Abstract
To lift a vehicle on a bike lift, a strong frame is needed. A bike lift is a tool for lifting a motorcycle and at the same time, it can be said as a work table. Most of the servicing and repair work of motorbikes is done under the hands, so to do this the mechanic has to sit or squat. By using a bike lift, the height of the motorbike can be adjusted according to the mechanical body posture, so that according to the service work can be done in a comfortable body position without having to squat for a long time. The purpose of this research is to get a strong frame, especially on pins that are exposed to loads from the frame and vehicles. This research uses the calculation of the load that occurs at each load point and calculates the shear stress that occurs at each load point and performs a tensile test on the pin material. The results of the study, the calculation of the largest shear stress, namely 13.26 N, occurred at the bottom pin position with a pin diameter of 10 mm. Meanwhile, from the results of the pin material testing, the shear stress in the safe material range is 354.24 N / mm2. So it can be concluded that the results of the calculation of shear stress that occurs on each bike lift frame pin using solid iron pipe or axles with a diameter of 16 mm and 10 mm, the largest shear stress that occurs on the pin is 13.26 N at the pin position 10 mm. Meanwhile, from the test results of the iron used for the pin, the shear stress in the safe range of the material is 354.24 N / mm 2. So it can be concluded that the use of solid steel pipe for axles with a size of 10 mm and is exposed to the largest shear stress from the frame load, namely, 13.26 N /mm2 is safe to use and strong to withstand the load given to the bike lift .
Highlights
Mesin pengangkat kendaraan sepeda motor atau sering disebut bike lift adalah alat yang digunakan untuk mengangkat kendaraan sepeda motor dengan beban maksimal yang telah ditentukan yaitu 150 kg.[1]Bike lift merupakan alat untuk mengangkat sepeda motor dan sekaligus bisa dikatakan sebagai meja kerja
A bike lift is a tool for lifting a motorcycle
it can be said as a work table
Summary
Penelitian ini diawali dengan studi pustaka,studi rangka, persiapan alat dan bahan, pengujian pin pada roller (uji tarik) yang nantinya digunakan untuk perhitungan analisis kekuatan pinpadabike liftyang berpengaruh terhadap pengujian pin pada roller, lalu analisa data, hasil dan pembahasan, kesimpulan dan saran.Penelitian ini dilaksanakan di Laboratorium Prodi Teknik Mesin, Politeknik Harapan Bersama, dengan kurun waktu selama 6 bulan. Beban yang harus ditahan rangka adalah : a. A. Beban Rangka Atas Disini ada 3 (tiga) posisi rangka yang akan dihitung bebannya, yaitu posisi pertama posisidimana bike lift paling rendah, posisi kedua bike lift naik sekitar 500 mm, dan posisi ketiga bike lift naik sekitar 800 mm. 1. Posisi Pertama Selanjutnya akan dilakukan perhitungan beban pada titik berat rangka atas pada posisi pertama. Selanjutnya adalah mencari beban yang terjadi pada Ra dan Rc jika diketahui beban F adalah 1666 N dan jarak antara titik seperti terlihat pada gambar diatas. 2. Posisi kedua Selanjutnya akan dilakukan perhitungan beban pada titik berat rangka atas pada posisi kedua. 3. Posisi Ketiga Selanjutnyaakan dilakukan perhitungan beban pada titik berat rangka atas pada posisi ketiga.Diketahui : F = 1666 N
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