How do the movable and fixed jaw plates work together to crush materials?
Release time:
2025-04-28 08:32
Jaw crushers, as key equipment in the coarse crushing stage of materials, are widely used in mining, construction, and other fields. Their core working principle is to crush materials by the collaborative action of the moving jaw plate and the fixed jaw plate within a V-shaped crushing chamber formed by two high-manganese steel jaw plates, achieving crushing through squeezing.
Core Component Analysis
● Jaw crusher fixed and moving plates: Including the fixed jaw plate (installed on the frame) and the moving jaw plate (connected to the drive mechanism), both are made of high-manganese steel and can be replaced to adapt to different materials.
● Jaw crusher side wear plates: Wear-resistant components located inside the frame, protecting the equipment from impact and wear caused by materials.
● Wedge system: Some models use wedges to fix the jaw crusher fixed and moving plates, ensuring stability, and replaceable after wear.
Key Parameters
● Bite angle: The angle between the two high-manganese steel jaw plates, directly affecting crushing efficiency and overload protection capability.
● Open-side setting (OSS): The maximum distance between the jaw crusher fixed and moving plates when stationary, determining the initial crushing particle size.
● Closed-side setting (CSS): The minimum distance, jointly controlled by OSS and stroke.
Jaw Die Selection Guide
Select the jaw crusher fixed and moving plate tooth shape according to material properties (such as hardness and particle size):
Super teeth: Suitable for high-hardness rocks (such as granite).
Quarry teeth: General purpose, balancing crushing efficiency and wear resistance.
Multi-tooth design: Specifically for recycling lightweight materials (such as construction waste).
Application Scenarios
From river pebbles to asphalt regeneration, the diversified design of jaw crusher fixed and moving plates enables the equipment to handle various working conditions, while the protective function of the jaw crusher side wear plates further extends the service life of the entire machine.
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The main products of Duma Machinery include: rolling mortar wall, crushing wall and material dividing plate of cone crusher; jaw plate, side guard plate and pressing strip of jaw crusher; lining plate of ball mill, autogenous mill and other equipment; plate hammer and impact plate of impact crusher; hammer head, screen strip, lining block and other wear-resistant alloy steel parts of metal crusher.
Contact Information
Jiangxi Duma Machinery Manufacturing Co., Ltd.
Address: No.15, Jinhui Road, High-tech Zone, Yushan County, Jiangxi Province
Mobile:13957606188
Telephone:0793-2238555
Mailbox:ceo@dumajx.cn
Chinese website:Duma. Website Wear parts. Website
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