An Approach to Develop Shaper Cum Slotter Mechanism: A Reconfigurable Machine Tool

2019 ◽  
Vol 8 (2) ◽  
pp. 195-206 ◽  
Author(s):  
Ashutosh Singh ◽  
Mohammad Asjad ◽  
Piyush Gupta ◽  
Jahangir Quamar
Keyword(s):  
Machine Tool ◽  
Manufacturing Systems ◽  
Manufacturing Industry ◽  
Manufacturing System ◽  
Design Tool ◽  
Reconfigurable Manufacturing ◽  
Traditional Structure ◽  
Manufacturing Techniques ◽  
Solid Works ◽  
Reconfigurable Machine Tool

The traditional structure of machines (such as lathe, milling, shaper, slotter, drilling and planer) has become questionable because of the modular concepts (such as modularity, scalability, convertibility, mobility and flexibility) and reconfiguration becomes a promising approach towards modular manufacturing machines, in which manufacturing techniques are independent of changes. In this area, reconfigurable machine tool (RMT) forms a new class of modular machines in current manufacturing scenario where the manufacturing industry put a strong pressure on good quality and price reduction. The capabilities of the machines tool and manufacturing systems in reconfigurable manufacturing system (RMS) change with each reconfiguration (both software and hardware modules). In this case, an approach is presented for reconfiguration of horizontal shaper machine for developing the modular shaper cum slotter machine in a manufacturing system by adding some auxiliary (like Scott Russel mechanism) and some basic modules and the reconfiguration features of traditional shaper and slotter machine are also discussed. The proposed approach is illustrated with a figure, which has been designed on 3-D design tool (solid-works software platform). It is expected that, this work will help designers and practising engineers by making them aware of the reconfiguration mechanisms on traditional shaper machine, which have become a necessity for the very survival of manufacturing by lowering the operational costs.

Enhancing the Reconfigurability Issues of Machine Tool for Reconfigurable Manufacturing System (RMS)

2020 ◽  
Vol 05 (03) ◽  
pp. 349-463
Author(s):  
Ashutosh Singh ◽  
Mohammad Asjad ◽  
Piyush Gupta
Keyword(s):  
Machine Tool ◽  
Design Tool ◽  
Small Scale ◽  
Reconfigurable Manufacturing ◽  
3D Design ◽  
Manufacturing Operations ◽  
Solid Works ◽  
Novel Concept ◽  
Interim Storage ◽  
Reconfigurable Machine Tool

This paper presents a novel concept to enhance the reconfigurability issues (i.e. convertibility, flexibility, etc.) of a small-scale reconfigurable machine tool (RMT) by combining multiple modules (both basic and auxiliary parts) and manufacturing operations on a single workstation. The proposed reconfigurable machine will reduce the overall space, transport time, ramp up time, reconfiguration time and interim storage space. Further, various characteristics of reconfigurability (such as scalability; convertibility, flexibility, etc.) and enablers of the machine tool have been discussed. The proposed design is illustrated with a figure, which is designed on a 3D design tool (solid-works software platform).This machine tool will perform six major cutting and finishing operations, namely, hacksaw cutting, milling, drilling, grinding, buffing and lathe operations on a single work platform.

Integrated Development of a Modularized ECM Manufacturing System Based on the Reconfigurable Manufacturing System Concept

2012 ◽  
Vol 516 ◽  
pp. 102-107 ◽  
Author(s):  
Chin Wei Liu ◽  
You Lun Chen ◽  
Wen Chien Wu
Keyword(s):  
Manufacturing Industry ◽  
Manufacturing System ◽  
Design Method ◽  
Electrochemical Machining ◽  
High Hardness ◽  
Cost Effective ◽  
Production Costs ◽  
Reconfigurable Manufacturing ◽  
Reconfigurable Manufacturing System ◽  
Reconfigurable Machine Tool

An electrochemical machining (ECM) manufacturing system with a reconfigurable manufacturing system (RMS) is proposed for machining materials with high hardness and with unique contours or specific edge geometries that are normally unobtainable by conventional machining methods. In the manufacturing industry, ECM systems must usually be custom designed to meet customer needs. An RMS reduces engineering time and production costs by enabling rapid and cost-effective conversion of manufacturing machines, systems, and controls in response to the market changes or customer demands. This study proposes a design method for constructing a hierarchical structure control module for synchronously reconfiguring controls and machining characteristics in a reconfigurable machine tool.

