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Custom Manufacturing & Engineering Support

March 2025 6 min read Custom Service

Standard products don't always fit perfectly. RFU Motion offers custom manufacturing services to match your exact specifications.

1. Custom Machining Capabilities

We modify standard products to meet your unique requirements:

  • Shaft end machining: Turning, threading, keyways, grooves, custom end configurations — 5-15 working days
  • Non-standard lengths: Cut to your specified length (±0.5mm tolerance) — 5-7 working days
  • Special threads: Metric, inch, or custom thread specifications — 7-10 working days
  • Mounting hole customization: Thread size, pattern, depth modifications — 5-7 working days
  • Preload adjustment: Custom preload values (light, medium, heavy) — Standard
  • Material substitution: Stainless steel, coated materials — 15-20 working days

2. Custom Ball Screws

  • Length: Standard lengths or any length up to 3000mm
  • End machining: Standard configurations or according to your drawing
  • Lead: Standard leads (5,10,20mm) or special leads on request
  • Accuracy grade: C7, C5, C3 or custom combinations
  • Preload: Z0, Z1, Z2 or specific preload values
  • Material: GCr15 bearing steel or stainless steel, coated

3. Custom Linear Guides

  • Rail length: Standard increments or any length up to 4000mm
  • Preload: Z0, Z1, Z2 or custom preload values
  • Accuracy: C3, C5 or H, P grades
  • Material: GCr15 or stainless steel
  • Coating: None, black oxide, electroless nickel, or DLC

4. Engineering Support Process

Step 1: Requirements gathering — Share your drawing or specifications. Provide application details (load, speed, environment, duty cycle). Discuss any special requirements.

Step 2: Feasibility review — Our engineering team reviews your requirements. Confirm manufacturing feasibility and lead time. Provide quotation.

Step 3: Sample approval (for complex custom orders) — First article inspection report provided. Sample testing prior to full production (upon request).

Step 4: Production and delivery — Manufacturing per approved specifications. Quality inspection at each stage. Final inspection report included.

5. Information Needed for Custom Quote

To provide an accurate quotation, please include:

  • Drawing: CAD file (DWG, STEP, PDF) or clear sketch with dimensions
  • Material specification: Standard or special material requirements
  • Quantity: Single piece or production run
  • Tolerances: Critical dimensions and required accuracy
  • Surface treatment: Coating or plating requirements
  • Delivery timeline: Required delivery date
Pro Tip:

Friendly Reminder: For urgent custom requirements, please contact us to discuss your delivery timeline. We will evaluate and do our best to adjust our production schedule to provide you with the fastest possible solution. (An expediting fee may apply based on the situation.)

Frequently Asked Questions

Q: Do you provide engineering drawings for approval?
A: Yes, for custom orders we provide dimensional drawings for your approval before production.

Q: What is the typical lead time for custom orders?
A: Standard custom work: 7-15 working days. Complex custom work: 15-25 working days.

Q: Is there a minimum order quantity for custom products?
A: No, we accept custom orders for single pieces as well as production runs.

Q: Can you match my existing components from other brands?
A: Yes, we can reverse-engineer and manufacture components to match your existing equipment.

Conclusion

Send us your drawing and specifications — our engineering team will respond within 24 hours with feasibility feedback and a quotation.

Ready to start your custom project?

Have a custom requirement?

Request a Custom Quote →