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| Categories | Worm Shaft And Worm Gear |
|---|---|
| Tolerancegrade: | ISO 6 To ISO 8 |
| Delivery Time: | 15 |
| Profile Type: | ZA |
| Packaging Details: | Standard Export Carton |
| Backlash: | ≤0.05mm |
| Hardness: | HRC 45-60 |
| Model Number: | Conventional |
| Precision Grade: | High Precision |
| Supply Ability: | Primary Supply |
| Operatingtemperaturerange: | -20°C To 120°C |
| Efficiency: | High Efficiency |
| MOQ: | 100 |
| Brand Name: | Laiwei |
| Certification: | No |
| Shape: | Cylindrical |
| Price: | 20 |
| Place Of Origin: | China |
| Company Info. |
| Dongguan Laiwei Hardware Electronic Technology Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Laiwei manufactures precision worm shafts and worm gears for robot joints, robotic actuators and compact motion-control assemblies, with customized dimensions and gear parameters based on customer drawings and application requirements.
This worm gear unit features backlash controlled to ≤0.05 mm, making it suitable for robotic mechanisms where controlled rotary movement and reduced mechanical free play are important.
The compact right-angle transmission arrangement allows a motor input to be redirected and reduced within a relatively small mechanical envelope. This makes worm gearing a practical transmission option for selected robotic joints, rotary actuators, positioning modules and other space-constrained electromechanical systems.
Unlike standard catalogue gears with fixed dimensions and interfaces, Laiwei manufactures the worm shaft and mating worm gear around your actual assembly. Gear ratio, worm dimensions, gear dimensions, shaft ends, bearing seats, mounting features, material, hardness and other parameters can be customized according to the robot or actuator design.
For new robotic projects, we support manufacturing from prototype and engineering samples through small-batch and repeat production.
| Parameter | Specification |
|---|---|
| Product Type | Worm Shaft & Worm Gear Unit |
| Application Focus | Robot Joints / Robotic Actuators |
| Backlash | ≤0.05 mm |
| Precision | High Precision |
| Structure | Cylindrical Worm Drive |
| Operation | Low Noise |
| Gear Ratio | Customizable |
| Worm Starts | According to Design |
| Gear Teeth | According to Design |
| Dimensions | Custom |
| Shaft Configuration | Custom |
| Material | According to Drawing / Application |
| Heat Treatment | Customizable |
| Surface Treatment | Customizable |
| Production | Prototype to Volume Production |
| OEM / ODM | Supported |
Final specifications should be determined according to the customer's drawing, required motion characteristics, load and assembly conditions.
Backlash becomes particularly important when a robotic mechanism repeatedly changes direction.
Clearance between transmission components can create a short amount of lost motion between the motor input and mechanical output during reversal.
This worm gear configuration specifies backlash of ≤0.05 mm, helping reduce unwanted free movement within the gear pair.
This characteristic can benefit robotic mechanisms performing repeated:
Rotate → Stop → Reverse → Reposition
motion sequences.
It is important to distinguish gear backlash from complete robot positioning accuracy. Final positioning performance also depends on the motor, encoder, controller, bearings, housing, structural stiffness and assembly accuracy.
Space and weight are important considerations when designing robotic joints and electromechanical actuators.
A worm drive transfers motion between non-parallel shafts, normally positioned approximately 90 degrees to each other.
This arrangement can allow the motor to be positioned alongside or perpendicular to the joint output instead of directly inline with it.
For compact robotic assemblies, this provides designers with another way to organize:
Motor → Worm Shaft → Worm Gear → Joint Output
within the available mechanical space.
Electric motors typically rotate much faster than the desired movement of a robotic joint or actuator.
A worm gear reduction stage can convert higher-speed motor input into slower output rotation while increasing available output torque according to the transmission ratio and efficiency of the complete system.
The reduction ratio is determined by the relationship between:
Number of Worm Starts ↔ Number of Worm Gear Teeth
Laiwei can manufacture the worm-and-gear combination according to the ratio defined in your robotic drive design.
Robotic actuators rarely use exactly the same shaft interfaces and installation dimensions.
Instead of requiring customers to redesign the actuator around a standard worm gear, Laiwei manufactures components according to the actual mechanical architecture.
