Ultrasonic Cutting for High-speed Separation of Square Cheese
Ultrasonic cutting technology empowers high-speed portioning of square cheese: an industrial solution for over 200 servings per minute
In the field of modern food processing, standardized partitioning of remade cheese has always been a key link in balancing production efficiency and product quality. With the increasing demand for portable, quantitative, and hygienic packaging cheese products in the consumer market, achieving high-speed, precise, and clean cutting has become a challenge faced by both equipment manufacturers and food factories. The introduction of ultrasonic cutting technology, combined with square cheese dispensers capable of producing over 200 servings per minute, is redefining the production standards in this niche field.
The traditional mechanical cutting method has significant limitations in processing reconstituted cheese. Due to the viscosity and elasticity of reconstituted cheese, ordinary blades are prone to problems such as cheese adhesion, rough cutting surfaces, and dimensional deviations during high-speed cutting. At the same time, frequent blade cleaning and replacement can lead to production interruptions, affecting overall efficiency. More importantly, the frictional heat generated by traditional cutting may cause local melting of cheese, damaging the structural integrity of the product. Ultrasonic cutting technology has shown significant advantages in addressing these pain points.
The ultrasonic cutting system applies high-frequency vibration (usually 20kHz to 40kHz) to the cutting blade, causing rapid displacement of the blade surface at the micrometer level. When the blade comes into contact with the cheese, this high-frequency vibration actually reduces the macroscopic cutting force – the friction coefficient between the cheese and the blade is greatly reduced, the cutting surface is smooth and flat, and it is not easy to produce debris or stick to the blade. At the same time, due to the cutting process almost not relying on mechanical pressure, the internal structure of the cheese is protected, and the deformation of the product is minimal. This characteristic is particularly important for reconstituted cheese, as its texture uniformity and shape retention ability directly affect the user experience of end consumers.
Integrating ultrasonic cutting technology into a square cheese slicer with a production capacity of 200 parts per minute requires precise system design. This device usually consists of the following core modules: cheese continuous feeding system, synchronous cross cutting and longitudinal cutting unit, product separation and conveyor belt, and intelligent control system. The feeding part adopts a constant temperature and pressure extrusion method to ensure that the processed cheese enters the forming channel at a constant density and temperature, forming a regular square cross-section strip material. Subsequently, the longitudinal ultrasonic cutting blade group first divides the material strip into long strips of predetermined width, and then the transverse ultrasonic cutting blade completes the fixed length cutting with high-frequency action, forming independent square cheese blocks. The synchronous coordination of the two cutting steps is the key to ensuring a production capacity of 200 parts per minute – each cutting cycle needs to be completed within 0.3 seconds, and the cutting accuracy tolerance should be controlled within ± 0.5 millimeters.
The device’s high-speed and stable operation relies on high-performance driving systems and control algorithms. The material conveyor belt driven by servo motor is linked with the flying shear cutting mechanism, and the position signal is fed back in real time through an encoder to ensure that the length of each piece of cheese is consistent. The ultrasonic generator provides stable power output, and the blade amplitude can be automatically adjusted according to the hardness of the cheese. For example, higher amplitude can be used for reconstituted cheese formulas with added starch or protein to ensure cutting through. The overall equipment is made of food grade stainless steel material, and the cutting area is equipped with an online cleaning (CIP) interface to meet strict food safety regulations.
From an application perspective, a production capacity of 200 servings per minute means that over 12000 individually packaged square cheese cubes can be produced per hour, which is close to 100000 servings per 8-hour shift. This is sufficient to match the packaging line speed of large and medium-sized dairy companies. This efficient partitioning creates continuous flow conditions for subsequent independent packaging (such as thermoformed film sealing, aluminum foil wrapping, or nitrogen filled packaging), avoiding the risk of deformation or contamination that may occur during intermediate buffering processes. It is worth noting that square shapes have higher space utilization in packaging and transportation compared to circular or triangular shapes, and can be stacked more tightly under the same packaging size, reducing logistics costs.
Market data shows that the annual growth rate of the global remade cheese market remains between 4% and 6%, with the growth rate of portable snack cheese products being particularly prominent. Square cheese cubes are widely popular in children’s snacks, sports nutrition, and dining ingredient scenes due to their neat shape that makes them easy to hold, dip in sauce, or melt as cooking ingredients. Equipment manufacturers provide ultrasonic cutting solutions to help food factories achieve one-time molding from large cheese pieces to terminal small cubes, reducing the risk of personnel contact and cross contamination in secondary processing.
In the technical and economic analysis, although the initial investment of ultrasonic cutting system is higher than that of traditional mechanical blades, considering the frequency of blade replacement, the improvement of product qualification rate (usually reducing cutting edge waste by 2% to 3%), and the shortened downtime for cleaning, the investment payback period is generally within 12 to 18 months. In addition, the noise level generated by ultrasonic cutting is significantly lower than that of mechanical impact cutting, improving the working environment for operators.
With the deepening of the Industry 4.0 concept, the new generation of square cheese dispensers now has data collection and remote operation and maintenance functions. The production management system can monitor cutting speed, ultrasonic power, torque and other parameters in real time. When blade wear causes amplitude deviation from the threshold, it will automatically alarm and remind maintenance. This preventive maintenance strategy further improves the overall efficiency of the equipment.
In summary, the combination of ultrasonic cutting technology and high-speed square cheese divider provides a solution for the cheese industry that combines speed and accuracy. After breaking through the production capacity threshold of 200 servings per minute, food factories can respond to the demands of the retail market on a large scale while ensuring product aesthetics and hygiene standards. In the future, with the advancement of sensor technology and material science, we are expected to see more flexible and intelligent cutting systems that can adapt to online switching of multiple specifications and shapes, making personalized production of reconstituted cheese the new normal. For dairy companies committed to enhancing competitiveness, evaluating and introducing this technology is already a strategic decision.
About Cheersonic
Cheersonic manufactures the leading portioning equipment for bakeries producing fresh and frozen desserts. Since 1998 bakers have used Cheersonic machines to cut, slice and portion cheesecake, pie, layer cake, loaves, butter, cheese, pizza, sandwichs, and more. Cheersonic offers ultrasonic cutting solutions that support start-up bakeries and high production commercial facilities alike. Small standalone machines can be used in manual baking facilities and large inline robotic solutions aid in high speed production.
Cheersonic offers many ultrasonic slicing models, both inline and offline applications, with production speeds of 80 to 1,500 cakes or pies per hour.
Cheersonic’ latest offline introductions include ultrasonic cutting with or without divider inserts between each slice. This improves the quality of the cut and makes for a much better product presentation for the customer. In addition, robotic arm improves the speed, efficiency, and accuracy of the cutting process, producing professional looking products every time.
