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Kardiman -
Universitas singaperbangsa karawang
Energy Engineering

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PROPELLER SHAFT REDESIGN ON GRAN MAX 1.3 PICK UP VEHICLES Army Ardiyanto; Kardiman -; Iman Dirja
TRAKSI Vol 22, No 2 (2022): TRAKSI
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/traksi.22.2.2022.175-191

Abstract

The car component that will be discussed is a Propeller Shaft. The Propeller Shaft that will be discussed is the Propeller Shaft for the Daihatsu Gran Max 1.3 Pick Up. The task of this machine element 1 aims to determine safe and good axle planning. The material used to design the shaft is carbon steel for machine construction of cold finished steel rods for the shaft with the symbol S55C with a tensile strength of 66 kg/mm2. The results of the shaft planning calculations show that the design power is 51, 744 kW, the torsional moment is 8399,775 kg.mm, the allowable stress is 5.5 kg/mm2 . The shear stress that occurs is 0.22269201 kg/mm2 , from the calculation results it can be seen that the shear stress that occurs is smaller than the allowable stress, so it can be concluded that the planned shaft size is quite safe.
CALCULATION OF THE DRUM BRAKES ON THE REAR WHEELS OF THE CAR SUZUKI ERTIGA 2016 Aswatul Sahrul; Kardiman -; Aa Santosa
TRAKSI Vol 22, No 2 (2022): TRAKSI
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/traksi.22.2.2022.213-233

Abstract

The brake system is one of the engine component elements in a vehicle that can support the comfort and safety factor in driving. Brakes work to slow down or slow down the movement of the wheels by means of problems. Kinetic energy lost from a moving object is usually converted into heat due to an effect. The purpose of this report is to know the canvas life, function, working principle and efficient calculation. The method used to make reports from direct observations of objects, literature studies and guidance from supervisors. From the specifications of the drum brakes that have been described, we can find out the calculation steps needed to find the normal force on the rear wheel, the permissible frictional force on the asphalt, the life of the canvas with ceramic material, and the maximum spring force at the top and bottom. After several calculation steps, the normal force on the rear wheel will be 2270.50 N. The permissible frictional force on the asphalt is 681.10 N. The service life of the canvas with 100 days of braking for 1.40 seconds is 45 days. The maximum force of the upper spring is 24.99 N, and the maximum force of the lower spring is 166.62 N.
BLADE VOLTAGE ANALYSIS OF PLASTIC CHEARING MACHINE USING SKD 11 MATERIAL USING AUTODESK INVENTOR SOFTWARE 2017 Bagas Siswantoro; Kardiman -; Ratna Dewi Anjani
TRAKSI Vol 23, No 2 (2023): TRAKSI
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/traksi.23.2.2023.185-214

Abstract

Plastic waste is a problem for all humans and animals because plastic is difficult to decompose by the soil, it takes a long time for plastic to decompose. Indonesia has a large population and every year it will continue to increase and the use of plastic in Indonesia will also continue to increase, especially plastic bottle waste. Plastic chopping knife is an important component for the results of shredding plastic waste, there are many types of chopping knives according to the desired chopping results. Knives must be declared strong and tough to chop plastic into powder or small granules. In order to meet the needs in accordance with the planned workings of the plastic chopping machine, a plastic chopper knife design was made using SKD 11 material with a load of 50kg, 100kg and 150kg, so research was made. inventor 2017 . The results obtained from the manual calculation of the von misses stress load of 50kg, 100kg and 150kg are 45,143.3 Mpa, 86,096.8 Mpa, 129,128.4 Mpa. The displacement obtained is 0.243 mm, 0.487 mm, 0.731 mm. The resulting safety factor is 10.41 ul, 5.46 ul, 5.32 ul. While the results of the static simulation with the same load in the inventor, the value of von misses stress is 63,928 MPa, 127,813 MPa, and 191,712 MPa. The displacement obtained is 0.1133 mm, 0.2266 mm, 0.3399 mm. the results of the simulation of the safety factor 7.5 ul, 3.6 ul, 2.5 ul. From the stresses that occur, the skd 11 material is declared safe because the value is still smaller than the yield strength, which is 470 Mpa.
Co-Authors Aa Santosa Anjani, Ratna Dewi Army Ardiyanto Aswatul Sahrul Bagas Siswantoro Iman Dirja