Custom parameters can include:
Worm diameter
Worm length
Gear outside diameter
Gear width
Bore diameter
Module
Number of worm starts
Number of gear teeth
Reduction ratio
Lead
Lead angle
Rotation direction
Backlash
Shaft configuration
Bearing seats
Threads
Grooves
Keyways
Flats
Mounting features
Material
Hardness
Heat treatment
Surface treatment
Dimensional tolerances
This makes the components suitable for custom robotic actuator and joint development projects.
Reducing the number of separate mechanical components can help simplify a compact robotic transmission assembly.
The worm shaft can therefore be manufactured with additional features directly integrated into the component.
Depending on the drawing, these may include:
Motor connection sections
Bearing journals
Stepped diameters
Retaining grooves
Threads
Flats
Keyways
Coupling features
Mounting sections
A single precision-machined worm shaft can therefore perform several mechanical functions within the actuator.
Operating noise can be an important consideration for service robots, laboratory automation, smart equipment and indoor robotic systems.
Worm drive noise depends on multiple factors, including:
Tooth geometry
Surface condition
Shaft alignment
Gear concentricity
Backlash
Rotational speed
Lubrication
Assembly accuracy
Precision machining of the worm, mating gear and shaft features helps support smooth gear engagement when the transmission is correctly designed, assembled and lubricated.
The performance of a robotic transmission depends on the relationship between the worm and its mating gear.
Laiwei can manufacture both components according to the same project requirements rather than supplying only one isolated gear.
For customized robotic drive systems, this provides a single manufacturing source for:
Worm Shaft + Worm Gear + Custom Shaft Features
and allows critical dimensions and gear characteristics to be evaluated according to the complete transmission design.
Custom worm drives can be integrated into selected robotic joints requiring compact speed reduction and controlled rotary movement.
Potential applications include:
Rotary robot joints
Adjustment joints
Auxiliary robot axes
Compact articulated mechanisms
Robotic positioning modules
The suitability of a worm drive depends on the joint's speed, load, duty cycle, efficiency and positioning requirements.
Worm gearing can be integrated into electric actuators to reduce motor speed and transmit movement to the actuator output.
Custom worm shaft features allow the transmission component to be designed around the motor, bearings and actuator housing.
Compact mechanical transmission can be useful in service robots operating in indoor environments.
Potential applications include adjustment mechanisms, rotary modules, compact actuator assemblies and auxiliary motion axes.
For selected low-speed or adjustment functions within compact robotic mechanisms, custom worm drives can provide right-angle transmission and speed reduction.
Actual suitability should be evaluated according to torque, efficiency, weight, backdrivability and safety requirements of the robotic system.
Robotic end-of-arm tooling may require compact motorized adjustment mechanisms.
Custom worm gear components can be integrated into:
Rotating end effectors
Gripper adjustment mechanisms
Tool orientation systems
Motorized fixtures
Compact positioning modules
Inspection robots and vision systems may require controlled movement for cameras, sensors or scanning modules.
Low-backlash worm gear components can be used in selected pan, tilt, angle-adjustment and positioning mechanisms.
Laboratory equipment and automated instruments often operate within restricted spaces and may require controlled low-speed movement.
Customized worm drives can be designed around the available installation space and required mechanical interfaces.
Selecting a worm gear for robotics involves more than simply choosing a gear ratio.
For a successful robotic transmission, engineers should consider the complete operating system.
Lower backlash can reduce lost motion during direction reversal, but extremely small clearances also need to account for manufacturing tolerance, lubrication and thermal expansion.
The ratio should be selected according to motor speed, desired joint speed and output requirements.
Required output torque should be considered together with gear dimensions, material, efficiency and duty cycle.
Worm drive efficiency varies with gear geometry, lead angle, material pairing, lubrication, speed and load.
It should therefore be evaluated for the actual robotic application rather than assumed from the gear type alone.
A worm drive should not automatically be assumed to be self-locking or non-backdrivable.
Backdrivability depends on factors such as lead angle, friction, lubrication and the complete transmission design.
This is particularly important for robotic applications where safety and human interaction are involved.
A continuously operating robot joint has different thermal and wear requirements from an actuator that moves only occasionally.
Please provide expected operating conditions when requesting manufacturing evaluation.
Laiwei provides drawing-based and sample-based manufacturing for robotic transmission components.
