Internal cooling deep hole reamer

As the saying goes, "turning workers are afraid of the car", in fact, the deep hole workpiece is more difficult to machine than the slender shaft, because the tool is limited by the aperture, the rigidity is poor, the chip removal is difficult, the hole depth is not easy to understand, th

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"Mechanical Worker" travels with me

Time flies, flipping through the "Mechanical Workers" in his hands, and unconsciously passed a few degrees of heat and cold. As a loyal reader and author, I sincerely applaud this magazine, which is constantly emerging, and more importantly, she is always a close partner of my work. Due t

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Strong stress positioning universal top

The strong stress positioning universal tip (see figure) is located on the fixed conical head positioning conical surface, and the concave and convex groove is formed by a simple and scientific angle plane, so that the positioning conical surface becomes circumferentially equally divided, intermitt

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Cyclone cutting oil pump worm

When we are processing the parts of the GN6 high-speed overlock sewing machine, the oil pump worm (Fig. 1), we started to use the lathe to turn the thread. Since the workpiece has 2 heads and is different from the general thread, the processing is time consuming, the operator is very tired, and it

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Deep hole cutter for processing power plant tube sheet

Power plant tube sheets (steam turbines, boiler tube sheets) are generally made of high-strength low-alloy steel (such as 20MaMo, etc.), the diameter of the tube sheet is large (φ1600~φ2500mm), and its processing characteristics are many holes (2000 per tube plate). Porous), small (Ï

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Applying the trajectory method to repair the press sleeve

The left and right clamping sleeves on the press connecting rod are used to fasten the screw rod. Since the screw rod is subjected to the alternating impact load, the thread of the fastening sleeve is broken frequently. The threads of the conventional machining of the clamping sleeve (Fig. 1) must

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XBJ 420 milling machine

The conventional equipment is used for processing the side parts and the bottom surface of the plate parts, the casting nest parts and the like, and the production efficiency is low and the labor intensity is large. To this end, we make the XBJ420 edge milling machine. The structure of the XBJ420 m

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Crankshaft machining process improvement

At present, the crankshaft processing technology commonly used by some professional crankshaft manufacturers in China is: blank preparation - normalizing treatment - machining - surface strengthening treatment - super finishing. Our factory has used the above process for many years, and the surface

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Comparison of three tooth thickness test methods

The purpose of detecting the tooth thickness is to ensure that the gear pair drive has a certain flank clearance so that the gear pair can be operated normally. To this end, GB6443—86 “Dimensional data to be indicated on the involute spur gear pattern” stipulates that the involut

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