As the world's largest monolithic powder metallurgy high-speed steel hob, its modulus is 36, diameter 450 mm, length 550 mm, accuracy grade AA, hardness HRC66-67, will be used for large diameter, wide tooth width, high Precision and high hardness gear processing has the advantages of high work efficiency, long cutting time and good wear resistance.
In order to complete the processing and manufacturing of the largest diameter ring of the domestic diameter 芰12.99m jiang copper mill, CITIC Heavy Industry Equipment Tools Co., Ltd. listed the development of the hob as a major scientific research topic in 2009, and organized technical personnel to carry out technical research and solve the problem of inserting and picking. The heat treatment quenching and grinding tooth shape and other multi-step processing problems ensure that the hob smoothly completes the processing, creating conditions for finishing the large ring gear.
It is understood that the hob can not only replace the imported non-reground hard alloy hob, but also greatly improve the production efficiency of the hobbing machine, and can be re-grinded twice, re-coated and reused, saving the company a lot of money and reducing the production cost. .
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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