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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

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 stress,

LG LB070WV3-SD01

LG LB070WV3-SD01
#LB070WV3-SD01 LG LB070WV3-SD01 New LG Display 7inch LCM 800×480 470 900:1 70/70/30/40 262K WLED TTL, LB070WV3-SD01 pictures, LB070WV3-SD01 price, #LB070WV3-SD01 supplier

Brand LG Display
Diagonal Size 7.0 inch
Pixel Format 800(RGB)×480  [WVGA]  133PPI
Active Area 152.4(H)×91.44(V) mm
Bezel Area 155.8(H)×94.8(V) mm
Luminance 470 cd/m² (Typ.)
Viewing Angle 70/70/30/40 (Typ.)(CR≥10) 
Support Color 262K   60% NTSC
Weight 325/375g (Typ./Max.)
Frame Rate 60Hz  
Model LB070WV3-SD01  
Type a-Si TFT-LCD , LCM 
Configuration RGB Vertical Stripe
Outline Dim. 170(H)×109.6(V) ×29.4(D) mm
Treatment Antiglare, Antireflection
Contrast Ratio 900:1 (Typ.) (TM)    
Response Time 15/14 (Typ.)(Tr/Td)
Operating Mode IPS, Normally Black, Transmissive 
Light Source WLED  [8S3P] , 20K hours , W/O Driver
Designed For Automotive Display
Touch Panel Without
LB070WV3-SD01 inverter, LB070WV3-SD01 power supply, LB070WV3-SD01 electronic board, LB070WV3-SD01 VGA board, LB070WV3-SD01 touchscreen available.

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