A HIERARCHICAL MACHINE DESIGN SYSTEM HIMADES-1 BASED ON THE STRUCTURE MODEL FOR MACHINE

CAD84 ◽  
1984 ◽  
pp. 193-207
Author(s):  
K. Kitajima ◽  
H. Yoshikawa
Keyword(s):  
Machine Design ◽  
Design System ◽  
Structure Model

A hierarchical machine design system Himades-1

1984 ◽  
Vol 16 (2) ◽  
pp. 105
Author(s):  
K. Kitajima ◽  
H. Yoshikawa
Keyword(s):  
Machine Design ◽  
Design System

scholarly journals AI and the Future of the Machine Design

2017 ◽  
Vol 139 (10) ◽  
pp. 38-43 ◽  
Author(s):  
Ahmed K. Noor
Keyword(s):  
Mixed Reality ◽  
Technical Aspect ◽  
Machine Design ◽  
Design System ◽  
Self Healing ◽  
Cognitive Computing ◽  
Slide Rule ◽  
Human Engineer ◽  
Advanced Robotics

This article discusses advantages of artificially intelligent (AI) systems and future of machine design. Advances in AI, combined synergistically with other technologies such as cognitive computing, Internet of Things, 3D (or even 4D) printing, advanced robotics, virtual and mixed reality, and human–machine interfaces are transforming what, where, and how products are designed, manufactured, assembled, distributed, serviced, and upgraded. The research and related activities may ultimately result in the development of self-repairing, self-healing, self-adaptive, self-reconfiguring systems—and products that ‘operationally improve’ themselves. Instead of depreciating in value and capability, such products could improve over time. In time, the role of the human engineer may be that of a director rather than of a producer. Much of the technical aspect of engineering will be moved to the machine-based design system, just as one need not be able to operate a slide rule or complete an isometric drawing to be a successful engineer today.

Improving Availability of Hypercompressors

2002 ◽  
Author(s):  
E. Giacomelli ◽  
S. Pratesi ◽  
R. Fani ◽  
L. Gimignani
Keyword(s):  
Simulation Modeling ◽  
High Availability ◽  
Machine Design ◽  
Design System ◽  
Diagnostic Systems ◽  
Performance Requirements ◽  
Innovative Methods ◽  
Operation And Maintenance ◽  
Plant Exploitation ◽  
And Performance

Always growing capacities and performance requirements, renew the continuous challenge for designers. Plant feedback and Service engineering tremendously improve safety, reliability, availability, and maintainability of the machines, with operating economical benefits. A suitable machine design, system engineering, operation and maintenance critically affect a successful plant exploitation. Innovative methods of simulation, modeling, technologies, diagnostic systems with the use of special features, optimize maintenance and improve efficiency, allowing to reach high availability factors.

Incorporating Fixed-Point and -Line Constraints and Tolerance Based Synthesis in 4MDS

2015 ◽  
Author(s):  
Anurag Purwar ◽  
Saurabh Bhapkar ◽  
Q. J. Ge
Keyword(s):  
Theoretical Foundation ◽  
Geometric Constraints ◽  
Machine Design ◽  
Design Stage ◽  
Design System ◽  
Motion Synthesis ◽  
Kinematic Mapping ◽  
Line Tangent ◽  
Fixed Line ◽  
Best Fit

This paper presents implementation of fixed-pivots, ground-link line, and tolerance based motion synthesis in the 4MDS (Four-Bar Motion Design System). This is a continuation of the first work reported on 4MDS, which provides an interactive, graphical, and geometric constraint based mechanism design system for the exact- and approximate-motion synthesis problems. Theoretical foundation of the 4MDS is laid over a kinematic mapping based unified formulation of the geometric constraints (circle, fixed-line, line-tangent-to-a-circle) associated with the mechanical dyads (RR, PR, and RP) of a planar four-bar mechanism. An efficient algorithm extracts the geometric constraints of a given motion task and determines the best dyad types as well as their dimensions that best fit to the motion. Often, Mechanism designers need to impose additional geometric constraints, such as specification of location of fixed pivots or ground-link line. If synthesized mechanism suffers from branch, circuit, or order defect, they may also desire rectified solutions by allowing a tolerance to certain or all task positions. Such functions are crucial to a practitioner and much needed during the conceptual design stage of machine design process.

scholarly journals КІНЕТОСТАТИЧНЕ ДОСЛІДЖЕННЯ ШАРНІРНИХ ПРОСТОРОВИХ МЕХАНІЗМІВ ГАЛТУВАЛЬНИХ МАШИН (ЧАСТИНА 1: ДОСЛІДЖЕННЯ МЕХАНІЗМУ З ДОДАТКОВОЮ РУХОМОЮ ЛАНКОЮ – КОРОМИСЛОМ)

2021 ◽  
Vol 154 (1) ◽  
pp. 9-18
Author(s):  
М. Г. Залюбовський ◽  
І. В. Панасюк ◽  
В. В. Малишев ◽  
В. В. Скідан
Keyword(s):  
3D Modeling ◽  
Computer Aided Design ◽  
Machine Design ◽  
Design System ◽  
Working Capacity ◽  
Connecting Rod ◽  
Spatial Mechanism ◽  
Spatial Movement ◽  
Aided Design ◽  
Center Distance

