Ball Screw CNC Service: Precision Custom Manufacturing for High-Performance Linear Motion
Reliable OEM/ODM solutions from YIDI Motion. Serving CNC machine builders, automation integrators, and exporters worldwide. Get factory-direct pricing on precision-ground and rolled ball screws tailored to your CNC specs.
Table of Contents
- 1. Procurement Risks in Ball Screw Sourcing for CNC
- 2. What Our Ball Screw CNC Service Delivers
- 3. Factory Capabilities at YIDI Motion
- 4. Technical Specifications & Customization Options
- 5. Real-World CNC Applications
- 6. Installation and Maintenance Realities
- 7. Global Logistics from Hebei to Your Door
- 8. Buyer FAQs
- 9. What Partners Say
- 10. Certifications & Compliance
Procurement Risks in Ball Screw Sourcing for CNC – What We've Seen Over 50+ Exports
I've handled dozens of ball screw orders for CNC routers and mills going into the US market. One common headache? Importers chasing the cheapest quote from unverified Alibaba sellers, only to end up with rolled screws that whip under load or nuts that bind after 500 hours.
Precision matters in CNC. A C10 accuracy ball screw might look fine on paper, but in a high-speed spindle setup, backlash creeps in fast. We've had clients return from Taiwan suppliers complaining about inconsistent preload – their machines chatter, tolerances slip by 0.05mm per pass.
Lead times drag too. Standard stock from Europe hits 12-16 weeks, plus duties that eat margins. And don't get me started on material certs – SCM415 steel advertised as 440, but micro-cracks show up in grinding.
- Undersized shafts failing dynamic load tests per ISO 3408-3.
- Mismatched nut flanges causing alignment issues in retrofits.
- Whipped ends from poor straightening, killing straightness at 0.15mm/300mm.
- Logistics snafus: partial containers, no fumigation docs for wood crates.
Procurement directors tell us these risks add 20-30% to total project costs when rework hits. That's why we focus on end-to-end traceability from bar stock to packing.
Quick tip from the floor: Always demand a load-life curve specific to your duty cycle. Generic catalogs lie.
What Our Ball Screw CNC Service Delivers – Tailored for Your Builds
At YIDI Motion, ball screw CNC service isn't just machining. It's taking your CAD files – whether for a gantry mill or robot arm – and spitting out ground or rolled assemblies ready for drop-in.
We start with your specs: diameter from 12mm to 80mm, leads up to 50mm, lengths to 6 meters in one piece. Precision ground for C3/C5 accuracy where sub-micron repeatability counts. Rolled for cost-sensitive volume runs.
Custom ends? No problem – machined flanges, bellows housings, or integrated bearings. Nuts in SFU/DFU styles, with options for standard or high preload. All heat-treated to 58-62 HRC, case depth controlled.
We've done full assemblies: ball screw + supports + nut housing + wipers. For CNC service upgrades, we reverse-engineer worn units – measure your old pitch diameter, match the effective lead exactly.
One US router builder fed us STEP files for a dual-drive Z-axis. We prototyped in 7 days, full run in 25. Machines now handle aluminum at 18m/min without whip.
This service scales. Low MOQ for samples – 1-5 units. Bulk for 100+ at factory gate prices.
Need a quote? Upload your drawing here or email adam@yidimotion.com – we'll respond with machined preview in 24 hours.
Factory Capabilities at YIDI Motion – Built for Scale and Precision
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD., trading as YIDI Motion since 2020. We're not a trader – 100 employees, 30% senior techs, running three shifts in Shijiazhuang.
Equipment? Imported grinders from DMG Mori Japan, roll-forming lines from Germany. CBN wheels for mirror finishes, Renishaw probes for in-process gauging. Full metrology lab: CMMs hitting 1.5um accuracy, roundness testers to 0.5um.
Workflow: Bar stock inspection (ultrasonic), rough turning, induction hardening, multi-pass grinding (pre, travel, post), nut assembly under cleanroom laminar flow. 100% dynamic stiffness test before pack.
Export track record: 50+ countries. Germany loves our C5 ground screws for 5-axis mills. US importers take rolled for plasma tables. Canada for wood CNCs. Japan OEMs audit us yearly.
Address: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China. Phone: +86 18134111662. Full contact page – wait, no links? Just call.
- Capacity: 5,000m ball screw/month.
- Lead time: Prototypes 5-10 days; production 20-35 days.
- OEM/ODM: Full branding, your part numbers.
- One-stop linear motion: Pair with guides, actuators, splines.
