Pottery is an art craft made from clay which besides having a high use value also has a pretty good aesthetic value. Pottery craft business has existed in Indonesia since ancient times until now. This business has a deficiency in the production machine part, where the production machine still uses human power as the main driving force during the rotation during the pottery making process. Therefore, a modification of a better pottery turning machine is needed to support the pottery craft business. The design of this pottery turning machine uses a working drawing design of a pottery turning machine product with a rotating speed that can be adjusted according to work requirements via a speed control pedal. The pottery turning machine has a strong construction with machine specifications of length 760 x width 400 x height 700 mm, with the addition of 2 pulleys with a first pulley diameter of 2.5 inches, and a second pulley diameter of 12 inches with a connecting belt using type A-57. And by using umbrella gears with a ratio of z1 = 25 and z2 = 50 with a maximum pedestal capacity of 10 kg.
{"title":"Perancangan Mesin Pemutar Gerabah Dengan Kekuatan Tumpuan Maksimal 10 kg","authors":"Sir Anderson, Yazmendra Rosa, Khairul Amri, Maimuzar Maimuzar, Hendra Hendra, Aqli Ridawansyah","doi":"10.30630/jtm.16.1.980","DOIUrl":"https://doi.org/10.30630/jtm.16.1.980","url":null,"abstract":"Pottery is an art craft made from clay which besides having a high use value also has a pretty good aesthetic value. Pottery craft business has existed in Indonesia since ancient times until now. This business has a deficiency in the production machine part, where the production machine still uses human power as the main driving force during the rotation during the pottery making process. Therefore, a modification of a better pottery turning machine is needed to support the pottery craft business. The design of this pottery turning machine uses a working drawing design of a pottery turning machine product with a rotating speed that can be adjusted according to work requirements via a speed control pedal. The pottery turning machine has a strong construction with machine specifications of length 760 x width 400 x height 700 mm, with the addition of 2 pulleys with a first pulley diameter of 2.5 inches, and a second pulley diameter of 12 inches with a connecting belt using type A-57. And by using umbrella gears with a ratio of z1 = 25 and z2 = 50 with a maximum pedestal capacity of 10 kg.","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"85 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84962895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This study aims to analyze the effect of differences in tire pressure on brake testing at the Unit Pelaksana Teknis Daerah (UPTD) Motor Vehicle Testing, Solok Regency, the implementation of this analysis is to find the efficiency and deviation of the braking force on the tool. Test Brake Tester as well as the condition and calibration of the Brake Tester optimally so that the results of the test equipment are accurate so as to reduce errors in the test results. This research was conducted at the Motor Vehicle Testing Building, Solok Regency, with this research it is expected to be able to find the effect of differences in tire pressure on the efficiency and storage of the braking force. From the analysis that has been carried out, it can be concluded that different tire pressures affect the efficiency and deviation of the braking force on the Brake Tester, so it is necessary to check the tires regularly and once a year calibration of the test equipment must be carried out correctly.
本研究旨在分析不同胎压对索洛克省Pelaksana Teknis Daerah (UPTD)机动车辆测试单位制动测试的影响，实施此分析是为了找出制动力对工具的效率和偏差。对制动器测试仪以及制动器测试仪的状态和校准进行优化测试，使测试设备的结果准确，从而减少测试结果中的误差。这项研究是在Solok Regency的机动车辆测试大楼进行的，通过这项研究，预计能够发现胎压差异对制动力效率和储存的影响。从已经进行的分析可以得出结论，不同的胎压会影响制动力在制动器上的效率和偏差，因此需要定期检查轮胎，并且必须每年对测试设备进行一次正确的校准。
{"title":"Efisiensi Rem Kendaraan Bermotor Mitsubishi L300 Tanpa Beban Dengan Variasi Persentase Tekanan Angin Ban","authors":"Muchlisi Nalahuddin, Sagyta Yeniza Putri, Riza Muharni, Dedi Wadianto, Desmerita Leni","doi":"10.30630/jtm.16.1.896","DOIUrl":"https://doi.org/10.30630/jtm.16.1.896","url":null,"abstract":"This study aims to analyze the effect of differences in tire pressure on brake testing at the Unit Pelaksana Teknis Daerah (UPTD) Motor Vehicle Testing, Solok Regency, the implementation of this analysis is to find the efficiency and deviation of the braking force on the tool. Test Brake Tester as well as the condition and calibration of the Brake Tester optimally so that the results of the test equipment are accurate so as to reduce errors in the test results. This research was conducted at the Motor Vehicle