行业组件数据 · 2026

导辊

Guide roller is a precision rotating component used in web handling systems to maintain proper material alignment, tension control, and path guidance in continuous processing machinery.

技术定义与适配语境
典型 导辊 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 guide roller is a cylindrical rotating element specifically engineered for web handling applications where continuous materials (such as films, foils, papers, textiles, or metals) are processed. It serves critical functions in dancer arm and tension sensor systems by providing low-friction support, maintaining consistent web path geometry, and enabling accurate tension measurement through controlled deflection. These rollers feature precision-ground surfaces, balanced construction, and specialized bearings to minimize vibration and ensure uniform contact pressure across the material width.

组件规格

定义
A guide roller is a cylindrical rotating element specifically engineered for web handling applications where continuous materials (such as films, foils, papers, textiles, or metals) are processed. It serves critical functions in dancer arm and tension sensor systems by providing low-friction support, maintaining consistent web path geometry, and enabling accurate tension measurement through controlled deflection. These rollers feature precision-ground surfaces, balanced construction, and specialized bearings to minimize vibration and ensure uniform contact pressure across the material width.
工作原理
Guide rollers operate on the principle of controlled rotational resistance and surface interaction. In dancer arm systems, they allow free rotation with minimal inertia to respond to tension variations, while in tension sensor applications, they transfer web tension forces to load cells through deflection measurement. The roller's surface properties (hardness, finish, coating) interact with the web material to prevent slippage, scratching, or static buildup while maintaining consistent friction coefficients.
材料
Core: Carbon steel (AISI 1045/4140) or aluminum alloy (6061-T6). Surface: Hard chrome plating (0.05-0.10mm)ceramic coating (Al2O3)or polyurethane covering (60-90 Shore A). Bearings: Precision deep groove ball bearings (ABEC 3/5) or sealed roller bearings. End caps: Stainless steel (304/316) with labyrinth seals.
Length
500-3000mm
Diameter
50-300mm
Max speed
500-2000 RPM
Load capacity
50-500 kg
Surface finish
Ra 0.2-0.8μm
Runout tolerance
±0.02mm
Static imbalance
< G6.3
Operating temperature
-20°C to 120°C
标准
ISO 1940-1DIN 55189ISO 12100DIN 55189-2

行业分类与别名

导辊 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

Inadequate lubrication->Increased rotational resistance and premature bearing wear->Implement automatic lubrication systems and use high-temperature synthetic greases
Material abrasion->Surface degradation affecting web tracking->Apply ceramic coatings or replaceable sleeve systems for high-wear applications
Thermal expansion mismatch->Binding at high operating temperatures->Design with thermal compensation features and select materials with compatible expansion coefficients

工业生态与工程逻辑

0
Surface wear leading to tracking errors
1
Bearing failure causing vibration
2
Static buildup affecting sensitive materials
3
Corrosion in humid environments
4
Imbalance at high speeds

合规与检测

tolerance
Diameter tolerance: ±0.05mm, Straightness: 0.03mm/m, Concentricity: 0.02mm TIR
test method
ISO 1940-1 balancing test, DIN 55189 surface roughness measurement, load deflection testing per manufacturer specifications

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 difference between guide rollers and idler rollers?

Guide rollers are specifically designed for active web path control and tension measurement with precision bearings and surface treatments, while idler rollers primarily provide passive support with standard construction.

How often should guide rollers be maintained?

Inspect bearings and surfaces every 500 operating hours, lubricate quarterly, and perform full calibration annually depending on operating conditions and material abrasiveness.

Can guide rollers be customized for different materials?

Yes, surface coatings, hardness, and diameters can be tailored for specific materials like delicate films, abrasive papers, or metal foils to prevent damage and ensure optimal performance.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:GUIDE_ROLLER