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ค้นเจอ 695 รายการ

Acid Steel

(english) Steel melted in a furnace with an acid bottom and lining and under a slag containing an excess of an acid substance such as silica.

User hierarchy

(Software Engineering) a hierarchical representation of the categories of users that will interact with any type of software

Broaching 2

(english) Multiple shaving, accomplished by pushing a tool with stepped cutting edges along the piece, particularly through holes.

Bent Axis Pumps

(english) In this pump, the pistons are at an angle to the drive shaft and Thrust Plate. The piston block shaft is connected to the drive shaft by a universal joint, not shown. The drive shaft, thrust plate, piston block shaft, and piston block all revolve. The connecting rods are attached to the thrust plate and revolve with it, unlike the swash plate pump where the piston rods slide past a stationary swash plate. The outlet ports are semi-circular holes in the Valve Plate, shown on the far right of the animation on edge and in a head-on view below, right. As the pump revolves, half the pistons suck in fluid as they pass over the intake port. The other pistons discharge their fluid through the outlet port. This pump should be compared to the radial piston pump, swash plate pump, and wobble pump.

Bit, Tool (cutter)

(english) A hardened steel bar or plate that is shaped accordidng to the operation to be performed and the material to be machined.

Magnetite

(Concrete Engineering) An aggregate used in heavy weight concrete, consisting primarily of ferrous metaferrite (Fe304). A black magnetic iron ore with a specific gravity of approximately 5.2 and a Mohs hardness of about 6.

Centroid:

(english) Similar to the concept of center of gravity, except that it applies to a two dimensional shape rather than an object. For a given shape, the centroid location corresponds to the center of gravity for a thin flat plate of that shape, made from a homogeneous material.

Blowhole

(english) A defect in a casting caused by trapped steam or gas.

Engineering change order (ECO)

(Software Engineering) a mini-specification that describes the technical aspects of a change

sink a die

แกะแม่พิมพ์, กัดบล๊อกแม่พิมพ์

Bedding a Core

(english) Resting an irregularly shaped core on a bed of sand for drying.

tube a manchette

ท่ออัดน้ำปูน (ท่อเจาะรูพรุนและมีท่อยางยึดรัดรอบนอก ยอมให้น้ำปูนไหลออก แต่มิให้ไหลเข้า)

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