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Working principle of slow wire processing

 Slow wire walking, also called low-speed wire walking, is a kind of CNC machining machine tool that uses continuously moving fine metal wire as an electrode to pulse spark discharge on the workpiece to generate a high temperature of over 6000 degrees, ablate metal and cut into a workpiece. The principle of wire processing is the phenomenon that there is a gap between the wire electrode and the workpiece, and the metal is removed by continuous discharge. Since the slow-moving wire cutting machine adopts the method of wire electrode continuous feeding, that is, the wire electrode is processed during the movement, so even if the wire electrode is worn out, it can be continuously supplemented, so it can improve the machining accuracy of the parts and slow the wire. The surface roughness of the workpiece processed by the cutting machine can usually reach Ra=0.8μm and above, and the roundness error, linear error and dimensional error of the slow-moving wire cutting machine are much better t

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form of numbers and lette

Elimination of Gear Backlash in CNC Machining Feed System

Elimination of Gear Backlash in CNC Machining Feed System   The transmission gear in the feed system of the CNC machining machine tool must eliminate the transmission gap between the meshing gears as much as possible, otherwise the motion will lag behind the command signal after each reversal of the feed system, which will affect the machining accuracy (accuracy) ). There are the following two common methods for CNC machining machine tools to eliminate the transmission gear gap.   1. Rigidity adjustment method   The rigid adjustment method is an adjustment method that cannot be automatically compensated for the tooth side clearance after adjustment. Therefore, the pitch tolerance and tooth thickness of the gear must be strictly controlled, otherwise the flexibility of the transmission will be affected. This adjustment method has a relatively simple structure and a better transmission rigidity.   (1) Eccentric shaft adjustment method   As shown in Figure 610, the gear 1 is mounted on th

Titanium and Titanium Alloy Models, Characteristics and Applications

It is a heat treated reinforced titanium alloy that has good weldability in sheet formability and forging properties. Used in the manufacture of jet engine compressor blades, impellers, etc. Landing gear wheels and structural parts, fasteners, brackets, aircraft accessories, frames, pulse trip structures and pipes are widely used.

Forging has good crack resistance, good formability, good weldability and no heat treatment. Used for gearbox housings, jet engine housings and vane covers, plumbing, etc.

Heat-treated titanium alloy Ti-8Al-1Mo-1V
Formability and crack resistance during forging are acceptable. The weldability is good, but the heat treatment cannot be strengthened. Manufacture of jet engine blades, impellers and housings, gyroscope guide vane covers, nozzles, inner casings and frames.

Heat-treated and reinforced titanium alloys have good crack resistance during the forging process, but poor weldability. Used in the manufacture of fasteners, control air inlet guides, and test structures.

It is a heat-treatable titanium alloy having good moldability. It has some crack resistance and good weldability during forging. It can be used as a structural forging. Board parts Strap construction, skins, frames, brackets, aircraft accessories, fasteners.

It is a heat treatable and reinforced titanium alloy and has good crack resistance during forging. Used in the manufacture of jet engine blades, impellers, landing gear wheels, aircraft frames, fasteners, etc.

There is no good weldability, good crack resistance during forging, and heat resistance. Used in the manufacture of compressor blades, impellers, landing gear wheels, spacer compressor chassis components, aircraft frames, skin components and more.

This is a heat-treatable titanium alloy with good forgeability and moldability.
Used to create skeleton components for aircraft.


IMI125, IMI130, IMI160
Pure industrial titanium has excellent corrosion resistance, high specific strength, good fatigue limit, good forging properties, and can be forged, molded and welded in the usual way. It can be a plate, bar or wire. Used in aerospace, medicine, chemistry, etc., such as exhaust pipes, firewalls, heated skins, parts that require good plasticity and corrosion resistance.

It belongs to the α-type titanium alloy and can be welded. It has excellent oxidation resistance, strength, and high temperature stability at 315 to 593 ° C. It can manufacture forgings and sheet metal parts (aero engine compressor blades, housings, brackets, etc.).

This is an alpha + beta titanium alloy that can be thermally enhanced for use in compressor discs, blades and missile components of aerospace engines.

The α + β alloy has good forging and comprehensive properties and is a commonly used titanium alloy for compressor plates and blades of aircraft engines in various countries.

Widely used in the manufacture of engine and wing slips, power control casings, etc. α + β titanium alloy, good room temperature strength, high creep resistance (less than 400 ° C), high durability.

α + β type titanium alloy belongs to high strength titanium alloy. It has high strength and high creep limit (less than 400 ° C). Good forging properties for the manufacture of aircraft parts such as landing gear, brackets, gas turbine parts, general engineering and chemistry, turbine blades, compressor parts and other high speed rotating parts.

An α + β type titanium alloy with high specific strength at room temperature and medium temperature. It has creep resistance, good high temperature stability, weldability, ease of processing, and high operating temperature at high temperature (520 ° C).
Used in the manufacture of aircraft engine parts.

An α + β type titanium alloy with good weldability and creep resistance (less than 535 ° C) and excellent thermal stability. This alloy is similar in performance to IMI685 and has the same uses. Used in the manufacture of high pressure compressor discs and blades.
It is mainly used in the manufacture of gas turbine engines and aircraft missile structures.

In the hardened state, it has weldability and moldability, and is used at 350 ° C or lower.

Jet engine blades and discs can be soldered

Manufacture of gas turbine discs, fan blades and structural components for aircraft and missiles.

Used for manufacturing frames and honeycomb structures below 250 ° C.

The weldable high-strength titanium alloy has good creep resistance at 520 ° C.

Used in the manufacture of jet engine parts (blades, discs, etc.).

This alloy has high strength below 400 ° C and creep resistance.

Acceptable solderability, medium strength.

Its plasticity, weldability and high temperature strength are similar to those of pure industrial titanium and can be used with parts and temperatures up to 350 ° C.

The low density and high modulus used in the manufacture of compressor discs and blades below 450 ° C are important materials for the aerospace industry.
Used in the manufacture of aero engine rotors and blades below 450 ° C.

This alloy has high strength, good creep resistance and is weldable.
For long-term operating parts of 500 ° C or less, such as aero engine compressor parts.

Good overall performance of high stress machine parts at operating temperatures below 350 ° C.

It is a high-strength titanium alloy capable of forging heat treatment with good forging characteristics.

It is used in the manufacture of aircraft engine parts such as compressor disks and blades at temperatures below 400 ° C.

This alloy has high strength and hardenability. It is used to keep aircraft frames and missile forgings below 427 ° C.

It is a heat-treatable titanium alloy with excellent formability and can be used in the manufacture of aircraft frames, skins, honeycomb structures, pressure vessels and high-strength fasteners.

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