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Windage may also inhibit the migration of oil into the sump and back to the oil pump, creating lubrication problems. Some manufacturers and aftermarket vendors have developed special scrapers to remove excess oil from the counterweights and windage screens to create a barrier between the crankshaft and oil sump. [6] [7]
The scraper in the center of the image is a three corner scraper and is typically used to deburr holes or the internal surface of bush-type bearings. Bushes are typically made from bronze or a white metal. The scraper pictured at the bottom is a curved scraper. It has a slight curve in its profile and is also suitable for bush bearings ...
A sharp scraper has a burr at the edge which cuts the wood, only a dull scraper scrapes. bowl saver – a tool used to core out the inside part of a bowl, allowing the waste piece to be used to create a smaller bowl, and to limit the number of wood chips created when hollowing out a bowl.
The crankshaft and connecting-rod big-end bearings in current automobile engines are made of a replaceable steel shell, keyed to the bearing caps. The inner surface of the steel shell is plated with a coating of bronze , which is in turn coated with a thin layer of Babbitt metal as the bearing surface.
Bank, pit bank or pit brow. The bank, pit bank or pit brow is the area at the top of the shaft. [3]Banksman or banker. A banksman, banker, hillman or browman works at the pit bank to dispatch the coals, and organise the workforce.
The nose scraper typically has a smaller working edge either at both ends or just one end. This type of scraper is made from a convex blade and is used in more fine tuning work. The hollow scraper is a type of scraper that has a notch worked into the side or end of the scraper.
The scraper is a large piece of equipment which is used in mining, construction, agriculture and other earthmoving applications. The rear part has a vertically moveable hopper (also known as the bowl) with a sharp horizontal front edge.
This is a vertical spool with a ratchet mechanism similar to a conventional winch, but with no crank handle or other form of drive. [7] The line is wrapped around the spool and can be tightened or reeled in by pulling the tail line. The winch takes the load once the pull is stopped with little operator tension needed to hold it.