Cold Forging
Effect of Cold Forging and Static Recrystallization on Microstructure and Mechanical Property of Magnesium Alloy AZ31
... a cold forging and annealing technique on Mg alloy AZ31 and investigate the impact on microstructure evolution and mechanical ...the forging process followed by the ...the cold forging ...
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Development and Evaluation of Environmentally Friendly Cold-Forging Lubricants Based on an Emulsion Polymerization System
... In metal forming there are many different types of lubricants for the different types of processes that they are needed for. The lubricants fall into a few basic categories including mineral oils, emulsions, water based ...
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Flash-less Cold Forging of Cup-shaped Object and Stress Analysis of Forging Die using FEM Simulation and Experiment
... In this paper, computer- aided finite element analysis for flash-less cold forging of cup shaped article is presented. The work-piece specifications are calculated by developing mathematical relations ...
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1. Optimization of aa7075 autonomous underwater vehicle (auv) propeller front hub pre-form sizing for flash-less cold forging process – a fe study
... for cold working indicated the following ...Flash-less cold forging without under-fill process simulated using AFDEX, which provided useful results to obtain the better optimal pre-from ...minimum ...
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Analysis of Fatigue Crack Initiation and Propagation in Cold Forging Tools by Local Approach of Fracture
... (1) By describing the material damage that has the unilateral nature by use of the damage variable of the second rank symmetric tensor, the elastic-plastic-damage constitutive equation of the cold forging ...
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An alternative evaluation method for friction condition in cold forging by ring with boss compression test
... Ring compression test (RCT) is a very popular method used to quantitatively evaluate friction conditions at the tool–workpiece interface by measuring the variations of the inner diameter of the ring in metal forming. ...
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The Inspection of Spheroidized Annealing on SCM435 Cold Forging Quality Steel Wires with Protective Atmosphere
... A cold-forging quality steel rod is usually applied for manufacturing wire which is generally produced by drawing wire coil into wire, followed by spheroidized annealing treatment to achieve the necessary ...
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A tribo-testing method for high performance cold forging lubricants
... in cold forging as they reduce the high frictional forces occurring at the tool–workpiece ...for cold forging processes have been developed to ...
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Determination of friction coefficient in the lubricated ring upsetting with palm kernel oil for cold forging of aluminum alloys
... The growing of worldwide trend for promoting the use of the renewable material such as vegetable oil is due to the increasing concern about environmental damage that caused by the use of mineral oil which is not ...
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Numerical Simulation of Orbital Cold Forging of a Bevel Gear
... orbital forging process that the upper die axis is inclined from the major axis by some angle as shown in ...orbital cold forging process, the upper die continuously oscillates around the vertical ...
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Analysis of Interfacial Damage and Debonding Life Estimation of Cold Forging Tool Coated with Hard Film
... The mechanism considered above can be observed in the practical cold forging processes using tools coated with the hard film, particulary a punch. Debonding from the straight land of the punch can be often ...
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Cold Forging of Steel: Prerequisite Optimizations and Process Study
... performed: cold forging (a type of cold working), warm forging, or hot forging (a type of hot ...of cold and warm forging is the automobile ...processes, forging ...
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Systematic process selection for cold forging
... feasible cold forging methods for individual components that is extendable to other manufacturing ...different cold forging processes with different ...
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FEM Simulation and Experimental Validation of Cold Forging Behavior of LM6 Base Metal Matrix Composites
... Two types of cracks are seen in the forging of LM6 based composites. These are the speed cracks and the surface cracks. Friction at the interface between the die and the billet during axial compression results in ...
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An Integrated Approach to Lubricant Development in Cold Forging
... As seen from the plots lubricant 39 required a lower punch load indicating lower friction. The percentage reduction and other test parameters were kept constant for both lubricants. To summarize the case study, two ...
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Comparison study of multistep forging and injection forging of automobile fasteners
... Cold forging is one of the best-known manufacturing processes for fabricating ...that cold forging provides greater accuracy, better surface finish, lower consumption of material and ...
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Effect of Relief-hole Diameter on Die Elastic Deformation during Cold Precision Forging of Helical Gears
... the forging load is very high, which results in die elastic deformation and affects the forged helical gear dimensional accuracy during the cold forging of helical ...the forging load in order ...
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Prediction of Residual Stresses for a Hollow Product in Cold Radial Forging Process
... Radial forging was first developed in Austria in ...hot forging of small parts and cold forging of tubes over mandrels ...radial forging. Jang and Liou [7] also modelled radial ...
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Influence of the Milling Strategy on the Durability of Forging Tools
... or cold-forging using forging tools enables us to approach to the product using one or more ...the forging-tool is approximately a negative shape of the product although it is never completely ...
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STUDY OF VARIOUS FORGING PROCESSES WITH THEIR DEFECTS
... effective forging is studied and the remedial action that required for controlling the rejection rate due major forging ...defects. Forging is an experience oriented ...methods. Forging ...
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