INDUSTRY COMPONENT

Lead Screw

A precision mechanical component that converts rotational motion into linear motion in industrial machinery.

Component Specifications

Definition
A lead screw is a threaded rod that engages with a nut to translate rotational movement into precise linear displacement. In adjustment mechanisms, it provides controlled positioning through the mechanical advantage of its thread geometry, enabling accurate adjustments in industrial equipment.
Working Principle
Works on the screw principle: when the screw rotates, the engaged nut moves linearly along the thread axis. The linear displacement per revolution is determined by the lead (distance the nut advances per screw revolution). In adjustment mechanisms, this allows precise control of position through controlled rotation.
Materials
Typically made from alloy steels (AISI 4140, 4340), stainless steels (304, 316), or hardened steels for wear resistance. Nuts often use bronze, brass, or polymer composites for reduced friction.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Lead1-20 mm
Diameter6-100 mm
Thread TypeTrapezoidal, ACME, Ball Screw
Load CapacityUp to 50 kN
Maximum SpeedUp to 2 m/s
Accuracy GradeC3-C10

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 2901, ISO 3408, DIN 103, DIN 69051

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Backlash accumulation
  • Wear and thread degradation
  • Lubrication failure
  • Misalignment causing binding
  • Overload leading to thread deformation
FMEA Triads
Trigger: Inadequate lubrication
Failure: Increased friction, wear, and potential seizure
Mitigation: Implement regular lubrication schedule, use appropriate lubricants, install automatic lubrication systems
Trigger: Misalignment during installation
Failure: Uneven wear, binding, reduced accuracy
Mitigation: Use precision alignment tools during installation, implement regular alignment checks, use flexible couplings

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.05 mm per 300 mm travel for precision grades
Test Method
ISO 3408 for accuracy testing, DIN 69051 for geometric testing, load testing per manufacturer specifications

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.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Lead Screw

3 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

SENLISWELD
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Changzhou Jkongmotor Co., Ltd.
Changzhou, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Zhejiang Guangjin Intelligent Technology Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources

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

Related Components

Upper Tool (Punch)
Upper Tool (Punch) is the active forming component in metal plate bending machines that applies precise downward force to create bends in sheet metal.
Main Frame
The main frame is the primary structural component of a hydraulic press, providing rigidity and stability to withstand high compressive forces during metal forming operations.
Shaft Bearing
Precision component supporting rotating shafts in vibration motors to reduce friction and maintain alignment.
Seal Groove
Precision-machined groove in aluminum bearing housings designed to accommodate sealing elements for fluid containment and contamination prevention.

Frequently Asked Questions

What is the difference between lead screw and ball screw?

Lead screws use sliding contact between threads and nut, suitable for lower speeds and higher loads. Ball screws use recirculating balls for rolling contact, offering higher efficiency and speed but typically at higher cost.

How do I select the right lead screw for an adjustment mechanism?

Consider load requirements, required precision (lead accuracy), speed, duty cycle, environmental conditions, and backlash tolerance. Match material to application stresses and corrosion requirements.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Request Manufacturing Insight for Lead Screw

Thank you. Your request has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.
Latching Mechanism Lead screw shaft
Get QuotesChat