Testing Building, Solok Regency, with this research it is expected to be able to find the effect of differences in tire pressure on the efficiency and storage of the braking force. From the analysis that has been carried out, it can be concluded that different tire pressures affect the efficiency and deviation of the braking force on the Brake Tester, so it is necessary to check the tires regularly and once a year calibration of the test equipment must be carried out correctly.","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"108 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72768575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bolted joints are generally used to connect two or more mechanical structures due to their ease of assembly and disassembly for maintenance. However, the problem of vibration is one of the main challenges when the tightness of the bolted joints is insufficient, causing failures such as looseness and resulting in disconnection. Looseness is the most common cause of dynamically loaded bolted joint structure failure. This study tested a simple bolt joint structure to observe the looseness indication of the bolt joint after it was vibrated using a shaker in a single-frequency excitation. A freely fixed beam consisting of two beams connected by a bolt and subjected to varying bolt tightening torques. Then the response measurement is carried out by recording the FRF graph obtained from loosening and tightening bolt torque effects. Modal parameters such as personal frequency and damping ratio were collected through experimental modal analysis (EMA). It was found that the structure’s vibration could change the conditions of loosening or lower tightening torque indicated by shifting the structure’s natural frequency. In addition, the damping characteristics are also affected by changes in the tightening torque. Especially when conditions are loose, the damping ratio becomes much higher than that of tightening.
{"title":"The Analysis of Loosening of Bolt Connection Due to Structural Vibration Through Changes in Dynamic Characteristics","authors":"Rahmatsyah Maksum Ramsi, M. Rusli, M. Bur","doi":"10.30630/jtm.16.1.1091","DOIUrl":"https://doi.org/10.30630/jtm.16.1.1091","url":null,"abstract":"Bolted joints are generally used to connect two or more mechanical structures due to their ease of assembly and disassembly for maintenance. However, the problem of vibration is one of the main challenges when the tightness of the bolted joints is insufficient, causing failures such as looseness and resulting in disconnection. Looseness is the most common cause of dynamically loaded bolted joint structure failure. This study tested a simple bolt joint structure to observe the looseness indication of the bolt joint after it was vibrated using a shaker in a single-frequency excitation. A freely fixed beam consisting of two beams connected by a bolt and subjected to varying bolt tightening torques. Then the response measurement is carried out by recording the FRF graph obtained from loosening and tightening bolt torque effects. Modal parameters such as personal frequency and damping ratio were collected through experimental modal analysis (EMA). It was found that the structure’s vibration could change the conditions of loosening or lower tightening torque indicated by shifting the structure’s natural frequency. In addition, the damping characteristics are also affected by changes in the tightening torque. Especially when conditions are loose, the damping ratio becomes much higher than that of tightening.","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"63 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79995276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Elvando Andha Elvaris manalu, Asmed Asmed, M. Mulyadi, Yuliarman Yuliarman, R. Sumiati
Almost all activities are carried out with the help of technology. It is as if technology has become a basic need for human life today. Of all the areas that have made progress, machinery is the one that has had the greatest effect. Lots of machines have emerged with new innovations with very diverse functions, one of which is the Computer Numerical Control (CNC) machine. A CNC machine is a machine used in the manufacturing industry to quickly produce large quantities of components for the engineering sector. As the name of the CNC itself, every work from CNC uses a computer system that has been well formed to produce goods that are in accordance with what is desired. Departing from some of the problems above, the author concluded to make a similar technology at a much cheaper price with a more practical work system, therefore the author made a 3 Axis Acrylic Cutting CNC Machine Using a CO2 Laser Tube".
