行业组件数据 · 2026

驱动螺母

Drive nut converts rotary motion into linear motion in ball screw assemblies for precision positioning.

技术定义与适配语境
典型 驱动螺母 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 drive nut is a critical mechanical component in ball screw drive systems that engages with the screw's helical threads to translate rotational motion from the motor into precise linear displacement. It contains recirculating ball bearings that roll between the nut and screw threads, minimizing friction and enabling high efficiency, accuracy, and load capacity in industrial machinery.

组件规格

定义
A drive nut is a critical mechanical component in ball screw drive systems that engages with the screw's helical threads to translate rotational motion from the motor into precise linear displacement. It contains recirculating ball bearings that roll between the nut and screw threads, minimizing friction and enabling high efficiency, accuracy, and load capacity in industrial machinery.
工作原理
The drive nut operates on the principle of the ball screw mechanism. When the screw rotates, the balls within the nut's raceways recirculate, causing the nut to move linearly along the screw axis. This converts torque from the motor into axial force with minimal backlash, providing smooth, precise motion control.
材料
Typically made from hardened alloy steel (e.g.AISI 52100440C) or stainless steel (e.g.AISI 304316) for corrosion resistance. May include polymer inserts for noise reduction. Surface treatments like nitriding or chrome plating enhance wear resistance.
Lead
2mm to 40mm
Backlash
0.005mm to 0.05mm
Load Capacity
Up to 100 kN dynamic
Accuracy Grade
C3 to C7 (ISO 3408)
Operating Speed
Up to 3 m/s
Thread Diameter
6mm to 80mm
标准
ISO 3408DIN 69051

行业分类与别名

驱动螺母 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

Contamination (dust, debris) entering the ball circuit->Increased friction, wear, and eventual seizing->Use seals or wipers, implement regular cleaning, and operate in clean environments
Improper lubrication or dry running->Overheating, accelerated wear, and reduced lifespan->Apply appropriate lubricants (grease or oil) regularly, follow manufacturer maintenance schedules
Misalignment during installation->Uneven load distribution, vibration, and premature failure->Ensure precise alignment using alignment tools, follow installation guidelines, and use flexible couplings if needed

工业生态与工程逻辑

0
Backlash leading to positioning errors
1
Wear from contamination or misalignment
2
Overload causing ball deformation or thread damage
3
Corrosion in harsh environments

合规与检测

tolerance
Accuracy grades per ISO 3408 (e.g., C3: ±0.005mm/300mm)
test method
Dimensional checks with micrometers, backlash measurement using dial indicators, load testing per ISO 3408-5

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 a drive nut and a standard nut?

A drive nut is specifically designed for ball screw systems with recirculating ball bearings for smooth linear motion, while a standard nut is for general fastening with higher friction and less precision.

How do I select the right drive nut for my application?

Consider load capacity, speed, accuracy grade, environmental conditions (e.g., temperature, corrosion), and compatibility with the screw diameter and lead. Refer to ISO 3408 standards for guidance.

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CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

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。

请求制造能力信息: 驱动螺母

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URN:CNFX:ME:UNIT:DRIVE_NUT