Tungsten Carbide Reamer Ⅵ

Details: Category: Tungsten Information; Published on Wednesday, 21 October 2015 14:44

In part 5 we know that straight reamers are used to enlarge a hole in small scale with a slight taper at one end and the length can be variable, and the reamed holes are typically used to any two locating parts where the locating accuracy is required within 0.02 mm. And here we explain hand reamer and machine reamer which are similar tungsten carbide reamers.

Hand reamer

A hand reamer has a longer taper or lead in at the front than a machine reamer. This is to compensate for the difficulty of starting a hole by hand power alone. It also allows the reamer to start straight and reduce the risk of breakage. The flutes may be straight or spiral.

Machine reamer

A machine reamer only has a very slight lead in. Because the reamer and work piece are pre-aligned by the machine there is no risk of it wandering off course. In addition the constant cutting force that can be applied by the machine ensures that it starts cutting immediately. Spiral flutes have the advantage of clearing the swarf automatically but are also available with straight flutes as the amount of swarf generated during a reaming operation should be very small.

(To be continued. This article is divided into several parts and this is part 6, for part 5, please refer to http://news.chinatungsten.com/en/tungsten-information/79553-ti-10173)

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