threaded push rod
pt_041
Specifications
- Product Category: Precision Linear Motion Components
- Material: Delrin / PA66-70G33 (33% Glass-Filled High-Rigidity Engineering Nylon)
- Dimensions: Custom ODM Manufacturing (Built to customer prints)
- Weight: Custom ODM Specification
- Thread Profiles: Trapezoidal (Tr), precision metric, or multi-start high-lead threads (can integrate end-tip ball joints/pins)
- Primary Function: Converts rotational torque from the leveling motor into precise linear push-pull travel to adjust the pitch and yaw aiming angles of automotive light modules
- Applications: Automotive Adaptive Front-Lighting Systems (AFS / ADB), Headlight Leveling Actuators, Fog Light Aiming Mechanisms
Manufacturing Processes & Capabilities
- High-Glass-Filled Polymer Tooling: Tailored for 33% glass-reinforced PA66 resin; optimized runner and gate configurations regulate fiber orientation and eliminate surface fiber exposure, ensuring smooth thread flanks and burr-free geometries.
- Axial Straightness & Lead Precision Control: Balanced mold cooling and packing profiles suppress anisotropic cooling shrinkage, maintaining strict overall shaft straightness, roundness, and thread pitch accuracy to ensure binding-free linear advancement.
Features & Advantages
- High Flexural Modulus & Axial Load Resistance: The 33% glass fiber reinforcement delivers tensile strength and creep resistance, keeping the pushrod rigid without bending or stripping under the weight of optical modules and road vibration shocks.
- Automotive Extreme-Temperature Stability: Features high heat deflection temperature (HDT) performance, withstanding harsh engine bay and enclosed lamp cavity temperatures (-40°C to +120°C) without thermal warping or dimensional drift.
- Jitter-Free Precision Linear Aiming: Tight thread tolerances deliver smooth, linear micro-stepping with minimal backlash, ensuring precise beam cutoff positioning and eliminating light beam jitter during vehicle movement.
- Wear-Resistant & Long-Term Reliability: Resists mechanical fatigue and cyclic sliding friction, maintaining accurate leveling performance throughout the vehicle's operational lifecycle.