Cutting Blade / Shear

Product Specifications

Technical details and manufacturing context for Cutting Blade / Shear

Definition

The cutting blade/shear is a critical component within hydraulic cutting mechanisms that performs the actual material separation function. It consists of one or more hardened steel blades that move against a stationary or opposing blade to create a shearing action, powered by hydraulic pressure to generate the necessary cutting force for various industrial materials. This component is typically used in hydraulic shears, guillotine cutters, and similar machinery within the machinery and equipment manufacturing sector. The blade is manufactured from high-carbon tool steel, tungsten carbide, or high-speed steel, each offering different trade-offs between hardness, toughness, and wear resistance. Key parameters include blade length (300–3000 mm), blade thickness (10–50 mm), cutting capacity for steel (5–40 mm), cutting speed (10–60 mm/s), blade hardness (HRC 50–60), operating temperature (-20 to 80 °C), blade material (Cr12MoV per GB/T 1299), and weight (50–500 kg). These values are reference ranges and must be confirmed for the specific model and application. The blade's performance depends on proper alignment, sharpness, and hydraulic system pressure. Selection requires consideration of material type, thickness, and required cutting force. Verification of specifications and compliance with standards should be done with the legal manufacturer or supplier. Maintenance signals include dulling, chipping, or cracking, which affect cut quality and may indicate need for sharpening or replacement. Failure boundaries include excessive wear, deformation, or fracture due to overloading or improper use.

Working Principle

The blade operates through hydraulic pressure transmitted from the hydraulic system to a cylinder, which moves the cutting blade against a fixed blade or material. The sharp edge concentrates force along a narrow line, creating high pressure that exceeds the material's shear strength, resulting in clean separation with minimal deformation. The hydraulic system provides controlled force and speed, allowing precise cutting. The blade's geometry and material hardness are critical to maintaining edge sharpness and resisting wear. Proper clearance between blades and alignment ensures efficient shearing action.

Common Materials

High-carbon tool steel, Tungsten carbide, High-speed steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Blade Length	300–3000 mm	Determines max cutting width
Blade Thickness	10–50 mm	Affects rigidity and cutting force
Cutting Capacity	5–40 mm	Max material thickness for steel
Cutting Speed	10–60 mm/s	Affects productivity
Blade Hardness	HRC 50–60 HRC	Higher hardness improves wear resistance
Operating Temperature	-20–80 °C	Outside range may affect material properties
Blade Material	Cr12MoV	High carbon chromium steel for wear resistanceGB/T 1299
Weight	50–500 kg	Affects installation and handling

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

Cutting Edge Part
Primary contact surface that performs material separation through concentrated force application

Material: Hardened steel or carbide
Blade Body Part
Structural support that withstands hydraulic pressure and maintains blade rigidity during cutting operations

Material: High-strength alloy steel
Mounting Interface Part
Connection point that attaches the blade to the hydraulic actuator or cutting mechanism frame

Material: Machined steel

Applied To / Applications

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

Hydraulic Cutting Mechanism

View system integration details

Manufacturers of Cutting Blade / Shear

Manufacturer profiles associated with Cutting Blade / Shear.

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Frequently Asked Questions

What materials are used for cutting blades?

According to the directory, cutting blades can be made from high-carbon tool steel, tungsten carbide, or high-speed steel. The specific material grade listed is Cr12MoV, a high carbon chromium steel, per GB/T 1299. The choice depends on the application requirements for hardness, toughness, and wear resistance.

What is the typical cutting capacity of these blades?

The cutting capacity for steel is listed as 5–40 mm, but this is a reference range. The actual capacity depends on the blade design, material, and hydraulic system. Always confirm with the manufacturer for your specific model.

How should I verify the operating pressure specification?

For your application, check the hydraulic system's pressure rating and ensure it matches the blade's requirements. Consult the manufacturer for exact values.

What are common signs that a cutting blade needs maintenance?

Common signs include reduced cut quality, increased burr formation, visible dulling, chipping, or cracking. These may indicate the need for sharpening or replacement. Also, unusual noises or vibrations during operation can signal misalignment or wear. Regular inspection is recommended.

Data Basis

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

Preliminary Technical Classification

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pressure:	Up to 300 bar
flow rate:	10-500 L/min
temperature:	-20°C to 150°C
slurry concentration:	Up to 40% solids by weight

Product Specifications

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