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In offshore applications, huge lengths of rope are often housed on drums. The anchor winches on Saipem's Semac 1 pipe laying barge, for example, each hold 2,800 metres of 76mm (3 inch) diameter wire rope in 14 layers. Saipem's Castorone, the world's largest pipe laying vessel uses a wire rope that is 3,850m long and 152mm in diameter. It weighs ...
[1] [2] [3] Some reels or skein winders are made without the gear mechanism (see swift (textiles)). They perform the same function, but without the "clock" or pop to aid the spinner in keeping track of the length of thread or yarn produced. A niddy noddy is an even simpler version.
35mm film reels and boxes 16mm empty film reel with its metal container It is traditional to discuss the length of theatrical motion pictures in terms of "reels". The standard length of a 35 mm film reel is 1,000 feet (305 m), which runs approximately 11 minutes for sound film (24 frames per second ) [ 2 ] and about 15 minutes for silent film ...
The cold drawing process for steel bars and wire is as follows: Tube lubrication: The surface of the bar or tube is coated with a drawing lubricant such as phosphate or oil to aid cold drawing. Push Pointing: Several inches of the lead ends of the bar or tube are reduced in size by swaging or extruding so that it can pass freely through the ...
Virginia Reels used a side friction-like track resembling a trench. The tubs, which had inward-facing seats built around the perimeter, spun freely on their chassis as they traveled around the track. Instead of big hills or banks, Virginia Reels featured many unbanked turns and switchbacks to spin their tubs as much as possible.
The material is fed from the uncoiler, through the nip between the two circular cutting wheels (one on top and another underneath), and then re-wound in slit pieces on the recoiler. When the term "slitter rewinder" or "slitting machine" is used to describe the machine, the three parts are referred to as the unwind, the slitting section and the ...
Film is commonly checked for broken sprocket holes before presentation, a process known as "spooling". Mechanical devices exist for this purpose, but the classic method is to place the finger and thumb of a gloved hand on the edges of the film, which is mounted on a winding bench, and to slowly run the film through the fingers, feeling for snags.
The steel reels/drums are manufactured in an eco-friendly manner and are more durable than wooden drums, but at a significantly higher cost. These steel reels are not as easily stolen. The offshore industry today prefers steel reels/drums instead of wooden, plywood or plastic reels/drums, but the traditional land based industry prefers wooden ...