Industry-Verified Manufacturing Data (2026)

Ball Screw/Lead Screw

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Ball Screw/Lead Screw 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 Ball Screw/Lead Screw is characterized by the integration of Screw Shaft and Nut. In industrial production environments, manufacturers listed on CNFX commonly emphasize Alloy Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision mechanical component that converts rotary motion into linear motion with high efficiency and accuracy.

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Product Specifications

Technical details and manufacturing context for Ball Screw/Lead Screw

Definition
Within a Servo-Driven Alignment Pusher, the ball screw/lead screw is the critical transmission component that translates the rotational movement from the servo motor into precise linear displacement of the pusher mechanism, enabling accurate positioning and force application for alignment tasks.
Working Principle
A threaded shaft (screw) rotates within a matching nut. For ball screws, recirculating ball bearings roll between the screw and nut threads, minimizing friction. For lead screws, the nut slides directly on the screw threads. This rotation causes the nut (or the screw, depending on design) to move linearly along the axis.
Common Materials
Alloy Steel, Stainless Steel
Technical Parameters
  • Lead (distance traveled per revolution) and diameter are primary specifications. (mm) Customizable
Components / BOM
  • Screw Shaft
    The threaded rotating element that provides the helical raceway.
    Material: Alloy Steel
  • Nut
    The component that travels along the screw shaft, converting rotation into linear motion. Contains ball bearings (for ball screws) or internal threads (for lead screws).
    Material: Alloy Steel
  • Ball Bearings (Ball Screw only)
    Recirculating balls that roll between the screw and nut threads to reduce friction and wear.
    Material: Chrome Steel
  • Wipers/Seals
    Protect the internal raceway from contamination by dust and debris.
    Material: Rubber or Polyurethane
Engineering Reasoning
Axial load: 100-5000 N, Speed: 0.1-2.0 m/s, Temperature: -20°C to 80°C
Axial load exceeds 5500 N, speed exceeds 2.5 m/s, or temperature exceeds 100°C
Design Rationale: Buckling instability (Euler's formula), Hertzian contact stress exceeding 1800 MPa yield strength, or thermal expansion mismatch exceeding 0.1 mm clearance
Risk Mitigation (FMEA)
Trigger Contaminant particle >25 μm diameter entering ball-raceway interface
Mode: Brinnelling damage causing 0.05 mm permanent indentation and increased torque >2.5 Nm
Strategy: IP65-rated wiper seals with 0.1 mm labyrinth clearance and positive-pressure purge system
Trigger Lubricant viscosity drop below ISO VG 32 at 40°C due to thermal degradation
Mode: Boundary lubrication causing coefficient of friction >0.005 and temperature rise >15°C above ambient
Strategy: Synthetic ester-based grease with 200°C drop point and automatic lubrication system with 8-hour interval

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Ball Screw/Lead Screw.

precision ball screw for CNC machinery stainless steel lead screw linear actuator high efficiency ball screw assembly components industrial lead screw with ball bearings alloy steel screw shaft for manufacturing equipment

Applied To / Applications

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

Servo-Driven Alignment Pusher
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Axial load capacity: 1 kN to 500 kN depending on diameter and lead
other spec: Maximum linear speed: 1-3 m/s, positioning accuracy: ±5-50 μm/300mm, repeatability: ±1-10 μm
temperature: -40°C to 120°C (standard), up to 200°C with special materials/lubrication
Media Compatibility
✓ Machine tool cutting fluids ✓ Industrial lubricants (grease/oil) ✓ Clean dry air environments
Unsuitable: Abrasive slurry or corrosive chemical environments without protective seals
Sizing Data Required
  • Required axial load capacity (kN)
  • Maximum travel length and speed (mm, m/s)
  • Required positioning accuracy and repeatability (μm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Backlash and Positioning Inaccuracy
Cause: Wear of ball/lead screw threads and nut components due to inadequate lubrication, contamination ingress, or excessive axial loads, leading to loss of preload and dimensional play.
Fatigue Fracture or Thread Stripping
Cause: Cyclic overloading beyond design limits, misalignment during installation causing bending stresses, or material defects, resulting in crack initiation and propagation in the screw shaft or nut.
Maintenance Indicators
  • Audible grinding, clicking, or rumbling noises during operation indicating contamination, lack of lubrication, or ball/component damage.
  • Visible metal shavings or discoloration (e.g., blueing from overheating) around the screw or nut, signaling excessive friction or wear.
Engineering Tips
  • Implement a strict lubrication regimen using manufacturer-specified grease or oil, and install effective seals/wipers to prevent abrasive contamination from dust, chips, or moisture.
  • Ensure precise alignment during installation using dial indicators or laser tools, and avoid exceeding the rated axial/radial loads by incorporating load monitoring or overload protection devices.

Compliance & Manufacturing Standards

Reference Standards
ISO 3408-1:2006 - Ball screws - Part 1: Vocabulary and designation ANSI B5.48-1977 (R2003) - Ball Screws DIN 69051-1:2018-03 - Ball screws - Part 1: General specifications and acceptance conditions
Manufacturing Precision
  • Lead accuracy: ±0.01 mm per 300 mm travel
  • Shaft straightness: 0.02 mm per 100 mm length
Quality Inspection
  • Dimensional verification with CMM (Coordinate Measuring Machine)
  • Hardness testing (Rockwell C scale) of screw shaft and nut components

Factories Producing Ball Screw/Lead Screw

Verified manufacturers with capability to produce this product in China

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✓ 94% Supplier Capability Match Found

P Project Engineer from United Arab Emirates Feb 26, 2026
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Ball Screw/Lead Screw so far."
Technical Specifications Verified
S Sourcing Manager from Australia Feb 23, 2026
★★★★★
"Testing the Ball Screw/Lead Screw now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
P Procurement Specialist from Singapore Feb 20, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

11 sourcing managers are analyzing this specification now. Last inquiry for Ball Screw/Lead Screw from UAE (25m ago).

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Frequently Asked Questions

What is the difference between a ball screw and a lead screw?

Ball screws use recirculating ball bearings for minimal friction and high efficiency (90%+), while lead screws use sliding contact with lower efficiency but simpler construction and often lower cost.

What materials are best for ball screws in corrosive environments?

Stainless steel ball screws provide excellent corrosion resistance for humid or chemical environments, while alloy steel offers higher load capacity but requires protective coatings in corrosive conditions.

How do I maintain ball screw assemblies in industrial machinery?

Regular lubrication of screw shafts and nuts, inspection of wipers/seals for contamination, and monitoring for backlash or wear in ball bearings will maximize service life and maintain precision.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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