Muksin Rasyid
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Analisa Kinerja Ac (Air Conditioner) Terhadap Perubahan Tekanan Dan Kecepatan Putaran Kompressor Pada Mobil Xenia Type R Tahun 2018 Tedy Arfansyah; Muksin Rasyid; Supriono Supriono
Media Informasi Penelitian Kabupaten Semarang Vol. 5 No. 2 (2023): Desember: Media Informasi Penelitian Kabupaten Semarang
Publisher : Badan Perencanaan Pembangunan, Riset dan Inovasi Daerah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sinov.v5i2.696

Abstract

When driving a car you definitely need something called cabin air conditioning, aka the car's AC (Air Conditioner). Especially in a tropical country like Indonesia, just imagine riding in a car during the day without using AC, it definitely feels like going into an oven. For this reason, the condition of the car's AC (Air Conditioner) must always be maintained. In general, the definition of AC (Air Conditioner) is a series of machines that have the function of cooling the air around the cooling machine. Specifically, the definition of AC (Air Conditioner) is a machine that is used to cool the air by circulating refrigerant gas in a pipe that is pressed and sucked in by a compressor. The function of the car AC compressor is to circulate a cooling medium called Refrigerant or Freon to circulate in the car AC system. Apart from that, the compressor also provides pressure according to needs. The car AC compressor sucks refrigerant gas from the low-pressure and low-temperature evaporator then compresses the gas into a high-pressure, high-temperature liquid.  
Pengaruh Dari Kondisi Pemotongan Baja Karbon SC-1045 Menggunakan Pahat HSS Terhadap Kekasaran Permukaan Pada Proses Pembubutan Andri Gunawan; Muksin Rasyid; Supriono Supriono
Media Informasi Penelitian Kabupaten Semarang Vol. 5 No. 2 (2023): Desember: Media Informasi Penelitian Kabupaten Semarang
Publisher : Badan Perencanaan Pembangunan, Riset dan Inovasi Daerah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sinov.v5i2.697

Abstract

To produce quality products, one way is to carry out the machining process well. Factors that influence surface roughness in the turning process are the treatment of the chisel blade, depth of cut, cutting speed, feed motion, machine vibration during cutting. This research was carried out to determine the surface roughness value using the BOHLER brand HSS Mo RAPID EXTRA 1200 chisel type on the SC 1045 steel test material. This test was carried out 5 times in each test using different cutting speeds (Vc), while the feed motion and the cutting depth is the same. To obtain surface roughness results, measurements were carried out using the Surface Test-402 measuring instrument. In 1 test, 3 measurements were carried out on different sides. The lowest surface roughness value was at cutting speed (Vc)= 45 m/min with Ra= 4.5µm with cutting time (tc)= 3.38 minutes. And the highest roughness was at cutting speed (Vc)= 235 m/min with Ra= 7.6 µm with cutting time (tc)= 1.05 minutes.