Gear Rack
What is the Gear Rack?
Gear rack are the core linear transmission components of gear transmission systems. Through meshing with gears, they precisely convert rotary motion into linear reciprocating motion. They possess core advantages such as high transmission efficiency, unlimited stroke, strong load-bearing capacity, and stable positioning accuracy, making them fundamental transmission components in industrial automation, precision machine tools, automated storage and retrieval systems, lifting equipment, and intelligent conveyor production lines.
Compared to traditional screw and belt drives, precision rack and pinion drives can achieve ultra-long stroke and high-speed operation without deflection, deformation, or slippage. They are suitable for heavy-duty, high-speed, high-precision, and long-endurance industrial conditions and are currently the mainstream transmission solution for high-end automated equipment. Our company has been deeply involved in rack and pinion R&D and production for 12 years. All our products are manufactured in accordance with ISO 1328 gear precision standards and DIN German industrial standards, with full quality inspection and traceability to ensure product stability and durability.
Models
Types of Gear Rack
1. Straight Gear Rack (Standard Universal Model)
- Core Parameters: Module 0.5–12, Accuracy DIN 8–10, Standard Length 1000mm/2000mm, Can be Interlocked and Spliced Infinitely
- Material Selection: 45# Steel, 40Cr, Stainless Steel 304/316
- Surface Treatment: Blackening, Quenching, Tempering, Galvanizing, Grinding and Polishing
- Applicable Scenarios: General Automated Conveying Equipment, Lifting Machinery, Woodworking Machinery, Light Machine Tool Transmission
- Product Advantages: Simple Structure, Easy Installation, High Cost-Effectiveness, Extremely Versatile, Ample Stock Available in Bulk
2. Helical Gear Rack (High-Speed Quiet Model)
- Core Parameters: Module 1–8, Helix Angle 20°, Accuracy DIN 7–8, Transmission Noise Below 65dB
- Material Selection: 40Cr Alloy Steel, 20CrMnTi Carburized Steel
- Processing: Overall Tempering + High-Frequency Quenching of Tooth Surface, Hardness HRC 52–58
- Applicable Scenarios: High-speed gantry milling machines, laser cutting machines, automated gantry cranes, high-speed material handling robots
- Product Advantages: Smoother meshing, less impact, lower noise, vibration-free high-speed operation, and service life increased by over 40%.
Features
- Rigorous material selection ensures maximum durability.
All raw materials are sourced from reputable domestic steel mills, with each batch accompanied by a material testing report, eliminating the use of inferior or substandard steel. For special operating conditions such as humidity, corrosion, heavy loads, and high speeds, stainless steel and alloy steel are specifically matched to prevent tooth surface wear, breakage, and deformation from the outset. The product's fatigue life can reach over 30,000 hours, far exceeding the industry standard.
- Hardening process, wear-resistant and impact-resistant.
The heat treatment process is customized according to the product application. Multiple processes such as high frequency quenching, overall tempering and carburizing quenching are available. The tooth surface has uniform hardness, and the toughness and wear resistance are balanced. It avoids the rapid wear of soft tooth surfaces and eliminates the problem of brittle cracking of hard tooth surfaces. It is suitable for 24-hour uninterrupted industrial continuous operation scenarios.
- Non-standard customization, adaptable to all scenarios.
Supports secondary processing such as cutting to any length, module customization, tooth profile correction, drilling and tapping, chamfering and polishing. Custom rack solutions can be customized according to customer equipment drawings and working parameters, eliminating the need for secondary modification by customers and significantly reducing assembly costs and time.
Application
Leveraging its high precision, high stability, and high durability, ANJO racks are widely used in various industrial transmission fields, compatible with mainstream automation equipment both domestically and internationally. Exported to over 30 countries and regions worldwide, they have garnered a large number of long-term cooperative clients.
- Automation Equipment: Gantry cranes, linear slides, handling robots, loading and unloading equipment
- Precision Machine Tool Industry: Laser cutting machines, engraving machines, CNC machining centers, CNC grinding machines
- Warehousing and Logistics Industry: Automated warehouse stacker cranes, intelligent conveyor lines, shuttle drive systems
- Heavy Lifting Industry: Overhead cranes, gantry cranes, lifting platforms, heavy-duty mobile equipment
- Special Working Conditions: Food machinery, pharmaceutical equipment (stainless steel rust-proof racks), outdoor construction machinery
Company Profile
FAQ
Q1: How to precisely match racks and gears? Do they need to be matched with the same module?
A1: Racks and gears must be strictly matched with the same module and pressure angle. Mixing racks with different modules is prohibited; otherwise, problems such as meshing jamming, tooth wear, broken teeth, and transmission accuracy failure will occur. All our racks are compatible with standard gears of the same specification, and we can provide one-to-one gear matching selection and support customization of complete transmission components.
Q2: What causes noise and vibration in rack and pinion drives? How to solve it?
A2: Rack and pinion drive noise and vibration mainly stem from three reasons: 1. Excessive tooth meshing clearance or installation parallelism deviation; 2. Improper selection, such as using ordinary spur racks for heavy-duty applications; 3. Lack of lubrication or wear due to impurities on the tooth surfaces. Solutions: For high-speed applications, prioritize replacing with helical racks, adjust installation level and meshing clearance, regularly add gear grease, and for high-precision equipment, use ground racks to completely resolve vibration and noise issues and ensure stable equipment operation.
Q3: Can gear racks be quenched? What are the advantages of quenching?
A3: All carbon steel and alloy steel gear racks can be customized with high-frequency quenching, overall tempering, and carburizing quenching treatments. Stainless steel gear racks can undergo hardening and strengthening treatments. Quenching significantly increases the surface hardness of the gear teeth, and significantly enhances wear resistance, impact resistance, and deformation resistance. This allows them to withstand continuous 24-hour heavy-duty operation, extending their service life by more than 50% compared to unquenched gear racks, effectively reducing the frequency of equipment parts replacement and maintenance costs.
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