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INDONESIA
Journal of Mechanical and Manufacture
Published by Universitas Majalengka
ISSN : -     EISSN : 28294424     DOI : -
Core Subject : Engineering,
Aerospace Engineering Automotive Engineering Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Journal Of Mechanical And Manufacture (JMM) published 2 (two) times a year . Since 2022, the JMM published in March and September . Contents of the journal discusses the results of research in the field of manufacture engineering, industrial engineering and mechanical engineering
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 89 Documents
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STRENGTH ANALYSIS OF SELIS BRAND ELECTRIC BIKE FRAME THUNDER TYPE BMX 350 WATT USING ANSYS V17 SOFTWARE Ruyanto, Ruyanto; Samantha, Yudi; Koswara, Engkos
Jurnal Mekanika dan Manufaktur Vol 1 No 1 (2021)
Publisher : Universitas Majalengka

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Abstract

Frame is one important component of the electric bicycle because it serves as the supporting components are installed, so that it becomes a unity that makes electric bikes can run. For static stress analysis was performed on an electric bicycle frame brands Selis thunder type 350 watts using ANSYS software V17 with amaximum static load of 1,200 kg. The purpose of this study was to determine the strength that is capable detained by order so that an unknown number of safety.After testing obtained amounted to 413.73 MPa maximum stress, maximum strain of 20.687x10-4 mm/mm , total maximum deformation of 95.99x10-2 mm and the safety factor at 0.6042.
PRODUCT QUALITY CONTROL ANALYSIS TO MINIMIZE PIRN BOBIN SUPPLY'S DEFECTS WITH SIX SIGMA METHOD IN THE TEXTILE INDUSTRY (CASE STUDY PT. X-MAJALENGKA) Salis Fauzi, Leni; Alamsyah P, Agus; Rizanuddin N, Hafni
Jurnal Mekanika dan Manufaktur Vol 1 No 1 (2021)
Publisher : Universitas Majalengka

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Abstract

The industrial sector is now a new foundation for the people of Indonesia. Quality is a key factor that brings business success, growth and increasing competitive position. The quality of a product is defined as the degree or extent to which products or services are able to satisfy the desires of consumers (fitness for use). In fact, if the product or product can not achieve precisely the purpose for which the item is intended or used, it does not necessarily mean that the consumer or the buyer will make a complaint to the producer. Different types of methods are developed and applied by industrial societies to produce products of better quality. Six sigma is a method of controlling and improving the quality of Motorola implemented by the company since 1986 and then used by companies large-scale international level.PT. X-Majalengka, the company is engaged in semi-finished textiles. Research carried out is in part preparation before the weaving process, namely the winding. The number of mismatches that continued to occur on the production floor Grade A winding into a decrease in Gray cloth. Yarn is the main ingredient pembutan fabric gray, yarn used affects the quality of gray cloth produced, of course, to produce gray cloth that grade A then the thread used to be quality yarn, a process for producing quality yarns is the preparation stage is the process of winding, Good thread the warp or weft will experience the process of winding. By using six sigma analysis showed that the quality Pirn supply bobbins produced by the company has a good process capability. Based on Sigma value calculation, the average value of the company is 2.52 sigma with 169.31 Defect per million Opportunitas (DPMO). This shows a consistent pattern of DPMO and sigma achievement, indicating that the production pattern has been properly managed. And types of disabilities in Pirn product supply bobbins grouped into three types. This type of disability is calculated frequency for 1 year of production from July 2016 until June 2017 that is hairy 72 pirn, deflated loops154 and 245 pirn pirn.
ANALYSIS OF SERVICE QUALITY AND SATISFACTION CUSTOMERS USING THE FUZZY METHOD ON PLASA TELKOM MAJALENGKA Widianarti, Tia; Alamsyah, Agus; Whydiantoro, Whydiantoro
Jurnal Mekanika dan Manufaktur Vol 1 No 1 (2021)
Publisher : Universitas Majalengka