Kinetostatic  study  of  a  statically  determined  hinged  spatial  mechanism  without  redundant (passive) connection with an additional movable link – a rocker arm of a machine for processing parts, in which the working container performs complex spatial movement.  Methodology.  The  essence  of  the  kinetostatic  research  was  to  determine  the  radial  and  axial components of the reactions in all rotational kinematic pairs of the hinged statically defined spatial mechanism of  the  machine  for  processing  parts,  when  it  is  idling.  The  kinetostatic  study  was  implemented  using  the SolidWorks 2016 computer-aided design system with preliminary 3D modeling of this machine design with an additional moving link – a rocker.  Results. In the course of the kinetostatic study, 3D modeling of a machine with an additional movable link – a rocker arm in the SolidWorks 2016 computer-aided design system was carried out, the maximum values of the radial and axial components of reactions in all rotational kinematic pairs of the machine for processing parts were determined, the effect of changing the center distance of the intermediate connecting rod (working capacity ) on the increase in the maximum values of the reactions in all rotational kinematic pairs.  Scientific novelty. The relationship between the center distance of the intermediate connecting rod (working capacity) and the change in the maximum values of the reactions in all rotational kinematic pairs of the machine for processing parts is determined. As a result, it becomes possible to determine the maximum permissible center distance of the intermediate connecting rod to ensure the durable operation of the machine.  Practical significance. It is determined that the nature of the change in the maximum values of the radial  and  axial  components  of the  reactions  in  each  rotational  kinematic  pair  of  the  spatial  mechanism depends  on  the  value  of  the  coefficient  characterizing  the  ratio  of  the  center-to-center  length  of  the intermediate  connecting  rod  (working  capacity)  to  the  center-to-center  length  of  the  driving  or  driven connecting rods of the machine. The range of variation of this coefficient has been determined, within which it is rational to design this machine design. The results obtained can be used in the corresponding design bureaus of machine-building enterprises at the stage of designing tumbling equipment with a complex spatial movement of working containers.

Research on Virtual Prototype Reality Design of Numerical Control Machine for Users

2012 ◽  
Vol 224 ◽  
pp. 450-454
Author(s):  
Dong Fang Hu ◽  
Qing Miao
Keyword(s):  
Product Development ◽  
Design Process ◽  
Virtual Prototype ◽  
Numerical Control ◽  
System Structure ◽  
Design System ◽  
System Support ◽  
Structure Model ◽  
Current Product ◽  
Control Machine

Based on the principle of virtual prototype reality design and combined with the desired improvement of the user individuation in current product development. The system structure model of virtual prototype reality design of numerical control machine for Users is proposed. The main contents of the virtual prototype reality design system support environment in this model are discussed. The key technique of design process realization is provided.

Research of 3D Parametric Design System of Gear Based on SolidWorks

2012 ◽  
Vol 472-475 ◽  
pp. 2270-2273
Author(s):  
Xiao Hua Li ◽  
Hong Bin Niu
Keyword(s):  
Parametric Design ◽  
Automatic Generation ◽  
Parametric Model ◽  
Machine Design ◽  
Design System ◽  
Gear Design ◽  
General Flow ◽  
Use For Reference ◽  
Modern Machine ◽  
Design Techniques

General flow of 3D parametric design was put forward according to the characters of gear design in this study. There are three key modules, which include parameters designing calculation of gear, automatic generation of 3D parametric model of gear and automatic generation of gear part drawing, and corresponding solutions were also provided. In final an example verifies the feasibility of the method. 3D parametric design system is one of efficient and reliable modern machine design techniques. The efficiency of gear designing can be greatly enhanced by adopting 3D parametric design system, and meet the needs of modern machine design. In addition, this study gives a use for reference to 3D parametric design system for other parts.

scholarly journals Development of a Low-Cost, Rapid-Cycle Hot Embossing System for Microscale Parts

2008 ◽  
Author(s):  
Melinda Hale ◽  
David E. Hardt
Keyword(s):  
Cycle Time ◽  
Large Scale ◽  
Low Cost ◽  
Polymeric Materials ◽  
Hot Embossing ◽  
Capital Cost ◽  
Machine Design ◽  
Electrical Heating ◽  
Design System ◽  
Wide Range

Hot embossing is an effective technology for reproducing micro-scale features in polymeric materials, especially micron scale patterning. The equipment used for hot embossing to date is often research oriented, (intended to be flexible and provide a wide range of processing conditions), and a dedicated equipment industry has yet to develop. This paper details a hot embossing machine design strategy suitable for large-scale manufacturing. The design is motivated by capital cost reduction, right-size machine design, system simplicity, and production flexibility and scalability. Toward this end, a minimal number of components were used, commercially available off-the-shelf components were chosen where possible, system layout was designed to be modular, and system size was scaled for the intended products (in this case microfluidic devices). Innovative design aspects include the use of new ceramic substrate heaters for electrical heating, choice of a moveable heat sink to minimize heat load during the heating cycle, and the careful design of the thermal elements to minimize cycle time. The capital cost and the cost per part produced with this machine are estimated to be an order of magnitude less than currently available options. This design has a minimum cycle time of two minutes, and replicates microstructures within a 25mm by 75mm area.

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