Key Technology and Architecture of Reconfigurable Manufacturing System

2014 ◽  
Vol 556-562 ◽  
pp. 6034-6037
Author(s):  
Dong Man Yu ◽  
Zhi Hua Gao ◽  
Xiao Jing Li ◽  
Di Wang
Keyword(s):  
Manufacturing Systems ◽  
Manufacturing System ◽  
Reconfigurable Manufacturing Systems ◽  
Reconfigurable Manufacturing ◽  
Sustainable Change ◽  
Reconfigurable Manufacturing System ◽  
Key Technology ◽  
Common Space ◽  
Design And Manufacture

Reconfigurable manufacturing system is essential for sustainable change, rapid response ability important characteristics, research, development and application of manufacturing system. The main architecture and major characteristics of reconfigurable manufacturing systems is explored. Normally, the quality of RMS can be evaluated by several factors. Firstly, the gross cost of production and reconstruction should be less. Secondly, The time of design and manufacture (ascent time) should be shorter. Thirdly, the utilization ratio of existed resource should reach to the utmost. Finally, the cargo stream planning in common space should keep in optimal condition. At last, The author give an example to shown the RMS, the hydraulic integrated package for a gearshift device in automobile, are mentioned to compare and analyze.

Facilitating ease of system reconfiguration through measures of manufacturing modularity

2008 ◽  
Vol 222 (10) ◽  
pp. 1275-1288 ◽  
Author(s):  
A M Farid
Keyword(s):  
Manufacturing Systems ◽  
Manufacturing System ◽  
Automated Manufacturing ◽  
Reconfigurable Manufacturing Systems ◽  
Reconfigurable Manufacturing ◽  
Automated Manufacturing Systems ◽  
System Reconfiguration ◽  
Qualitative Understanding ◽  
System Interfaces ◽  
Changes Over Time

In recent years, many design approaches have been developed for automated manufacturing systems in the fields of reconfigurable manufacturing systems (RMSs), holonic manufacturing systems (HMSs), and multiagent systems (MASs). One of the principle reasons for these developments has been to enhance the reconfigurability of a manufacturing system, allowing it to adapt readily to changes over time. However, to date reconfigurability assessment has been limited. Hence the efficacy of these design approaches remains inconclusive. This paper is the second of two in this issue to address reconfigurability measurement. Specifically, ‘reconfiguration ease’ has often been qualitatively argued to depend on the system's modularity. For this purpose, this paper develops modularity measures in a three-step approach. Firstly, the nature of typical manufacturing system interfaces is discussed. Next, the qualitative understanding underlying existing modularity measures is distilled. Finally, these understandings are synthesized for a manufacturing system context. This approach forms the second of two pillars that together lay the foundation for an integrated reconfigurability measurement process described elsewhere.

Convertibility and Productivity of Manufacturing System Configurations

Manufacturing ◽  
2003 ◽  
Author(s):  
Valerie Maier-Speredelozzi ◽  
Theodor Freiheit ◽  
S. Jack Hu
Keyword(s):  
Manufacturing Systems ◽  
Manufacturing System ◽  
Reconfigurable Manufacturing ◽  
Productivity Analysis ◽  
System Productivity ◽  
Require Time ◽  
Multiple Products ◽  
Productivity Losses ◽  
System Configurations

Conversions between different products manufactured on the same system often require time-consuming shut-downs and thus, incur productivity losses. Producing multiple products on the same line complicates system productivity analysis because production rates, failure rates, and repair rates vary between different part types. Certain manufacturing system configurations have advantages when convertibility is considered. Ideally, manufacturing lines that produce a mix of products or undergo a product rollover would not see any loss in production relative to lines that continuously produce a single product throughout the system lifetime. This paper investigates the interactions between convertibility and productivity for different manufacturing system configurations, using analytical methods. The methods presented in this paper can be applied to assembly or machining stations in dedicated, flexible, or reconfigurable manufacturing systems. When designing such systems, it is important to recognize that more convertible systems are more productive over the long-term, as product designs change.

