Fish Cutting Machine

Industrial Fish Cutting Machine: Servo-Driven Portioning for Retail-Ready Steaks

The FCS-600 Fish Cutting Machine delivers precise, repeatable cross-sectional cuts on whole round fish and headed-gutted (H&G) bodies, producing uniform bone-in steaks and portioned segments for retail tray-packing, foodservice distribution, and canning pre-processing. Unlike manual band saw operations where portion weight varies by as much as 30 percent between operators, the servo-controlled conveyor indexing system on this unit maintains steak thickness accuracy within a 2mm tolerance window across continuous production runs. A single FCS-600 replaces four to five manual cutting stations while simultaneously eliminating the severe repetitive-strain injury risk inherent in hand-held circular saw operations.

FCS-600 Automatic Fish Portioning System Specifications

Servo Indexing Logic: Achieving Weight-Consistent Portions

Retail buyers and canning operations impose rigid weight-per-portion specifications. A 2-gram deviation across a 10,000-piece production lot triggers costly batch rejections. The FCS-600 addresses this through a fundamentally different mechanical philosophy than conventional gravity-feed band saws.

• Programmable Thickness via HMI: The operator inputs the desired steak thickness (from 15 mm to 80 mm) directly into a 7-inch color touchscreen. The servo motor calculates the precise belt advancement distance required, then physically indexes the fish body forward by that exact measurement before initiating each cut cycle. Up to 20 different species-specific cutting programs can be saved and instantly recalled.
• High-Speed Circular Blade: A 400 mm diameter SUS316L blade spins at 2800 RPM, driven by a dedicated 3.0 KW spindle motor. The extremely high peripheral speed produces a clean, fracture-free cut through both flesh and vertebral bone, leaving smooth steak faces that present well in transparent retail packaging without requiring secondary trimming.
• Self-Centering V-Channel: The infeed conveyor features a stainless V-shaped trough that passively aligns irregular fish bodies along their gravitational centerline. This eliminates the angular cutting errors that plague flat-belt systems when processing tapered or curved fish bodies.

Frozen and Fresh: Dual-Mode Processing Capability

Seasonal catch fluctuations force many processors to alternate between fresh landings and frozen inventory. The FCS-600 handles both states without requiring blade changeover. For fresh fish at 0 to 4 degrees Celsius, the standard blade speed and feed rate produce clean, juice-retaining cuts. For semi-frozen blocks tempered to -5 degrees Celsius, the operator simply selects the "Hard Mode" preset on the HMI, which reduces the conveyor index speed by 40 percent and increases the blade engagement pressure. This prevents the catastrophic blade deflection and splintering that destroys portion geometry when standard equipment encounters partially frozen spinal columns.

Upstream and Downstream Line Connectivity

Efficient factory throughput depends entirely on eliminating manual transfer between workstations. The FCS-600 intake hopper height is engineered at 850 mm, matching the standard discharge elevation of upstream heading, gutting, and scaling stations. Processed steaks exiting the discharge belt can be routed directly onto weighing and grading conveyors, or channeled into tray-sealing stations. Facilities operating comprehensive fish processing line architectures frequently position the FCS-600 immediately after the primary cleaning phase, establishing a fully automated pathway from whole fish reception to portion-packed finished goods. For operations that also require fillet production alongside steak portioning, the machine pairs efficiently with an automatic fish filleting machine running on a parallel conveyor branch.

Blade Safety Architecture and Washdown Compliance

A 400 mm circular blade rotating at 2800 RPM presents a severe laceration hazard. The FCS-600 incorporates a multi-layer safety system that exceeds standard CE machinery directive requirements. A full stainless steel blade guard physically encases the cutting disc, exposing only the narrow 25 mm arc that contacts the fish body during the active cut stroke. Dual magnetic interlock sensors on the guard panel kill the spindle motor in under 0.3 seconds if the cover is displaced during operation. The entire electrical cabinet is IP66 rated, permitting aggressive daily foam-and-rinse sanitation protocols. All external fasteners use captive stainless hex bolts to prevent foreign metal contamination in the processing environment.