行业组件数据 · 2026

破碎壁

The mantle is the moving crushing surface in a cone crusher that gyrates against the concave to crush rocks and minerals.

技术定义与适配语境
典型 破碎壁 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

The mantle is a critical wear component in a cone crusher, mounted on the main shaft and covered by a manganese steel liner. It performs a gyrating motion within the stationary concave, creating a progressively narrowing crushing chamber. As feed material enters the top, the mantle's eccentric movement compresses and fractures rocks through a combination of impact, compression, and attrition forces, reducing them to the desired size before discharge through the bottom setting.

组件规格

定义
The mantle is a critical wear component in a cone crusher, mounted on the main shaft and covered by a manganese steel liner. It performs a gyrating motion within the stationary concave, creating a progressively narrowing crushing chamber. As feed material enters the top, the mantle's eccentric movement compresses and fractures rocks through a combination of impact, compression, and attrition forces, reducing them to the desired size before discharge through the bottom setting.
工作原理
The mantle operates on the principle of gyratory crushing. Driven by an eccentric assembly, it performs a circular rocking motion while rotating on its axis. This creates an elliptical path that repeatedly approaches and recedes from the stationary concave liner. Material is crushed through compressive forces in the narrowing gap (crushing zone) and falls by gravity when the gap widens (discharge zone), with the crushing action occurring in cycles throughout each revolution.
材料
Austenitic manganese steel (typically 12-14% Mn1.2-1.4% C) with possible additions of chromium (1.5-2.5%) or molybdenum for enhanced wear resistance in abrasive applications. Heat treated to achieve optimal hardness (180-240 HB) and toughness.
Height
300-1500 mm
Weight
500-15,000 kg depending on crusher size
Diameter
600-3000 mm
Service Life
200,000-1,000,000 tons depending on material abrasiveness
Mounting Type
Head nut and burning ring or hydraulic clamping
Liner Thickness
50-200 mm
标准
ISO 21873-1DIN 22101

行业分类与别名

破碎壁 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Excessive wear in specific zones->Reduced crushing efficiency, increased power consumption, poor product gradation->Implement regular wear measurement, optimize feed distribution, use wear-resistant alloys, maintain proper closed-side setting
Crack propagation from stress concentrations->Catastrophic fracture, damage to main shaft and head assembly->Proper heat treatment during manufacturing, avoid impact loading, monitor for early crack detection, follow torque specifications during installation
Liner loosening due to improper tightening->Liner movement causing uneven wear, potential ejection of components->Follow manufacturer tightening procedures, use calibrated torque wrenches, implement regular bolt tension checks, use proper locking compounds

工业生态与工程逻辑

0
Wear and tear from abrasive materials
1
Fatigue cracking from cyclic loading
2
Improper installation causing imbalance
3
Thermal damage from insufficient cooling
4
Corrosion in wet processing environments

合规与检测

tolerance
Dimensional tolerance ±0.5mm on critical surfaces, concentricity within 0.2mm TIR, surface finish Ra 3.2μm on mounting surfaces
test method
Ultrasonic testing for internal defects, hardness testing (Brinell/Rockwell), dimensional verification with CMM, chemical analysis via spectrometry, magnetic particle inspection for surface cracks

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来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

How often should a cone crusher mantle be replaced?

Replacement frequency depends on material abrasiveness, throughput, and maintenance practices. Typically every 200,000-800,000 tons. Monitor wear regularly and replace when liner thickness reaches 60-70% of original or when product quality deteriorates.

What causes premature mantle failure?

Common causes include improper feed distribution, tramp metal contamination, incorrect CSS settings, excessive speed, material packing, poor manganese quality, and inadequate maintenance of lubrication and hydraulic systems.

Can mantles be reversed or rotated to extend life?

Yes, many mantles can be rotated 180° to utilize unworn sections. Some designs allow multiple rotations. Always follow manufacturer guidelines for maximum utilization while maintaining proper geometry.

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CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:MANTLE