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Abstract

Plasa Telkom is a service that is fully managed by us or in cooperation with partners is provided to serve the customers / potential customers are serviced directly (face to face) with a wide range of possibilities, both recognize the need for all information related to our services and products for the fulfillment of the product itself. Plasa is a facility walk-in customer service points where customers can obtain a variety of information products and services, including billing, payment, suspension of subscriptions, promotions until the grievance. Among the types of serv phone bill payment, payment of the new post, a new plug / mutation, disorders, and others. Indihome product (phone, internet on fiber or high speed internet and cable useetv). Here the author will discuss about the quality of service on the plaza Telkom Majalengka through fuzzy method. Dimensions that will be discussed is the reliability (reliability), responsiveness (responsiveness), assurance (assurance), empathy (empathy), and evidence (tangibles). In order to determine each of these dimensions with fuzzy measurement.
FACILITY LAYOUT REDESIGN AT DEPARTMENT OF RAILWAY INFRASTRUCTURE (CASE STUDY AT PT PINDAD BANDUNG) Puja Kurnia, Tri; Whydiantoro, Whydiantoro; Wahyuni, Tantri
Jurnal Mekanika dan Manufaktur Vol 1 No 1 (2021)
Publisher : Universitas Majalengka

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Abstract

Every company, both large companies and small companies, will face problems layout.semua facilities for the production of both machines, labor and other facilities should be provided in place of each, so that it can work with baik.setiap array of machines and production equipment at a factory called layout. So layout problems associated with the preparation of machinery and equipment production in pabrik.perosoalanya is how we set up the machines and other production equipment so that it can run production as effectively as possible. The composition of plant equipment. The layout in PT. PINDAD (Persero) shall be designed so that the development of efficient factory area and the production and distribution process can proceed smoothly, so the security, safety, and comfort for employees can be met. In addition to the process equipment, some engine placement should match the flow of the production process e-clip, and so placed on the part that does not interfere with the traffic of goods and processes. Location of the plant will directly affect the survival of plant process includes the successful and smooth production plant.
DESIGN OF A MANGO PICKING TOOL WITH USING QUALITY FUNCTION METHOD DEPLOYMENT (QFD) AND ERGONOMIC FOR DETERMINING STANDARD DIAMETER GRAND GALAH Fauzi Ghani, Irvan; Susandi, Dony; Whydiantoro, Whydiantoro
Jurnal Mekanika dan Manufaktur Vol 1 No 1 (2021)
Publisher : Universitas Majalengka

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Abstract

Traditional mango pickers made from bamboo. The characteristics of the mango fruit picker tool can not be adjusted in short length so there are difficulties during use, such as reaching different tree heights. Long shapes make picking tools mango fruit difficult to carry. A fragile basket template. There is no standard handheld diameter galah so there are some users feel uncomfortable when grasping it because of smallness or greatness.he design of the mango fruit picker tool using Quality Function Deployment (QFD) can make the product based on the wishes and needs of the users of the mango pickers. Product Design With QFD This requires Customer Voices to compile House Of Quality primary needs for the users obtained from the Customer Voices this will be used as the basis for designing the picker tool mango fruit. Designing the product by applying the hand anthropometry data of the handheld diameter (Maximum) using the P50 percentile. The use of the 50thpercentile is intended that users with larger or smaller handheld diameters may grasp it.
Reconditioning Load Cell Tensile Testing Machine Capacity 2 Ton Tarsudin, Tarsudin; Koswara, Engkos; Rachmat, Asep
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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Abstract

Test equipment is an educational laboratory facility that is very important in supporting and supporting the teaching and learning process in the laboratory. , load cell is an electronic device that is used as an additional device in a tensile testing machine. The tensile test results will be better or more accurate if the tensile test equipment is equipped with a load cell using a data device system. Obtained from this test, namely the stress value that occurs in the load cell, the stress on the ST37 steel specimen is 48.56 kg/mm², the maximum stress is 952.99 kg/mm². While the stress on the 6061 aluminum specimen is 15.6 kg/mm², and the maximum stress is 306.15 kg/mm². In addition to the workpiece that breaks due to tension, a tensile test curve is also generated. This curve is a description of the workpiece loading process from the beginning of the withdrawal to the end of the workpiece.
PYROLYSIS REACTOR ANALYSIS OF MATERIAL PRODUCTION RESULTS BURN WITH 3KG CAPACITY Damaputra, M Kitabika; Susandi, Dony; Rachmat, Asep
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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Abstract

