Structured Manufacturing Data (2026)

Tailstock

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Tailstock used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Tailstock is characterized by the integration of Base and Quill. In industrial production environments, manufacturers listed on CNFX commonly emphasize Cast Iron construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A movable support component on a CNC lathe that provides axial support to long workpieces during machining operations.

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Product Specifications

Technical details and manufacturing context for Tailstock

Definition

The tailstock is a critical component of a Universal CNC Lathe that mounts on the lathe bed opposite the headstock. It provides adjustable axial support to long workpieces, preventing deflection and vibration during turning, drilling, and boring operations. It typically features a quill that can be extended and retracted, often with a live center or dead center to support the workpiece end.

Working Principle

The tailstock is manually or hydraulically positioned along the lathe bed and locked in place. Its quill, containing a center (live or dead), is advanced to contact and support the free end of the workpiece. The quill is then locked to provide rigid support, counteracting the cutting forces from the tool at the headstock end.

Common Materials

Cast Iron, Alloy Steel

Technical Parameters

Maximum quill travel distance (mm) Per Request

Components / BOM

Base Part
Mounts to the lathe bed and provides the foundation for the tailstock assembly

Material: Cast Iron
Quill Part
The movable spindle that extends and retracts to position the center against the workpiece

Material: Alloy Steel
Center Part
The pointed tool (live or dead) that contacts and supports the end of the workpiece

Material: Hardened Tool Steel
Handwheel Part
Manual control for advancing and retracting the quill

Material: Steel or Aluminum
Locking Lever Part
Secures the tailstock body to the lathe bed and locks the quill in position

Material: Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tailstock.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Universal CNC Lathe

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Economic CNC Lathe

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CNC Lathe

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Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Downstream Applications

Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits

pressure:	Max axial thrust: 500-5000 N (model dependent), hydraulic pressure: 0-10 MPa
other spec:	Workpiece diameter range: 10-300 mm, repeatability: ±0.005 mm, travel speed: 0.1-10 m/min
temperature:	5°C to 40°C (operating), -10°C to 60°C (storage)

Media Compatibility

✓ Steel alloys ✓ Aluminum alloys ✓ Plastics (e.g., nylon, PTFE)

Unsuitable: High-vibration environments without damping systems

Sizing Data Required

Maximum workpiece diameter and length
Required axial thrust force
Machine bed length and available mounting space

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause

Misalignment and Wear of the Quill

Cause: Inadequate lubrication, excessive axial loads, or improper alignment during setup leading to uneven wear and loss of precision.

Failure of the Locking Mechanism

Cause: Fatigue from repeated clamping cycles, contamination (e.g., chips, coolant), or over-tightening causing thread or lever damage.

Maintenance Indicators

Excessive play or wobble in the quill during rotation, indicating wear or misalignment.
Unusual grinding or scraping noises when engaging or locking the tailstock, suggesting mechanical interference or damage.

Engineering Tips

Implement a regular lubrication schedule using manufacturer-specified oils or greases to reduce friction and wear on moving parts.
Perform periodic alignment checks and adjustments using precision instruments (e.g., dial indicators) to ensure parallelism with the headstock.

Compliance & Manufacturing Standards

Reference Standards

ISO 230-1:2012 (Test code for machine tools - Geometric accuracy of machines operating under no-load or quasi-static conditions) ANSI B5.9-1979 (Spindle Noses and Tool Shanks for Machine Tools) DIN 55027 (Machine tools; tailstocks for lathes; connecting dimensions)

Manufacturing Precision

Center bore alignment: ±0.01 mm relative to spindle axis
Quill travel parallelism: 0.02 mm per 100 mm of travel

Quality Inspection

Dial indicator alignment test (checking concentricity with main spindle)
Hardness testing of quill and critical wear surfaces (Rockwell C scale)

Factories Producing Tailstock

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in manufacturing this tailstock?

This tailstock is constructed from high-quality cast iron for the base and alloy steel for critical components like the center and quill, ensuring durability and precision in machinery manufacturing applications.

How does the tailstock provide support during CNC lathe operations?

The tailstock moves along the lathe bed to provide axial support to long workpieces, preventing deflection during machining. The quill extends to contact the workpiece, while the locking lever secures the position for stable operations.

What are the main components included in the tailstock BOM?

The bill of materials includes the base, center, handwheel, locking lever, and quill. These components work together to ensure precise positioning and secure support for workpieces in CNC machining.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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