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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

Classification of CNC Machining Occupation Levels

1. Blue-collar layer:   That is, CNC machining operation technicians, proficient in machining and CNC machining process knowledge, proficient in the operation and manual programming of CNC machine tools (attributes: automated machine tools), understand automatic programming and simple maintenance of CNC machine tools (attributes: automated machine tools), such There is a large market demand for personnel, and they are suitable for operating workers of CNC machine tools (attributes: automated machine tools) in the workshop, but due to their single knowledge, their wages will not be much higher.   2. Gray collar layer:   One, CNC machining programmer:   Master the knowledge of 5 Axis CNC machining Aluminum   technology and the operation of CNC machine tools (attributes: automated machine tools), be familiar with the design and manufacturing expertise of complex molds (title: mother of industry), and be proficient in 3D CAD/CAM software, such as UG, GOOGLE PRO/E, etc. ; Familiar with CNC

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

Toshiba MG50Q2YS40

Toshiba MG50Q2YS40
#MG50Q2YS40 Toshiba MG50Q2YS40 New IGBT: 50A,1200V, MG50Q2YS40 pictures, MG50Q2YS40 price, #MG50Q2YS40 supplier
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Email: sales@shunlongwei.com

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MG50Q2YS40 Description

High Power Switching Applications.
Motor Control Applications.
. High input impedance
. High speed: tf = 0.5µs (max.)
                      trr = 0.5µs (max.)
. Low saturation voltage : VCE(sat) = 4.0V (max.)
. Enhancement−mode
.Includes a complete half bridge in one package.
.The electrodes are isolated from case. 
Collector emitter voltage VCES 1200 V
Gate emitter voltage VGES ±20 V
Collector current DC IC 50 A
Collector current 1ms ICP 100 A
Forward current DC IF 50 A
Forward current 1ms IFM 100 A
Collector power dissipation (Tc = 25°C) PC 400 W
Junction temperature Tj 150 °C
Storage temperature range Tstg-40~125 °C
Isolation voltage VIsol 2500 (AC 1 minute) V
Screw torque (terminal / mounting) 3 / 3 N・m

 

MG50Q2YS40 has unique and exceptional features that make it an advanced power module. Weighing at 0.45 lbs., it has a collector emitter voltage of 1200 and a collector current of 50 amperes. It has both shape and design suitable for highly demanding applications.
MG50Q2YS40 aims for high efficiency, reliability and cost-effectiveness. With a very low reverse recovery time, it is guaranteed to prevent switching responses. High temperature is also not a problem with this device. Even with a temperature as high as 150 0C, rest assured that it will still remain intact because of its excellent module construction.
MG50Q2YS40 has over current limiting function that’s three times better than the usual rated current. By minimizing internal stray inductance, its efficiency rate is further enhanced. With amazing performance and high reliability, you’re ensured of your worthy investment.


IGBT: 50A,1200V

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