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• Helical Gear Kit Nano Coating Integrated CNC Gears Part Pom Drive Gear Extruder Shaft Assembly for BM Voron CW1 CW2 Extruder Kit 1. Name: BM nano-coating integrated helical gear kit 2. Scope of application: BM extruder, VORON 2.4 CW1 and CW2, VORON Trident CW1 and CW2, or other places where this set of gears can be used. If you know mechanical design, you can also make it part of your extruder design.（Not suitable for Voron V0） 4. Processing technology: CNC 5. Material: POM and nano-coated mold steel 6. Features 1) Integrated shaft design. Ensure the gear has better concentricity, reduce the eccentric rotation of the gear due to assembly, and ensure that the gear can transport the filament more evenly 2) Hollow POM gear for CNC. Reduction gear design, high transmission ratio, to achieve greater extrusion torque 3) The driven gear adopts double ball bearings instead of the original needle bearings, with smaller clearance and higher precision 4) High-strength mold steel is selected as the material of the feeding gear, and nano-coating is used as the surface treatment process. The overall Rockwell hardness HRC value of the gear reaches 62-65; the surface hardness HV value reaches 1000-1200, which greatly ensures the gear Strength, wear resistance and corrosion resistance. 5) Helical gear design. The meshing performance is better, the gear transmission is more stable, and the transmission force is more linear. The transmission overlap is large, the meshing time is long, and the contact area is large, which makes the stress smaller, thereby improving the bearing capacity of the gear and prolonging the service life of the gear. 6) Lightweight design. Under the condition of ensuring the strength of the gear itself, the excess material of the gear is hollowed out to reduce the weight of the gear. 7. Note: 1) Not suitable for Sherpa extruders 2) There are many products on the market that can be equipped with BM gears, because there are gaps in size and tolerance, you can align the filament inlet by squeezing the black big gear to move the position or adding spacers on the shaft 8. Product list: as shown in the picture

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