行业组件数据 · 2026

惰轮

An idler wheel is a rotating component in track systems that guides and supports the track without transmitting power.

技术定义与适配语境
典型 惰轮 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 idler wheel is a critical component in tracked vehicle undercarriage systems, positioned at the front or rear of the track frame. It maintains proper track tension, guides the track's path, and supports the track's weight during operation. Unlike drive sprockets, idler wheels are non-powered and rotate freely as the track moves. They ensure smooth track alignment, reduce friction, and prevent derailment during vehicle movement over various terrains.

组件规格

定义
The idler wheel is a critical component in tracked vehicle undercarriage systems, positioned at the front or rear of the track frame. It maintains proper track tension, guides the track's path, and supports the track's weight during operation. Unlike drive sprockets, idler wheels are non-powered and rotate freely as the track moves. They ensure smooth track alignment, reduce friction, and prevent derailment during vehicle movement over various terrains.
工作原理
The idler wheel operates on the principle of free rotation and track guidance. As the track moves over the undercarriage, the idler wheel rotates on its bearings, providing a smooth surface for the track to pass over. It maintains consistent track tension through adjustable mounting mechanisms (often with tensioning cylinders or screws) and ensures proper track alignment by keeping the track centered on the rollers and sprockets. The wheel's diameter and position determine the track's wrap angle and overall system geometry.
材料
High-strength alloy steel (typically ASTM A572 Grade 50 or equivalent)hardened to 45-55 HRC for wear resistance. Sealed roller bearings with rubber or polyurethane seals. Optional rubber or polyurethane rims for noise reduction and shock absorption in certain applications.
Width
100-250 mm
Diameter
300-800 mm
Bearing Type
Tapered roller bearings with triple-lip seals
Bore Diameter
50-120 mm
Mounting Type
Adjustable tensioning bracket with grease fittings
Weight Capacity
5-20 tons per wheel
标准
ISO 5687DIN 740

行业分类与别名

惰轮 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 of bearings->Bearing seizure leading to wheel lock-up->Implement scheduled lubrication every 100 hours using high-temperature grease
Excessive track tension->Accelerated flange wear and increased power consumption->Install automatic tension monitoring systems and follow manufacturer tension specifications
Impact damage from rocks or debris->Cracked wheel hub or bent axle->Install protective guards and operate within recommended speed limits for terrain conditions

工业生态与工程逻辑

0
Premature wear from improper track tension
1
Bearing failure due to contamination
2
Track derailment from misaligned idler
3
Structural fatigue from impact loads

合规与检测

tolerance
±0.5 mm on bore diameter, ±1.0 mm on overall diameter, radial runout < 0.3 mm
test method
Dimensional verification per ISO 2768-m, hardness testing per ASTM E18, dynamic load testing at 150% of rated capacity for 100,000 cycles

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 an idler wheel and a drive sprocket?

Idler wheels guide and tension the track without transmitting power, while drive sprockets are powered components that propel the track through engagement with track links.

How often should idler wheels be inspected?

Inspect idler wheels every 250 operating hours for wear, bearing play, and seal integrity. Replace when flange wear exceeds 30% of original thickness or when bearings show excessive play.

Can idler wheels be rebuilt or must they be replaced?

Idler wheels with replaceable bearings and seals can often be rebuilt. However, wheels with significant wear on the running surface or structural damage typically require complete replacement.

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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
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:IDLER_WHEEL