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Journal : Teknologika

DESIGN AND MANUFACTURE CHASSIS AND BODY OF SIMPLE GOKART USING AUTOMATIC CLUTCH AND 7.5 HP ENGINE POWER N. Nazaruddin; Dedy Masnur; Erwin Ardiansyah
Jurnal Teknologika Vol 10 No 2 (2020): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (446.488 KB) | DOI: 10.51132/teknologika.v10i2.81

Abstract

Go-kart is a variant of a simple and small open-roof four-wheeled vehicle for motor sports. Go-kart usually races on small scale circuits. Go-kart racing is usually considered a stepping stone for motor sports that are higher and more expensive. The design of the karts is carried out by mechanical engineering students of the University of Riau based on the size of karts in general. The chassis is made of pipe with ASTM A53 pipe specifications with a tensile strength of 240 MPa with a dimension of length of 6.22 meters, an outer diameter of 33.40 mm and an inner diameter of 30.02 mm. Body building is done with fiber with a catalyst mixture ratio of 1:45. The process of painting with a ratio of primers and hardeners is 1: 4, and clear and hardener 4: 1. A kart with a chassis mass of 7.09 kg and a passenger of 70 kg has been produced, with dimensions of length 1100 mm, width of 610 mm, and distance between axes of 1050 mm. This karting uses the 1994 Astra grand engine with 7.5 HP of power, 6000 rpm rotation and 20 kg mass. The transmission system used is a double automatic type.
DESIGN AND MANUFACTURE OF A FISH PELLET MACHINE WITH A SCREW EXTRUDER METHOD CAPACITY OF BATTER 2.35 TONS/HOUR N. Nazaruddin; Sulaiman
Jurnal Teknologika Vol 10 No 2 (2020): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (528.931 KB) | DOI: 10.51132/teknologika.v10i2.88

Abstract

The design of this fish pellet production machine is based on the working principle of a screw extruder. The working principle of this screw extruder is used for compaction by pushing the dough in the mold which ultimately results in fish pellets in accordance with the size of the mold hole continuously. Screw extruder is made by cutting the steel plate to form a ring. Then the steel plate is spiral formed by heat treatment and then welded to the screw extruder shaft. A binding pellet machine with screw extruder method has been successfully made with components in the form of hopper, screw extruder, screw cylinder, reducer, motor and mold plate. The screw extruder is capable of delivering the dough material at 2.23 m3/hour with a rotation of 35 rpm with a screw diameter of 6 inch. This fish pellet is driven by an electric motor with 1 HP power. This electric motor will drive the reducer, then turn the screw extruder. This fish pellet production machine has produced a fish pellet production capacity of 2,35 ton/hour