Garbage is one of the factors that damage the environment, basically garbage increases along with the increase in population and the level of consumption of the processing community Waste is two sides of a coin, waste recapitulation in 2020 in Majalengka Regency is data from the DLH (Environmental Service) Majalengka states that the population is 1,250,180 people produce 14,857 tons/day or 178,285 tons/year waste and transported or processed waste only 34,675 tons/year, this pyrolysis process is a thermochemical decomposition of organic material or inorganic processes that take place without air or oxygen where the raw material will undergo breakdown chemical structure into the gas phase, the plastic pyrolysis process requires several tools, namely a reactor as a combustion without air or oxygen from plastic so that it becomes gas, parameters including temperature which affects the change of plastic into gas, the pressure on the reactor tube caused by the thermal decomposition of plastic into pyrolysis gas, these parameters in the pyrolysis process are mutually tangent because the temperature of the combustion of the reactor will determine the resulting pressure, This is because the hotter the combustion in the reactor, the faster the pyrolysis process occurs, 180 minutes of the oil process produced by PP type plastic is 800 ml while LDPE type plastic is 500 ml, the results on the two plastics are different due to the difference in melting point temperature between types of plastic PP and LDPE, these parameters can be seen in the heat transfer in the pyrolysis reactor of 3.798 x 109 with turbulent flow type
DESIGN AND CONSTRUCTION OF WORK OBJECTS USING A MAGNETIC VENUE ON A DRILL MACHINE Purwa Tarozzi, Angky; Rachmat, Asep; Dewi Jannati, Eidelweis
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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Abstract

The development of science and technology and along with advances in the field of industry, especially in the field of machinery, various tools were created to simplify and increase human comfort in fulfilling their needs. The workpiece gripping mechanism on the sitting drill machine works by being controlled manually using a control lever, making it difficult for the operator to operate and making the processing time long. The author will conduct research on the design of workpiece gripping tools using a magnetic vise on a drilling machine. It is hoped that the design of this magnetic vise can reduce the work of an operator and can shorten the time of installing the workpiece so that it can increase the work productivity of the drilling machine, reduce operating costs and increase the work safety of an operator. From the results of the analysis of the design of the Magnetic Vise designer, it can be concluded that the circular magnetic field around the wire is 8100π x 10-4 Tesla, Resultant of Magnetic Induction in Parallel Wire B1 = 18 x 10-5 Tesla and B2 = 10.8 x 10 -5 Tesla, Resultant magnitude of magnetic induction Bp = 28.8 x 10-5 Tesla. The solenoid is a coilshaped wire with fairly tight turns and has a length of = 360 cm with a number of turns = 150, the magnitude of the magnetic induction at the end of the solenoid is different from the magnitude of the magnetic induction at the center of the solenoid. The magnitude of the magnetic induction at the center of the solenoid is 45 x 10-5 Tesla. larger than the solenoid tip by 11.25 x 10-5 Tesla.
DESIGN OF MOVEMENT SYSTEM SHAKER SCREEN SEATHER MACHINE Crankshaft ROTATION Pebrian A R, Rahman; Rachmat, Asep; nasim, Nasim
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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Abstract

The sand sieving machine, shaker screen, crankshaft rotational motion system, is a machine that facilitates building work in separating the mixture of sand and gravel. In the design and analysis related to the selection of the frame model in order to determine the strength of the material in holding each component of the sand sieving machine, this research uses solidwork software, based on the results of the solidwork software simulation, the stress value in the sieving tank is 3,303 N/mm2, the displacement value is 2,325 mm, the safety factor by means of a simulation of 4,059. The capacity of the shaker screen sand sieving machine has a volume of 0.824 with a length of 160 cm, a width of 70 cm and a capacity of accommodate wet and dry sand media weighing 30 kg.
THE TORQUE TEST SPECIMENS ANALYSIS USING FINITE ELEMENT ANALYSIS Riyadi, Slamet; Setiawan, Tia; Koswara, Engkos
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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Abstract

The industrial component of industrial equipment is required to have good quality. The elementsor components of a tool must be light but have strong and corrosion-resistant alloys. Testing ofthe materials to be used must be appropriate and in accordance with the needs. There are severalways, one of which is by using a torque testing machine and Finite Element Analysis (FEA). FiniteElement Method (FEM) or commonly called Finite Element Analysis (FEA), is a numericalprocedure that can be used to solve certain engineering problems. Modeling torsion test objectsusing the FEM with a moment 598.0635 N mm, - 598.0635 N mm with respect to vector Xcounterclockwise. The material used is ASTM A 36 with a mass of 0.0163569 kg and a volume of2083.94 mm^3, torsion test analysis using finite element-based software. Based on thesimulation results, it can be seen that the largest stress (maximum stress) occurs in the XZ vectorwith a value of 10.4783 MPa, while the smallest stress (minimum stress) occurs towards the YZvector with a value of 0.15986 MPa. The largest strain (maximum strain) occurred in vector XZwith a value of 0.000068123 ul, while the smallest strain (minimum strain) occurred in vector XXwith a value of 0.00000107672 ul. The safety factor obtained is 0.71, meaning that the value isless than equal to 1 which indicates that the test object is unable to accept the given load.

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