If you need to send UPS/Fedex/TNT/DHL, please contact us. We need to discuss the freight with you.
Technical questions e-mail：support@trianglelab.net
Sales questions e-mail：sales@trianglelab.net
The trianglelab has always been concerned about product quality.We are developing products and working hard to improve the quality.We will not abandon our reputation because of many cheap products on the market.It is believed that only high quality products can ensure the quality of your work and bring safety to your work.
Some of our products may be more expensive than others,but please believe in our quality and believe that you will not regret when you receive the goods.
Thingiverse DDB Direct Drive Diy Basic Kit
（RNC Nano Coated Gears Versions）
DDB Direct Drive & Bowden Extruder
Size of gears
All-metal high-temperature printing at 500+℃, compatible with multiple models.
Nylon Gears
Long-lasting and wear-resistant One-piece injection moulding
PS: Please choose high quality products. Because it is more reliable. We hope that every customer will be happy to manufacture their own high-quality 3D printers.
Conclusion
1.In terms of appearance, compared with other products,Trianglelab’s are smoother and finer, followed by the extrusion wheel of manufacturer B. Although there are knife lines, they are relatively fine and even
2.From the analysis of tooth profile, compared with triangular teeth, curved teeth can engage with filaments more deeply for grip force. In contrast, the tooth shape of Trianglelab is more smoother and more symmetrical, while the other tooth shapes have obvious knife lines, and the tooth bases are uneven. After a long time, there will be serious wear, resulting in the reduction of tooth life. The tooth shape of manufacturer D can not be distinguished, and the tooth tip can not be clearly distinguished, so the durability of manufacturer D is insufficient compared with other manufacturers’ products. The tooth surface and shaft of manufacturer C's product are slightly inclined, which may be due to the machining accuracy.
3.From the dimension analysis, the tooth diameter of manufacturer A, manufacturer B and Trianglelab is similar. Trianglelab’s tooth tip is thinner, makes it easier to cut into the filaments, and the next best is Manufacturer B, but manufacturer B's tooth beat is higher than Trianglelab’s. Manufacturer C's tooth tip is wider, so it is not conducive to access filaments. The tooth length analysis shows that the tooth length of Trianglelab is shorter and closer to the diameter of filaments, so the meshing of filaments is better than other’s.
4.Tension test method: Use DDB extruder, tighten the spring after the motor is energized, draw filaments. The filaments squeezed by the extrusion wheels of manufacturer A, C and D all slipped, and the filaments were pulled off by Trianglelab and manufacturer B.
5.In the hardness test, except the products of Trianglelab reached HRC50 or above, the highest hardness of the other products was HRC30, which is easy to wear, especially for printing composite fiber filaments.
6.Based on the above analysis, Trianglelab and manufacturer B’s appearance and size is better, Trianglelab’s hardness is higher, and the curved teeth of Trianglelab are recommended.
