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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

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

Fuji 2MBI200NB-120

Fuji 2MBI200NB-120
#2MBI200NB-120 Fuji 2MBI200NB-120 New 2-Pack IGBT: 200A/1200V 2 in one-package, 2MBI200NB-120 pictures, 2MBI200NB-120 price, #2MBI200NB-120 supplier
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Email: sales@shunlongwei.com

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2MBI200NB-120 Description

Features
• Square RBSOA
• Low Saturation Voltage
• Less Total Power Dissipation
• Improved FWD Characteristic
• Minimized Internal Stray Inductance
• Overcurrent Limiting Function (4~5 Times Rated Current)
Applications
• High Power Switching
• A.C. Motor Controls
• D.C. Motor Controls
• Uninterruptible Power Supply
Maximum ratings and characteristics 
.Absolute maximum ratings (Tc=25°C unless without specified)
Collector-Emitter voltage Vces:1200V
Gate-Emitter voltage VGES:±20V
Collector current Ic:200A
Collector current Icp:400A
Collector power dissipation Pc:1500W
Collector-Emitter voltage VCES:2500V
Operating junction temperature Tj:+150°C
Storage temperature Tstg :-40 to +125°C
Mounting screw torque 3.5 *1 N·m


2-Pack IGBT: 200A/1200V 2 in one-package

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