{"title":"Perancangan Mesin CNC Acrylic Cutting 3 Axis Dengan Menggunakan Laser Tube CO2","authors":"Elvando Andha Elvaris manalu, Asmed Asmed, M. Mulyadi, Yuliarman Yuliarman, R. Sumiati","doi":"10.30630/jtm.16.1.880","DOIUrl":"https://doi.org/10.30630/jtm.16.1.880","url":null,"abstract":"Almost all activities are carried out with the help of technology. It is as if technology has become a basic need for human life today. Of all the areas that have made progress, machinery is the one that has had the greatest effect. Lots of machines have emerged with new innovations with very diverse functions, one of which is the Computer Numerical Control (CNC) machine. A CNC machine is a machine used in the manufacturing industry to quickly produce large quantities of components for the engineering sector. As the name of the CNC itself, every work from CNC uses a computer system that has been well formed to produce goods that are in accordance with what is desired. Departing from some of the problems above, the author concluded to make a similar technology at a much cheaper price with a more practical work system, therefore the author made a 3 Axis Acrylic Cutting CNC Machine Using a CO2 Laser Tube\".","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"65 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80014566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The problem of the oxy-acetylene welding plate cutting tool that is commonly used today is still in a manual way, and is not equipped with driving equipment. This results in the performance of the oxy-acetylene welding plate cutting tool when cutting is not optimal and efforts need to be made to improve the cutting tool in order to facilitate work. The purpose of this research is to produce a construction design of an automatic oxy-acetylene welding plate cutting tool. and can determine the suitability of mechanical components with the arduino control system used. The working method of the tool design process includes work preparation, data collection and making the formulation of problems and objectives to be achieved. Literature study by looking for articles, which are updated to produce solutions to existing problems. Making component and assembly designs and simulations by making calculations and uses on the mechanical construction and control systems used. Using the application of the ZW3D licensed computer aid design program, this research created a design for oxy-acetylene welding plate cutting tools by combining oxy-acetylene welding with stepper motors driven by Arduino control. Producing automatic motion with x and y axes, so that it can facilitate cutting work. The size of the designed tool is 700 mm x 700 mm x 800 mm. From the calculation, the maximum torque required by the plasma cutting table is 0.218 Nm, and the maximum power is 6.845 Watt. The motor chosen is a Nema23 stepper motor because the price is relatively cheap and in accordance with the calculation specifications. Lead Screw is used as a converter of rotary motion from stepper motor into linear motion, with specifications used with diameter = 8 mm, length = 500 mm and pitch = 2 mm.
{"title":"Perancangan Mesin Potong Torch Asetilen Dengan Gerak 2Axis Menggunakan Sistem Kontrol Arduino","authors":"Alfian Alfian","doi":"10.30630/jtm.16.1.1098","DOIUrl":"https://doi.org/10.30630/jtm.16.1.1098","url":null,"abstract":"The problem of the oxy-acetylene welding plate cutting tool that is commonly used today is still in a manual way, and is not equipped with driving equipment. This results in the performance of the oxy-acetylene welding plate cutting tool when cutting is not optimal and efforts need to be made to improve the cutting tool in order to facilitate work. The purpose of this research is to produce a construction design of an automatic oxy-acetylene welding plate cutting tool. and can determine the suitability of mechanical components with the arduino control system used. The working method of the tool design process includes work preparation, data collection and making the formulation of problems and objectives to be achieved. Literature study by looking for articles, which are updated to produce solutions to existing problems. Making component and assembly designs and simulations by making calculations and uses on the mechanical construction and control systems used. Using the application of the ZW3D licensed computer aid design program, this research created a design for oxy-acetylene welding plate cutting tools by combining oxy-acetylene welding with stepper motors driven by Arduino control. Producing automatic motion with x and y axes, so that it can facilitate cutting work. The size of the designed tool is 700 mm x 700 mm x 800 mm. From the calculation, the maximum torque required by the plasma cutting table is 0.218 Nm, and the maximum power is 6.845 Watt. The motor chosen is a Nema23 stepper motor because the price is relatively cheap and in accordance with the calculation specifications. Lead Screw is used as a converter of rotary motion from stepper motor into linear motion, with specifications used with diameter = 8 mm, length = 500 mm and pitch = 2 mm.","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87538037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Riza Muharni, Suryadimal Suryadimal, Agus Afrianda, Kaidir Kaidir, Wenny Martiana, Dytchia Septi Kesuma
Chiller adalah mesin refrigerasi yang fungsi utamanya mendinginkan air pada sisi evaporator. Air kemudian dialirkan ke AHU (Air Handling Unit) untuk didinginkan dan dihembuskan ke dalam ruangan. Penghapusan panas atau panas dimulai di evaporator. Mesin ini memiliki keunggulan lebih hemat energi dan digunakan untuk mendinginkan gedung bertingkat. Penelitian ini bertujuan untuk merancang dan membangun chiller berkapasitas 6 KW, menggunakan sistem kompresi uap dengan komponen utama kompresor, kondensor, katup ekspansi dan evaporator. Untuk mesin ini, kompresor yang digunakan adalah kompresor Bristol, round tube condenser - continuous fin compact heat exchanger coiled tube evaporator, nominal diameter ¼ inch, TC-70 capillary tube sebagai Expansion valve. Air didinginkan dari suhu 25 – 18 oC dengan mensirkulasikan air dengan pompa dengan debit aliran 10 l/menit, dan fluida kerja yang digunakan adalah R-404. Tujuan dari penelitian ini adalah manganalisa bagaimana efek beban pendingin terhadap kinerja mesin sistem pendingin, meliputi kapasitas refrigerasi, daya kompresi serta berapa besar Coefisien Of Performance (COP) pada mesin mini Water Chiller.
