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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 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...

Introduction of KOVAR parts

KOVAR parts are commonly used as metal casing materials in the electronic packaging industry. Because they have a linear expansion coefficient close to that of molybdenum group glass, and can produce less sealing stress during the sealing (melting) process with molybdenum group glass, so To obtain good air-tightness, in order to make the metal tube and shell to achieve air-tight sealing, in the entire sealing process, the annealing process undoubtedly plays an important role as a link between the previous and the next. The internal stress generated during KOVAR  machining also prepares the material structure for the implementation of the subsequent process-the sealing process of the metal parts. The main purpose of annealing Kovar shell before sealing is to: (1) Eliminate machining stress. When Kovar undergoes plastic machining deformation during cold working, about 10% to 15% of the applied energy is converted into internal energy, which is commonly referred to as internal stre...

Mitsubishi PM600DVA060

Mitsubishi PM600DVA060
#PM600DVA060 Mitsubishi PM600DVA060 New AC Motor Controller 1200A Hybrid POWER MODULE-13, PM600DVA060 pictures, PM600DVA060 price, #PM600DVA060 supplier
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Email: [email protected]

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Manufacturer Part Number: PM600DVA060
Rohs Code: Yes
Part Life Cycle Code: Obsolete
Ihs Manufacturer: POWEREX INC
Part Package Code: MODULE
Package Description: , MODULE,10LEAD,4.7
Pin Count: 13
ECCN Code: EAR99
HTS Code: 8542.39.00.01
Manufacturer: Powerex Power Semiconductors
Analog IC - Other Type: AC MOTOR CONTROLLER
JESD-30 Code: R-XXMA-X13
Number of Functions: 1
Number of Terminals: 13
Output Current-Max: 1200 A
Package Body Material: UNSPECIFIED
Package Equivalence Code: MODULE,10LEAD,4.7
Package Shape: RECTANGULAR
Package Style: MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Cel): NOT SPECIFIED
Power Supplies: 15 V
Qualification Status: Not Qualified
Subcategory: Motion Control Electronics
Supply Current-Max (Isup): 30 mA
Supply Voltage-Max (Vsup): 16.5 V
Supply Voltage-Min (Vsup): 13.5 V
Supply Voltage-Nom (Vsup): 15 V
Surface Mount: NO
Technology: HYBRID
Terminal Form: UNSPECIFIED
Terminal Position: UNSPECIFIED
Time
AC Motor Controller 1200A Hybrid POWER MODULE-13

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