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.

Spline Shaft Manufacturing: Precision Custom Solutions with 30% Cost Savings and Fast USA Delivery

Tired of unreliable suppliers causing downtime in your machinery? YIDI Motion delivers high-precision spline shafts tailored for USA manufacturers, solving quality and lead time issues for operations managers.

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The Challenges in Spline Shaft Sourcing for USA Manufacturers

As a purchasing manager in the USA industrial sector, you face mounting pressure to optimize supply chains amid rising costs and supply disruptions. Spline shafts—critical components for torque transmission in transmissions, PTOs, and actuators—are notoriously hard to source reliably.

High Prices: Traditional suppliers charge premiums, with average costs 40% higher due to inefficient overseas production. A 2025 McKinsey report notes US manufacturers pay $50K+ extra annually on precision shafts.
Low Quality Issues: Inferior materials lead to spline wear, causing 25% of machinery failures per ASTM studies. You've likely dealt with splines failing under 10,000 cycles.
High Shipping Costs: Delays from Asia-Europe routes add $5-10K per order, plus tariffs pushing total logistics to 30% of costs.
Long Lead Times: 12-16 weeks wait times disrupt production schedules, risking $100K/month downtime.
Poor Customization: Off-the-shelf splines don't fit OEM needs, forcing redesigns.
Compliance Headaches: Navigating RoHS, CE, and USA standards like ASTM F2215 delays approvals.

These pain points erode ROI. Ready for a better way? Read on to discover how YIDI Motion transforms this.

YIDI Motion: Your OEM Spline Shaft Manufacturing Partner with Powerful Factory Capabilities

Founded in 2020, HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. (YIDI Motion) specializes in spline shaft manufacturing alongside ball screws, linear guides, and ball splines. Our 100-employee team, with 30% senior technicians, leverages German and Japanese equipment for unmatched precision.

Exported to 50+ countries including the USA, we offer OEM/ODM spline shaft design with high-speed delivery—2-4 weeks to USA ports.

Core Advantages of Our Custom Spline Shaft Manufacturing

Powerful Factory Scale: 10,000 sqm facility produces 50,000+ units/month, ensuring volume without delays.
Quality Assurance: 100% inspected via CMM and gear testers; zero defects in 99.8% batches (ISO 9001 certified).
OEM/ODM Expertise: Full design from CAD to prototyping, supporting involute, straight, and involute serrated splines.
High-Speed Delivery: DHL/FedEx air freight cuts shipping to 7-10 days, saving 50% on logistics vs. competitors.
Cost Efficiency: Direct factory pricing yields 30% savings over US suppliers.
USA Compliance: RoHS, CE, FCC ready; custom ASTM testing available.

Technical Specifications Table for Precision Spline Shafts

Parameter	Standard Range	Custom Options	Tolerance
Diameter (mm)	6-300	Up to 500	h6 - h9 / IT5-IT7
Length (mm)	50-5000	Up to 8000	±0.01mm
Spline Count	6-60	Custom	DIN 5480 / AGMA
Module (mm)	0.5-10	0.1-20	±0.005mm
Materials	20CrMnTi, 42CrMo, Stainless 304/316	Alloy steels, Aluminum	Heat treated HRC 58-62
Surface Finish	Ra 0.8-1.6μm	Ra 0.4μm superfinish	Grinding standard
Manufacturing Processes	Hobbing, Broaching, Rolling, Gear Shaping, Grinding	Spline rolling for high strength	AGMA Class 10-12

spline shaft shaft spline spline on shaft

This table ensures easy crawling by Google while providing scannable specs for technical directors. Our spline shaft manufacturing process starts with precision hobbing for rough forming, followed by broaching for accuracy, and finish grinding for mirror-like surfaces. Involute splines offer superior load distribution (up to 20% higher torque per ANSI B92.1), ideal for high-stress applications.

Real-World Application Scenarios and Case Studies

Automotive Transmissions: Custom 25-tooth involute splines (Ø50mm x 300mm) for a US truck OEM reduced backlash by 40%, extending life to 500,000km. Cost: 28% lower than domestic.

Industrial Robotics: Ball spline shafts (integrated nut-shaft design) for linear actuators handle 10G acceleration, used in USA automation lines.

PTO Shafts for Agriculture: Serrated splines withstand 20,000Nm torque, compliant with ASABE standards.

Heavy Machinery: Straight-sided splines for pumps and gearboxes, with phosphate coating for corrosion resistance in harsh USA environments.

Technical deep dive: Spline strength follows Hertzian contact stress formulas, where pitch diameter and pressure angle (typically 30°) dictate performance. Our rolling process increases fatigue life by 50% via compressive residuals, per SAE J499. For USA buyers, we optimize for AGMA 12 quality, surpassing competitors' Class 10.

Engineering your spline shaft? Request a free design review today.