نتایج جستجو برای: initial blank design

تعداد نتایج: 1298067  

2012
Stephen C. Thompson

Underwater acoustic transducers often include a stack of thickness polarized piezoelectric material pieces of alternating polarity interspersed with electrodes, bonded together and electrically connected in parallel. The stack is normally much shorter than a quarter wavelength at the fundamental resonance frequency, so that the mechanical behavior of the transducer is not affected by the segmen...

1996
David Jonathan King

Functional languages are renowned for their mathematical tractability, clarity of expression, abstraction powers, and more. There are problem domains, however, that still present real challenges to functional languages. One notoriously difficult problem domain is graph algorithms. Graph algorithms have been studied for a long time with conventional von Neumann languages. The emphasis has primar...

2003
Anirban Roy Aditi SenDe Ujjwal Sen

We show that using a fixed cloning machine, whether deterministic inexact or probabilistic exact, one can take an arbitrary blank state. Quantum information cannot be cloned. There cannot exist a machine which can produce two (or more) exact copies of an arbitrary state in a deterministic manner [1]. Replication is not allowed even when the input state is taken at random from a given set of two...

Journal: :international journal of advanced design and manufacturing technology 0
najmeddin arab islamic azad university, saveh branch

there are mainly two methods of deep drawing analysis; experimental and analytical/numerical. experimental analysis can be useful in analyzing the process to determine the process parameters that produce a defect free product, and the analytical/numerical modeling can be used to model and analyze the process through all stages of deformation. this approach is less time consuming and more econom...

2005

The deep drawing is a process for shaping flat sheets into cup-shaped articles without failure or excessive localized thinning. The design and control of a deep drawing process depends not only on the material, but also on the condition of the tool material interface, the mechanics of plastic deformation, the equipment used, and the control of metal flow. The equipment and tooling parameters th...

Journal: :journal of modern processes in manufacturing and production 2013
ali abedi bozarjomehr ghasemi moradi moradi

a new method for increasing ldr in deep drawing is application of anti-lock braking system (abs) on blank holder. in this method, instead of applying a constant force on blank and control the metal flow, the abs system holds and releases the blank several times (20 to 50 times) which results increasing ldr. this study investigates the effect of different parameters of abs on improving the condi...

2009
Abed Alaswad Abdul Ghani Olabi

Tube hydroforming is one type of unconventional metal forming process in which high fluid pressure and axial feed are used to deform a tube blank in the desired shape. Bi-layered tube hydroforming is suitable to produce bi-layered joints which can be used in special applications such as aerospace, oil production, and nuclear power plants. In this work a finite element study was performed using ...

Journal: :iranian journal of pharmaceutical research 0
morahem ashengroph department of biology and biotechnology, faculty of sciences, university of kurdistan, p.o. box 416, sanandaj, ir iran. iraj nahvi department of microbiology, school of biology, university college of science, university of isfahan, isfahan, ir iran. jahanshir amini department of plant protection, faculty of agriculture, university of kurdistan, p.o. box 416, sanandaj, ir iran.

for all industrial processes, modelling, optimisation and control are the keys to enhance productivity and ensure product quality. in the current study, the optimization of process parameters for improving the conversion of isoeugenol to vanillin by psychrobacter sp. csw4 was investigated by means of taguchi approach and box-behnken statistical design under resting cell conditions. taguchi desi...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 2010

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