行业组件数据 · 2026

辊筒外壳/主体

The cylindrical outer casing of main crushing rollers that houses internal mechanisms and provides structural integrity during material processing.

技术定义与适配语境
典型 辊筒外壳/主体 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 roller shell/body is the primary structural component of main crushing rollers in industrial processing equipment, designed to withstand high compressive forces, abrasion, and rotational stresses while maintaining precise dimensional stability. It serves as the interface between processed materials and internal crushing mechanisms, featuring engineered surfaces for optimal material flow and wear resistance.

组件规格

定义
The roller shell/body is the primary structural component of main crushing rollers in industrial processing equipment, designed to withstand high compressive forces, abrasion, and rotational stresses while maintaining precise dimensional stability. It serves as the interface between processed materials and internal crushing mechanisms, featuring engineered surfaces for optimal material flow and wear resistance.
工作原理
The roller shell/body rotates around a central axis, transmitting torque from drive systems while applying compressive forces to materials. Its cylindrical geometry creates a controlled crushing zone where materials are compressed between the shell surface and opposing surfaces, with precise clearance adjustments enabling controlled particle size reduction.
材料
High-chromium cast iron (HCCI) with 15-30% chromium contenthardened to 58-65 HRCalternative materials include forged alloy steel (AISI 4140/4340) with surface hardening or tungsten carbide overlays for extreme abrasion resistance.
Length Range
500-4000 mm
Load Capacity
50-500 kN
Diameter Range
200-1500 mm
Surface Finish
Ra 0.8-3.2 μm
Wall Thickness
25-150 mm
Surface Hardness
58-65 HRC
Concentricity Tolerance
±0.05 mm
Maximum Rotational Speed
300 RPM
Maximum Operating Temperature
250°C
标准
ISO 12100ISO 13849DIN 8580DIN 8589

行业分类与别名

辊筒外壳/主体 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

Material fatigue from cyclic compressive loading->Radial cracking leading to shell fragmentation->Implement regular non-destructive testing (ultrasonic/eddy current), maintain load within design limits, and use materials with proper fatigue resistance
Abrasive wear from processed materials->Progressive material loss affecting crushing geometry and efficiency->Apply wear-resistant overlays, implement proper material feed control, and establish preventive replacement schedules based on wear measurements

工业生态与工程逻辑

0
Catastrophic failure under overload conditions
1
Progressive wear leading to dimensional inaccuracy
2
Fatigue cracking from cyclic loading
3
Material contamination from shell degradation

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, concentricity within 0.05 mm TIR, surface hardness variation within ±2 HRC
test method
Ultrasonic thickness testing per ASTM E797, hardness testing per ASTM E18, dimensional verification with CMM per ISO 10360, NDT per ASTM E1444

制造该组件的工厂

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

What is the typical service life of a roller shell/body?

Service life varies from 2,000 to 10,000 operating hours depending on material processed, operating conditions, and maintenance practices, with chromium cast iron typically lasting 5,000-8,000 hours in standard applications.

How is wear monitored on roller shells?

Wear is monitored through regular dimensional measurements, vibration analysis, and surface inspection using ultrasonic thickness gauges and profilometers, with replacement typically recommended when wall thickness reduces by 20-30% of original specifications.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

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URN:CNFX:ME:UNIT:ROLLER_SHELL_BODY