Pressure Roller System for Leather Skiving Machines

Product Specifications

Technical details and manufacturing context for Pressure Roller System

Definition

The Pressure Roller System is a critical component of an Industrial Leather Skiving Machine that maintains consistent pressure on leather as it passes through the skiving blade. This system ensures the leather remains flat and stable during material removal, preventing wrinkles, uneven thinning, and material slippage that could compromise the quality of the finished leather product. The system typically consists of one or more rollers mounted on adjustable spring-loaded or pneumatic mechanisms, which apply downward force on the leather surface. As the leather feeds through the machine, the rollers maintain constant contact and pressure, holding the material firmly against the feed table while the skiving blade removes material from the underside to achieve the desired thickness. The rollers are available in various diameters (80–200 mm) and widths (300–1800 mm) to match different leather sizes and processing requirements. The operating pressure is typically set between 1.0 and 1.6 MPa, with a pressure accuracy of ±0.05 MPa to ensure uniform skiving thickness. Roller hardness ranges from 60 to 90 Shore A, allowing adjustment for delicate leathers. The system is driven by a motor with power ratings from 1.5 to 7.5 kW, and operates at line speeds of 5–30 m/min. It is designed for three-phase power supply of 380–480 V AC (50/60 Hz) and operates within an ambient temperature range of 10–40 °C. The enclosure rating is IP54–IP65 for protection against dust and water jets. Roller materials include hardened steel, chrome-plated steel, and polyurethane, with chrome-plated 45# steel (per GB/T 699) for corrosion resistance. The total machine weight ranges from 500 to 2000 kg, depending on configuration. All specifications are reference values; verify model-specific data with the manufacturer.

Working Principle

The system uses one or more rollers mounted on adjustable spring-loaded or pneumatic mechanisms to apply downward force on the leather surface. As the leather feeds through the machine, the rollers maintain constant contact and pressure, holding the material firmly against the feed table while the skiving blade removes material from the underside to achieve the desired thickness.

Common Materials

Hardened steel, Chrome-plated steel, Polyurethane

Technical Parameters

Parameter	Typical range	Notes & selection driver
Roller Diameter	80–200 mm	Affects contact area and pressure distribution
Roller Width	300–1800 mm	Matches leather width
Line Speed	5–30 m/min	Higher speeds reduce dwell time
Pressure Accuracy	±0.05 MPa	Ensures uniform skiving thickness
Roller Hardness	60–90 Shore A	Softer for delicate leather
Motor Power	1.5–7.5 kW	Depends on roller width and speed
Supply Voltage	380–480 V AC	Three-phase, 50/60 HzIEC 60038
Operating Temperature	10–40 °C	Outside range affects hydraulic fluid viscosity
Enclosure Rating	IP54–IP65	Protects against dust and water jetsIEC 60529
Roller Material	45# steel	Chrome-plated for corrosion resistanceGB/T 699
Machine Weight	500–2000 kg	Depends on size and configuration

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

Pressure Roller Part
Primary contact surface that applies pressure to leather

Material: Hardened steel with chrome plating
Pressure Adjustment Mechanism
Allows precise control of applied pressure through spring or pneumatic systems

Material: Steel alloy
Mounting Bracket Part
Secures the roller system to the skiving machine frame

Material: Cast iron or steel
Bearing Assembly
Enables smooth rotation of rollers with minimal friction

Material: Stainless steel with lubricated bearings

Manufacturers of Pressure Roller System

Manufacturer profiles associated with Pressure Roller System.

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Frequently Asked Questions

What is the operating pressure range for the Pressure Roller System?

The operating pressure is typically 1.0–1.6 MPa, with a pressure accuracy of ±0.05 MPa. Always verify the exact pressure settings for your specific model.

What roller materials are available?

Rollers can be made of hardened steel, chrome-plated steel, or polyurethane. Chrome-plated 45# steel (per GB/T 699) is used for corrosion resistance. The choice depends on the leather type and processing requirements.

What are the electrical requirements?

The system requires a three-phase power supply of 380–480 V AC, 50/60 Hz, per IEC 60038. The motor power ranges from 1.5 to 7.5 kW. Ensure your facility's power supply matches these specifications.

How does the system ensure uniform skiving thickness?

The system maintains constant pressure on the leather via spring-loaded or pneumatic rollers, with a pressure accuracy of ±0.05 MPa. This prevents wrinkles and uneven thinning, ensuring consistent material removal.

Data Basis

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Preliminary Technical Classification

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pressure:	0.5 to 3.0 bar (7 to 44 psi)
other spec:	Roller speed: 5-30 m/min, Material feed rate: 2-15 m/min, Power requirement: 2.2-7.5 kW
temperature:	Ambient to 60°C (140°F)

Pressure Roller System

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