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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

How Do Cnc Swiss Machines Work

How Do Cnc Swiss Machines Work Save 0 What Is Swiss Machine –The full name of the walking CNC lathe, it can also be called the spindle box mobile CNC automatic lathe, the economical turning and milling compound machine tool or the slitting lathe. It belongs to precision machining equipment, which can complete compound  machining such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch  machining of precision hardware and special-shaped shafts. This machine tool first originated in Germany and Switzerland. In the early stage, it was mainly used for precision machining of military equipment. With the continuous development and expansion of industrialization, due to the urgent needs of the market, it was gradually applied to the  machining of civilian products; the development of similar machine tools in Japan and South Korea Earlier than China, it was mainly used in the military industry in the early days. After the war, it was gradually

Spring Design Attention And Roll Forming Method

Spring Design Attention And Roll Forming Method The coiling characteristics and methods of springs are divided into cold coiling method and hot coiling method. Cold winding method: When the diameter of the spring wire is less than 8mm, the cold winding method is adopted. High-quality carbon spring steel wire is usually first cold drawn and then heat treated. After winding, it is generally not quenched, but only tempered at low temperature to eliminate the internal stress during winding. Hot-rolling method: Springs with larger diameter (>8mm) spring wire should use hot-rolling method. Hot rolled springs must be quenched and tempered at medium temperature. The Design Process Of Various Springs ·          Installation space: When designing a  compression spring , it is necessary to have a clear understanding of the space required for the installation of the spring, in order to effectively grasp the basic manufacturing conditions of the compression spring, including the outer diam

Mitsubishi CM25MD-24H

Mitsubishi CM25MD-24H
#CM25MD-24H Mitsubishi CM25MD-24H New 25A/1200V/PIM/7U AC & DC motor controls General purpose inverters Servo controls NC Robotics, CM25MD-24H pictures, CM25MD-24H price, #CM25MD-24H supplier

VCES Collector-emitter voltage G – E Short
VGES Gate-emitter voltage C – E Short
Collector Current TC = 25°C
 Emitter Current TC = 25°C
Maximum collector dissipation Tf = 25°C
Type = Igbt Module
Voltage = 1200V
Current = 25A
Circuit Configuration = 3-Phase Converter + Brake + Inverter
Recommended For Designs = 
Switching Loss Curves =
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 925-7272 CM25MD-24H CIB Module Three Phase Converter + Three Phase Inverter + Brake 25 Amperes/1200 Volts
Absolute Maximum Ratings, = 25°C unless otherwise specified
Characteristics Power Device Junction Temperature Storage Temperature Mounting Torque, M4 Mounting Screws Module Weight (Typical) Isolation Voltage, AC 1 minute, 60Hz Symbol Tj Tstg VRMS -40 to Units °C in-lb Grams Volts
Repetitive Peak Reverse Voltage Recommended AC Input Voltage DC Output Current Surge (Non-repetitive) Forward Current I2t for Fusing VRRM Ea IO IFSM I2t Volts Amperes A2s
Collector-Emitter Voltage (G-E Short) Gate-Emitter Voltage (C-E Short) Collector Current Collector Current (Pulse)* Emitter Current** Emitter Current** (Pulse)* Maximum Collector Dissipation VCES VGES IC ICM IE IEM PC Volts Amperes Watts
Collector-Emitter Voltage (G-E Short) Gate-Emitter Voltage (C-E Short) Collector Current Collector Current (Pulse)* Collector Dissipation Repetitive Peak Reverse Voltage (Clamp Diode Part) Forward Current (Clamp Diode Part)

25A/1200V/PIM/7U AC & DC motor controls General purpose inverters Servo controls NC Robotics

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