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Hybrid technology fulfills a need recently developed by novel photonics applications has created for the alignment and measurement of optics and lasers. Implementing motorized focusing offers an additional measurement dimension by focusing on the area to be examined and performing alignment and deviations from alignment on the scale of microns.
Caseless ammunition (CL), [1] or caseless cartridge, is a configuration of weapon-cartridge that eliminates the cartridge case that typically holds the primer, propellant and projectile together as a unit. Instead, the propellant and primer are fitted to the projectile in another way so that a cartridge case is not needed, for example inside or ...
Edge finder. An edge finder is a rotating tool, meaning the machine spindle must be turning for the tool to work. On one end of a cylindrical shank, a second cylinder is attached by a spring running through the center of both cylinders.
The pinfire cartridge patented in 1835, uses a metallic cartridge with an integrated firing pin located radially near the base of the cartridge. [4] The pin needs to be aligned with a corresponding slot in the chamber; a disadvantage compared with rimfire and centerfire cartridges that followed and that are also safer. [2] [5]
The blank cartridge fits into the breech, and is triggered either electrically or mechanically. When the aircraft's ignition is turned on and the cartridge is fired, high-velocity, high-pressure gas (~1,000 psi (6.9 MPa ) at ~600 ft/s (180 m/s)) shoots down the pipe, forcing the motor to spin and engage the starter ring gear on the engine ...
For this, a highly accurate and indisputable protocol has been defined by NATO experts using a system of reference cartridges. [ 1 ] [ 3 ] [ 4 ] The civilian organisations C.I.P. and SAAMI use less comprehensive test procedures than NATO, but NATO test centres have the advantage that only a few chamberings are in military use.
A .32 ACP FMJ cartridge, a .32 ACP FMJ cartridge in a blued .303 British supplemental chamber, and a .303 British FMJ cartridge (left to right) A caliber conversion device is a device which can be used to non-permanently alter a firearm to allow it to fire a different cartridge than the one it was originally designed to fire.
Alignment – "Alignment is the projection of the track geometry of each rail or the track center line onto the horizontal plane," (FRA Definition). [8] Also known as the "straightness" of the tracks. Crosslevel – The variation in cant of the track over the length of a predetermined "chord" length (generally sixty-two feet). On straight or ...
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