行业组件数据 · 2026

钢芯

Steel core is the central structural component of a leather belt tensioner pulley, providing rigidity, dimensional stability, and load-bearing capacity for proper belt tensioning in industrial machinery.

技术定义与适配语境
典型 钢芯 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 steel core is the foundational metallic component at the center of a leather belt tensioner pulley assembly. It serves as the load-bearing structure that supports the pulley's rotational function, maintains precise alignment with the belt path, and withstands radial and axial forces generated during operation. Typically manufactured through precision machining or forging processes, it ensures the pulley maintains consistent tension on leather belts in power transmission systems, preventing slippage, vibration, and premature wear.

组件规格

定义
The steel core is the foundational metallic component at the center of a leather belt tensioner pulley assembly. It serves as the load-bearing structure that supports the pulley's rotational function, maintains precise alignment with the belt path, and withstands radial and axial forces generated during operation. Typically manufactured through precision machining or forging processes, it ensures the pulley maintains consistent tension on leather belts in power transmission systems, preventing slippage, vibration, and premature wear.
工作原理
The steel core functions as the rigid backbone of the tensioner pulley. It rotates on bearings mounted within its central bore, maintaining constant pressure against the leather belt through an external spring or hydraulic mechanism. This pressure compensates for belt stretch, thermal expansion, and dynamic loads, ensuring optimal contact between the belt and pulley surface for efficient power transfer without excessive tension that could damage the leather material.
材料
Typically made from medium-carbon steel (AISI 10454140) or alloy steel (AISI 8620) with hardness ranging from 25-40 HRC. Surface treatments include zinc platingphosphate coatingor black oxide finish for corrosion resistance. Some applications use stainless steel (AISI 304316) for harsh environments.
Width
15-50 mm
Weight
0.2-3.5 kg
Maximum RPM
3000-8000
Bore Diameter
12-40 mm
Concentricity
0.03 mm max
Load Capacity
200-1500 N
Outer Diameter
50-200 mm
Surface Finish
Ra 1.6-3.2 μm
Runout Tolerance
±0.05 mm
标准
ISO 9001DIN 6885ISO 286-2DIN 7154

行业分类与别名

钢芯 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 surface protection->Corrosion pitting leading to imbalance and vibration->Apply corrosion-resistant coatings and specify proper material grades for operating environment
Excessive radial load beyond design limits->Permanent deformation or fracture of steel core->Implement load monitoring systems and regular inspection protocols
Improper bore machining tolerances->Bearing misalignment causing premature wear and noise->Adhere to ISO/DIN tolerance standards and implement quality control checks

工业生态与工程逻辑

可替换件
0
Corrosion in humid environments
1
Fatigue failure from cyclic loading
2
Bearing seizure due to improper lubrication
3
Dimensional instability from thermal expansion

合规与检测

tolerance
ISO IT7 grade for bore diameter, ISO IT8 for outer diameter, geometric tolerances per ISO 1101
test method
Dimensional verification with CMM, hardness testing per ISO 6508, surface roughness measurement per ISO 4287, dynamic balance testing per ISO 1940-1

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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

Why is steel preferred for tensioner pulley cores in leather belt applications?

Steel provides optimal strength-to-weight ratio, dimensional stability under load, and resistance to deformation from constant tensioning forces, which is crucial for maintaining precise belt alignment with flexible leather materials.

How does the steel core affect leather belt lifespan?

A properly manufactured steel core ensures consistent tension distribution, preventing localized stress points that could cause accelerated wear, cracking, or stretching of the leather belt material.

Can aluminum be substituted for steel in tensioner pulley cores?

While aluminum offers weight reduction, it's generally not recommended for leather belt applications due to lower stiffness and higher thermal expansion, which can lead to inconsistent tension and premature belt wear.

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CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:STEEL_CORE