Automated processes are commonplace apply within the food business. Production effectivity isn’t the one motivation, hygiene also performs a key role within the food business. We met with DEPRAG SCHULZ GMBH u. CO. Product Manager Dagmar Dübbelde to debate tips on how to design a drive to fulfill these necessities and incorporate both these goals.
Question: How are high standards of hygiene met by DEPRAG?
Answer: In order to make certain that the best drive is selected to satisfy the high necessities for hygiene in the meals trade, we normally suggest our ADVANCED LINE air vane motors. All their external elements are made from stainless-steel and are impervious to regular cleaning brokers. The clean floor of these air motors is simple to scrub. The drives are so well sealed with durable long-life radial shaft seals that no air can escape and equally no dirt, water or other options can penetrate the motor. The motors are even resistant to water penetration from generally used cleaning spray methods. A wet setting is no concern for this motor. It can even be used underwater as in the case of many stirring applications. All our ADVANCED LINE stainless-steel motors are lubricated with food grade USDA-H1 grease and can be operated oil-free. A power discount of approx. 10-20% primarily based on the technical information said within the product catalog should be taken under consideration when designing drives for oil-free operation.
Question: Does an air motor need to boast different options for such applications?
Answer: Yes. In many purposes, condensation can form in air supply traces. It is subsequently advisable that measures are taken to make sure that the motor isn’t situated on the lowest point in the system and that it could be flushed out with water. Many customers take precautionary measures, not solely regarding the structure of the motor in their system, but additionally regarding the use of water separators or dryers in front of the drive. If all this isn’t possible, then we recommend a special coating for these components within the motor’s inside which are created from stainless steel. This is because there’s a restrict to the usage of stainless steel for heavy duty, high-speed internal components. This so-called CWL coating provides insensitivity to corrosion.
Question: Do you have any examples of where your motors can be utilized in the food industry?
Answer: Stirring dough, shifting and slicing sheets of dough, rotating pork belly skewers, mixing sausage meat or unwinding sausage skins, the food trade functions are infinite. I’ll describe a couple of purposes in more element, similar to the use of our ADVANCED LINE air motor in an agitator for the manufacturing of fruit juice. Our 300W air motor drives a propeller stirrer in a magnetic agitator at the velocity of seven-hundred rpm.
We even have the ideal drive for high-torque requirements in industrial agitators: Our ADVANCED LINE high-torque motors generate immense energy in the smallest of areas. The 900W high-torque motor with a nominal speed of 22 rpm overcomes a starting torque of 585 Nm and has a maximum diameter of sixty three mm.
เกจวัดแรงดันแก๊สหุงต้ม can be found in grinding mills and conveying methods for grain processing. In this case, the focus is on mud technology and explosion prevention. All our ADVANCED LINE motors are ATEX certified for use in probably explosive environments. You will even find our motors used within the processing of meat, for example in a semi-automatic meeting system for the manufacture of kebab skewers. In the skewer unit, two air motors are used to drive belts which pierce a wood skewer via items of meat, onion and pepper. Pressure on the skewer is 38 kg and due to this fact a high-power air motor with compact design is ideally suited to this software.
Question: What advantages does an air motor have over an electrical motor in such applications?
Answer: There are many arguments in favour of using an air motor: One of the main advantages is its excessive energy density. Depending on the design, an air motor has solely a fifth of the mass of an electric motor, or a third of its dimension. This is especially important when utilizing a handheld system but after all additionally for robotic techniques where the drive moves with the robot arm.
Heat also leaves the air motor chilly. In important settings, compressed air is an unproblematic source of power – it does not evaluate to the risks of electricity. The energy output from the air motor over extensive torque ranges is almost fixed. Air motors can therefore be optimally operated in a large area of fluctuating masses. There is not any downside with load being utilized on the air motor till standstill, no damages are incurred. This means it’s less apt to stalling. After reduction of the load, it’ll run again instantly and any number of successive times. Air motor power could be tailored just by adjusting the operating stress. The velocity is decreased easily by throttling the air volume. Throttling provide air is really helpful when torque also wants to be considerably lowered. Exhaust air throttling must be chosen to scale back pace without any critical influence on the torque.
Question: Air motors are often seen to be less efficient compared to electrical motors. Can you touch upon this statement?
Answer: Air motors and electric motors can’t be in contrast on a one-to-one foundation. The effectivity of a drive always is dependent upon the conditions of the applying. Let me use this instance to elucidate: A motor which reaches speeds of 450 rpm is needed for a packaging machine. 25 Nm torque is applied at reduced pace over an extended time frame to safe the packaging tape. Electric motors cannot be loaded over a protracted period of time with out operating the risk of overheating. Therefore, for this packaging machine, an electric motor would need to resist high loads and as a result would must be 1170W (25 Nm x 450 rpm divided by 9550). It is a completely totally different story with the air motor: Due to the favourable torque traits of air motors, a lower-powered drive will suffice. You might select an air motor with a nominal torque of 15 Nm and nominal pace of 275 rpm. Since the working torque is below that of the nominal torque, the air motor runs close to idle velocity at 450 rpm beneath light load. The energy required for this air motor is therefore only 430W. The power balance of an air motor is seen in a very totally different gentle when you think about that the air motor wanted for this packaging machine would solely require a 3rd of the facility of an electrical motor.
Question: DEPRAG SCHULZ GMBH u. CO. can reflect on decades of expertise within the area of air motors. They have a broad range of top of the range, globally popular industrial drive options. Are the ADVANCED LINE motors a special answer for food trade applications?
Answer: It is true that our engineers have continued to optimise our air motors over the a long time and our standard program has been adjusted to fulfill the needs of our customers. The ADVANCED LINE motors belong to our DEPRAG catalog program. Our prospects benefit from long-established reliable drive options for the meals business and medical expertise. We are capable of provide these motors in a wide energy vary from 20 W to 1.6 kW mixed with a selection of planetary gears from our own production with speeds of 7 to 24,000 rpm. This outstanding spectrum of stainless-steel motors has made us a market chief on this section. You can discover the best resolution for each efficiency requirement. Thanks to our development specialists and a high level of vertical integration, we’re capable of react flexibly to customer necessities, when a certain design, similar to a selected flange connection or special spindle request, is not out there off the shelf. 85% of our manufactured drives are customer-specific options based on commonplace parts.
The development and building of high of the range air motors is doubtless certainly one of the primary areas of experience at DEPRAG. The specialists in air motors, screwdriving expertise, feeding technology, automation, air tools and Green Energy generators have round 760 workers in over 50 nations. DEPRAG is a market-leading producer of air motors with a formidable vary of top quality chrome steel drives and progressive generators. The owner-run family enterprise offers a diverse range of choices within their standard program. These particular person drive solutions may be developed and manufactured at a gorgeous price-performance ratio because of the modular building system. www.deprag.com
ADVANCED LINE Air Motors
Ideal motors for prime standards of hygiene
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