行业组件数据 · 2026

窗口衬套

Window liner is a precision component in rolling mill stand housings that provides structural support and wear protection for the window opening where rolls and bearings are mounted.

技术定义与适配语境
典型 窗口衬套 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。

A window liner is a critical structural component installed within the window openings of rolling mill stand housings. It serves as an interface between the housing and the roll assembly, providing precise alignment surfaces for roll chocks and bearings while protecting the housing from wear, deformation, and stress concentrations during high-load rolling operations. The component ensures dimensional stability and maintains proper clearances under extreme mechanical and thermal conditions.

组件规格

定义
A window liner is a critical structural component installed within the window openings of rolling mill stand housings. It serves as an interface between the housing and the roll assembly, providing precise alignment surfaces for roll chocks and bearings while protecting the housing from wear, deformation, and stress concentrations during high-load rolling operations. The component ensures dimensional stability and maintains proper clearances under extreme mechanical and thermal conditions.
工作原理
The window liner functions by distributing rolling forces evenly across the housing structure, preventing localized stress concentrations that could lead to fatigue failure. It maintains precise geometric tolerances for roll positioning, ensuring consistent product quality. During operation, it absorbs vibration and minimizes friction between moving parts, while its replaceable nature allows for maintenance without compromising the integrity of the main housing structure.
材料
Typically manufactured from high-strength alloy steels (e.g.42CrMo434CrNiMo6) or specialized wear-resistant materials. Common specifications include: forged or cast steel with hardness 280-350 HBsurface treatments like nitriding or hard chrome plating for enhanced wear resistanceand dimensional tolerances per ISO 2768-m.
Hardness
280-350 HB
Dimensions
Customized to mill housing window size
Load Capacity
Up to 15,000 kN
Surface Finish
Ra 1.6-3.2 μm
Flatness Tolerance
0.05 mm per 1000 mm
Operating Temperature
-20°C to 200°C
Parallelism Tolerance
0.02 mm per 1000 mm
标准
ISO 286-2DIN 8606ISO 2768-m

行业分类与别名

窗口衬套 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 from abrasive particles->Loss of dimensional accuracy leading to roll misalignment->Regular inspection, use of wear-resistant materials, proper sealing to prevent contamination
Improper installation or mounting->Uneven load distribution causing housing damage->Precision installation procedures, torque verification, alignment checks
Material fatigue from cyclic loading->Crack formation and potential catastrophic failure->Proper material selection, stress analysis during design, regular non-destructive testing

工业生态与工程逻辑

0
Wear and dimensional degradation over time
1
Improper installation causing misalignment
2
Material fatigue under cyclic loading
3
Thermal expansion mismatch with housing
4
Corrosion in humid environments

合规与检测

tolerance
Geometric tolerances per ISO 1101, dimensional tolerances per ISO 286-2, surface finish per ISO 1302
test method
Dimensional verification with CMM, hardness testing per ISO 6506, ultrasonic testing for internal defects per ISO 17640, surface inspection per visual standards

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 primary function of a window liner in rolling mills?

The primary function is to protect the housing window from wear and deformation while providing precise alignment surfaces for roll chocks and bearings, ensuring consistent rolling performance.

How often should window liners be inspected or replaced?

Inspection should occur during scheduled maintenance (typically every 6-12 months), with replacement needed when wear exceeds 0.5mm or when surface damage affects roll alignment.

Can window liners be customized for different rolling mill types?

Yes, they are typically custom-engineered for specific mill designs, considering factors like housing dimensions, rolling forces, material being processed, and operating conditions.

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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。

请求制造能力信息: 窗口衬套

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

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URN:CNFX:ME:UNIT:WINDOW_LINER