{"title":"Analisis Performa Sistem Pendingin Mesin Mini Water Chiller","authors":"Riza Muharni, Suryadimal Suryadimal, Agus Afrianda, Kaidir Kaidir, Wenny Martiana, Dytchia Septi Kesuma","doi":"10.30630/jtm.16.1.1063","DOIUrl":"https://doi.org/10.30630/jtm.16.1.1063","url":null,"abstract":"Chiller adalah mesin refrigerasi yang fungsi utamanya mendinginkan air pada sisi evaporator. Air kemudian dialirkan ke AHU (Air Handling Unit) untuk didinginkan dan dihembuskan ke dalam ruangan. Penghapusan panas atau panas dimulai di evaporator. Mesin ini memiliki keunggulan lebih hemat energi dan digunakan untuk mendinginkan gedung bertingkat. Penelitian ini bertujuan untuk merancang dan membangun chiller berkapasitas 6 KW, menggunakan sistem kompresi uap dengan komponen utama kompresor, kondensor, katup ekspansi dan evaporator. Untuk mesin ini, kompresor yang digunakan adalah kompresor Bristol, round tube condenser - continuous fin compact heat exchanger coiled tube evaporator, nominal diameter ¼ inch, TC-70 capillary tube sebagai Expansion valve. Air didinginkan dari suhu 25 – 18 oC dengan mensirkulasikan air dengan pompa dengan debit aliran 10 l/menit, dan fluida kerja yang digunakan adalah R-404. Tujuan dari penelitian ini adalah manganalisa bagaimana efek beban pendingin terhadap kinerja mesin sistem pendingin, meliputi kapasitas refrigerasi, daya kompresi serta berapa besar Coefisien Of Performance (COP) pada mesin mini Water Chiller.","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135983551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zulhendri Zulhendri, Yuliarman Yuliarman, Aidil Zamri, Asmed Asmed, Nota Effiandi
Begel or sekang is a longitudinal reinforcing ring to hold the shear stress that occurs in a concrete column or pillar, the putel is placed so that each longitudinal reinforcement is held so as not to bend out. So far, begel are made by sticking a shaft iron into a wood and then begel the iron manually, until it is obtained as needed. Traditional bending tools like this are inefficient because they require more energy to bend them and cannot be carried. Therefore it was designed and made PORTABLE BEGEL MAKING BENDING TOOLS. To test the speed of this tool compared with traditional bending tools. From the results of statistical tests it was concluded that the portable buckle making buckle tool is faster than the traditional buckling tool. This portable buckling device is designed more simply so that it can be carried anywhere and is easily made by construction workers.
{"title":"Rancang Bangun Alat Tekuk Pembuat Begel Portabel Dan Perbandingan Kecepatan Produksinya Dengan Alat Tradisionil","authors":"Zulhendri Zulhendri, Yuliarman Yuliarman, Aidil Zamri, Asmed Asmed, Nota Effiandi","doi":"10.30630/jtm.16.1.1080","DOIUrl":"https://doi.org/10.30630/jtm.16.1.1080","url":null,"abstract":"Begel or sekang is a longitudinal reinforcing ring to hold the shear stress that occurs in a concrete column or pillar, the putel is placed so that each longitudinal reinforcement is held so as not to bend out. So far, begel are made by sticking a shaft iron into a wood and then begel the iron manually, until it is obtained as needed. Traditional bending tools like this are inefficient because they require more energy to bend them and cannot be carried. Therefore it was designed and made PORTABLE BEGEL MAKING BENDING TOOLS. To test the speed of this tool compared with traditional bending tools. From the results of statistical tests it was concluded that the portable buckle making buckle tool is faster than the traditional buckling tool. This portable buckling device is designed more simply so that it can be carried anywhere and is easily made by construction workers.","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"44 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86835795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kaca merupakan material yang banyak ditemui dikehidupan sehari-hari, yang biasanya berupa botol, glassblock, kaca mobil, kaca lembaran dan berbagai macam produk kaca lainnya. Proses produksi kaca terdiri dari beberapa tahapan, mulai dari pencampuran bahan baku, peleburan, pencetakan, pendinginan, pengecekan kualitas, dan packing sebelum sampai kepada customer. Proses packing sangat berpengaruh untuk menjaga kualitas botol dari cacat dan kotoran. Mesin yang berfungsi untuk melakukan packing adalah mesin Shrink.
