How to control the normal stress between sealing faces is a critical factor while using metal face seals for rolling cutter rock bits.

在牙轮钻头中成功应用单金属浮动金属密封结构的关键在于控制密封端面之间的接触压力。

youdao

This paper describes the research and manufacture of titanium investment casting for large sized housing type structure of thin wall using the ceramic shell with metal face layer.

本文叙述了采用金属面层陶瓷型壳工艺，研制大型薄壁壳体类钛合金精密铸件。

youdao

Good thing BodyMedia's making a shiny metal armband and swappable face plates (sold separately) to provide a more elegant look.

ENGADGET: BodyMedia CORE 2 armband and View patch health monitors hands-on

Metal-processing facilities already face contamination problems when they inadvertently accept medical devices and other radioactive products, Mr. Danjczek said.

FORBES: Does The DoD Want To Kill Us All With Radioactive Nuclear Scrap Metal? No, No Not Really

Well, we just got to see some prototypes of the device, including the basic CORE 2 band, its metal bracelet and swappable plastic face plate accessories, and learned a bit more about the device.

ENGADGET: BodyMedia CORE 2 armband and View patch health monitors hands-on