Simultaneous Scalable-Reconfigurable Manufacturing System Design and Inventory Control Policy Decision Making

2006 ◽  
Author(s):  
J. Patrick Spicer ◽  
Hector J. Carlo
Keyword(s):  
System Design ◽  
Inventory Control ◽  
Manufacturing Systems ◽  
Traditional Approach ◽  
Mathematical Formulation ◽  
Control Policy ◽  
Reconfigurable Manufacturing ◽  
Simultaneous Approach ◽  
Inventory Control Policy ◽  
Reconfigurable Machine Tool

Scalable reconfigurable manufacturing systems (scalable-RMS) consist of standardized modular equipment that can be quickly added or removed to adjust the production capacity. Each modular machine, referred to as a scalable reconfigurable machine tool (scalable-RMT), is composed of identical modules that can be added to, or removed from the machine depending on its required throughput. In previous work, conceptual scalable-RMTs have been described. Additional scalable-RMTs are presented in this paper to highlight the applicability of this concept in manufacturing. As an extension to existing scalable-RMS literature, this paper incorporates multiple products in the system configuration design. Specifically, this paper proposes an integer programming based iterative algorithm for finding the minimum cost configuration of a multi-product system. It is shown that the proposed algorithm converges to the optimal solution under the majority of practical conditions. Then, a mathematical formulation to minimize the system investment and operational costs in a multi-product scalable-RMS is presented. A numerical example compares the solution obtained using the traditional approach of determining the system design and then the inventory control policy versus the proposed simultaneous approach. It is concluded that the simultaneous approach yields significant improvement over the traditional (decoupled) approach.

Real-Time Prognostic and Dynamic Maintenance Window Scheme for Reconfigurable Manufacturing Systems

2019 ◽  
Author(s):  
Yifan Dong ◽  
Tangbin Xia ◽  
Lei Xiao ◽  
Ershun Pan ◽  
Lifeng Xi
Keyword(s):  
Real Time ◽  
Manufacturing Systems ◽  
Manufacturing System ◽  
Degradation Process ◽  
Maintenance Cost ◽  
Time To Failure ◽  
Reconfigurable Manufacturing Systems ◽  
Reconfigurable Manufacturing ◽  
Reconfigurable Manufacturing System ◽  
Dynamic Maintenance

Abstract Real-time condition acquisition and accurate time-to-failure (TTF) prognostic of machines are both crucial in the condition based maintenance (CBM) scheme for a manufacturing system. Most of previous researches considered the degradation process as a population-specific reliability characteristics and ignored the hidden differences among the degradation process of individual machines. Moreover, existing maintenance scheme are mostly focus on the manufacturing system with fixed structure. These proposed maintenance scheme could not be applied for the reconfigurable manufacturing system, which is quite adjustable to the various product order and customer demands in the current market. In this paper, we develop a systematic predictive maintenance (PM) framework including real-time prognostic and dynamic maintenance window (DMW) scheme for reconfigurable manufacturing systems to fill these gaps. We propose a real-time Bayesian updating prognostic model using sensor-based condition information for computing each individual machine’s TTFs, and a dynamic maintenance window scheme for the maintenance work scheduling of a reconfigurable manufacturing system. This enables the real-time prognosis updating, the rapid decision making for reconfigurable manufacturing systems, and the notable maintenance cost reduction.

