titanium bar gr7

Three-dimensional titanium alloy wire in the electrolyte in electrochemical machining in the process of its formation of the passivation film will hinder the smooth progress of electrochemical machining, and with the three-dimensional titanium silk bare in the electrolyte, and will continue to produce new passivation membrane metal block anodic dissolution. So, electrolytic machining the applied titanium bar gr7 voltage U need to be able to steady breakdown passivation membrane, which formed in the metal surface of the anode electrochemical machining overpotential. For three-dimensional titanium alloy wire, electrochemical machining process is formed by local passivation membrane rupture pitting, superposition of pitting corrosion pit until then show matrix, the matrix metal melting and formed on the surface of alternate pitting corrosion and passivation process. Three-dimensional titanium alloy silk pitting relationship not only with electrochemical machining process smoothly, also affects the surface quality of produced parts, is electrochemical machining three-dimensional titanium wire and the key in the process of three-dimensional titanium alloy wire.

Electrochemical machining processing power, electrolyte solution and the main composition have corresponding liquid line and connected to the power supply is the cathode metal workpiece and tool cathode and equipped with wire. The whole system can form a complete closed circuit, makes the metal anode surface can produce enough to decomposition of matrix or passivation membrane voltage. At the titanium exhaust tubing start of the electrochemical machining, the tool cathode to a certain speed relative to the workpiece feeding movement, keep the anode and cathode gaps in the minimal distance, between the workpiece and the electrode through the electrolyte solution at the same time, makes the anode metal materials rapidly dissolve in the power under the action of electric field. Anode surface can eventually form similar to the tool cathode profile, so as to achieve the purpose of processing, and electrolytic product as the electrolyte flow discharge. In most cases, the electrolytic solution are used in the processing of neutral inorganic salt aqueous solution. Many characteristics nickel titanium wire of electrochemical machining is decided by artifacts, operating mode and related technologies.

In the Titanium 6Al4V wire process of electrochemical machining, three-dimensional titanium alloy wire itself since the passivation with strong sex, can inhibit the electrochemical machining with high dissolution rate. Three-dimensional titanium wire itself is a kind of very reactive metals, in the air, the three dimensional titanium wire can react with oxygen in the air, in situ generated a layer of oxide film, impedance further corrosion of metal. Three-dimensional metal titanium silk in the process of anodized in the aqueous solution, also can form the corresponding oxide film, and the thickness of the oxide film with the different anode potential Ea on a wide range change. In the process of electrochemical machining, three-dimensional titanium alloy, tool cathode and electrolyte titanium bar gr5 formed an electrochemical system, formed the three-dimensional titanium alloy/electrolyte interface and tool cathode/electrolyte interface. Under the condition of applied voltage, electrolyte of anion moving towards the direction of the 3 d wire titanium alloy material, while the three-dimensional titanium silk dissolved into Ti2 + dissolve in the electrolyte solution, and the hydrolysis of OH - reaction generated oxide titanium filler rod passivation layer.