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移动式破碎机齿板的磨损失效分析_破碎机厂家


发布时间:2018-10-15 发布人:移动式破碎机

国内破碎机厂家生产的移动式破碎机主要用于矿山、建材、公路、水利和化学工业等很多行业,破碎抗压强度不超过320兆帕的各种物料,移动式破碎机的破碎比大,商品粒度均匀,并且无死角,提高了产值,并且组织简单,作业牢靠,噪音低,是破碎机设备中的首选。

Domestic crusher manufacturer production of jaw crusher is mainly used in mining, building material, highway, water conservancy and chemical industry in many industries, such as broken does not exceed 320 million mpa compressive strength of various materials, jaw crusher broken than large, granularity and the goods and no dead Angle, improve the output, and the organization is simple, operation reliable, low noise, is the first choice in the crusher equipment.

移动式破碎机

工作原理:
移动式破碎机工作时,电动机通过皮带轮带动偏心轴旋转,使动颚周期地靠近、离开定颚,从而对物料有挤压、搓、碾等多重破碎,使物料由大变小,逐渐下落,直至从排料口排出。颚式破碎机(颚破)主要由机体、偏心轴、连杆、颚板以及调节机构等主要部份组成,经三角带将动力传给连杆,带动活动颚板,破碎物料。出料粒度通过手轮、横杆等进行调节。
Jaw crusher work, motor through the pulley drive the eccentric shaft rotation, the moving jaw cycle to close, leave the jaw, to the material such as extrusion, rolling and run multiple broken, make material from large to small, gradually whereabouts until discharge through the discharge port. Jaw crusher (jaw broken) is mainly composed of the body, eccentric shaft, connecting rod, jaw plate as well as the regulating mechanism and so on the main part of the triangle will power to the connecting rod, drive the movable jaw board, broken material. The discharge particle size is regulated by hand wheel, cross bar, etc.

关于磨损失效分析:
Abrasion failure analysis of crusher manufacturer:

1、物料硬度及韧性的影响
破碎机厂家认为物料的硬度及韧性对移动式破碎机颚板失效有着重要影响。材料的硬度决定了物料压坑的深度和大小。材料硬度高,物料压入颚板的深度浅,颚板表层材料的变形程度小,同时物料短程滑动切削材料量也少。材料的韧性表示了其抵抗断裂的能力,材料的韧性好,可以消除物料挤压过程中的脆性断裂,并使得颚板材料在变形疲劳形成磨屑前的变形过程大大增加。
The crusher manufacturer thinks that the hardness and toughness of material have important influence on the failure of jaw plate of jaw crusher. The hardness of the material determines the depth and size of the material pit. The material has high hardness, the depth of material pressing into the jaw plate is shallow, the deion degree of the surface material of the jaw plate is small, and the amount of short-distance sliding cutting material is small. Material expressed its ability to resist fracture toughness, the toughness of the material is good, can eliminate the brittle fracture of materials extrusion process, and the jaw plate material in the ion of deion and fatigue wear debris in front of the deion process is greatly increased.

2、颚板材料的影响

颚板材料对颚板使用寿命的影响是不言而喻的。目前国内破碎机厂家广泛使用的颚板材料是高锰钢,尽管高锰钢在低应力和中应力冲击磨料磨损条件下,正部分被其它钢种所替代,但由于其生产工艺条件要求不高,原料来源广泛,目前仍在耐磨材料中占有重要地位。


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