Terdapat masalah pada mesin Shrink yang mengakibatkan downtime dan pallet roboh berefek membuat botol reject yang membahayakan pekerja. Berdasarkan report trouble, trouble lifting mesin shrink menyebabkan downtime sebesar 820 menit dan menghasilkan botol reject sebesar 6407 pcs. Salah satu penyebabnya adalah kayu pallet yang jebol ketika diangkat oleh lifting mesin Shrink, dan trouble pada sistem hidrolik. Jika terus dibiarkan maka akan mengganggu proses produksi di departemen packing.
Setelah dilakukan Improvement, didapatkan hasil sebagai berikut:
Downtime Mesin Shrink berkurang, yang awalnya 820 menit menjadi 0 menit.
Tidak ditemukan terjadinya Pallet yang roboh, sehingga Jumlah botol Reject yang awalnya sebanyak 6407 pcs berkurang menjadi 0 pcs.
Tidak terjadi kendala keterlambatan saat pengiriman Produk akibat downtime lifting mesin shrink, dibuktikan dengan menurunnya tingkat downtime sebesar 100%.
{"title":"Optimasi Bagian Lifting Mesin Shrink Dalam Rangka Menurunkan Downtime Pada Unit Packing Produk","authors":"Frendy Syah Putra Sembiring, Edilla Edilla","doi":"10.30630/jtm.16.1.1090","DOIUrl":"https://doi.org/10.30630/jtm.16.1.1090","url":null,"abstract":"Kaca merupakan material yang banyak ditemui dikehidupan sehari-hari, yang biasanya berupa botol, glassblock, kaca mobil, kaca lembaran dan berbagai macam produk kaca lainnya. Proses produksi kaca terdiri dari beberapa tahapan, mulai dari pencampuran bahan baku, peleburan, pencetakan, pendinginan, pengecekan kualitas, dan packing sebelum sampai kepada customer. Proses packing sangat berpengaruh untuk menjaga kualitas botol dari cacat dan kotoran. Mesin yang berfungsi untuk melakukan packing adalah mesin Shrink.
 Terdapat masalah pada mesin Shrink yang mengakibatkan downtime dan pallet roboh berefek membuat botol reject yang membahayakan pekerja. Berdasarkan report trouble, trouble lifting mesin shrink menyebabkan downtime sebesar 820 menit dan menghasilkan botol reject sebesar 6407 pcs. Salah satu penyebabnya adalah kayu pallet yang jebol ketika diangkat oleh lifting mesin Shrink, dan trouble pada sistem hidrolik. Jika terus dibiarkan maka akan mengganggu proses produksi di departemen packing.
 Setelah dilakukan Improvement, didapatkan hasil sebagai berikut:
 
 Downtime Mesin Shrink berkurang, yang awalnya 820 menit menjadi 0 menit.
 Tidak ditemukan terjadinya Pallet yang roboh, sehingga Jumlah botol Reject yang awalnya sebanyak 6407 pcs berkurang menjadi 0 pcs.
 Tidak terjadi kendala keterlambatan saat pengiriman Produk akibat downtime lifting mesin shrink, dibuktikan dengan menurunnya tingkat downtime sebesar 100%.
","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135984082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zulhendri Zulhendri, Fadillah Hanum, M. Mulyadi, Asmed Asmed, Aidil Zamri
Mini vise is a tool to hold a relatively small object. Mini vise also have another function as a souvenirs. This design purpose is to design the mold of mini vise which is simple and effective. Doing the calculation in the procces of making the fix component of the mini vise and doing analysis the effect of mold slope in the procces of casting. The mold material is mildsteel and the case material is aluminium. There are 3 mold for fix component with different inclination angle which are 1̊, 2̊, 3̊. The best cast result is the mold with 3̊ angle. And can be concluded that bigger angle make the take out procces of the result easier.
