行业组件数据 · 2026

齿轮

Gears are rotating machine components with cut teeth that mesh with another toothed part to transmit torque and motion in gearboxes and transmissions.

技术定义与适配语境
典型 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。

Gears are precision-engineered mechanical components featuring teeth cut into their circumference that engage with corresponding teeth on mating gears to transfer rotational motion and power between shafts. They function as fundamental elements in gearboxes and transmission systems, enabling speed reduction, torque multiplication, direction reversal, and synchronization of rotational axes through controlled meshing. Their design ensures efficient power transmission with minimal energy loss while maintaining precise angular relationships between connected components.

组件规格

定义
Gears are precision-engineered mechanical components featuring teeth cut into their circumference that engage with corresponding teeth on mating gears to transfer rotational motion and power between shafts. They function as fundamental elements in gearboxes and transmission systems, enabling speed reduction, torque multiplication, direction reversal, and synchronization of rotational axes through controlled meshing. Their design ensures efficient power transmission with minimal energy loss while maintaining precise angular relationships between connected components.
工作原理
Gears operate on the principle of positive engagement, where interlocking teeth transmit rotational force from a driving gear to a driven gear. As teeth mesh, they maintain continuous contact along their profiles, converting input torque and speed into modified output characteristics based on gear ratio (determined by tooth count). This mechanical interaction prevents slippage, ensures synchronized motion, and allows for predictable power transfer through direct physical contact between mating surfaces.
材料
Common materials include alloy steels (AISI 41408620)carbon steelsstainless steels (304316)cast ironbrassbronzealuminum alloysand engineered plastics (nylonacetal). Material selection depends on application requirements: strengthwear resistancecorrosion resistanceweightnoise reductionand cost.
Module
1-10 mm
Face Width
10-100 mm
Helix Angle
0°-45°
Core Hardness
28-40 HRC
Accuracy Grade
ISO 1328 Class 5-12
Pitch Diameter
20-500 mm
Pressure Angle
20° or 14.5°
Number of Teeth
12-200
Surface Hardness
45-65 HRC
标准
ISO 1328ISO 6336AGMA 2001DIN 3960DIN 3990JIS B 1702

行业分类与别名

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 contaminated lubricant->Accelerated wear, scoring, or seizure of gear teeth->Implement scheduled lubrication maintenance, use filtration systems, monitor oil quality, and follow manufacturer's lubrication specifications
Shaft misalignment during installation or operation->Uneven tooth contact, localized stress concentrations, and premature failure->Use precision alignment tools during installation, implement regular alignment checks, install flexible couplings, and monitor vibration patterns
Overloading beyond design capacity->Tooth bending fatigue, breakage, or plastic deformation->Install torque limiters or overload protection devices, conduct proper load calculations during design, and implement load monitoring systems

工业生态与工程逻辑

0
Tooth breakage due to overload
1
Wear and pitting from insufficient lubrication
2
Misalignment causing uneven load distribution
3
Noise and vibration from improper meshing
4
Corrosion in harsh environments
5
Fatigue failure from cyclic loading

合规与检测

tolerance
Tooth profile tolerance per ISO 1328 Class 5-9, backlash control within 0.05-0.20 mm depending on application, surface finish Ra 0.8-3.2 μm
test method
Coordinate measuring machine (CMM) inspection, gear rolling test for noise and accuracy, hardness testing (Rockwell/Vickers), metallurgical analysis, load testing per ISO 6336, and non-destructive testing (magnetic particle or dye penetrant)

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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

What are the main types of gears used in industrial applications?

Common types include spur gears (straight teeth, parallel shafts), helical gears (angled teeth, smoother operation), bevel gears (conical shape, intersecting shafts), worm gears (screw-like, high reduction ratios), and planetary gears (central sun gear with orbiting planet gears for compact high-torque applications).

How do I select the right gear material for my application?

Consider load capacity (steel for high loads), operating environment (stainless steel for corrosion, plastics for chemicals), speed requirements (hardened steels for high speeds), noise constraints (helical gears or plastics for quiet operation), and cost factors. Consult ISO 6336 for strength calculations and material specifications.

What maintenance is required for industrial gears?

Regular lubrication with appropriate gear oils, periodic inspection for wear (pitting, scoring, tooth breakage), alignment checks, vibration monitoring, and timely replacement based on wear patterns. Follow manufacturer guidelines and predictive maintenance schedules.

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URN:CNFX:ME:UNIT:GEARS