Reaming small diameter cylinders with end mills

Our factory has encountered the processing of the small-diameter cylinder shown in Figure 1. The cylinder length is 700mm, the inner hole is φ42_0~(+0.12)mm, the material is 45 steel, the inner hole surface roughness R_a1.6, the hardness is 220-260HB. Because the boring head and the honing head

Continue Reading

Processing R-groove special forming tool

In the mining equipment produced by our factory, there is a wind shank with a φ26mm R2 groove at the bottom of the inner hole that needs to be processed. The original processing method: use, a front R-shaped turning tool, can be processed after the test, because the inner hole is deep, it bring

Continue Reading

High centering tool

The method of installing the turning tool on the lathe square tool holder to make the tool tip centered on the center of the lathe is commonly used in the estimation method, the middle cutting board engraving method, the steel ruler method, the tailstock topping method and the test end method. . Th

Continue Reading

Laser treated carbide turning tool

The commonly used graded carbide indexable inserts are laser-treated and tested in the laboratory. The surface roughness is reduced and the quality is improved. This is especially true when turning stainless steel. First, the test situation Select the commonly used YT15, YG6, YW1 three brands as th

Continue Reading

CNC transformation of 43K_72 boring and milling machine

The 43K-72 boring and milling machine is a precision CNC machine tool introduced by our factory in the early days and has been used for nearly 20 years. We use the modern numerical control and drive system to carry out numerical control regeneration of the machine tool, and use PLC programming tech

Continue Reading

Large diameter cylinder deep hole nesting

The φ5.64m shield tunneling machine manufacturing project undertaken by our factory has urgent tasks and short cycle. Cylinder processing is a key part in the manufacture of shields, in which the single-stage jack cylinder (inner hole φ250×1873mm, 35 steel) is solid. Forgings. Obviously

Continue Reading