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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

NEC NL6448BC26-27D

NEC NL6448BC26-27D
#NL6448BC26-27D NEC NL6448BC26-27D New NLT 8.4 inch LCM 640×480 500 1000:1 80/80/80/80 262K/16.7M WLED LVDS, NL6448BC26-27D pictures, NL6448BC26-27D price, #NL6448BC26-27D supplier
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Email: sales@shunlongwei.com

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Brand NEC 
Model NL6448BC26-27D  
Diagonal Size 8.4 inch 
Type a-Si TFT-LCD , LCM 
Pixel Format 640(RGB)×480  [VGA]  95PPI 
Configuration RGB Vertical Stripe
Active Area 170.88(H)×128.16(V) mm 
Outline Dim. 200(H)×152(V) ×8.7(D) mm
Bezel Area 174.0(H)×131.4(V) mm 
Treatment Antiglare, Hard coating (3H)
Luminance 500 cd/m² (Typ.) 
Contrast Ratio 1000:1 (Typ.) (TM)    
Response Time 3/15 (Typ.)(Tr/Td)
Viewing Angle 80/80/80/80 (Typ.)(CR≥10)  
Operating Mode TN, Normally White, Transmissive 
Support Color 262K/16.7M   40% NTSC
Light Source WLED  [3 strings] , 70K hours , W/O Driver
Weight 260/280g (Typ./Max.) 
Designed For Industrial
Frame Rate 60Hz   
Touch Panel Without
Interface Type LVDS (1 ch, 6/8-bit) 20 pins Connector
Power Supply 3.3V (Typ.) 
Environment Operating Temperature: -30 ~ 80 °C ; Storage Temperature: -30 ~ 80 °C ; Vibration Level: 2.0G (19.6 m/s²)
NL6448BC26-27D inverter, NL6448BC26-27D power supply, NL6448BC26-27D electronic board, NL6448BC26-27D VGA board, NL6448BC26-27D touchscreen available.

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