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Technical Specifications — All Three Models

Full verified parameter set for the JR-D120, JR-D200, and JR-D300 frozen and fresh meat grinders. All power supply standard is 380V / 50Hz.

How the JR Series Meat Grinder Works

The JR Series uses a gearbox-transmission auger system to feed, compress, and force meat through interchangeable perforated plates at controlled speed — the same fundamental mechanism as all commercial screw-type meat grinders, but engineered specifically for frozen meat at −18°C and high-throughput industrial operation:

① Gearbox Transmission — Low Speed, High Torque

The motor drives the auger through a gearbox transmission system rather than a direct-drive or belt arrangement. Gearbox transmission converts motor speed to the low RPM / high torque profile required for frozen meat grinding — where the auger must apply very high force to advance frozen product against the resistance of the perforated plate without stalling. The JR-D300’s 47 RPM auger speed versus the JR-D120’s 246 RPM reflects this scaling: larger frozen meat loads require lower speed and proportionally greater torque to maintain consistent feed without block-and-release events that damage the grind quality.

② Frozen Meat Processing at −18°C

Frozen meat can be fed directly into the JR Series grinder without prior thawing — including meat blocks frozen to −18°C and below. The high-torque gearbox drive maintains consistent auger feed force even against the elevated resistance of fully frozen product, reducing the frozen meat block to consistent-sized particles without destroying muscle fibre structure. This no-thaw capability eliminates the 12–24 hour thawing cycle that conventional meat grinders require before processing, directly reducing production time and cold chain handling cost per tonne.

③ Perforated Plate Particle Size Selection

The particle size of the ground meat is determined by the hole diameter of the interchangeable perforated plate installed at the grinder head. Plates with different hole diameters produce different meat particle sizes — fine for emulsified sausage, coarser for fresh or cooked sausage products requiring visible meat texture. Plate change between production runs is fast and tool-minimal, and the JR Series accepts a standard range of commercial plate hole sizes. Plates ship with each machine, with additional sizes available as accessories.

④ Minimal Temperature Rise — Freshness Preservation

The low-speed, high-torque auger and gearbox system minimises frictional heat generation during the grinding cycle — keeping meat temperature rise minimal and preserving the natural colour, flavour, and protein structure of the ground meat. This is particularly important for frozen meat processing, where controlled grinding temperature directly affects the quality of the downstream sausage emulsion and the shelf life of the finished product.

6 Core Advantages of the JR Series Meat Grinder

Structure & Material Specification

Machine Body & Food-Contact Surfaces

The entire JR Series machine — body, hopper, auger housing, auger, knife, and perforated plate — is manufactured from full stainless steel. No cast iron or mild steel components appear in any food-contact zone. The stainless construction resists the corrosion caused by meat acids, cleaning chemicals, and the sustained low-temperature environment of frozen meat processing, and meets commercial food processing hygiene standards for daily high-pressure washdown.

Gearbox Transmission System

The gearbox provides the torque multiplication required to drive the auger through frozen meat at low RPM without motor overload. The gearbox transmission approach is why the JR Series achieves a low failure rate under sustained heavy-duty operation — the motor runs within its rated load at all times because the gearbox converts motor output to the exact torque/speed profile the auger requires, rather than demanding the motor itself absorb load spikes from frozen product resistance.

Auger, Knife, and Perforated Plate Assembly

The stainless steel auger feeds meat from the hopper to the knife and perforated plate at the grinder head. The knife rotates against the perforated plate — meat is forced through the plate holes by the auger pressure, and the knife shears off each portion as it exits the hole. This produces consistently sized meat particles across the full operating speed range. Different plate hole diameters produce different particle sizes; plates are interchangeable without tools in a standard commercial maintenance procedure.

Hopper & Feed System

The stainless steel hopper accepts fresh or frozen meat blocks directly. The hopper geometry is designed to support the weight of large frozen blocks without deforming the feed channel and to maintain continuous feed to the auger — avoiding the stop-start feed events that cause overload spikes in smaller machines not designed for frozen product. The JR-D300’s 6–12 t/h capacity requires a proportionally large hopper and auger diameter to maintain steady feed at this throughput rate.

Typical Application Scenarios

The JR Series is deployed wherever meat particle preparation is required upstream of sausage filling, mixing, or emulsification:

Model Selection Guide

Select the JR model that matches your daily grinding requirement and production shift pattern:

What to Tell Us at Enquiry Stage

• Target hourly grinding capacity (tonnes/hour) and number of production shifts per day
• Meat type and condition — fresh only, frozen only, or both; block size and typical temperature
• Required particle sizes — which plate hole diameters for your product formulations
• Downstream equipment — bowl cutter, vacuum mixer, or direct sausage filler, so we can confirm output particle size compatibility
• Power supply — 380V/50Hz standard; confirm local supply standard if different

Performance Comparison — Industrial Frozen Meat Grinders

Summary: The JR Series matches the core technical capability of leading European frozen meat grinders — full stainless, gearbox transmission, frozen meat at −18°C — at a significantly lower capital cost, with the JR-D300 reaching 12 t/h capacity that exceeds comparable European models, and spare parts available in 3–5 working days versus 2–6 weeks.

Order Information & Trade Terms

Frequently Asked Questions

Get a Quote for the JR Series Meat Grinder

Whether you are adding a frozen meat grinding station to an existing sausage line, replacing an ageing grinder, or building a complete meat processing facility, our team will send a tailored model recommendation and commercial proposal within 24 hours.

We supply meat processors, equipment distributors, and engineering contractors across Russia, CIS, Europe, Southeast Asia, and the Middle East. Our SGS/TUV Rheinland supplier verification gives your procurement team the documentation needed to approve the purchase with confidence.