行业组件数据 · 2026

尾座

A tailstock is a movable component on a CNC turning center that supports the workpiece opposite the spindle, providing stability and alignment during machining operations.

技术定义与适配语境
典型 尾座 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 tailstock is a critical component of an Aluminum CNC Turning Center, designed to support the free end of a workpiece during turning operations. It consists of a base that slides along the machine bed, a quill that extends and retracts, and a center (live or dead) that contacts the workpiece. Its primary functions include preventing deflection under cutting forces, maintaining concentricity, and enabling the machining of long or slender workpieces. In aluminum machining, it ensures dimensional accuracy and surface finish by minimizing vibration and chatter.

组件规格

定义
The tailstock is a critical component of an Aluminum CNC Turning Center, designed to support the free end of a workpiece during turning operations. It consists of a base that slides along the machine bed, a quill that extends and retracts, and a center (live or dead) that contacts the workpiece. Its primary functions include preventing deflection under cutting forces, maintaining concentricity, and enabling the machining of long or slender workpieces. In aluminum machining, it ensures dimensional accuracy and surface finish by minimizing vibration and chatter.
工作原理
The tailstock operates by sliding along the machine bed to position itself opposite the spindle. Once aligned, the quill is advanced manually or via hydraulic/pneumatic pressure to bring the center into contact with the workpiece, applying controlled force to support it. During operation, it remains stationary relative to the rotating workpiece, counteracting radial and axial forces generated by cutting tools. In live tailstocks, the center rotates with the workpiece to reduce friction and heat generation.
材料
Typically constructed from high-strength cast iron or ductile iron for the base and bodywith hardened and ground steel for the quill and center. Critical wear surfaces may be coated with materials like chromium or nitride for durability. Components in contact with aluminum workpieces often use materials resistant to gallingsuch as bronze bushings or coated steels.
Taper
MT4, MT5, or ISO tapers
Weight
50-300 kg
Actuation
Manual, hydraulic, or pneumatic
Quill Travel
100-300 mm
Center Height
Matches machine center height (e.g., 200-500 mm)
Repeatability
±0.01 mm
Maximum Thrust
2-10 kN
Quill Diameter
80-150 mm
标准
ISO 230-1DIN 55027

行业分类与别名

尾座 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

Improper alignment with spindle->Workpiece taper or dimensional inaccuracy->Regular alignment checks using test bars and dial indicators; adjust tailstock position as per machine manual.
Worn or damaged center->Poor surface finish or workpiece damage->Inspect and replace centers periodically; use live centers for high-speed operations to reduce wear.

工业生态与工程逻辑

0
Misalignment causing taper or runout
1
Insufficient clamping force leading to workpiece slippage
2
Wear of the center or quill affecting accuracy
3
Contamination from chips or coolant reducing performance

合规与检测

tolerance
Alignment within 0.02 mm over 300 mm travel; quill runout less than 0.01 mm
test method
ASME B5.54 for geometric accuracy; use of dial indicators and test bars to measure alignment and repeatability.

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 live and dead tailstock center?

A live center rotates with the workpiece, reducing friction and heat, ideal for high-speed aluminum machining. A dead center is stationary, requiring lubrication and used for heavy-duty applications but can generate more heat.

How do you maintain a tailstock on a CNC turning center?

Regularly clean and lubricate the quill and sliding surfaces, check alignment with the spindle, inspect the center for wear, and ensure hydraulic/pneumatic systems are leak-free to maintain precision and prevent workpiece damage.

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CNFX Industrial Component Index · 机械和设备制造

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