PP thru-axis rubber roller

Problem-Solution Intro

Stop Shaft Deflection in Heavy-Load Conveyors. In extra-wide PCB horizontal lines, “shaft flex” is a silent killer of yield. When a conveyor roller bows under the weight of panels or drive tension, it creates a “camber” effect that leads to board tracking issues and scratches. The SN:6-2 PP Thru-Axis Roller is built for the “heavy lifting” sections of your equipment. By integrating a solid thru-axis design with high-density Polypropylene, we provide the rigid drive torque necessary for precision transport.

The “Why This Material” Section

The Engineering Logic of Solid PP While hollow rollers save weight, they fail in high-torque drive modules. The SN:6-2 utilizes a solid-core PP structure:

• Structural Rigidity:PP offers high Shore D hardness, resisting deformation under mechanical load.
• Direct Drive Capability:Engineered to work seamlessly with gear-driven systems, ensuring zero “slip” between the axis and the roller surface.
• Total Chemical Shield:The PP shell protects the internal axis from the cross-contamination of aggressive rinse-aid or cleaning agents.

Customization Capability

Bespoke Drive Solutions

• Titanium Axis Integration:For etching-adjacent drive modules where corrosion is a constant threat.
• Custom Gear-Fit Lengths:We manufacture to your exact CAD drawings, ensuring a drop-in fit for your existing horizontal line footprint.
• Anti-Static Coatings:Optional surface treatments for sensitive electronic substrate transport.

Main Application Scenarios

If your conveyor bows under load, your yield dies. The SN:6-2 is the “heavy lifter” for Scrubbing and Brushing units. The solid thru-axis isn’t for show; it is there to fight the massive shear force of industrial brushes without slipping. In wide-format lines (1000mm+), hollow rollers simply don’t cut it—they flex and cause boards to drift off-track.

This solid-core PP stays dead straight. In Developing and Stripping, it keeps the drive gears in perfect sync with the panel movement. No micro-scratches, no tracking errors. It is the rigid backbone of the drive section, built for those moments when the torque gets high and the tolerances get tight.

Technical Specification Table

Parameter	Industrial Specification
Model Number	SN: 6-2
Structure	Solid PP with Thru-Axis
Hardness	Shore D 75-85 (Rigid)
Radial Runout	≤ 0.15 mm
Drive Type	Gear or Friction Drive compatible
Axis Material	Titanium, SS304, SS316, Carbon Fiber
Point of Use	Main Conveyor Drive, Heavy-duty Cleaning Sections