Grease for 3D Printer Lead Screws (Delrin/Acetal Nuts)
Selection inputs for lubricating lead screws running in polymer nuts, focusing on stick-slip, dust pickup, and polymer compatibility.
This page lists neutral selection inputs. Confirm equipment manufacturer specifications before selecting a lubricant.
Operating Conditions
| Operating Parameter | Typical Range/Value |
|---|---|
| Mechanism | Lead screw + polymer nut (Delrin/acetal) |
| Speed | Low speed, frequent short moves |
| Contamination | Dust/filament debris likely |
| Maintenance | Periodic reapplication preferred over heavy packing |
Required Lubricant Properties
| Required Property | Specification |
|---|---|
| Plastic Compatibility | Non-aggressive to acetal/polymer components |
| Low Tack | Minimize dust attraction |
| Anti Stick-Slip | Smooth motion at low speed |
| Film Strength | Prevent wear under light load |
Availability
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Sources
- General plastics compatibility guidance
- Manufacturer documentation
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