行业组件数据 · 2026

安装耳轴/环形齿轮

A mounting trunnion/ring gear is a critical rotating support and power transmission component in mixing drums, enabling controlled rotation and torque transfer.

技术定义与适配语境
典型 安装耳轴/环形齿轮 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 mounting trunnion/ring gear assembly is a dual-function mechanical component integral to mixing drum systems. It consists of a robust trunnion (a cylindrical projection) that provides rotational support and alignment for the drum, integrated with or mated to a ring gear (an annular gear) that transmits torque from the drive system. This assembly ensures the drum rotates smoothly on its axis while handling significant radial loads and torsional forces during mixing operations.

组件规格

定义
The mounting trunnion/ring gear assembly is a dual-function mechanical component integral to mixing drum systems. It consists of a robust trunnion (a cylindrical projection) that provides rotational support and alignment for the drum, integrated with or mated to a ring gear (an annular gear) that transmits torque from the drive system. This assembly ensures the drum rotates smoothly on its axis while handling significant radial loads and torsional forces during mixing operations.
工作原理
The trunnion acts as a bearing surface, allowing the drum to rotate on fixed supports or rollers. The ring gear, typically mounted on or near the trunnion, meshes with a drive pinion. When the pinion rotates (driven by a motor), it engages the ring gear, converting rotational force into torque that turns the entire drum assembly around the trunnion axis, facilitating mixing of materials inside.
材料
Forged or cast alloy steel (e.g.AISI 41404340) for high strength and fatigue resistancegear teeth are often hardened (e.g.carburized or induction hardened) to 55-60 HRC for wear resistancecorrosion-resistant coatings or stainless steel variants may be used in corrosive environments.
Face Width
100-250 mm
Gear Module
8-20 mm
Load Capacity
50-500 kN radial
Pitch Diameter
800-3000 mm
Pressure Angle
20 degrees
Number of Teeth
100-300
Operating Speed
5-30 RPM
Trunnion Diameter
200-600 mm
标准
ISO 6336ISO 1328DIN 3960DIN 3990

行业分类与别名

安装耳轴/环形齿轮 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 or contamination->Increased friction, overheating, and accelerated gear tooth wear->Implement scheduled lubrication with high-quality grease, use seals to prevent contamination, and monitor temperature.
Misalignment during installation or operation->Uneven load distribution, premature bearing failure, and vibration->Ensure precise alignment during assembly, use laser alignment tools, and conduct regular checks.
Material fatigue due to cyclic loading->Crack initiation and propagation in the trunnion or gear teeth, leading to catastrophic failure->Design with fatigue-resistant materials, perform non-destructive testing (e.g., ultrasonic), and adhere to load limits.

工业生态与工程逻辑

0
Gear tooth wear or pitting
1
Trunnion bearing failure
2
Misalignment causing uneven wear
3
Overloading leading to fracture
4
Corrosion in harsh environments

合规与检测

tolerance
Gear tooth profile tolerance per ISO 1328 Grade 7-9, trunnion diameter tolerance ±0.05 mm, runout tolerance <0.1 mm
test method
Dimensional inspection with CMM, hardness testing (Rockwell), non-destructive testing (magnetic particle or dye penetrant), and load testing under simulated conditions

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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 mounting trunnion/ring gear in a mixing drum?

It provides rotational support for the drum via the trunnion and transmits torque from the drive system via the ring gear, enabling controlled mixing.

How do you maintain a mounting trunnion/ring gear assembly?

Regular lubrication of gear teeth and trunnion bearings, inspection for wear or cracks, alignment checks, and monitoring for abnormal noise or vibration.

Can mounting trunnion/ring gears be customized for specific applications?

Yes, they are often custom-engineered based on drum size, load requirements, material compatibility, and operational speed.

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URN:CNFX:ME:UNIT:MOUNTING_TRUNNION_RING_GEAR