Stochastic Design Exploration with Rework of Flexible Manufacturing System Under Copula-Coverage Approach

2018 ◽  
Vol 25 (02) ◽  
pp. 1850007 ◽  
Author(s):  
Mangey Ram ◽  
Nupur Goyal
Keyword(s):  
System Reliability ◽  
Flexible Manufacturing ◽  
Manufacturing Systems ◽  
Manufacturing Industry ◽  
Manufacturing System ◽  
Flexible Manufacturing System ◽  
Reliability Measures ◽  
High Productivity ◽  
Reliability Characteristics ◽  
Production Environments

Manufacturing systems are increasingly becoming automated and complex in nature. Highly reliable and flexible manufacturing systems (FMSs) are the necessity of manufacturing industries to fulfill the increasing customized demands. Worldwide, FMSs are used in industries to attain high productivity in production environments with rapidly and continuously changing manufactured goods structures and demands. Reliability prediction plays a very significant role in system design in the manufacturing industry, and two crucial issues in the prediction of system reliability are failures of equipment and system configuration. This novel work presents a stochastic model to analyze the performance of an FMS through its reliability characteristics, in the concern of its equipment. To improve the reliability of FMS, determine the sensitivity of the reliability measures of FMS. FMS consists of many components such as machine tools like CNC, automatic handling and material storage, controller and robot for serving load. The designed system is studied by using the Markov process, supplementary variable technique, Laplace transformation, coverage factor and Gumbel–Hougaard family copula to obtain various reliability measures. For some realistic approach, particular cases and graphical illustrations are also obtained.

Comparison of Different Scenarios Using Computer Simulation to Improve the Manufacturing System Productivity: Case Study

2013 ◽  
Vol 845 ◽  
pp. 770-774 ◽  
Author(s):  
Seyed Mojib Zahraee ◽  
Milad Hatami ◽  
J.M. Rohani ◽  
H. Mihanzadeh ◽  
Mohammadreza Haghighi
Keyword(s):  
Computer Simulation ◽  
Production Line ◽  
Manufacturing Systems ◽  
Manufacturing Industry ◽  
Manufacturing System ◽  
Waiting Times ◽  
Manufacturing Companies ◽  
System Productivity ◽  
High Resource

In the manufacturing industry, managers and engineers are seeking to find methods in order to eliminate the common problems in manufacturing systems such as bottlenecks and waiting times. This is because that all of these kinds of problems impose extra cost to the companies. In addition, manufacturing companies are striving to sustain their competitiveness by improving productivity, efficiency and quality of manufacturing industry for instance high throughput and high resource utilization. The paper concentrates on the application of computer simulation to analysis manufacturing system in order to improve the productivity. Therefore, this study introduces a color manufacturing line as a case study and the basic application of arena 13.9 software. The goal of this paper is to improve the productivity and efficiency of the production line by using computer simulation. To achieve this goal, first the basic model of the current situation of production line was simulated. Second, three different alternatives were simulated and modified to find the best scenario based on the maximum productivity and minimum total cost.

Digital Factory: Simulation Enhancing Production and Engineering Process

2018 ◽  
Author(s):  
Angella Thomas ◽  
David A. Guerra-Zubiaga ◽  
John Cohran
Keyword(s):  
System Integration ◽  
Flexible Manufacturing ◽  
Manufacturing Systems ◽  
Manufacturing Industry ◽  
Manufacturing System ◽  
Flexible Manufacturing System ◽  
Engineering Process ◽  
Research Activity ◽  
Digital Twins ◽  
Enhancing Production

Manufacturing system integration is an important industrial and research activity to explore Next Generation Automated Systems (NGAS). Manufacturing systems has been incorporating flexible, reconfigurable, smart and intelligent features. Advances in technology and trends such Industry 4.0 will revolutionize the manufacturing industry tremendously. Important subjects in this direction are Digital Twins, Internet of Things, and Collaborative Robots among others, are integral to continue the progression to create smart and reliable manufacturing processes. This paper aims to implement a method applying these concepts in a Flexible Manufacturing System (FMS) by providing a broad view of NGAS.

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