Nut/carriage: Load Capacity 500-5000 N, Travel Speed 0.1-2 m/s

Q: What is the difference between a nut/carriage and a ball screw assembly?

Nut/carriage assemblies typically use acme or trapezoidal threads for cost-effective applications with moderate precision, while ball screw assemblies use recirculating balls for higher efficiency and precision in demanding applications

Q: How do I select the right nut/carriage for my application?

Consider load requirements, speed, precision needs, environmental conditions, and maintenance requirements. Consult manufacturer specifications for dynamic load ratings, backlash tolerance, and lubrication requirements

Component Specifications

Definition

A mechanical assembly consisting of a nut that engages with a lead screw and a carriage that provides mounting and guidance, designed to convert the rotary motion of a motor-driven screw into precise linear movement in industrial machinery

Working Principle

The nut contains internal threads that mesh with the external threads of a lead screw. When the screw rotates, the nut travels linearly along the screw axis. The carriage provides structural support, maintains alignment, and often includes guidance features to ensure straight-line motion with minimal deflection

Materials

Nut: Bronze (C93200), Steel (AISI 4140), or Polymer composites; Carriage: Aluminum alloy (6061-T6) or Steel (AISI 1045); Fasteners: Grade 8.8 or higher steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Backlash	<0.05 mm
Thread Pitch	2-10 mm
Travel Speed	0.1-2 m/s
Load Capacity	500-5000 N
Repeatability	±0.01 mm
Operating Temperature	-20°C to 120°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 3408, DIN 69051, JIS B1192

Parent Products

This component is used in the following industrial products

Drive Mechanism (Motor & Screw)

A mechanical assembly that converts rotary motion from a motor into precise linear motion via a screw mechanism, providing the actuation force for positioning stages.

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Engineering Analysis

Risks & Mitigation

Thread wear leading to increased backlash
Misalignment causing binding or premature failure
Inadequate lubrication resulting in overheating
Overloading beyond rated capacity

FMEA Triads

Trigger: Insufficient lubrication
Failure: Increased friction and wear
Mitigation: Implement scheduled lubrication with appropriate grease

Trigger: Misalignment during installation
Failure: Binding and uneven wear
Mitigation: Use alignment tools and follow installation procedures

Trigger: Contamination ingress
Failure: Abrasive wear and jamming
Mitigation: Install protective covers and seals

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

ISO 2768-mK for general dimensions, ISO 3408 for thread accuracy

Test Method

Coordinate measuring machine (CMM) verification, backlash measurement with dial indicators, load testing with force gauges

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Nut/carriage

Manufacturer profiles associated with Nut/carriage.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the difference between a nut/carriage and a ball screw assembly?