Ultrasonic Cutting Technology of Square Processed Cheese
Ultrasonic Cutting Technology of Square Processed Cheese: An Industrial Solution with Over 200 Portions Per Minute
In the modern food processing industry, standardized portioning of processed cheese has always been a key aspect of balancing production efficiency and product quality. With the increasing demand from the consumer market for portable, pre-packaged, and hygienic cheese products, achieving high-speed, precise, and clean cutting has become a common challenge for equipment manufacturers and food factories. The introduction of ultrasonic cutting technology, combined with a square cheese portioning machine capable of processing over 200 portions per minute, is redefining production standards in this niche market.
Traditional mechanical cutting methods have significant limitations when processing processed cheese. Due to the viscosity and elasticity of processed cheese, ordinary blades are prone to problems such as cheese sticking, rough cut surfaces, and dimensional deviations when cutting at high speeds. Frequent blade cleaning and replacement also lead to production interruptions, affecting overall efficiency. More importantly, the frictional heat generated by traditional cutting can cause localized melting of the cheese, damaging the product’s structural integrity. Ultrasonic cutting technology demonstrates significant advantages in addressing these pain points.
Ultrasonic cutting systems apply high-frequency vibrations (typically 20kHz to 40kHz) to the cutting blade, causing rapid, micron-level displacement on the blade surface. When the blade contacts the cheese, this high-frequency vibration effectively reduces the macroscopic cutting force—significantly lowering the coefficient of friction between the cheese and the blade, resulting in a smooth, flat cut with minimal crumbs or sticking. Simultaneously, because the cutting process relies almost entirely on minimal mechanical pressure, the internal structure of the cheese is protected, resulting in minimal product deformation. This characteristic is particularly important for processed cheeses, as their uniform texture and shape retention directly impact the end-consumer experience.
Integrating ultrasonic cutting technology into a square cheese portioning machine with a capacity of 200 portions per minute requires sophisticated system design. This equipment typically consists of several core modules: a continuous cheese feeding system, synchronous cross-cutting and longitudinal cutting units, a product separation and conveyor belt, and an intelligent control system. The feeding section employs a constant-temperature, constant-pressure extrusion method, ensuring that the processed cheese enters the forming channel at a constant density and temperature, forming regular square-section strips. Subsequently, the longitudinal ultrasonic cutting blade assembly first divides the material belt into strips of predetermined width. Then, the transverse ultrasonic cutting blade performs a high-frequency cut to the desired length, forming individual square cheese blocks. The synchronized coordination of these two cutting steps is crucial to ensuring a production capacity of 200 servings per minute—each cutting cycle must be completed within 0.3 seconds, with a cutting accuracy tolerance controlled within ±0.5 mm.
This high-speed and stable operation relies on a high-performance drive system and control algorithms. The servo motor-driven material conveyor belt is linked to the flying shear cutting mechanism, with encoders providing real-time position feedback to ensure consistent length for each cheese block. The ultrasonic generator provides stable power output, and the blade amplitude automatically adjusts according to the cheese’s hardness; for example, a higher amplitude is used for processed cheese recipes containing added starch or protein to ensure thorough cutting. The entire equipment is constructed of food-grade stainless steel, and the cutting area is equipped with a Clean-In-Place (CIP) interface, meeting stringent food safety regulations.
From an application perspective, a production capacity of 200 portions per minute translates to over 12,000 individually packaged square cheese blocks per hour, or nearly 100,000 portions per 8-hour shift—sufficient to match the packaging line speed of medium to large dairy companies. This efficient portioning creates continuous flow conditions for subsequent individual packaging (such as thermoforming film sealing, aluminum foil wrapping, or nitrogen-filled packaging), avoiding the deformation or contamination risks that may occur during intermediate buffering. Notably, the square shape offers higher space utilization in packaging and transportation compared to round or triangular shapes, allowing for tighter stacking within the same package size, thus reducing logistics costs.
Market data indicates that the global processed cheese market maintains an annual growth rate between 4% and 6%, with portable snack cheese products showing particularly strong growth. Square cheese blocks, due to their regular shape, are easy to hold, dip in sauces, or melt into cooking ingredients, making them popular in children’s snacks, sports nutrition, and catering ingredient scenarios. Equipment manufacturers, by providing ultrasonic cutting solutions, help food factories achieve one-step forming from large blocks of cheese to small, finished cubes, reducing personnel contact and cross-contamination risks during secondary processing.
In techno-economic analysis, although the initial investment in an ultrasonic cutting system is higher than that of a traditional mechanical blade, considering the increased blade replacement frequency, improved product yield (typically reducing edge waste by 2% to 3%), and shorter downtime for cleaning, the payback period is generally within 12 to 18 months. Furthermore, 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 portioning machines now possesses data acquisition and remote maintenance capabilities. The production management system can monitor parameters such as cutting speed, ultrasonic power, and torque in real time, automatically triggering an alarm and reminding maintenance when blade wear causes the amplitude to deviate from the threshold. This preventative maintenance strategy further improves the overall efficiency of the equipment.
In summary, the combination of ultrasonic cutting technology and high-speed square cheese portioning machines provides the processed cheese industry with a solution that combines speed and precision. Having broken through the 200 portions per minute production capacity threshold, 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 advancements in sensor technology and materials science, we can expect to see more flexible and intelligent cutting systems that adapt to online switching between multiple specifications and shapes, making personalized production of processed cheese the new normal. For dairy companies committed to enhancing their competitiveness, evaluating and introducing this technology has become 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.
