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One brand name for this type of chuck, which is often genericized in colloquial use although not in catalogs, is Super Chuck. [citation needed] A pin chuck is a specialized chuck designed to hold small drills (less than 1 mm (0.039 in) in diameter) that could not be held securely in a normal drill chuck. The drill is inserted into the pin chuck ...
Several machine collets (top and centre) and a dismantled pin chuck (below). Generally, a collet chuck, [3] considered as a unit, consists of a tapered receiving sleeve (sometimes integral with the machine spindle), the collet proper (usually made of spring steel) which is inserted into the receiving sleeve, and (often) a cap that screws over the collet, clamping it via another taper.
The Albrecht mortar was loaded by sliding a propellant charge down the muzzle of the mortar and then a percussion cap was screwed into the base. A four-finned mortar bomb was then slid down the tube and the mortar was fired by a lanyard that ignited the percussion cap and propellant. Both the IKO and Albrecht used the same ammunition.
A schematic diagram of the centerless grinding process. Centerless grinding is a machining process that uses abrasive cutting to remove material from a workpiece. [1] Centerless grinding differs from centered grinding operations in that no spindle or fixture is used to locate and secure the workpiece; [2] the workpiece is secured between two rotary grinding wheels, and the speed of their ...
A "tang" is a protrusion at the heel, tapered, parallel sided, or conical, for gripping, inserting in a handle, or mounting in a chuck. [2] The cut of the file refers to how fine its teeth are. They are defined as (from roughest to smoothest): rough, middle, bastard, second cut, smooth, and dead smooth.
The Albrecht mortars came in a number of lengths and diameters 25–45 cm (10–18 in) each with their own projectiles. They consisted of a muzzle loaded smooth bore barrel built from wooden staves and wound with galvanized wire for reinforcement.
Center lathe with digital read out and chuck guard. Size is 460 mm diameter x 1000 mm between centers. In machining, a metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials.
12×14 Empire steam donkey in the UBC Malcolm Knapp Research Forest, Maple Ridge, British Columbia, Canada. A steam donkey or donkey engine is a steam-powered winch once widely used in logging, mining, maritime, and other industrial applications.