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Deburring

​There are many deburring processes, but the most common are mass-finishing, spindle finishing, media blasting, sanding, grinding, wire brushing, abrasive flow machining, electrochemical deburring, electropolishing, thermal energy method, machining, water jet deburring, and manual deburring.[5]

Manual

Manual deburring is the most common deburring process because it is the most flexible process. It also only requires low cost tools and allows for instant inspection.[6] Manual deburring is either done with tools like scrapers, files, sandpaper, stones and reamers or with handheld power tools that use abrasive points, sandpaper, or cutters similar to those used to deburr during machining.

Electrochemical

Electrochemical deburring is the use of electrochemical machining to deburr precision work pieces and edges that are hard-to-reach, such as intersecting holes. The process uses a salt or glycol solution and electricity to dissolve the burr. The electric current is applied with a specialized tool to reach the burr location. Burrs are removed in 5 to 10 seconds, while the rest of the work piece is unaffected.[6]

Thermal

Thermal energy method (TEM), also known as thermal deburring, is a deburring process used to remove hard-to-reach burrs or burrs from multiple surfaces at the same time. The process uses an explosive gas mixture to provide thermal energy to burn off the burrs. It is the fastest burr removal process, requiring only 20 milliseconds to remove a burr.[7]

The process starts by loading the workpiece into an explosion-proof chamber, which is then sealed and clamped with approximately 220 metric tons (240 short tons). The chamber is then evacuated of air and filled with an oxygen and fuel mix; this mixture is pressurized to 0.5 to 1.9 MPa (73 to 276 psi). An electrical igniter then ignites the mixture, which burns for approximately 20 milliseconds, causing all of the sharp corners and burrs to burn away. The peak temperature reaches 3,000 °C (5,430 °F).[7]

​Basingstoke (/ˈbeɪzɪŋstoʊk/ BAY-zing-stohk) is the largest town in the county of Hampshire.[b] It is situated in south-central England and lies across a valley at the source of the River Loddon, at the far western edge of The North Downs. It is located 30 miles (48 km) north-east of Southampton, 48 miles (77 km) south-west of London, 27 miles (43 km) west of Guildford, 22 miles (35 km) south of Reading and 20 miles (32 km) north-east of the county town and former capital Winchester. According to the 2016 population estimate, the town had a population of 113,776.[c] It is part of the borough of Basingstoke and Deane and part of the parliamentary constituency of Basingstoke.

Basingstoke is an old market town expanded in the mid-1960s, as a result of an agreement between London County Council and Hampshire County Council. It was developed rapidly after the Second World War, along with various other towns in the United Kingdom, in order to accommodate part of the London 'overspill' as perceived under the Greater London Plan in 1944.[2] Basingstoke market was mentioned in the Domesday Book of 1086 and it remained a small market town until the early 1960s. At the start of World War II, the population was little more than 13,000. It still has a regular market, but is now larger than Hampshire County Council's definition of a market town.[3]

Basingstoke became an important economic centre during the second half of the 20th century and houses the locations of the UK headquarters of Motorola, The Automobile Association, De La Rue, Sun Life Financial, ST Ericsson, GAME, Barracuda Networks, Eli Lilly and Company, FCB Halesway part of FCB, BNP Paribas Leasing Solutions (the leasing arm of BNP Paribas in the UK) and Sony Professional Solutions. It is also the location of the European headquarters of the TaylorMade Golf Company. Other industries include IT, telecommunications, insurance and electronics.

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