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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

The Life of a Screw

Keywords:screw

The screw is called “industrial rice”, have you ever thought how to come to such a small screw? Today, let’s take a look at the past life of a screw. A screw usually goes through 5 steps: (1) drawing; (2) cold heading; 3. Rub silk; (4) Heat treatment; ⑤ Surface treatment. [drawing] is to pull the coils of steel wire out of the steel mill to make the wire rod of the right thickness, soft and hard, the process is like lanzhou noodles 🙂

 

[Cold heading] metal metamorphosis, a key step in the formation of screws. Through a series of molds, the metal step by step changes shape, gradually exposing the outline of the screw.

[Thread ]how do threads come from? Was it turned with a single knife on a lathe? Of course not! The screw is pressed on the “washboard” and rolled over, and then there is a thread on the body. With the thread, this is a real screw ah!

[Heat treatment] I remember an old-timer compared heat treatment to cooking rice, well, it is still very vivid. In fact, this is a “industrial rice” cooked process, soft to hard, all by taste.

[Surface treatment]: After the transformation, the fire of the furnace, and then it’s time to shine. Don’t worry! The finish is the final piece of grooming to make the screws look beautiful while also protecting them from the environment.

 

Buddha said, a flower a world, a leaf a bodhi. So is a screw.

 

Okay, so this is a screw’s life. Will you feel differently the next time you see a screw?

 

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