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 Development of a Multicolor 3D Printer Using a Novel Filament Shifting Mechanism
Tác giả hoặc Nhóm tác giả: Van Nguyen Thi Hai, Sinh Nguyen Phu* , Terence Essomba, Jiing-Yih Lai
Nơi đăng: Inventions Journal; Số: 7, 34;Từ->đến trang: 1-12;Năm: 2
Lĩnh vực: Chưa xác định; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
ABSTRACT
Three-dimensional printing has become an unchallenged method for the manufacturing of
complex shape objects. Although multicolor devices in Fuse Filament Feeder category recently have
shown promising developments, their number still remains limited. The present study introduces
the design of a new prototype of three-dimensional printer using Fused Filament Feeder and capable
of printing multicolor objects. A single-color three-dimensional printer is used as a platform and
is augmented for multicolor printing by the implementation of a mechatronic device that provides
two functions. First, a transmission mechanism based on planetary gears allows feeding the selected
filament color toward the printing head. The second function is provided by a combination of a
central cam disk and several pushing rods. It allows selecting the filament color to be fed by the
transmission system. The mechatronic device has been dimensioned to manage five different filament
colors and the printing head has been modified to accommodate a five-to-one diamond nozzle.
The filament shifting device is integrated into the single-color three-dimensional printer and a series
of validation experiments has been carried out. These tests have demonstrated the new prototype
ability to print out multicolor objects and to rival with commercial three-dimensional printers in
terms of dimensional accuracy. This shows the ability of the proposed design and method to be used
to upgrade a standard single-color 3D printer into a multicolor one. The presented multicolor 3D
printer will be available to the 3D printing community for free.
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