Application Scope of Flat Burrs in Coffee Grinders of Different Sizes (75mm, 80mm, 83mm, 90mm, 98mm)
2025-12-08
1. 75mm Flat Burrs: Cost-Effective Transition for Commercial Use
As a "bridge size" between small commercial and large burrs, 75mm flat burrs are a cost-effective choice for mid-to-high-volume specialty coffee shops. They can handle 200-400 drinks per day and grind 75-100 drinks per hour during peak hours, easily meeting the demand of busy periods. The relatively large burr diameter allows for low-speed operation, which reduces heat generation, prevents the volatilization of aromatic oils in coffee beans, and ensures uniform particle size—laying the foundation for balanced extraction of espresso. However, if running continuously for more than 40 minutes, it is recommended to equip a cooling fan to avoid motor overheating. This size is suitable for small and medium-sized cafes that pursue professional grinding quality while controlling equipment costs and volume.
2. 80mm Flat Burrs: Mainstream Configuration for High-Volume Commercial Use
80mm flat burrs are the mainstream choice for high-volume commercial scenarios, specifically designed for busy cafes and espresso bars. For example, the Mahlkönig E80W GBS grinder equipped with 80mm flat burrs features active temperature control technology, offering fast grinding speed (7-8 g/s at 60Hz) and stable performance. Its "grind-by-sync" function can link with commercial espresso machines, automatically adjusting burr spacing to ensure consistent extraction time for each espresso shot. Ditting's 80mm cast steel flat burrs have a service life of approximately 2500kg, capable of withstanding long-term high-intensity use in commercial settings. Overall, this size balances efficiency and stability, making it an ideal configuration for large cafes and chain coffee brands with high customer flow.
3. 83mm Flat Burrs: All-Rounder for Professional Commercial and High-End Home Use
83mm flat burrs are a high-performance option that balances precision and versatility, suitable for professional commercial and high-end home scenarios. The larger grinding area ensures efficient cutting and precise particle distribution, reducing powder clumping. For instance, grinders such as Gemilai 9026A and Kaji DF83V equipped with 83mm flat burrs can enhance the layered flavor of coffee and improve extraction efficiency. Rancilio's Bond series grinders with 83mm flat burrs support three programmable dose settings and digital grinding size adjustment, ideal for professional baristas to make various specialty coffees. Additionally, their excellent grinding uniformity performs well in pour-over coffee, highlighting the delicate floral and fruity notes of coffee beans. This size is widely used in high-end specialty coffee shops, small boutique cafes, and among senior coffee enthusiasts pursuing professional-level home brewing.
4. 90mm Flat Burrs: Versatile Choice for High-End Home and Small-to-Medium Commercial Use
90mm flat burrs offer excellent grinding stability and efficiency, serving as a versatile choice for high-end home and small-to-medium commercial scenarios. For example, POTU's 90mm flat burr grinder is suitable for both pour-over and espresso, with carbon steel burrs ensuring consistent grinding quality. Wendougee's RK ONE-90 grinder with 90mm flat burrs (upgradeable to titanium plating) has a grinding speed of 4.8g/s, equipped with an OLED display and weight-sensing technology—ideal for professional barista competitions and high-end home bars. The 90mm titanium alloy flat burrs used in the Tupo Xiaofushi grinder feature 19 adjustable grinding levels and fast powder output, improving the serving efficiency of Single Origin Espresso (SOE) products in small cafes. Overall, it caters to users pursuing high precision in both home and commercial environments.
5. 98mm Flat Burrs: Heavy-Duty Option for Industrial and Large-Scale Commercial Use
98mm flat burrs are heavy-duty options focusing on ultra-high capacity and durability, designed for industrial and large-scale commercial scenarios. The large-diameter burrs minimize heat generation during grinding while maximizing efficiency. For example, the PFS-98 industrial grinder with 98mm titanium-coated flat burrs has a grinding capacity of 30kg per hour, suitable for coffee factories and large chain coffee central kitchens requiring batch grinding. Ditting's 98mm cast steel flat burrs have a service life of approximately 6000kg, with customizable tooth shapes to meet grinding needs for various brewing methods from espresso to French press. Additionally, the 98mm flat burr grinder launched by Balio is equipped with an electronic quantitative control system, ensuring consistent coffee flavor during large-volume grinding—it is a core piece of equipment for large-scale coffee production sites.
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Application Scope of Flat Burrs in Coffee Grinders of Different Sizes (40mm, 54mm, 60mm, 64mm, 65mm)
The diameter of flat burrs in coffee grinders directly determines grinding efficiency, particle uniformity, and application scenarios — smaller burrs are more suitable for small-batch, precision-controlled grinding, while larger burrs tend to handle high-load, large-scale operations. The "shear grinding" characteristic of flat burrs exhibits differentiated advantages across different sizes: small-sized burrs focus on fineness, while large-sized burrs prioritize stability and productivity. Below is a detailed analysis of five mainstream sizes: 40mm, 54mm, 60mm, 64mm, and 65mm.
This article focuses on three mainstream cone burr sizes (38mm, 44.6mm, 48mm) in coffee grinders. It analyzes from aspects such as structural characteristics, performance, applicable scenarios and flavor adaptability, compares the advantages and limitations of different-sized cone burrs in daily home use, advanced use, large-scale commercial use and other scenarios, and provides practical guidance for coffee lovers and practitioners to choose the right grinder cone burrs.
Ours Conical Coffee Grinder Burr set will never let you down, best for a Household Coffee Machine .
FFDBURR conical burr sets are prefectly for household electric Espresso coffee machines
FFDBURR conical burr sets are prefectly for household electric Espresso coffee machines
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