Udl002/Udt020 3 Phase 380 Volts Udl Speed Variator Gearbox Transmission Reducer Drive Machine Electric Motor Manufacture Udl Reducer

UDL Series planetary cone & disk step-less speed variator

high quality and low price
pls feel free to contact with us if you have any problem

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Variator and speed motorvariator

For power ratings from 0,15 to 9,2 kW.
Silent, vibration-free running.
High efficiency.
Bidirectional rotation.
Control handwhel positional on either side.
Speed repeatability at max: ± 0,5%
Speed repeatability at min: ± 0,1%.
Regulaton sensibility: 0,5 rpm.
Casings (TX): diecast aluminium alloy.
Shafts: case hardened and tempered 20Cr steel after ground >HRC60

Internal components: 100Cr6 heat-treated steel.

All the sizes are painted with Ral 5010 blue epoxy-polyester powder.
Variator and speed motorvariator.

For power ratings from 0,15 to 9,2 kW.
Silent, vibration-free running.
High efficiency.
Bidirectional rotation.
Control handwhel positional on either side.
Speed repeatability at max: 0,5%
Speed repeatability at min: 0,1%.
Regulaton sensibility: 0,5 rpm.
Casings (TX): diecast aluminium alloy.
Shafts: case hardened and tempered 20Cr steel after ground >HRC60

Internal components: 100Cr6 heat-treated steel.

All the sizes are painted with Ral 5010 blue epoxy-polyester powder.

How a Worm Gear Reducer Works

In a worm reducer, a worm is typically connected to an input shaft and rotates. Its threads mesh with the teeth of a worm wheel. As the worm turns, its helical threads push against the teeth of the worm wheel, causing the wheel to rotate.

The key to its function is the significant difference between the number of "threads" on the worm (usually just one or a few starts) and the number of teeth on the worm wheel. For example, if a single-start worm completes one full rotation, the worm wheel may only advance one tooth. This mechanical interaction results in:

Significant speed reduction: The output shaft connected to the worm wheel rotates at a much lower speed than the input shaft.

Torque multiplication: Accordingly, the torque of the output shaft is significantly increased.
Right-angle power transmission: The worm and worm wheel are usually at a 90-degree angle to each other, allowing power transmission between perpendicular axes.

Advantages of worm reducers

High transmission ratios in a single stage: Worm reducers excel at achieving very large speed reduction ratios (for example, from 5:1 to 100:1 or more) in a compact single stage. This simplifies mechanical design and saves space compared to other gear types that require multiple stages of reduction to achieve similar reductions.
Self-locking capability (non-reversible): For many applications, the inherent self-locking capability of certain worm gear designs, especially those with a small lead angle, is critical. This means that the worm can drive the worm wheel, but the worm wheel cannot reverse drive the worm. This prevents the load from moving when the power is off, acting as a built-in brake.
Compact design: Worm reducers can achieve high reduction ratios in a single stage and are extremely compact with a right-angle structure, saving valuable space in mechanical equipment.
Quiet and smooth operation: The sliding action between the worm and worm wheel teeth (unlike the rolling contact of other gears) allows very smooth operation and minimizes noise and vibration. This is a significant advantage in noise-sensitive environments.
High torque output: Due to the high reduction ratio, worm reducers can output strong torque to the output shaft, making them ideal for heavy-duty applications.
Good shock absorption: The unique sliding contact and multi-tooth load distribution enable worm reducers to effectively absorb shock loads, protecting other components in the drive system.

Applications of Worm Gear Reducers

Worm gear reducers are used in a wide range of industries due to their unique combination of characteristics:

Lifting and Hoisting Equipment: Their self-locking feature is critical to the safety of applications such as elevators, hoists, cranes and winches to prevent loads from falling when power is lost.
Conveyor Systems: Used for controlled speed and high torque on conveyor belts in the manufacturing, mining and logistics industries.
Automatic Doors: Provide smooth, controlled movement and self-locking features for automatic sliding doors, garage doors and industrial doors.
Material Handling Equipment: Used in mechanical equipment such as forklifts and pallet trucks for precise load movement.
Machine Tools: Used in some older milling and lathe designs, as well as rotary tables for precise positioning.
Robotics and Automation: Used in specific robotic joints or actuators that require high torque, compactness and the ability to hold position.
Packaging Machinery: Integrates with automated packaging lines to enable synchronized, precise handling and sealing processes.
Medical Equipment: Used in equipment that requires quiet, precise and often self-locking features, such as hospital beds or diagnostic equipment.
Renewable Energy: Used in solar tracking systems to precisely adjust the angle of solar panels, often relying on self-locking features to maintain position against wind.
Food Processing: Used in blenders, mixers, and other processing equipment, compact, high-torque, right-angle drives are useful.