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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

Elimination of Gear Backlash in CNC Machining Feed System

Elimination of Gear Backlash in CNC Machining Feed System   The transmission gear in the feed system of the CNC machining machine tool must eliminate the transmission gap between the meshing gears as much as possible, otherwise the motion will lag behind the command signal after each reversal of the feed system, which will affect the machining accuracy (accuracy) ). There are the following two common methods for CNC machining machine tools to eliminate the transmission gear gap.   1. Rigidity adjustment method   The rigid adjustment method is an adjustment method that cannot be automatically compensated for the tooth side clearance after adjustment. Therefore, the pitch tolerance and tooth thickness of the gear must be strictly controlled, otherwise the flexibility of the transmission will be affected. This adjustment method has a relatively simple structure and a better transmission rigidity.   (1) Eccentric shaft adjustment method   As shown in Figure 610, the gear 1 is mounted on th

MITSUBISHI PS11032

MITSUBISHI PS11032
#PS11032 MITSUBISHI PS11032 New PS11034 FLAT-base TYPE INSULATED TYPE 450V-500V/4A-8ADC 10A, PS11032 pictures, PS11032 price, #PS11032 supplier
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Email: sales@shunlongwei.com

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INTEGRATED FUNCTIONS AND FEATURES
Converter bridge for 3 phase AC-to-DC power conversion.
• 3 phase IGBT inverter bridge configured by the latest 3rd.
generation IGBT and diode technology.
• Inverter output current capability IO (Note 1):
(Note 1) : The inverter output current is assumed to be sinusoidal and the peak current value of each of the above loading cases is defined as : IOP = IO × √2, TC < 100°C
INTEGRATED DRIVE, PROTECTION AND SYSTEM CONTROL FUNCTIONS:
• P-Side IGBTs : Drive circuit, high-level-shift circuit, bootstrap circuit supply scheme for Single Control-Power-Source drive, and under voltage (UV) protection.
• N-Side IGBTs : Drive circuit, DC-Link current sense and amplifier circuits for overcurrent protection, control-supply under-voltage
protection (UV), and fault output (FO) signaling circuit.
• Fault Output : N-side IGBT short circuit (SC), over-current (OC), and control supply under-voltage (UV).
• Inverter Analog Current Sense : N-Side IGBT DC-Link Current Sense.
• Input Interface : 5V CMOS/TTL compatible, Schmitt Trigger input, and Arm-Shoot-Through interlock protective function.
Supply voltage VCC 450V
Supply voltage (surge) VCC(surge) 500V
Each IGBT collector current ±Ic(±Icp) ±4 (±8) A
Repetitive peak reverse voltage VRRM 800V
Recommended AC input voltage Ea 220 Vrms
DC output current IO 10A
Surge (non-repetitive) forward current IFSM 100A
Supply voltage VD, VDB –0.5 ~ 20V
Input signal voltage VCIN –0.5 ~ +7.5 V
Fault output current IFO 15mA


PS11034 FLAT-base TYPE INSULATED TYPE 450V-500V/4A-8ADC 10A

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