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Raydafon Group presents the DRV series – a robust combination of double worm gearboxes engineered for industrial applications requiring high torque, compact design, and reliable speed reduction. Manufactured with precision-machined worm shafts and bronze worm wheels, these gearboxes deliver smooth, quiet operation and extended service life in demanding environments such as conveyor systems, packaging machinery, food processing, and material handling equipment.
Key Advantages at a Glance
Below are typical specifications for standard DRV models. Custom reduction ratios, shaft dimensions, and mounting arrangements are available upon request.
| Model | Ratio | Input Power (kW) | Output Torque (Nm) | Center Distance (mm) | Weight (kg) |
|---|---|---|---|---|---|
| DRV‑40 | 10:1 – 60:1 | 0.12 – 0.55 | up to 60 | 40 | 3.5 |
| DRV‑50 | 10:1 – 80:1 | 0.18 – 1.1 | up to 120 | 50 | 5.8 |
| DRV‑63 | 10:1 – 100:1 | 0.25 – 2.2 | up to 250 | 63 | 9.2 |
| DRV‑75 | 10:1 – 100:1 | 0.37 – 4.0 | up to 500 | 75 | 14.5 |
| DRV‑90 | 10:1 – 120:1 | 0.55 – 7.5 | up to 900 | 90 | 22.0 |
| DRV‑110 | 10:1 – 150:1 | 1.1 – 15.0 | up to 1800 | 110 | 38.0 |
* Ratios and ratings are indicative. Consult our engineering team for exact values and custom designs.
| Combination Type | Input Stage | Output Stage | Total Ratio Range | Max Input kW | Max Output Nm |
|---|---|---|---|---|---|
| DRV‑40+50 | DRV‑40 | DRV‑50 | 100:1 – 4800:1 | 0.55 | 120 |
| DRV‑50+63 | DRV‑50 | DRV‑63 | 100:1 – 8000:1 | 1.1 | 250 |
| DRV‑63+75 | DRV‑63 | DRV‑75 | 100:1 – 10000:1 | 2.2 | 500 |
| DRV‑75+90 | DRV‑75 | DRV‑90 | 100:1 – 12000:1 | 4.0 | 900 |
| DRV‑90+110 | DRV‑90 | DRV‑110 | 100:1 – 18000:1 | 7.5 | 1800 |
Every DRV gearbox undergoes 100% inspection including gear tooth geometry, hardness testing, runout, and noise/vibration analysis. We provide material certificates and can arrange third‑party inspection upon request. Full traceability from raw material to final assembly is maintained.
Raydafon specialises in tailor‑made worm gearboxes. We can modify existing DRV designs or develop entirely new units based on your performance requirements, space constraints, and connection interfaces. Common customisations include:
Request a free sample or custom quote – our engineers respond within 24 hours with competitive factory pricing.
Partner with Raydafon Group – Your Trusted DRV Gearbox Manufacturer
Get reliable double worm gearboxes tailored to your industrial needs. Request a quote, a free sample, or technical consultation today. Our team responds within 24 hours.
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Luotuo Industrial Area, Zhenhai District, Ningbo City, China
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