Technical Specifications & Customization Options
Here's the meat. We spec to your needs, but here's our core range for CNC service.
| Type | Dia (mm) | Lead (mm) | Accuracy | Dyn Load (kN) | Max Length (m) |
|---|---|---|---|---|---|
| Rolled SFU | 16-50 | 5-20 | C7 | 12-45 | 4.5 |
| Ground Dia | 20-80 | 10-50 | C3/C5 | 25-120 | 6 |
| DFU Nut | 25-63 | 5-32 | C5 | 20-80 | 5 |
ball screw cnc cnc ball screw ball screw in cnc
Materials: SCM440H chrome-moly, vacuum degassed. Options: Stainless 440C for washdown CNCs, or bronze nuts for dirty environments.
Customization table:
| Feature | Options |
|---|---|
| End Machining | Cylindrical, flange, external thread |
| Preload | Standard 2%, heavy 5%, adjustable |
| Coating | Black oxide, phosphate, no rust for 1 year |
Request full catalog PDF – covers tolerances to JIS B1192.
Real-World CNC Applications – Where We Shine
CNC routers for composites: Our 32mm dia, 10mm lead C5 screws handle rapid traverses at 40m/min.

5-axis mills: Ground dia ballscrews with double nuts for zero-backlash contouring.
Lathes: High-lead rolled for fast X/Z positioning, saving 10-15s per cycle.
Even gantry positioners: 63mm dia, 32mm lead, supporting 5-ton stages.
Procurement note: Match screw inertia to your servo – we calculate it free.
Installation and Maintenance Realities – Field-Tested Advice
Alignment is king. Use laser tools for parallelism <0.02mm/1000mm. Torque nuts to spec – overdo it, you preload the bearings.
Lube every 100-200 hours: Grease with EP2 for ballscrews. Wipe wipers weekly; replace yearly.
Warning: Don't run dry – balls skid, pitting starts at 10^6 revs.
Retrofit tip: Measure effective stroke including overtravel. We design extra 50mm buffer.
Many ops managers overlook thermal growth: 12ppm/°C. Our calc sheets predict it.
Global Logistics from Hebei to Your Door – Seamless to USA
FOB Xingang port, 25-35 days sea to LA/NY. Air for prototypes: 5-7 days DHL.
Packing: Anti-rust paper, foam supports, plywood crates. Fumigation certs standard.
20' container: 8-10 tons ball screws. Duties? HS 8483.40 – we provide invoice tweaks.
Tracked from our floor. Last US shipment: 2.5 tons to Texas, door-delivered 28 days.
Get your shipping plan: Email specs, we'll quote CIF.
Buyer FAQs – Straight Answers from Experience
- What's the MOQ for custom ball screw CNC service?
- 1 unit prototype. 10+ for production pricing.
- C3 vs C5 accuracy – when to spec which?
- C3 for ultra-precision EDM/CAM. C5 covers 95% CNC routers/mills. Saves 20% cost.
- Can you repair my existing ball screw?
- Yes – send it, we regrind/regauge. Often 60% cheaper than new.
- Lead times during peak season?
- Base 25 days; +10 for ground customs. Stock rolled ships 3 days.
- OEM labeling?
- Your logo etched or lasered. Full private label available.
What Partners Say – Real Procurement Feedback
Mark T., Procurement Mgr, Texas CNC Builders
"Switched to YIDI for our 25mm gantry screws. Backlash down 0.015mm, machines cut faster. Logistics smooth – full container on time."
Anna K., Ops Director, Canadian Automation
"Custom DFU nuts for wood CNC. Preload perfect, no bind after 2000 hours. Engineer Adam walked us through install."
John R., Engineer, US Plasma Table Maker
"Rolled 40mm lead for rapids. Half the price of THK, same life. Will reorder."
Certifications & Compliance – Peace of Mind for Importers
ISO 9001:2015 certified. RoHS compliant materials. CE marking for EU. Full test reports to DIN 69051.
Every batch serialized, traceable to raw material heat #.
Ready to Move Forward on Your Ball Screw CNC Project?
No risk – free engineering consult, samples at cost.
- Get Factory Pricing: +86 18134111662
- Request Specs: adam@yidimotion.com
- Upload Drawing: For 24hr quote
Start your inquiry now – ships worldwide.
About the Author
Adam Li, Export Manager
15+ years in linear motion exports. Handled 500+ CNC projects from US integrators to EU machine builders. On the floor weekly, optimizing our ball screw CNC service.
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. | +86 18134111662 | adam@yidimotion.com | Contact


