CD Skripsi
Rancang Bangun Undercarriage Pada Dozer Skala Laboratorium Dengan Sistem Kontrol Menggunakan Bluetooth Dan Internet Of Things (Iot)
ABSTRACT
A dozer is a crawler-based heavy equipment machine that relies on transmission
and undercarriage systems to generate the tractive force required for mobility and
operation. In laboratory-scale dozers, limited motor torque presents a challenge in
achieving optimal performance. This study aims to design, manufacture, and
evaluate a 1:10 scale dozer undercarriage integrated with a transmission system
and a control system based on Bluetooth and the Internet of Things (IoT). The
design process employed machine element design methods according to Shigley
and Sularso & Suga to determine the appropriate configuration of the transmission,
gears, shafts, and bearings. The transmission and undercarriage components were
manufactured using 3D printing technology, with PETG material used for the
gears, sprockets, and idlers, while TPU 95A was used for the tracks. System
performance was evaluated through speed testing on ceramic, asphalt, and soil
surfaces under both unloaded and loaded conditions with a payload of 4.02 kg. The
resulting transmission system utilized a straight bevel gear pair with a reduction
ratio of 1:2.75, enabling effective power transmission to the undercarriage system.
The test results showed a maximum speed of 0.739 m/s on a ceramic surface under
no-load conditions and a minimum speed of 0.393 m/s on a soil surface under
loaded conditions. These results indicate that the designed undercarriage,
transmission, and control systems are capable of operating effectively on various
surface conditions and supporting the mobility of a laboratory-scale dozer.
Keywords: Undercarriage, Dozer, Transmission, Bluetooth, IoT, ESP32
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