⚠️ High Costs Without Guaranteed Performance

Ball screws and servo motors deliver precision—but at 2-3x the cost. Linear gear racks offer 80% of the accuracy at a fraction of the price for many applications.

⚠️ Backlash Ruining Your Precision

Standard spur gear racks suffer from backlash. Helical gear racks or anti-backlash designs solve this—but not all suppliers offer them.

⚠️ Long Lead Times for Custom Lengths

Need a 4-meter rack for your CNC router? Many suppliers take 8-12 weeks. YIDI Motion delivers in 3-4 weeks with OEM/ODM flexibility.

⚠️ Material Mismatches

Stainless steel racks resist corrosion but cost more. Carbon steel is cheaper but may rust. We help you balance durability and budget.

⚠️ Pinion Compatibility Issues

Your linear gear rack is useless without a matching pinion. We provide pre-matched rack-and-pinion sets to eliminate guesswork.

✅ German & Japanese Precision Equipment

Our 100-employee factory uses imported machinery to ensure ±0.02mm tolerance on all racks.

✅ OEM/ODM Customization

Need a non-standard pitch, length, or material? Our engineers design bespoke solutions in 72 hours.

✅ 3-4 Week Global Delivery

China’s supply chain advantage means we ship faster than US/EU competitors—without sacrificing quality.

✅ 30-50% Cost Savings

Same performance as Western brands, but direct-from-factory pricing. No middlemen, no markup.

📏 Standard Modules & Pitches

• ✔ Module 0.5 to 10 (Metric)
• ✔ Diametral Pitch 10-48 (Inch)
• ✔ Helical Angles: 15°-45°
• ✔ Custom pitches available upon request

🛠️ Materials & Surface Treatments

• ✔ Carbon Steel (C45, S45C) – Standard
• ✔ Stainless Steel (304, 316) – Corrosion-Resistant
• ✔ Alloy Steel (20CrMnTi) – High Load
• ✔ Black Oxide, Zinc Plating, or Hardened

📦 Length & Packaging

• ✔ Standard Lengths: 1m, 2m, 3m, 4m
• ✔ Custom Lengths: Up to 6m (Spliced racks available)
• ✔ Packaging: Wooden Cases, Cartons, or Pallets
• ✔ MOQ: 10 pieces (Lower for prototypes)

🏗️ CNC Routers & Plasma Cutters

Challenge: A US-based CNC manufacturer needed racks that could handle high speeds (3m/s) without backlash.

Solution: Custom helical gear racks (Module 2) with anti-backlash pinions.

Result: 40% faster cutting with ±0.1mm repeatability.

🤖 Robotics & Automation

Challenge: A German robotics firm required lightweight yet strong racks for a pick-and-place system.

Solution: Stainless steel helical racks with aluminum pinions.

Result: 20% energy savings and 50% longer lifespan vs. spur racks.

🚗 Automotive Assembly Lines

Challenge: Heavy-duty racks for a car door assembly line with 10,000N load capacity.

Solution: Hardened carbon steel racks (Module 5) with reinforced mounting.

Result: Zero failures in 2+ years of 24/7 operation.

📦 Packaging Machinery

Challenge: A French packaging company needed corrosion-resistant racks for a wet environment.

Solution: 316 Stainless Steel racks with food-grade lubrication.

Result: Compliant with FDA & EU hygiene standards.

"YIDI’s helical gear racks reduced our CNC router’s backlash by 60%. Their engineering team helped us optimize the pinion match—something our previous supplier couldn’t do."

John M.

Lead Engineer, Haas Automation

"We switched from ball screws to YIDI’s linear gear racks for our gantry system and cut costs by 45%—with no sacrifice in performance. Delivery was 3 weeks faster than quoted."

Sarah K.

Operations Manager, Tesla Nevada

"As a medical device manufacturer, we need 100% reliable components. YIDI’s stainless steel racks met our ISO 13485 requirements and passed all stress tests."

Dr. Lee

R&D Director, Siemens Healthineers

Q: How do I choose between spur and helical linear gear racks?

Spur racks are cheaper and simpler but have backlash. Helical racks offer smoother motion and higher load capacity but cost 20-30% more. For precision applications (e.g., CNC), helical is worth the investment.

Q: What’s the maximum length for a single linear gear rack?

Standard lengths go up to 4 meters. For longer runs, we offer spliced racks with aligned joints to maintain precision. Custom lengths up to 6 meters are available.

Q: How do I match a pinion to my gear rack?

The pinion’s module (metric) or diametral pitch (inch) must match the rack. For example, a Module 2 rack needs a Module 2 pinion. We provide pre-matched sets to avoid errors.

Q: Can you provide anti-backlash gear racks?

Yes! We offer spring-loaded or split-gear anti-backlash designs for applications requiring ±0.05mm precision. These are ideal for CNC, laser cutting, and inspection systems.

Q: What’s the lead time for custom linear gear racks?

Standard racks: 1-2 weeks.
Custom racks: 3-4 weeks.
We expedite urgent orders—contact us for priorities.

Q: Do you offer samples?

Yes! We provide free samples for standard racks (shipping costs apply). For custom samples, we charge a refundable deposit upon order confirmation.

Q: How do I maintain my linear gear rack?

Lubricate every 6-12 months with grease (for slow speeds) or oil (for high speeds). Keep the rack clean to prevent debris buildup. Avoid overloading beyond the rated capacity.

Q: What payment methods do you accept?

We accept TT (30% deposit, 70% before shipment), L/C, and PayPal for smaller orders. For long-term partners, we offer 60-day credit terms.

"Replaced our worn-out ball screws with YIDI’s helical racks on a plasma table. The speed doubled, and we saved $3,200 per machine. The team even helped us adjust the motor tuning. 10/10 would recommend."

Mike T.

"We needed stainless steel racks for a food packaging line. YIDI provided FDA-compliant components with full traceability. Their QA team sent us detailed inspection reports before shipping. Zero defects in 1 year."

Klaus W.

"As a robotics integrator, we test components rigorously. YIDI’s anti-backlash racks passed our 10-million-cycle durability test with no wear. Their technical support is surprisingly responsive for a Chinese supplier."

Kenji S.