3-Stage Gearbox (2 UDL 1.5kW and 1 WPDO 100)

The 3-Stage Gearbox (2 UDL 1.5kW and 1 WPDO 100) is a gearbox line combined by a mechanical speed variator (UDL) and a 2-stage gearbox to form a 3-stage gearbox device designed to handle medium to heavy-duty tasks while maintaining high efficiency. Thanks to its durable structure and deep reduction capability, the product is suitable for various industrial lines. This is an optimal choice for systems requiring low speed but strong pulling force.

General design of the 3-Stage Gearbox (2 UDL 1.5kW and 1 WPDO 100)

The outer casing of the 3-Stage Gearbox (2 UDL 1.5kW and 1 WPDO 100) is made of solid cast iron or cast aluminum, protecting the entire internal mechanism, increasing rigidity, and minimizing vibration during operation. The input-output shafts, flanges, and mounting brackets are reasonably arranged, convenient for installation, connection with motors, and other machinery systems. The integrated oil seal, bearing, and ventilation slot system help the device dissipate heat efficiently, operate smoothly, and extend the lifespan of the entire drive assembly.

Structure of the 3-Stage Gearbox (2 UDL and 1 WPDO)

The 3-stage gearbox 2 UDL 1.5kW and WPDO 100 consists of a 1.5kW 2Hp motor speed regulator combined with a 2-stage gearbox UDL 1.5kW – WPDO 100 to form a compact and flexible 3-stage drive system with the following structure:

Variator structure:

• Variable speed disc system: Includes cone discs and friction discs, allowing continuous transmission ratio changes to adjust the output speed as required.
• Main power transmission shaft: The input shaft receives power from the motor, and the output shaft delivers the adjusted speed stably and evenly.
• Handwheel adjustment mechanism: Knob or lever creates pressure on the discs, flexibly controlling fast-slow speed according to operating needs.
• Protective housing & bearing assembly: Cast iron/aluminum housing protects the entire mechanism; bearings and oil seals keep movement smooth, reduce vibration, and increase equipment lifespan.

Structure of the 2-stage gearbox UDL 1.5kW – WPDO 100:

• 1-Stage: UDL mechanical speed variator uses a planetary gear mechanism for flexible and smooth speed change.
• 2-Stage: Worm gearbox, specifically the WPDO 70 worm gearbox applying worm-worm wheel transmission, creating high torque and smooth operation.
• Bearing shaft and coupling system ensure firm connection between stages, reduce friction, and maintain stable movement.
• Compatible design with electric motors, easily paired with 1-phase or 3-phase motors to form a complete drive assembly.

Technical specifications of the 3-Stage Gearbox (2 UDL 1.5kW and 1 WPDO 100)

Below is the detailed technical data of each individual device making up this complete 3-stage gearbox combination, helping you easily compare and apply it to production line design:

Technical specifications of the UDL 1.5kW motor speed variator

The UDL 1.5kW (2Hp) mechanical speed variator features a flexible variation range and standard flange type for easy concentric assembly. Specifically, the dimensions and working capacity of the equipment are standardized as follows:

Technical specifications of WPDO 100 worm gearbox

Responsible for the final drive stage to amplify torque, the WPDO 100 worm gearbox features a sturdy housing structure and standard load shaft dimensions. Parameters regarding flange, shaft diameter, and overall dimensions are clearly shown in the data table below:

Applications of the 3-stage gearbox (2 UDL 1.5kW and 1 WPDO 100)

This 3-Stage Gearbox (2 UDL 1.5kW and 1 WPDO 100) is connected to an electric motor, more specifically a 3-phase electric motor – 3-phase electric motor 1.5kW 2Hp, with applications in industries such:

• Production conveyors: supports stable operation with slow speed and high pulling force for material handling lines.
• Mixers and agitators: meets high torque requirements for mixing thick materials, chemicals, or food.
• Packaging systems: maintains uniform speed to help pulling, pressing, and film wrapping mechanisms operate precisely.
• Light-duty lifting and handling equipment: suitable for lifting, rotating, and slow pulling mechanisms requiring safety and stable thrust.

How to install the WPDO gearbox and 2 UDL mechanical speed variators to form a 3-stage gearbox

Combining 2 UDL mechanical speed variators and 1 WPDO gearbox to form a 3-stage drive assembly requires meticulousness to ensure the concentricity of the system, helping the machine operate smoothly, reduce friction, and prevent vibration. Below is the technical standard assembly procedure consisting of the following steps:

• Preparation and equipment cleaning: 2 UDL mechanical speed variators (B5 flange type), 1 WPDO gearbox, appropriate keys (cavets), bolts, and nuts.
• Assembling the 2 UDL mechanical speed variators together: Identify UDL 1 (receiving power from the motor) and UDL 2 (transmitting power further). Insert the male shaft at the output of UDL 1 into the female hole at the input of UDL 2. Bring the two flanges tightly together. Install bolts and tighten nuts following a diagonal (symmetric) principle. Even tightening helps the two UDL units press tightly and achieve absolute concentricity, avoiding flange distortion.
• Installing the 2 UDL assembly onto the WPDO 100 gearbox: At this point, you have a dual variator assembly. Take the male shaft at the output of UDL 2 and align it with the female hole on the flange of the WPDO 100 gearbox. Install nuts and tighten the bolts around the bell-mouth flange of the WPDO 100 gearbox. Ensure that the connected equipment block is solid and rigid.

The 3-Stage Gearbox (2 UDL 1.5kW and 1 WPDO 100) is a breakthrough drive solution, perfectly combining flexible speed customization and superior load pulling capacity. Thanks to its durable structure from solid alloy housing and optimized worm gear – friction disc drive system, the device fully meets the most demanding requirements of systems.

Each product line has its own characteristics and practical applications. Watching more gearbox videos and summary videos will help you easily visualize and choose.

Warranty, Shipping, and Commitment Policy at Thanh Thai Motor

When purchasing gearboxes at Thanh Thai Motor, you will receive benefits such as:

Warranty up to 24 months

Gearbox products at Thanh Thai Motor are covered by a genuine warranty for up to 24 months. Customers can be completely confident in using them with a clear, transparent, and prompt after-sales policy.

Nationwide Delivery

We support fast delivery to all provinces and cities nationwide. Wherever you are, products are guaranteed to arrive on time and safely.

Products meeting European quality standards with German technology

Gearboxes at Thanh Thai Motor are manufactured using advanced German technology, meeting European quality standards. Ensuring high durability and stable operation for extended periods.

Competitive prices, good discounts for dealers and bulk customers

Reasonable prices, many attractive offers for wholesale buyers and distribution agents. The more you buy, the higher the discount – optimizing profits for customers.

Full certification documents: CO, CQ,...

Each product comes with full Certificate of Origin (CO) and Certificate of Quality (CQ). This provides assurance for customers when using them in projects or constructions requiring technical documentation.

Contact for Purchase

Do you need advice on choosing the right gearbox for your needs? Contact Thanh Thai Motor immediately using the methods below:

• WhatsApp: +84966596219
• Email: codienthanhthai@gmail.com