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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 surface plate is a solid, flat plate used as the main horizontal reference plane for precision inspection, marking out (layout), and tooling setup. [1] The surface plate is often used as the baseline for all measurements to a workpiece, therefore one primary surface is finished extremely flat with tolerances below 11.5 μm or 0.0115 mm per ...
A long-handled scraper can be used as a bowl scraper. Bowl scrapers (also known as rubber feet) are, as the name suggests, used to remove material from mixing bowls. Often, a plate scraper is used for this purpose, particularly since the long handle allows it to be used to remove contents of bowls as well as jars, such as mayonnaise jars; however, for bowls, dedicated scrapers are available ...
Tools for the Job by L.T.C. Rolt "..according to some writers it was Whitworth and not Maudslay himself who first demonstrated the art of finishing a surface plate with a hand scraper." Maudslay knew the importance of a true surface plate but had not succeeded in making them with the lapping process, it was Whitworth who added the idea of ...
The term is also commonly used in cookery to refer to a scraper, as in American English. Non-regional In addition to the regional senses, a spatula can be used in both British and American English to refer to a tool with a flat, blunt blade used for mixing and spreading things as opposed to one used for lifting and flipping food, an example of ...
Engineer's blue is prepared by mixing Prussian blue with a non-drying oily material (for example, grease).The coloured oil is rubbed onto a reference surface, and the workpiece is then rubbed against the coloured reference; the transfer (by contact) of the pigment indicates the position of high spots on the workpiece or conversely highlight low points. [1]
The small plate shown in the first picture is a hand lapping plate. That particular plate is made of cast iron. In use, a slurry of emery powder would be spread on the plate and the workpiece simply rubbed against the plate, usually in a "figure-eight" pattern. Small lapping machine. The second picture is of a commercially available lapping ...
A scriber is a hand tool used in metal work to mark lines on workpieces, prior to machining. The process of using a scriber is called scribing and is just part of the process of marking out . It is used instead of pencils or ink lines, because the latter are hard to see, easily erased, and imprecise due to their wide mark; scribe lines are thin ...