UNIMOTION Linear Motor LMCA Showcase an Excellent Compact Design with Very High Force Density and Low Cogging Force
The UNIMOTION linear motor, showcases an excellent compact design with top benefits.
Linear motors are one of the latest additions to the main UNIMOTION sales program. In 2021 UNIMOTION developed a brand-new generation of linear motors that offer an outstanding price-performance ratio and other functional benefits. UNIMOTION linear motors are ideal for a variety of applications such as actuators, robots, XYZ tables, positioning, assembly, tool machines, P&P machines, fibre optic machines, and many others. The main advantage of UNIMOTION linear motors is the force density, which is 30–50 % higher compared to other competitors on the market, while still retaining a very low cogging force. Thanks to the innovative design and state-of-the-art materials, UNIMOTION can now offer customers the industry-leading linear motor on the market. UNIMOTION's linear motors come in different sizes and versions. Additionally, UNIMOTION offers two-speed types for each motor version. UNIMOTION linear motor solutions offer air cooling and as mentioned already, a very high force density, which is achieved with a compact design. Last but not least, the Hall sensor offers easy drive integration and a 'Free wake & shake' feature.
Key Benefits:
Force density 30 – 50 % higher compared to other competitors on the market
Low cogging force
High and low-speed version
A/D hall sensor that enables a 'Free wake & shake' feature
Multiple linear motor sizes
High-performance magnet plates
Unimotion Linear Motors LMCA was awarded the Prestigious 2022 German Design Award.
The innovative Unimotion linear motors LMCA showcase an excellent compact design awarded with the prestigious 2022 German Design Award by the German Design Council.
The German Design Awards are the premium award of the German Design Council. With its worldwide spectrum and international appeal, it is one of the most prestigious awards in the design landscape across all industries.
''Today, the industry is changing faster than ever before so it is UNIMOTION duty to create technologies that will be shaping the world of tomorrow.'' Peter Grilc, CEO
Three Linear Motor Sizes (30,60,90) and Four Versions (S, M, L, and XL)
LMCA 30 ━ S, M, L
LMCA 30 is the smallest design in the LMCA family. It is also available in M and L versions. They offer a superb ratio between maximum velocity and the mass of the forcer, therefore they are suitable for applications with light payloads, where high speeds and accelerations are required.
LMCA 60 ━ S, M, L, XL
LMCA 60 represents the middle section of the LMCA family. In the picture, LMCA 60 M is presented. It is also available in S, L, and XL versions. Because of their mid-range design, they offer high dynamics and a great speed-to-force ratio.
LMCA 90 ━ S, M, L, XL
LMCA 90 is the UNIMOTION strongest design in the LMCA family. It is also available in S, M, and L versions. They are primarily used in applications where axial force demands are the highest.
Linear motors are an ideal substitute for pneumatic, hydraulic, belt, ball screw, or other types of drives. Linear motor drive systems do not require conversion from rotational to linear movement, because the movement is generated directly from the linear electromagnetic force.
The linear motor driven systems in comparison with the traditional linear units are more compact, accurate, repeatable, faster, robust, reliable, generate less noise, and after all, require no maintenance. Linear motors are also known as “direct-drive” motors because the load is directly coupled to them.
Two Types of Magnet Plates, Compatible with all the Linear Motors
Besides different motor sizes (30, 60, 90) and versions (S, M, L, and XL), UNIMOTION offers two types of magnet plates that are compatible with all motors:
– A classic magnet plate, that enables continuous forces from 141 N to 1665 N (peak from 311 N to 3661 N),
– The innovative high-performance magnet plate design, which results in much higher force density and also boosts the continuous (from 158 N to 1856 N) and peak forces (from 358 N to 4215 N), which is nearly 11 % higher in comparison with the classic magnet plate.
Additionally, for each motor size, UNIMOTION offers two speed types:
– A low-speed variant,
– A high-speed variant, which has a lower BEMF constant and is suitable for applications, requiring higher speed or low supply voltage.
Both solutions are air-cooled with an extremely high force density, which offers a small and very compact design of linear motion systems and units. To allow an easy drive integration, UNIMOTION designed UNIMOTION's own Hall module which features analogue as well as a digital Hall sensor in only one housing.
UNIMOTION offers a Hall sensor which was specifically developed for the LMCA linear motors. The sensor utilizes existing magnet feedback which allows an unmatched accuracy to price ratio. Its main advantage is integration of the analog and digital sensors into one housing.
UNIMOTION's Hall sensor can be used as a cost-effective solution when the position accuracy demands are not very high. Repeatable accuracy is in the range of 30 μm whilst absolute accuracy is in the range of 100 μm. With the integration of both sensors, analog is used for exact position control, whereas digital is used for commutation. A combination of both offers the customer a 'Free wake & shake' operation feature.
The sensor is equipped with 10 highly flexible shielded wires, which are suitable for use in the energy chains. The digital sensor generates the U, V, and W signal outputs with a 120° phase shift while the analog sensor generates sine and cosine signals with an amplitude of 1 VPP. For the best resistance against the EMC, the signals are differential, i.e.: sine: A+, A– and cosine: B+, B–.
UNIMOTION's Hall sensor enables easy and precise mounting which results in an ideal alignment of the sensors and motor windings.
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