We describe a fully computer-controlled differential optical absorption spectroscopy system for atmospheric air pollution monitoring. A receiving optical telescope can sequentially tune in to light beams from a number of distant... more
Machining is an important manufacturing process that is used in a wide range of applications. From aerospace applications to the manufacturing of energy systems we see a major reliance on machining. Nowadays, CNC machining is found in... more
The research work documented in this paper is divided into two parts. In the first part, a generic infrastructure for implementing STEP-NC data models is proposed. The infrastructure illustrates a bidirectional data flow of three... more
CNC machinery is widely used at various kind of industrial sector to manufacture of art products up to satellite products. Instead of its massive utilization in automotive and electronic industry which mostly use metallic component, wood... more
In the performance of a spindle CNC system, its bearings play an important role. Many problems arising in a spindle CNC operation are linked to bearing faults. In this project, the accuracy of the instruments and devices used to monitor... more
Computer numerically controlled (CNC) milling has been one of the most commonly used manufacturing processes for the performance of multiple operations, from tiny integrated circuits to heavy-duty mining machine gearboxes. It is a... more
Substantial progress and development in additive manufacturing (AM) technologies have been realised during the last decade but have hardly been implemented on AM systems due to old numerical solutions still used by the AM digital thread,... more
This paper describes one of the functional methods for two-mass system torsional vibrations suppression that are evoked due to torsion plasticity of kinematical chain links and large moment of inertia. This strategy belongs to the group... more
A series of cutting trails have been carried out utilising milling operations and the development of chatter on the machmed surface has been analysed. 3D surface metrology techmques have been used to characterise the surface and... more
In the field of Engineering, the solution of many complex problems is great limitless and usually impossible by analytical methods. For high exactness and repeatability, machine tools are used in industrial operation. Normally, several... more
The need for freeform surfaces are widely recognized in the optical, aerospace, biomedical, and automotive industries. However, the fabrication of freeform surfaces is very difficult and expensive because of the involvement of advanced,... more
Reconfigurable machine tools are proposed as manufacturing concepts coping with turbulent and quickly changing business environments. New tools for efficient modelling of different machine variants are required in order to facilitate and... more
Reconfigurable machine tools are proposed as manufacturing concepts coping with turbulent and quickly changing business environments. New tools for efficient modelling of different machine variants are required in order to facilitate and... more
Virtual manufacturing systems can provide useful means for products to be manufactured without the need of physical testing on the shop floor. As a result, the time and cost of part production can be decreased. There are different error... more
Computer Numerical Control (CNC) technology's precision and complexity in design are two of its greatest strengths. CNC machines can make consistent and accurate cuts, drills, and shapes because they are controlled by computer programs.... more
Sebelum melakukan penentuan strategi perawatan dilakukan pemilihan prioritas failure yang akan ditangani dengan menggunakan diagram pareto sesuai dengan nilai Risk Priority Number (RPN) masing-masing failure yang teah diidentifikasi.... more
The development of unmanned machining systems has been a recent focus of manufacturing research. The conventional milling machine removes metal with a revolving cutting tool called a milling cutter. For this, CNC machines are in use. CNC... more
This article provides a treasure trove of control system science in order to remember the competitiveness of SME production in Indonesia. Many SME entrepreneurs are still unfamiliar in using CNC Machines to work on SME practitioners. CNC... more
A single beam, multiple target (SBMT) deposition system which features a rotating target holder with either elemental or simple compound targets has been developed for the production of layered thin film structures and multicomponent... more
The paper presents the results of improving the production process using the SMED method. The process improvement was carried out in a company in the construction industry, using a machine park consisting of CNC machines. The study... more
In this paper, the popular ®nite forward differencing algorithm for fast evaluation of points on a cubic parametric curve is modi®ed for its application to CNC systems so that the inherent accumulative error in the calculation of one... more
• Homogeneous milling achieved with multi-point referencing • Precise and stable PCB milling with Z-axis homogeneity • Mechanical CNC method for prototyping without environmental harm