{"title":"Pembuatan Ragum Mini Bagian Rahang Tetap dengan Metode Pengecoran Logam sebagai Cinderamata","authors":"Zulhendri Zulhendri, Fadillah Hanum, M. Mulyadi, Asmed Asmed, Aidil Zamri","doi":"10.30630/jtm.16.1.877","DOIUrl":"https://doi.org/10.30630/jtm.16.1.877","url":null,"abstract":"Mini vise is a tool to hold a relatively small object. Mini vise also have another function as a souvenirs. This design purpose is to design the mold of mini vise which is simple and effective. Doing the calculation in the procces of making the fix component of the mini vise and doing analysis the effect of mold slope in the procces of casting. The mold material is mildsteel and the case material is aluminium. There are 3 mold for fix component with different inclination angle which are 1̊, 2̊, 3̊. The best cast result is the mold with 3̊ angle. And can be concluded that bigger angle make the take out procces of the result easier.","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90355379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Picohydro is a power plant that produces 5 kW of power which consists of 3 components, namely air flow, turbine, and generator to convert maximum energy into electrical energy. Picohydro is an alternative power plant as a substitute for fossil fuel power plants (diesel and gasoline). The PCRlake flow has a flow of 0.019 m3/s which can be used as a potential source of energy to generate electricity, where the tools used are screw turbines, V-belt transmission, and DC generators. The results of the design of the screw turbine that are made have a turbine length specification of 1,140.5 mm, an outside diameter of 419.4 mm, an inside diameter of 225 mm, a turbine pitch of 503.2 mm, a number of blade turns 2 pieces, a turbine angle of 26o, a thread angle of 21o, and a head of 0.5 m. For the transmission, there are 2 type A -V belts that connect the turbine rotation to the DC generator rotation. The results obtained that the theoretical power available in the PCR lake flow is 95.01 watts. The average rotation produced by the 1,398 rpm generator is able to stably turn on as many as 6 DC lamps with a total load of 60 watts. By testing the DC lamp load, a total load of 60 watts produces a generator power of 29.14 watts, a screw turbine power of 34.08 watts. By testing using a braking system at turbine rotation it produces a maximum torque of 13.12 Nm with a screw turbine power of 46.70 watts and a turbine mechanical efficiency of 49.16%.
{"title":"Rancang Bangun Pembangkit Listrik Pikohidro Menggunakan Turbin Screw Pada Aliran Danau PCR","authors":"Jupri Yanda Zaira, Oloan Rinaldi Naibaho","doi":"10.30630/jtm.16.1.851","DOIUrl":"https://doi.org/10.30630/jtm.16.1.851","url":null,"abstract":"Picohydro is a power plant that produces 5 kW of power which consists of 3 components, namely air flow, turbine, and generator to convert maximum energy into electrical energy. Picohydro is an alternative power plant as a substitute for fossil fuel power plants (diesel and gasoline). The PCRlake flow has a flow of 0.019 m3/s which can be used as a potential source of energy to generate electricity, where the tools used are screw turbines, V-belt transmission, and DC generators. The results of the design of the screw turbine that are made have a turbine length specification of 1,140.5 mm, an outside diameter of 419.4 mm, an inside diameter of 225 mm, a turbine pitch of 503.2 mm, a number of blade turns 2 pieces, a turbine angle of 26o, a thread angle of 21o, and a head of 0.5 m. For the transmission, there are 2 type A -V belts that connect the turbine rotation to the DC generator rotation. The results obtained that the theoretical power available in the PCR lake flow is 95.01 watts. The average rotation produced by the 1,398 rpm generator is able to stably turn on as many as 6 DC lamps with a total load of 60 watts. By testing the DC lamp load, a total load of 60 watts produces a generator power of 29.14 watts, a screw turbine power of 34.08 watts. By testing using a braking system at turbine rotation it produces a maximum torque of 13.12 Nm with a screw turbine power of 46.70 watts and a turbine mechanical efficiency of 49.16%.","PeriodicalId":31956,"journal":{"name":"Jurnal Teknik Mesin","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135982883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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