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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

NEC NL10276BC30-18L

NEC NL10276BC30-18L
#NL10276BC30-18L NEC NL10276BC30-18L New NL10276BC30-18L NLT 15.0 inch Panel 1024×768 500:1 16.7M CCFL LVDS , NL10276BC30-18L pictures, NL10276BC30-18L price, #NL10276BC30-18L supplier
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Email: sales@shunlongwei.com

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Panel Brand : NEC NL10276BC30-18L
Panel Model : NL10276BC30-18L
Panel Type : a-Si TFT-LCD , Panel 
Panel Size : 15.0 inch
Resolution : 1024(RGB)×768 , XGA 
Display Mode : TN, Normally White, Transmissive 
Active Area : 304.128×228.096 mm
Outline : 326.5×253.5×17 mm
Surface : Antiglare, Hard coating (3H) 
Brightness : 270 cd/m² (Typ.) 
Contrast Ratio : 500:1 (Typ.)  
Display Colors : 16.7M   (6-bit + Hi-FRC) , CIE1931 40%  
Response Time : 4/14 (Typ.)(Tr/Td) 
Viewing Angle : 80/80/80/60 (Typ.)(CR≥10) (L/R/U/D) 
Frequency : 60Hz  
Lamp Type : 2 pcs CCFL        Without Driver
Signal Interface : LVDS (1 ch, 8-bit) , 20 pins  
Input Voltage : 3.3V (Typ.) 
 
NL10276BC30-18L inverter, NL10276BC30-18L power supply, NL10276BC30-18L electronic board, NL10276BC30-18L VGA board, NL10276BC30-18L touchscreen available.

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