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.

Precision Gear Rack Factory: Custom OEM Gear Racks for USA Industrial Automation – Reduce Costs by 30% in 90 Days

As a USA-based Operations Manager, you're battling high prices, inconsistent quality, and sky-high shipping from unreliable suppliers. YIDI Motion delivers precision gear racks direct from our powerful Hebei factory—OEM/ODM ready, quality assured, with high-speed delivery to your door.

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Struggling with Gear Rack Sourcing? Here's Why USA Buyers Are Frustrated

As a purchasing manager in industrial automation, you demand reliability. But competitors like generic Chinese suppliers or premium Western brands leave you stuck.

High Prices: Premium USA/EU gear racks cost 2-3x more without proportional quality gains.
Low Quality Issues: Inferior materials lead to 15-20% failure rates in high-load CNC applications, per industry reports from AGMA.
Skyrocketing Shipping Costs: Delays of 8-12 weeks from Asia inflate logistics by 25%, disrupting your production lines.
Inconsistent Specs: Off-spec modules cause misalignment in rack-and-pinion systems, hiking downtime by 37% (McKinsey manufacturing data).
Limited Customization: No OEM/ODM flexibility for your unique automation needs, forcing compromises on precision.
Poor After-Sales: No local support means weeks of back-and-forth for defects.

Sound familiar? Keep reading—YIDI Motion fixes this today. Jump to solutions.

YIDI Motion: Your Trusted Gear Rack Factory with Powerful Production & Fast USA Delivery

Established in 2020, HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. (YIDI Motion) is a one-stop linear motion expert. Our 100-employee factory in Shijiazhuang, China—with 30% senior technicians—produces gear racks alongside ball screws, linear guides, and more. We export to 50+ countries, including the USA, using German/Japanese equipment for unmatched precision.

Core Advantages (Why Choose Us Over Competitors)

Powerful Factory Direct: No middlemen—30% cost savings vs. resellers.
Quality Assurance: Advanced hobbing/grinding ensures AGMA 10-12 precision levels.
OEM/ODM Design: Custom modules, lengths, and materials tailored to your specs.
High-Speed Delivery: 2-4 weeks to USA ports via optimized supply chain.
One-Stop Service: Pair gear racks with pinions, bearings for complete systems.
Compliant for USA: Meets ASTM standards, RoHS, with full traceability.

Technical Specifications Table (Precision Gear Rack Factory Standards)

Gear racks form the backbone of linear motion in automation. Our production occupies one-third of capabilities, focusing on helical/straight types for optimal performance.

Parameter	Straight Gear Rack	Helical Gear Rack
Module (m)	0.5 - 10	1 - 8
Length (mm)	Up to 2000 (ground), 3000 (milled)	Up to 2000
Accuracy Grade	DIN 7-12 / AGMA 10-12	DIN 8-12
Materials	C45, 42CrMo4, S45C (hardened to HRC 50-60)	Same + Nitrided options
Teeth Treatment	Hobbed, Ground, Hardened	Ground, Profile-shifted
Load Capacity	Up to 50 kN/m (static)	Up to 60 kN/m (with helix angle 15-30°)
Backlash	<0.05mm (precision ground)	<0.03mm
Surface Finish	Ra 0.8-1.6 μm	Ra 0.4-0.8 μm

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Customization available: Pressure angles 20°/14.5°, helix angles up to 45° for low-noise apps.

Manufacturing Process: From Raw Steel to Precision Rack

Our process ensures consistency:

Material selection: High-grade alloy steels inspected via spectrometer.
Blanking & rough milling: CNC for ±0.01mm tolerance.
Gear hobbing: Imported Felgt hobbing machines from Germany.
Heat treatment: Carburizing/quenching to HRC 58-62.
Precision grinding: Japanese grinders for mirror finish.
Quality checks: 100% CMM inspection, gear analyzer for pitch error <3μm.

YIDI Motion Gear Rack Factory Production Line

Performance characteristics: Backlash-free operation in rack-pinion pairs reduces vibration by 40%; fatigue life >10^7 cycles under 1.5x load (ISO 6336 tested).