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 Ball Screw Manufacturing: Your Direct Factory Partner for OEM Linear Motion

YIDI Motion – Established ball screw manufacturing manufacturer delivering high-load, high-precision components worldwide.

Get Factory-Direct Pricing

Procurement Risks in Ball Screw Sourcing
Our Ball Screw Solutions
Factory Capabilities & Certifications
Real-World Applications
Technical Specifications
Customer Experiences
Buyer FAQs
Next Steps

Why Sourcing Ball Screws Can Trip Up Procurement Teams

I've seen it time and again. A purchasing manager sources ball screws from a low-bid supplier overseas, only to face weeks of delays because the lead accuracy doesn't match specs. Or worse, the screws arrive with preload inconsistencies that cause vibration in high-speed CNC spindles.

Ball screws aren't commodity parts. They're the backbone of linear motion in automation setups. Get them wrong, and your machine downtime spikes. Procurement risks pile up fast: mismatched tolerances, poor surface finishes leading to early wear, or suppliers who can't handle custom pitches for OEM projects.

Take lead time. Many factories promise 4 weeks but deliver in 12 because they're juggling too many orders without dedicated lines. Then there's quality drift – a batch starts strong but degrades as they cut corners on grinding processes.

For US importers, add compliance headaches. REACH regs in Europe or RoHS for electronics integration. Skip a cert, and your inventory sits in customs. We've dealt with buyers who lost entire shipments over missing traceability docs.

Another pitfall: overspec'ing for the sake of it. Not every application needs C3 precision. But brokers push premium grades to inflate margins, leaving you overpaying for specs you'll never use.

Operations folks tell me logistics bites hard too. Screws packed loosely shift in transit, nicking flanges. Or no proper rust prevention for sea freight to the States.

Common Mistake #1: Ignoring dynamic load ratings. A screw rated for 5kN static might fail under cyclic loads in robotics arms.
Common Mistake #2: Single-source dependency without backup capacity checks.
Common Mistake #3: No preload verification during sampling – leads to backlash issues post-install.

These aren't hypotheticals. They're from calls with procurement directors last quarter alone. Spotting a reliable ball screw manufacturing manufacturer early saves headaches down the line.

Talk to Our Engineer – Avoid These Risks

Tailored Ball Screw Solutions from YIDI Motion

At YIDI Motion, we cut through the noise. As a dedicated ball screw manufacturing manufacturer since 2020, we focus on precision rolled and ground ball screws for demanding applications. Our lineup covers diameters from 12mm to 80mm, pitches tuned to your velocity needs.

What sets us apart? We grind shafts from high-tensile CF53 steel, hardened to 58-62 HRC. Nuts come in single or double configurations, with options for end wipers and metal flanges. Preload? Standard C0 to C5, or custom.

Buyers often ask about accuracy classes. We hit IT3 to IT7 per ISO 3408, verified on Renishaw testers imported from the UK. No guesswork – every batch gets a conformance report.

For OEM runs, our ODM service shines. Last year, we re-engineered a ball screw assembly for a US automation firm, shaving 15% off their friction losses by optimizing ball recirculation paths. Small tweak, big impact on energy draw.

Practical note: Rolled screws for cost-sensitive projects, ground for ultra-precision. We advise based on your duty cycle. High-speed pick-and-place? Go ground. Heavy milling? Rolled with reinforced nuts.

Materials matter. We avoid cheap imports; our balls are G5 grade chrome steel, cages from engineering plastic or brass for low noise. Seals? Labyrinth or felt, rated IP65 for dusty shops.

Conversion tip: Pair with our linear guides for matched systems. Reduces alignment errors that plague mixed sourcing.

Request Custom Specs

Inside Our Hebei Factory: Scale Meets Precision

YIDI Motion operates from Shijiazhuang, Hebei – 100 employees strong, with senior techs making up over 30%. We imported CNC grinders from DMG Mori Germany and Okuma Japan. That means consistent Ø0.01mm tolerances, no thermal drift.

Production flow? Raw bar stock → heat treat → thread rolling/grinding → nut assembly → dyno testing. Full traceability via QR codes. Capacity: 5,000 meters/month, scalable for rush OEM.

Exports to 50+ countries: USA, Germany, Japan, Canada. Sea freight to LA in 25 days typical, FOB Xingang. We handle container optimization – up to 20 tons per 40HQ without damage.

Certifications: ISO 9001:2015, RoHS, CE for EU. No fake badges – auditors from SGS last month.

Logistics reality: We use VCI paper for anti-corrosion, custom crates for long shafts. US buyers appreciate our Incoterms flexibility – DDP to your door if needed.

One observation: Many competitors outsource nut machining. We do it in-house, catching defects early. Saves you rework costs.

Phone a rep at +86 18134111662. Adam here – I've shipped to Midwest machine builders who swear by our lead times.

Where Our Ball Screws Excel

CNC machining centers. Z-axis ballscrews take vertical loads up to 50kN. Ours run backlash-free at 60m/min.

Robotics: Joint actuators need compact, high-rigidity. Our miniature series (SFU1204) fits servo-driven arms.

8Mm Ball Screw Supplier

3D printers and laser cutters: Smooth motion for Ø16-25mm screws.

Factory automation: XY gantries, with ball splines for multi-axis sync.

Warning: Undersize for shock loads, and you'll see brinelling. We calc critical speed for you.

Key Technical Specifications

Model	Dia x Pitch (mm)	Accuracy Class	Dyn Load (kN)	Max Speed (m/min)
SFU1605	16x5	C7	18.5	80
DFU2005	20x5	C5	25.2	100
SFE2510	25x10	C3	33.5	120
BFU3210	32x10	C5	45.1	90
SFU5010	50x10	C7	76.2	60

ball screw manufacturing supplier ball screw manufacturer ball and screw manufacturer

Custom sizes available. All per DIN 69051 / JIS B1192.

What Procurement Teams Say

John M., Ops Director, Midwest Automation Inc. (USA)

"Switched to YIDI for our gantry ballscrews. C5 accuracy held up in 24/7 runs. Lead time was 28 days door-to-door – beat THK quotes. No preload drop after 10k hours."