Application of machine clamp heavy grinding and milling cutter in machining center

Since 1981, our factory has introduced the technology of Westinghouse Electric Company of the United States to manufacture three-stage blades of 300MW and 600MW steam turbine low-pressure cylinders. The blade material is precipitation-hardening stainless steel 17-4PH. The performance comparison with the commonly used material of the blade 2Cr13 after heat treatment is as follows: From the table It can be seen that 17-4PH is 31% higher than the strength limit δ_b of 2Cr13, and the cutting performance is poor, and processing is also difficult. The several stages of the blade are manufactured using precision forged blade blanks, and most of the machining allowance is concentrated in the blade roots (Fig. 1). We use machining center equipment to machine the leaf roots and intermediate conical surfaces in a concentrated manner. The development of the tools used is through high-speed steel and high cobalt.

Microscope Slides And Cover Slips

1. The glass slide is used to put the sample to be tested, and the cover glass is covered on the sample to be tested.
2. The glass slide is at the bottom, which is the carrier for the material you want to observe, that is, you want to put something on it.
3. The cover glass is smaller than the slide glass. The glass slide is mainly used to hold the observation objects. The cover glass is covered on the slide glass and used for fixing.
4. The glass slide is a thicker piece of glass in the transfer slide, which is used to carry the real object. The cover fragment is the small round or square thin one.
5. Mounting is a general term for a set of things, including slides, coverslips and loaded objects

6. The cover glass is square, the slide glass is rectangular, and the width is longer than the side of the cover glass.

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