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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

Classification of CNC Machining Occupation Levels

1. Blue-collar layer:   That is, CNC machining operation technicians, proficient in machining and CNC machining process knowledge, proficient in the operation and manual programming of CNC machine tools (attributes: automated machine tools), understand automatic programming and simple maintenance of CNC machine tools (attributes: automated machine tools), such There is a large market demand for personnel, and they are suitable for operating workers of CNC machine tools (attributes: automated machine tools) in the workshop, but due to their single knowledge, their wages will not be much higher.   2. Gray collar layer:   One, CNC machining programmer:   Master the knowledge of 5 Axis CNC machining Aluminum   technology and the operation of CNC machine tools (attributes: automated machine tools), be familiar with the design and manufacturing expertise of complex molds (title: mother of industry), and be proficient in 3D CAD/CAM software, such as UG, GOOGLE PRO/E, etc. ; Familiar with CNC


#STM32F103CBT6 ST STM32F103CBT6 New Mainstream Performance line ARM Cortex-M3 MCU with 128 Kbytes Flash 72 MHz CPU motor control USB and CAN, STM32F103CBT6 pictures, STM32F103CBT6 price, #STM32F103CBT6 supplier

Manufacturer Part Number: STM32F103CBT6
Brand Name: STMicroelectronics
Part Life Cycle Code: Active
Part Package Code: QFP
Package Description: LFQFP, QFP48,.35SQ,20
Pin Count: 48
ECCN Code: 3A991.A.2
HTS Code: 8542.31.00.01
Manufacturer: STMicroelectronics
Risk Rank: 0.62
Bit Size: 32
Clock Frequency-Max: 16 MHz
DAC Channels: NO
DMA Channels: YES
JESD-30 Code: S-PQFP-G48
JESD-609 Code: e4
Length: 7 mm
Moisture Sensitivity Level: 2
Number of I/O Lines: 37
Number of Terminals: 48
On Chip Program ROM Width: 8
Operating Temperature-Max: 105 °C
Operating Temperature-Min: -40 °C
PWM Channels: YES
Package Body Material: PLASTIC/EPOXY
Package Code: LFQFP
Package Equivalence Code: QFP48,.35SQ,20
Package Shape: SQUARE
Peak Reflow Temperature (Cel): 260
Power Supplies: 2.5/3.3 V
Qualification Status: Not Qualified
RAM (bytes): 20480
ROM (words): 131072
ROM Programmability: FLASH
Seated Height-Max: 1.6 mm
Speed: 72 MHz
Subcategory: Microcontrollers
Supply Current-Max: 50 mA
Supply Voltage-Max: 3.6 V
Supply Voltage-Min: 2 V
Supply Voltage-Nom: 3.3 V
Surface Mount: YES
Technology: CMOS
Temperature Grade: INDUSTRIAL
Terminal Finish: Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form: GULL WING
Terminal Pitch: 0.5 mm
Terminal Position: QUAD

Mainstream Performance line ARM Cortex-M3 MCU with 128 Kbytes Flash 72 MHz CPU motor control USB and CAN

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