Our manufacturing capabilities include:
Precision CNC turning
Swiss-type CNC machining
CNC turning and milling
Small-module gear hobbing
Worm shaft machining
Worm gear manufacturing
Gear shaft manufacturing
Precision shaft machining
Custom transmission components
Small mechanical assembly
A typical production workflow may include:
Drawing Review → Material Preparation → CNC Machining → Gear Machining → Heat Treatment → Precision Inspection → Cleaning → Final Inspection → Packing
Production processes are selected according to the component geometry and technical requirements.
Dongguan Laiwei Hardware Electronic Technology Co., Ltd. has focused on precision machining and gear manufacturing since 2013.
Our manufacturing experience includes:
Worm shafts
Worm gears
Small-module gears
Gear shafts
Precision shafts
CNC machined components
Custom mechanical transmission parts
Our components are manufactured for applications including motors, gearboxes, robotics and automation equipment.
Laiwei operates an approximately 1,500 m² precision machining and gear manufacturing facility in Dongguan, China.
Our equipment includes:
STAR Swiss-type CNC machines
TSUGAMI Swiss-type CNC machines
CNC turning-milling machines
Ningjiang CNC gear hobbing machines
Integrating precision shaft machining and gear manufacturing within the same facility allows us to manufacture complex transmission components according to customer drawings.
Compact robotic systems often require small shafts, gears and transmission components containing multiple precision-machined features.
Laiwei's manufacturing capabilities are particularly suited to:
Small-module gears
Worm shafts
Gear shafts
Precision turned components
Complex small metal parts
This makes us suitable for customized robotic and electromechanical component projects.
Our inspection capability includes:
Gear measuring center
2D optical measuring equipment
Dimensional measuring instruments
Gear geometry verification
Final component inspection
Inspection requirements can be defined according to the critical characteristics specified on customer drawings.
Robotic components often need to go through several design and validation stages before production.
Laiwei supports:
Prototype → Engineering Sample → Design Verification → Small Batch → Repeat Production → Volume Production
This allows customers to evaluate component fit and transmission behavior before moving to larger production quantities.
For robotic worm gear projects, please provide a 2D engineering drawing whenever possible.
Useful technical information includes:
2D drawing
3D CAD model
Worm dimensions
Gear dimensions
Module
Number of worm starts
Number of gear teeth
Reduction ratio
Required backlash
Material
Hardness
Heat treatment
Surface treatment
Motor speed
Required output speed
Operating torque
Duty cycle
Available installation space
Required quantity
For robot joint and actuator projects, information about the motor, joint load, desired movement speed and available assembly space can also help us understand the manufacturing requirements.
Developing a robotic joint or compact actuator? Send your worm gear drawing or sample to Laiwei for manufacturing review and quotation.
Yes. Worm gears can be used in selected robotic joints and actuators requiring compact speed reduction and right-angle transmission.
However, suitability depends on speed, torque, efficiency, backlash, duty cycle and the overall robotic design.
This product configuration specifies backlash of ≤0.05 mm.
Final transmission behavior also depends on mounting accuracy, bearings, housing, center distance and assembly conditions.
No.
Gear backlash is only one contributor to total system accuracy.
Robot positioning also depends on motor control, encoder resolution, structural stiffness, bearings, transmission ratio, housing accuracy and assembly.
Yes.
Worm starts and mating gear tooth count can be manufactured according to your transmission design.
Please provide the motor input speed, desired output speed or required reduction ratio.
Yes.
Motor connection sections, bearing seats, stepped diameters, threads, grooves, flats, keyways and other features can be manufactured according to your drawing.
Yes.
Laiwei manufactures both worm shafts and mating worm gears according to customer drawings and technical requirements.
Not necessarily.
Self-locking and backdrivability depend on gear geometry, lead angle, friction, lubrication and other system factors.
They should be evaluated according to the actual robotic design.
They may be suitable for selected mechanisms, but collaborative robot systems have specific requirements involving safety, backdrivability, force control and system architecture.
The transmission should be evaluated as part of the complete robotic system.
Yes.
Laiwei specializes in small-module gears, worm shafts, gear shafts and other precision mechanical components manufactured according to customer drawings.
Yes.
We support prototypes, engineering samples, small-batch production and volume manufacturing.
Depending on drawing requirements, inspection can include gear measurement, 2D optical measurement, dimensional inspection and verification of critical gear and shaft characteristics.
Please provide a dimensioned drawing together with the required gear ratio, backlash, material, motor speed, output speed, operating torque, duty cycle and quantity whenever available.
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