Weigao Four Major Reducer Series with Rack Compatibility: Integrated Transmission Solution

I. Product Overview

Weigao four major reducer series with rack compatibility, including Planetary, ZQH Cylindrical, B Cycloidal Pinwheel and X Cycloidal Pinwheel series, are integrated transmission systems optimized for rack-and-pinion drive scenarios. Tailored for high-precision linear motion and heavy-load transmission needs in industries such as intelligent logistics, construction machinery, and metallurgy, these series overcome the shortcomings of traditional rack-matched reducers such as poor meshing synchronization, limited load capacity, and low adaptability. Compliant with GB/T 30555-2014, ISO 6336 and ATEX standards, they feature rack-specific gear modification, reinforced housing structures, and adaptive lubrication systems. Boasting advantages of precise rack meshing, series-specific scenario adaptation, strong load-bearing capacity, and stable operation, they operate stably at -20℃ to +110℃, serving as core components for rack-driven linear transmission worldwide.

II. Core Advantages

1. Planetary Series: High-Precision Rack Linear Drive

The Planetary series is optimized for high-precision rack linear motion, adopting integrated sun gear-planet carrier structure and rack-specific tooth profile modification. Gears are made of 20CrNiMo alloy steel, undergoing carburizing quenching and five-axis precision grinding, with tooth surface hardness up to HRC 60-64 and roughness ≤Ra 0.03μm. The tooth profile is modified to match rack meshing characteristics, reducing contact stress by 20% and ensuring synchronization error ≤0.02mm. Single-stage transmission efficiency reaches 97%-98.5%, torque density up to 19Nm/cm³, and backlash controlled within ≤1arcmin (precision grade). It is suitable for high-precision scenarios such as intelligent warehouse stackers and CNC machine tool feed axes, with the multi-tooth meshing design enabling it to withstand 3 times rated load impact, ensuring stable rack-driven linear motion.

2. ZQH Cylindrical Series: Heavy-Load Explosion-Proof Rack Drive

The ZQH Cylindrical series is designed for heavy-load and hazardous environment rack drive, integrating arc tooth profile meshing and explosion-proof structure. Arc gears made of 20CrMnTi steel increase meshing contact area by 40%, with tooth surface hardness up to HRC 60-64, suitable for matching large-module racks in mining and oilfield scenarios. It covers transmission ratio 3.5:1-1728:1, rated torque 1500Nm-50000Nm, and power 5.5kW-200kW. Certified by ATEX explosion-proof standard, it adopts IP65/IP66 protection with flameproof joint design, preventing explosive gas intrusion. The circulating oil lubrication with cooler controls operating temperature below 90℃, adapting to 24-hour continuous rack-driven transmission in coal mines and chemical plants, withstanding 4 times rated load instantaneous impact.

3. B Cycloidal Pinwheel Series: Flexible Installation Rack Drive

The B Cycloidal Pinwheel series features 180° offset eccentric sleeve drive and modular mounting design, ideal for rack drive in narrow spaces. Needle tooth sleeves made of wear-resistant alloy steel realize rolling friction, reducing friction coefficient to 0.018 and extending rack meshing life by 2.5 times. It supports foot-mounted, flange-mounted and shaft-mounted modes, with transmission ratio 9:1-5133:1, rated torque 150Nm-20000Nm, and power 0.37kW-75kW. Standard IP55 protection (optional IP65) resists dust and moisture, with operating noise ≤58dB at 1m. Suitable for construction machinery and agricultural equipment rack drives, the quick-disconnect modular structure reduces installation time by 40%, adapting to on-site layout adjustments and ensuring stable rack-matched transmission.

4. X Cycloidal Pinwheel Series: Cost-Effective Universal Rack Drive

The X Cycloidal Pinwheel series is a cost-effective option for universal rack drive, adopting double-eccentric H mechanism and GCr15 bearing steel gears. Gears undergo surface nitriding treatment, with tooth surface hardness up to HRC 60-64, ensuring reliable meshing with standard racks. It covers transmission ratio 6:1-7569:1, rated torque 120Nm-18000Nm, and power 0.37kW-90kW, with single-stage efficiency 90%-95% and two-stage efficiency 85%-90%. The grease-oil dual lubrication system reduces maintenance costs by 30%, with IP65 universal protection resisting dust and sewage. Suitable for general industrial scenarios such as textile machinery and grain conveyors, the multi-tooth meshing (contact ratio ≥30%) ensures uniform load distribution, withstanding 5 times rated load impact and meeting mass production rack drive needs.

III. Typical Application Fields

• Intelligent Logistics: Warehouse stackers, sorting line linear drives, Planetary series ensuring high-precision rack synchronization
• Mining Industry: Mine tunnel rack lifts, ZQH series with explosion-proof design adapting to dusty hazardous environments
• Construction Machinery: Building hoist rack drives, B series with flexible mounting matching narrow space layout
• General Industrial: Textile machine linear adjustment, X series with cost-effectiveness meeting mass production needs
• CNC Equipment: Machine tool feed axes, Planetary series ultra-low backlash ensuring rack-driven positioning accuracy

IV. Key Technical Parameters

V. Installation & Maintenance

Select models based on rack module, load capacity, precision requirement and working environment (refer to the specification table). Ensure meshing clearance between reducer output gear and rack is 0.1-0.3mm, fasten bolts with specified torque (30-150N·m based on series and size) in diagonal sequence. Regularly inspect meshing wear, lubrication status and sealing performance, calibrate backlash every 12 months for precision models. Avoid overload operation exceeding series-specific limits (3-5 times rated load), and use rack-specific lubricant to extend service life. Entrust complex maintenance to professional technicians.

Weigao four major reducer series with rack compatibility adhere to the philosophy of "series differentiation, precise matching, and reliable transmission". Each series is optimized for specific rack drive scenarios, breaking through traditional reducers' meshing and adaptability limitations. Backed by strict quality control and professional after-sales service, they provide customized transmission solutions for intelligent manufacturing, mining, and construction industries, establishing itself as a trusted global partner in rack-driven linear transmission.

Click to enter the  3D Selection System

Download

1）WGT Product Catalog PDF（Download in Overseas area）

1.1）WGT Product Catalog PDF（Download in China）

2）WGT motor  Product Catalog （Download in Overseas area）

2.2）WGT motor  Product Catalog （Download in China）