbon emissions and contributing to the creation of a carbon- neutral society.


NSK Europe Ltd. 5 DESIGN SOLUTIONS MAY 2022 6 u www.nskeurope.com


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