manufactural specifiion of jaw crusher

The manufacturing specification of a jaw crusher outlines the technical details, design parameters, materials, and performance criteria required for its production. Below is a structured breakdown of key specifications:

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1. General Specifications
– Type: Primary or Secondary Crusher
– Crushing Mechanism: Compression (Fixed & Movable Jaw Plates)
– Feed Opening Size: (e.g., 600×900 mm, 1200×1500 mm)
– Max Feed Size: Typically 80–85% of the feed opening
– Discharge Setting Range: Adjustable via toggle mechanism (e.g., 20–250 mm)

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2. Mechanical Specifications
# A. Jaw Plates
– Material: High manganese steel (Mn14–Mn22), TIC inserts for abrasion resistance
– Design: Reversible/tooth profiles for different materials

# B. Frame
– Construction: Welded steel plate or cast steel (for heavy-duty models)
– Reinforcements: Ribbed design for stress distribution

# C. Eccentric Shaft
– Material: Forged alloy steel (e.g., 42CrMo4)
– Bearings: Spherical roller bearings for heavy radial/axial loads

# D. Toggle Plate
– Material: Cast iron or steel with safety shear pins

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3. Performance Specifications
– Capacity: 50–1,600 TPH (varies with feed size and closed-side setting)
– Power Requirement: 30–300 kW (depends on size and material hardness)
– Crushing Ratio: Typically 6:1 to 8:1

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4. Operational Parameters
– Speed of Eccentric Shaft: 250–300 RPM (for standard models)
– Stroke Length: Adjustable (~20–60 mm)
– Operating Angle: Fixed jaw angle ~22°–28°

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5. Electrical & Drive System
– Motor Type: AC induction motor/V-belt drive