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There is a Wolseley brand two-stand portable shearing plant in the collection of the National Museum of Australia in Canberra. [11] Manufactured in Birmingham, England, around 1930, the shearing plant is powered by a 32-volt, three horse-power single-cylinder petrol engine, mounted on a wooden trolley base with four cast iron wheels.
At that time the shearing shed on Isis Downs was a rectangular-shaped timber and corrugated iron structure with a central arched spine. Erected in the late nineteenth century, it contained 100 shearing stands and was larger than the current shed, but it was destroyed by fire in September 1912, immediately after the close of the shearing season. [1]
An alligator shear, historically known as a lever shear and sometimes as a crocodile shear, is a metal-cutting shear with a hinged jaw, powered by a flywheel or hydraulic cylinder. Alligator shears are generally set up as stand-alone shears; however, there are types for excavators. The jaw size can range from 4 to 36 in (100 to 910 mm) long.
The shearing machines are worked on the principle of a horse clipper; there is a comb with slightly elevated teeth, made of steel, the knife works on the top of the comb; a three-horsepower engine will work 16 machines in the following manner:—There is a shaft running the whole length of the shearing floor, about 7 feet from the ground.
In the shearing shed the woolly sheep will be penned on a slatted wooden or woven mesh floor above ground level. The sheep entry to the shed is via a wide ramp, with good footholds and preferably enclosed sides. After shearing the shearing shed may also provide warm shelter for newly shorn sheep if the weather is likely to be cold and/or wet.
Three-section staff. The three-section staff, three-part staff, triple staff, originally sanjiegun (Chinese: 三節棍; pinyin: sānjiégùn; Jyutping: saam1 zit3 gwan3) or sansetsukon (Japanese: さんせつこん), three-section whip, originally sanjiebian (Chinese: 三節鞭; pinyin: sānjiébiān; Jyutping: saam1 zit3 bin1), is a Chinese flail weapon that consists of three wooden or metal ...
Shearing, also known as die cutting, [1] is a process that cuts stock without the formation of chips or the use of burning or melting. Strictly speaking, if the cutting blades are straight the process is called shearing; if the cutting blades are curved then they are shearing-type operations. [ 2 ]
A precise description of what a machine tool is and does in an instant moment is given by a 12 component vector relating the linear and rotational degrees of freedom of the single work piece and the single tool contacting that work piece in any machine arbitrarily and in order to visualize this vector it makes sense to arrange it in four rows ...