Ensure top-notch reliability with the right drive for the job

Automated processes are normal follow in the meals business. Production efficiency just isn’t the only motivation, hygiene additionally plays a key position in the food business. We met with DEPRAG SCHULZ GMBH u. CO. Product Manager Dagmar Dübbelde to debate the means to design a drive to meet these requirements and incorporate both these objectives.
Question: How are excessive requirements of hygiene met by DEPRAG?
Answer: In order to make certain that the right drive is chosen to meet the excessive necessities for hygiene within the food business, we normally suggest our ADVANCED LINE air vane motors. All their exterior components are produced from stainless steel and are impervious to regular cleaning agents. The easy floor of these air motors is simple to wash. The drives are so properly sealed with durable long-life radial shaft seals that no air can escape and equally no dust, water or different solutions can penetrate the motor. The motors are even proof against water penetration from generally used cleaning spray systems. A moist surroundings isn’t any concern for this motor. It can even be used underwater as within the case of many stirring purposes. All our ADVANCED LINE chrome steel motors are lubricated with food grade USDA-H1 grease and may be operated oil-free. A power discount of approx. 10-20% based on the technical knowledge said within the product catalog ought to be taken into account when designing drives for oil-free operation.
Question: Does an air motor need to boast other features for such applications?
Answer: Yes. In many functions, condensation can form in air supply lines. It is therefore advisable that measures are taken to ensure that the motor is not located on the lowest point in the system and that it can be flushed out with water. Many users take precautionary measures, not solely relating to the format of the motor in their system, but in addition regarding the usage of water separators or dryers in front of the drive. If all this is not attainable, then we advocate a special coating for these elements throughout the motor’s inside which are produced from stainless-steel. This is as a result of there is a restrict to using stainless-steel for heavy obligation, high-speed inside elements. This so-called CWL coating provides insensitivity to corrosion.
Question: Do you have any examples of the place your motors can be used in the food industry?
Answer: Stirring dough, transferring and cutting sheets of dough, rotating pork belly skewers, mixing sausage meat or unwinding sausage skins, the meals trade functions are endless. I’ll describe a quantity of applications in more element, corresponding to the utilization 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 on the pace of seven hundred rpm.
We also have the best drive for high-torque requirements in industrial agitators: Our ADVANCED LINE high-torque motors generate immense energy within the smallest of spaces. 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 63 mm.
Another software can be present in grinding mills and conveying techniques for grain processing. In this case, the focus is on dust era and explosion prevention. All our ADVANCED LINE motors are ATEX certified for use in potentially explosive environments. You will even discover our motors used within the processing of meat, for example in a semi-automatic assembly system for the manufacture of kebab skewers. In the skewer unit, two air motors are used to drive belts which pierce a wooden skewer by way of 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 utility.
Question: What advantages does an air motor have over an electric motor in such applications?
Answer: There are many arguments in favour of utilizing an air motor: One of the main advantages is its excessive power density. Depending on the design, an air motor has only a fifth of the mass of an electrical motor, or a 3rd of its measurement. This is especially significant when using a handheld device but after all additionally for robotic systems the place the drive moves with the robotic arm.
Heat also leaves the air motor cold. In important settings, compressed air is an unproblematic source of power – it does not evaluate to the risks of electricity. The power output from the air motor over extensive torque ranges is nearly constant. Air motors can subsequently be optimally operated in a wide subject of fluctuating masses. There isn’t any problem with load being utilized on the air motor till standstill, no damages are incurred. This means it is much less apt to stalling. After discount of the load, it will run once more immediately and any number of successive instances. Air motor power may be adapted simply by adjusting the operating stress. The speed is decreased easily by throttling the air quantity. Throttling supply air is recommended when torque must also be considerably reduced. Exhaust air throttling must be chosen to scale back velocity with none 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 cannot be in contrast on a one-to-one basis. The efficiency of a drive always depends on the circumstances of the appliance. Let me use this example to clarify: A motor which reaches speeds of 450 rpm is required for a packaging machine. 25 Nm torque is applied at decreased speed over a long time frame to safe the packaging tape. Electric motors can’t be loaded over a long time frame without operating the chance of overheating. Therefore, for this packaging machine, an electric motor would want to face up to excessive hundreds and as a result would need to be 1170W (25 Nm x 450 rpm divided by 9550). It is a very completely different story with the air motor: Due to the favourable torque characteristics 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 beneath that of the nominal torque, the air motor runs close to idle speed at 450 rpm underneath light load. The energy required for this air motor is therefore solely 430W. The vitality balance of an air motor is seen in a totally totally different light when you consider that the air motor needed for this packaging machine would only require a 3rd of the ability of an electric motor.
Question: DEPRAG SCHULZ GMBH u. ที่วัดแรงดัน . can reflect on many years of experience in the subject of air motors. They have a wide range of excessive quality, globally in style industrial drive solutions. Are the ADVANCED LINE motors a particular solution for meals trade applications?
Answer: It is true that our engineers have continued to optimise our air motors over the many years and our standard program has been adjusted to satisfy the needs of our clients. The ADVANCED LINE motors belong to our DEPRAG catalog program. Our prospects profit from long-established dependable drive options for the meals trade and medical know-how. We are in a position to supply these motors in a large power vary from 20 W to 1.6 kW mixed with a variety of planetary gears from our own manufacturing with speeds of seven to 24,000 rpm. This outstanding spectrum of chrome steel motors has made us a market chief in this segment. You can discover the ideal resolution for every performance requirement. Thanks to our development specialists and a high level of vertical integration, we’re in a place to react flexibly to customer necessities, when a certain design, such as a selected flange connection or special spindle request, is not obtainable off the shelf. 85% of our manufactured drives are customer-specific options based mostly on normal elements.
The improvement and development of prime quality air motors is doubtless considered one of the main areas of expertise at DEPRAG. The specialists in air motors, screwdriving technology, feeding expertise, automation, air tools and Green Energy turbines have around 760 employees in over 50 nations. DEPRAG is a market-leading producer of air motors with a formidable range of prime quality chrome steel drives and innovative generators. The owner-run family enterprise presents a various range of options inside their normal program. These particular person drive options may be developed and manufactured at a beautiful price-performance ratio because of the modular building system. www.deprag.com
Ideal motors for prime requirements of hygiene
Press Contact and Head of Marketing:
Carl-Schulz-Platz 1
92224 Amberg
Claudio Seidel
Tel.: 09621 371-243
Email: presse@deprag.de
Internet: www.deprag.com

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