INDUSTRY COMPONENT

Wipers/Seals

Ball screw wipers and seals are protective components that prevent contamination and retain lubrication in ball screw assemblies.

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Component Specifications

Definition
Ball screw wipers and seals are critical protective components installed at the ends of ball screw assemblies. They function as barriers that prevent external contaminants (dust, chips, moisture) from entering the precision ball-nut interface while simultaneously retaining internal lubrication. These components maintain the cleanliness of the ball recirculation system, reduce abrasive wear, and extend the operational lifespan of the entire linear motion system.
Working Principle
Wipers use flexible lips or blades to physically scrape contaminants from the screw shaft as it retracts into the nut. Seals create a tight interference fit against the shaft using elastomeric materials to form a barrier against fine particles and fluids. Some designs combine both wiping and sealing functions in a single integrated component.
Materials
Common materials include polyurethane (PU), nitrile rubber (NBR), fluoroelastomer (FKM/Viton), and polytetrafluoroethylene (PTFE). Material selection depends on operating temperature (-40°C to 120°C typical), chemical exposure, speed, and required sealing force.
Technical Parameters
  • Service Life 10^7 to 10^8 cycles
  • Pressure Rating 0.1 to 0.3 MPa
  • Friction Coefficient 0.1 to 0.3
  • Operating Temperature -40°C to 120°C
  • Shaft Diameter Compatibility 6mm to 80mm
Standards
ISO 3408, DIN 69051

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Wipers/Seals.

ball screw wiper ball screw seal linear motion seal contamination protection lubrication retention machine tool components Wipers/Seals Wipers/Seals in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Ball Screw Assembly

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

View Product Details

Linear Guideways & Ball Screws

Precision motion control components that provide smooth, accurate linear movement and positioning in CNC machinery.

View Product Details

Ball Screw / Lead Screw

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

View Product Details

Engineering Analysis

Risks & Mitigation
  • Contamination ingress leading to premature wear
  • Lubrication loss causing increased friction
  • Material degradation from chemical exposure
  • Improper installation causing seal damage
FMEA Triads
Trigger: Abrasive particle accumulation
Failure: Increased friction and scoring of screw shaft
Mitigation: Regular cleaning and use of multi-lip wiper designs
Trigger: Elastomer hardening at high temperatures
Failure: Loss of sealing effectiveness
Mitigation: Select high-temperature resistant materials like FKM

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1mm on shaft diameter fit
Test Method
IP54 ingress protection testing, cyclic endurance testing per ISO 3408

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 is the difference between wipers and seals in ball screw assemblies?

Wipers primarily remove larger contaminants from the screw shaft surface, while seals provide a tighter barrier against fine particles and fluids. Many modern components integrate both functions.

How often should ball screw wipers/seals be replaced?

Replacement intervals depend on operating environment and cycle count. In clean environments, inspect annually; in harsh conditions, inspect quarterly. Typical service life is 10^7 to 10^8 cycles.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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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