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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 bett...

What errors may occur during CNC machining and CNC machining​?

 CNC machining and numerical control machining are a method to control the movement of machine tools and the production process of machining through computer digitization and information digitization. It is an intelligent numerical control device developed as an economical, high-speed, reliable, multi-functional, intelligent, and open structure. CNC machining is also an important indicator that can measure the continuous level and comprehensive ability of a safety technology, as well as the degree of modernization of related science and technology capabilities, especially in aviation, biology, medical and other high-tech cultural industries, and it is also a powerful indicator. reflect. So, what errors may occur during CNC machining and CNC machining? Let us understand together:   The use of approximate machining motion or approximate tool contours causes errors in the CNC principle of machining. The reason why it is called machining principle error is because of the error in machi...

What are the rules for metal stamping die scrap tube?

The Purpose Standardize the management of the scrapping of the company's metal stamping dies, prevent the loss of company assets, and formulate this system specially. Scope of application It is suitable for the management of the company's scrap molds. Definition If the molds listed in the assets of the company fall under one of the following circumstances, the use management department may apply for scrapping. 1. Molds that exceed the specified service life. 2. The mold is severely damaged by accidents or accidents, and molds that cannot be repaired or have no repair value. 3. Metal stamping dies that have not reached the service life, but due to safety, quality, efficiency and other issues, the repair still fails to meet the minimum requirements of the customer's product process or affects the production safety and efficiency. 4. Product customers have stopped placing orders or have not placed orders for molds in several years. 4. Responsibilities 1. Responsibilities of th...

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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