Product Overview
A Plastic Reduction Gear forms part of a gear train that reduces motor speed and increases output torque. It is used in window lifts, wiper motors, seat adjusters, HVAC flap actuators, and other compact drive modules that turn high-speed motor rotation into controlled mechanical movement.
Key Advantages
Compact Speed Reduction
A single-stage or multi-stage arrangement can reach the required output speed inside a restricted housing. Ratio and center distances are planned together to fit the transmission within the available actuator envelope.
Coordinated Geometry Across the Gear Train
Tooth thickness and center distance are set for the full sequence of stages, not one gear at a time. This avoids one tight mesh that increases torque or one loose mesh that adds unnecessary lost motion.
Output Functions Integrated into the Final Stage
The output gear can include the shaft interface and one mechanism-specific function, such as a travel stop, clutch surface, or position feature. At the low-speed, high-torque end of the gearbox, this can replace separate parts.
Product Parameters
|
Parameter |
Value |
|
Product Name |
Plastic Reduction Gear |
|
Available Materials |
POM, PA6 |
|
Gear Precision Grade |
Grade 8 – 11 |
|
Reduction Ratio Range |
5:1 to 50:1 (custom) |
|
MOQ |
10,000 pcs (mixed allowed) |
Customization Capabilities
Development begins with motor speed, required output speed, and available housing space. These values define the stage ratio and center-distance layout for one reduction gear or a coordinated gear set.
The final output member can combine its shaft connection with one secondary mechanism function. Material is selected for the highest-loaded stage and the approved lubricant condition.
Quality Control
First-piece approval measures the critical dimensions that control stage alignment and output position. In-process inspection then checks molded tooth condition and dimensional stability at those functional datums.
The assembled train is checked for the specified ratio, controlled backlash, and consistent output under the defined load.
FAQ
Q: What is the production lead time?
A: Production lead time depends on order quantity, tooling status, and the approved production plan. Repeat orders normally move faster because the mold and process settings are already established.
Q: What is the standard payment term?
A: Full prepayment is the standard term. Large-volume pricing is calculated from the annual quantity, material, cavity count, and inspection requirements.
Q: Can the gear set be designed from motor and output requirements?
A: Yes. Provide motor speed, motor torque, required output speed, output torque, duty cycle, available center distances, housing space, and target noise level.
Q: Can the reduction gear mesh with an existing metal pinion?
A: Yes. Supply the pinion module, tooth count, pressure angle, profile shift, hardness, surface finish, and lubricant so the plastic tooth form and backlash can be matched correctly.
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