Fleshing Machine for Leather Processing

Product Specifications

Technical details and manufacturing context for Fleshing Machine

Definition

The Fleshing Machine is a critical component of the Beamhouse Module in leather manufacturing. It mechanically removes unwanted flesh, fat, and muscle tissue from the flesh side (inner side) of animal hides or skins after they have been soaked and limed. This process prepares the hide for subsequent tanning operations by creating a uniform thickness and removing materials that would interfere with chemical penetration and final leather quality. The machine operates by feeding the hide, flesh side up, between a rotating cylinder (fleshing cylinder) equipped with spiral blades or a helical blade system and a fixed bed knife or pressure roller. The hide is pressed against the rotating blades, which scrape away the flesh layer. The machine typically includes a conveyor system for feeding, tensioning devices to keep the hide flat, and a waste removal system for the scraped material. Typical specifications include a working width of 1500–3200 mm, feed speed of 8–25 m/min, fleshing roller diameter of 150–250 mm, roller speed of 500–1200 rpm, cutting tolerance of ±0.1 mm, motor power of 15–45 kW, operating pressure of 1.0–1.6 MPa, air consumption of 0.5–2.0 m³/min, electrical supply of 380–480 V AC (per IEC 60038), noise level of 75–85 dB(A) (per ISO 3746), machine weight of 3000–8000 kg, and footprint of 3000×1500×1800 to 5000×2000×2200 mm. Materials used include high-carbon steel and stainless steel. These values are reference ranges and must be verified with the legal manufacturer or supplier for specific models and applications. The machine is designed for use in leather processing facilities and is not a standalone product; it requires integration with other beamhouse equipment. Proper operation requires trained personnel and adherence to safety guidelines. Maintenance signals include unusual noise, vibration, or reduced cutting efficiency, which may indicate blade wear or misalignment. Failure boundaries include mechanical breakdown, electrical faults, or hydraulic/pneumatic system failures. Always consult the manufacturer's documentation for detailed specifications and safety instructions.

Working Principle

The machine operates by feeding the hide, flesh side up, between a rotating cylinder (fleshing cylinder) equipped with spiral blades or a helical blade system and a fixed bed knife or pressure roller. The hide is pressed against the rotating blades, which scrape away the flesh layer. The machine typically includes a conveyor system for feeding, tensioning devices to keep the hide flat, and a waste removal system for the scraped material.

Common Materials

High-carbon steel, Stainless steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Working Width	1500–3200 mm	Determines hide size capacity
Feed Speed	8–25 m/min	Affects throughput and quality
Fleshing Roller Diameter	150–250 mm	Larger diameter for better contact
Fleshing Roller Speed	500–1200 rpm	Adjustable for hide type
Cutting Tolerance	±0.1 mm	Ensures uniform flesh removal
Motor Power	15–45 kW	Higher power for thicker hides
Operating Pressure	1.0–1.6 MPa
Air Consumption	0.5–2.0 m³/min	For pneumatic controls
Electrical Supply	380–480 V AC	Three-phase, 50/60 HzIEC 60038
Noise Level	75–85 dB(A)	At operator positionISO 3746
Machine Weight	3000–8000 kg	Depends on working width
Footprint (L×W×H)	3000×1500×1800–5000×2000×2200 mm	Varies with model

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Fleshing Cylinder
Rotating cylinder with helical blades that scrapes the flesh from the hide.

Material: High-carbon steel
Bed Knife / Pressure Roller Part
Provides a counter-surface against which the hide is pressed for the fleshing action.

Material: Hardened steel
Feed Conveyor
Transports the hide into and through the machine at a controlled speed.

Material: Rubber or synthetic belt, steel rollers
Tensioning System
Applies tension to the hide to keep it flat and ensure even fleshing.

Material: Steel rollers, pneumatic or mechanical actuators
Waste Removal Chute
Channels the scraped flesh and fat away from the working area.

Material: Stainless steel

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Beamhouse Module

View system integration details

Manufacturers of Fleshing Machine

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Frequently Asked Questions

What is the working width range of a fleshing machine?

The working width typically ranges from 1500 to 3200 mm, which determines the hide size capacity. Confirm the exact value for your model with the manufacturer.

What materials are used in the construction of fleshing machines?

Common materials include high-carbon steel and stainless steel. These are used for components like blades and frames, but specific grades should be verified with the supplier.

What standards are referenced for operating pressure and electrical supply?

Operating pressure references and electrical supply references IEC 60038. These standards are for verification, not certification of compliance.

How should I verify the noise level of a fleshing machine?

Noise level is typically measured at the operator position and ranges from 75 to 85 dB(A) per ISO 3746. Always check the manufacturer's data for your specific installation.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0.5-3.0 bar (7-44 psi) hydraulic pressure range for blade/roller systems
other spec:	Slurry concentration: 5-15% solids by weight, Flow rate: 50-500 L/min depending on machine size, Hide thickness capacity: 1-10 mm
temperature:	Ambient to 60°C (140°F) for typical operation, with cooling systems recommended above 40°C (104°F) to prevent leather damage

Fleshing Machine

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards