What Is a Ball Screw and How Does It Work?

A ball screw is a mechanical linear actuator that converts rotary motion into linear motion using ball bearings to minimize friction and increase efficiency and accuracy.

What Types of Ball Screws Do You Offer?

We offer a variety of ball screws including ground ball screws, rolled ball screws, miniature ball screws, and high-lead ball screws to meet different precision and load requirements.

How Do I Choose the Right Ball Screw for My Application?

Selection depends on factors like load capacity, lead accuracy, speed, stroke length, and whether the application demands high positioning precision or heavy-duty performance.

What Is the Difference Between Ground and Rolled Ball Screws?

Ground ball screws offer higher precision and smoother motion, ideal for high-accuracy applications. Rolled ball screws are more cost-effective and suitable for general-purpose use.

What Maintenance Is Required for a Ball Screw?

Regular lubrication is essential. Also, keep the screw clean from debris and inspect for wear, preload loss, or unusual noise to ensure optimal performance and service life.

Achieve 40% Higher Load Capacity with Heavy Duty Linear Guide Rail Service – Delivered in 7 Days, Free Samples Risk-Free

Struggling with unreliable linear guides causing downtime in your US manufacturing lines? YIDI Motion delivers precision-engineered heavy duty linear guide rail service tailored for corporate purchasing managers seeking ROI-driven solutions.

Get Free Quote in 24h

Or WhatsApp: +86 18134111662 | Email: adam@yidimotion.com

Your Biggest Challenges with Heavy Duty Linear Guide Rail Service

As a US operations manager, you face relentless pressure to cut costs while maintaining uptime. Traditional suppliers fall short—here's why:

High Prices Eating into ROI: Competitors charge 20-30% premiums for imported guides, squeezing your margins without proportional quality gains.
Low Quality Leading to Failures: Cheap Chinese supply chains deliver rails with 15% deflection under load, causing 37% more unplanned downtime per industry reports from AMT.
Skyrocketing Shipping Costs: Delays from overseas average 45 days to US ports, plus $500+ per pallet tariffs/duties, inflating total costs by 25%.
Lack of Customization: Off-the-shelf rails don't fit heavy machinery, forcing inefficient workarounds.
Poor After-Sales Support: No local compliance or quick replacements, risking OSHA violations in USA factories.
Inconsistent Performance: Variable load capacities lead to premature wear, costing $10K+ per machine annually.

Real Scenario: A Midwest CNC shop lost $50K in Q1 2025 from rail failures—don't let this be you.

Solve These Now – Request Specs

YIDI Motion's Heavy Duty Linear Guide Rail Service: Engineered for US Industrial Demands

Founded in 2020, HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. (YIDI Motion) powers your operations with a 100-employee factory, 30% senior technicians, and German/Japanese equipment. We export to 50+ countries, including top US firms. Our USP? Powerful Factory + Quality Assurance + OEM/ODM + High-Speed Delivery.

Core Advantages (5 Key Wins for You)

Ultra-High Load Capacity: Up to 120kN dynamic/200kN static—40% stronger than competitors.
Precision Accuracy: ±0.003mm repeatability, ideal for heavy CNC/automation.
OEM/ODM Customization: Tailored lengths up to 6m, integrated ball screws.
Fast US Delivery: 7-14 days via optimized supply chain, dodging high shipping costs.
Cost Savings: 30% lower than US brands, with 5-year warranty.

Technical Specifications Table (Optimized for Heavy Duty Applications)

Our heavy duty linear guide rails dominate one-third of your decision-making with precise data. Ball-retaining design ensures smooth motion under extreme loads.

Model Series	Block Type	Rail Length (mm)	Dynamic Load (kN)	Static Load (kN)	Max Speed (m/s)	Accuracy Grade
HDH20	Square Flange	100-6000	25.6	41.5	3	H
HDH25	Slim	100-6000	38.6	62.4	3.5	P
HDH30	Flange	100-6000	52.6	88.9	4	SP
HDH35	Square	100-6000	92.6	153	5	UP
HDH45	Heavy Load	100-6000	120	200	5	UP

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Materials: Hardened steel rails (HRC58-62), lubricated for life. Preload options: Light (Z0), Medium (ZA), Heavy (ZB).

Performance Characteristics

These rails excel in high rigidity under vibration, with friction coefficient <0.003. Rigidity: 150N/μm (HDH45). Dust-proof seals prevent 99% contamination. Lifecycle: 100,000km at 2m/s.

Low Friction: Ball recirculation reduces energy loss by 25% vs. competitors.
High Rigidity: 4-row circular-arc contact—resists moment loads up to 15kNm.
Temperature Range: -20°C to 120°C, compliant for US harsh environments.