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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 PM400HSA120

Mitsubishi PM400HSA120
#PM400HSA120 Mitsubishi PM400HSA120 New Mitsubishi module 400A/1200V/IPM/1U, PM400HSA120 pictures, PM400HSA120 price, #PM400HSA120 supplier
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Email: sales@shunlongwei.com

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PM400HSA120 Description

Mitsubishi Intelligent Power Mod-ules are isolated base modules de-signed for power switching applica-tions operating at frequencies to20kHz. Built-in control circuits pro-vide optimum gate drive and pro-tection for the IGBT and free-wheeldiode power devices.
Features:
.Complete Output Power Circuit
.Gate Drive Circuit
.Protection Logic
– Short Circuit
– Over Current
– Over Temperature
– Under Voltage
Absolute Maximum Ratings, Tj = 25°C unless otherwise specified
Power Device Junction TemperatureTj-20 to 150°C
Storage TemperatureTstg-40 to 125°C
Case Operating TemperatureTC-20 to 100°C
Mounting Torque, M4 Mounting Screws—0.98 ~ 1.47N · m
Module Weight (Typical)—60Grams
Supply Voltage Protected by OC and SC (VD = 13.5 - 16.5V, Inverter Part) VCC(prot.)400Volts
Isolation Voltage (Main Terminal to Baseplate, AC 1 min.) Viso 2500Vrms
IGBT Inverter Sector

Collector-Emitter Voltage (VD = 15V, VCIN = 15V)VCES 600 Volts
Collector Current, (TC = 25°C) IC 10 Amperes
Peak Collector Current, (TC = 25°C) ICP 20 Amperes
Supply Voltage (Applied between P - N) VCC 450 Volts
Supply Voltage, Surge (Applied between P - N) VCC(surge) 500 Volts
Collector Dissipation PC 39 Watts
 

 


Mitsubishi module 400A/1200V/IPM/1U

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