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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

Mitsubishi CM300DY-24H

Mitsubishi CM300DY-24H
#CM300DY-24H Mitsubishi CM300DY-24H New Dual IGBTMOD™ H-Series Module 300 Amperes/1200 Volts, CM300DY-24H pictures, CM300DY-24H price, #CM300DY-24H supplier
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Email: [email protected]

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CM300DY-24H Description:
Powerex IGBTMOD™ Modules are designed for use in switching applications. Each module consists of two IGBT Transistors in a half-bridge configuration with each transistor having a reverseconnected super-fast recovery free-wheel diode. All components and interconnects are isolated from the heat sinking baseplate, 
offering simplified system assembly and thermal management.
Features:
. Low Drive Power
. Low VCE(sat)
. Discrete Super-Fast Recovery
  (135ns) Free-Wheel Diode
. High Frequency Operation
  (20-25kHz)
. Isolated Baseplate for Easy
  Heat Sinking
Applications:
. AC Motor Control
. Motion/Servo Control
. UPS
. Welding Power Supplies
. Laser Power Supplies
Ordering Information:
Example: Select the complete part module number you desire from the table below -i.e. CM300DY-24H is
a 1200V (VCES), 300 Ampere Dual IGBTMOD™ Power Module.
Junction Temperature Tj –40 to 150 °C
Storage Temperature Tstg –40 to 125 °C
Collector-Emitter Voltage (G-E SHORT) VCES 1200 Volts
Gate-Emitter Voltage VGES ±20 Volts
Collector Current IC 300 Amperes
Peak Collector Current ICM 600* Amperes
Diode Forward Current IF 300 Amperes
Diode Forward Surge Current IFM 600* Amperes
Power Dissipation Pd 2100 Watts
Max. Mounting Torque M6 Terminal Screws 26 in-lb
Max. Mounting Torque M6 Mounting Screws 26 in-lb
Module Weight (Typical) 500 Grams
V Isolation VRMS 2500 Volts


Dual IGBTMOD™ H-Series Module 300 Amperes/1200 Volts

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