Payment Terms | D/P,T/T,Western Union |
Supply Ability | 10000PCS/month |
Delivery Time | 30 days |
Packaging Details | Wooden box |
Product Material | Carbon steel Boron steel 35mnB |
Tolerance | Tight |
Dimension | customized |
Features | High Precision, Durable |
Surface | Anodized |
Plating | Zinc |
Material | Metal |
Precision | High |
Brand Name | Qingdao Sande Tech Co.,Ltd |
Model Number | OEM |
Certification | ISO, DIN, AISI, ASTM, BS, JIS, etc. |
Place of Origin | Qingdao, China |
View Detail Information
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Product Specification
Payment Terms | D/P,T/T,Western Union | Supply Ability | 10000PCS/month |
Delivery Time | 30 days | Packaging Details | Wooden box |
Product Material | Carbon steel Boron steel 35mnB | Tolerance | Tight |
Dimension | customized | Features | High Precision, Durable |
Surface | Anodized | Plating | Zinc |
Material | Metal | Precision | High |
Brand Name | Qingdao Sande Tech Co.,Ltd | Model Number | OEM |
Certification | ISO, DIN, AISI, ASTM, BS, JIS, etc. | Place of Origin | Qingdao, China |
High Light | greenhouse window gear rack ,precision gear rack transmission ,high precision transmission system |
Agricultural Greenhouse Window - Opening Gear - Rack Transmission Components
Product Overview
The Gear-Rack Transmission System is a robust and precision-engineered mechanism designed for the smooth and reliable operation of automated greenhouse windows. It ensures efficient ventilation control by converting rotary motion into linear movement, allowing for adjustable, stable, and low-maintenance window opening/closing in agricultural greenhouses.
Key Features
✔ High Durability – Corrosion-resistant materials (e.g., hardened steel or weatherproof polymers) for long-term outdoor use.
✔ Precision Movement – Minimized backlash and smooth engagement for consistent window positioning.
✔ Low Maintenance – Self-lubricating or sealed designs reduce wear and environmental contamination.
✔ Modular Compatibility – Adaptable to various greenhouse designs (Venlo, arched, etc.) and actuator types (electric, hydraulic, or manual).
✔ Energy Efficiency – Optimized gear ratios reduce motor load, lowering power consumption.
Applications
Technical Advantages
High load capacity for large or heavy windows.
Weatherproof coatings to resist moisture, dust, and UV degradation.
Customizable lengths and gear ratios for tailored greenhouse requirements.
Technical Specifications
Parameter | Specification | Unit | Remarks |
---|---|---|---|
Material | Hardened Steel / Weatherproof Nylon | – | Anti-corrosion, UV-resistant |
Module (Gear Size) | 1.5 / 2 / 2.5 / 3 | mm | Customizable |
Rack Length | 500–3000 (standard), >3000 (custom) | mm | Segmented or continuous design |
Gear Ratio | 1:1 / 2:1 / Custom | – | For torque/speed optimization |
Load Capacity | 500–2000 (static), 300–1500 (dynamic) | N | Depends on material |
Operating Temperature | -30°C to +80°C | °C | Suitable for extreme climates |
Backlash | ≤0.1 (precision grade), ≤0.2 (standard) | mm | Ensures smooth motion |
Lubrication | Grease-filled / Self-lubricating / Maintenance-free | – | Long service life |
Protection Rating | IP54 / IP65 (optional) | – | Dust/water resistance |
Mounting Type | Horizontal/Vertical, Bolt-on/Slotted | – | Flexible installation |
Compatibility | Electric actuators (24V/48V DC), Manual crank | – | Integrates with co |
FAQ
Frequently Asked Questions (FAQ) – Gear-Rack Transmission for Greenhouse Windows
1. General Questions
Q: What is the primary function of this gear-rack transmission system?
A: It converts rotary motion (from an actuator or manual crank) into linear motion to automate the opening/closing of greenhouse windows, enabling precise ventilation control.
Q: What types of greenhouses is this system suitable for?
A: Compatible with Venlo, arched, multi-span, and single-span greenhouses, as well as retrofit upgrades for existing structures.
2. Installation & Compatibility
Q: How do I install the gear-rack system?
A: The rack mounts along the window frame, while the pinion gear connects to the actuator. Bolt-on or slotted designs allow flexible alignment. Detailed manuals are provided.
Q: Can it integrate with my existing automation system?
A: Yes, it works with 24V/48V DC electric actuators, hydraulic systems, or manual cranks. Optional encoders enable IoT/smart farming compatibility.
Q: What if my greenhouse has curved windows?
A: Custom curved racks or segmented designs are available upon request.
3. Performance & Durability
Q: What’s the lifespan of these components?
A: 10+ years for steel gears (with proper lubrication); 5–8 years for polymer racks in UV-heavy environments.
Q: How much weight can the system handle?
A: Static load capacity ranges from 500N to 2000N, depending on material and gear size. Dynamic loads are lower (see specs).
Q: Will it withstand rain, dust, or humidity?
A: Yes. Standard IP54 protection resists dust/water splashes; IP65 (optional) provides full dustproofing and hose-down resistance.
4. Maintenance & Troubleshooting
Q: How often should I lubricate the gears?
A: Self-lubricating versions require no maintenance. Grease-filled gears need re-lubrication every 6–12 months (varies by climate).
Q: What if the rack gets stuck or noisy?
A: Check for debris, misalignment, or lubrication issues. Noise may indicate wear—replace if backlash exceeds 0.2mm.
Q: Can I replace only the rack or gear separately?
A: Yes, components are modular. Ensure the new part matches the module (e.g., 2mm) and material.
5. Customization & Ordering
Q: Do you offer custom lengths or materials?
A: Yes. Racks can be cut to exact lengths, and materials include stainless steel, nylon, or coated alloys for harsh conditions.
Q: What’s the lead time for non-standard orders?
A: Typically 4–6 weeks for custom specs (e.g., helical gears, sensor integration).
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2018
Employee Number:
>63
Ecer Certification:
Verified Supplier
Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful qua... Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful qua...
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