This work introduces the formulation and application of a MILP model to solve the problem of planning the weekly production of a machining plant using numerical control lathes to manufacture spare parts for agricultural machines. The... more
A generalized algorithm for selection of the electric drive system for a class of machining centers with computer numerical control is presented in this paper. The successive steps for the calculation of feed and spindle drives in... more
In this paper the basic requirements for the modern machine tools with digital program control are formulated. The main directions of modernization of a class of machine tools are shown. The practical applications of the modernized... more
For lathe machining, pre-processing of the CAD data in Computer Aided Process Planning (CAPP) is essential since it is the link between CAD and CAM. Thus, cylindrical part model orientation is important to be determined in order to ensure... more
Due to its high precision, productivity, and surface quality, computer numerical control turning (CNC) is a desirable processing tool in the traditional processing area. CNC machining procedures have a huge number of process parameters,... more
A new regenerating method for cutter location paths using smaller tools to produce cylindrical cams is presented. Based on the expected motions, cams are used in various applications in the mechanism. For a cylindrical cam, the roller... more
The paper presents a proposal to ensure Closed-Loop Manufacturing from CNC machines to CAM systems. The main goal is to manage knowledge from the CNC machine and to reuse it in the CAM system. This proposal aims to help CAM programmers... more
In this paper has focus on the geometric characteristic of the contact contour between the upper die and the cylindrical workpiece. The correlation curves of the rate of the contact area (λ) and the angle subtended by the contact arc... more
In this paper a reserch regarding the surfece of hydroforming tubs, made by aluminium and cooper is presented. Tube hydroforming is very important production method considering that metal tubes are widely used in a great variety of... more
In this paper I want to presents the process for manufacturing one complex parts made by aluminum alloy. For manufacturing this complex part I used CAD/CAM software, CNC milling machine and same special tools. Starting from the 3D model... more
In this paper we shortly review the literature on buffer stock allocation strategies in serial production lines. A large number of experiments are conducted to analyze the behaviour of work-in-process given that the objective is to... more
The use of CNC equipment in industry is increasing with the rapid development of technology. For lowering the machine complexity and expense the production of inexpensive CNC machine is used. This paper describes an automated micro CNC... more
A technology has been developed to produce low-cost high-quality FCP (free-form concrete panel) using materials such as glass and pulp. However, FCP production and installation should meet required schedules in order for such... more
Free-form designs are increasing which is beyond a simple design form to meet the requirements of clients wishing to improve the building value and of the government for symbolic buildings. Furthermore, development of construction... more
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY
When using concrete to produce exterior finishing panels of free-form building structures, different panel shapes make it difficult to reuse the forms. This results in increased formwork cost as well as a significant amount of embodied... more
Various studies have been conducted to construct free-form buildings, but it still takes a lot of labor, cost, and time to assure the accuracy of designed shapes. In particular, molds for the production of free-form concrete panels (FCPs)... more
The precast concrete (PC) method is preferable in construction activities for its short construction time, guaranteed quality, and cost-effectiveness. Most researchers and engineers believe that these benefits are maximized if the PC... more
Although various mold design and techniques have been introduced for free-form building production, successes so far have been only minor owing to lack of adaptability, machine errors, and high production cost. Herein, this presents a new... more
Manufacturing industries strive to produce improved component accuracy while not reducing machine tool availability or production throughput. The accuracy of CNC production machines is one of the critical factors in determining the... more
In this study, the objective is to obtain optimal values of CNC turning parameters (cutting speed, depth of cut and feed rate) which result in an optimal value of surface roughness by machining aluminum shaft. In this work, Taguchi method... more
Roboticists are faced with new challenges in robotic-based manufacturing. Up to now manufacturing operations that require both high stiffness and accuracy have been mainly realized with computer numerical control machine tools. This paper... more
This paper considers the characteristics of magnetic bearings used to support a three mass flexible rotor operated at speeds up to 14,000 RPM. The magnetic components of the bearing are of a type reported in the literature previously, but... more