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Deburr
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]
Wellingborough (/ˈwɛlɪŋbərə/ WEL-ing-bər-ə) is a large market town in the Wellingborough district of Northamptonshire, England, 11 miles (18 km) from Northampton on the north side of the River Nene.[3][4]
Originally named "Wendelingburgh" (the stronghold of Wændel's people),[5] the Anglo-Saxon settlement is mentioned in the Domesday Book as "Wendelburie". The town was granted a royal market charter in 1201 by King John.[6]
At the 2011 census, the town had a population of 49,128.[1] The Borough Council of Wellingborough has its offices in the town centre.[7] The town is twinned with Niort in France, and with Wittlich in Germany.
The town is predicted to grow by 30 per cent under the Milton Keynes South Midlands (MKSM) study, and the government has identified Wellingborough as one of several towns in Northamptonshire where growth in jobs and housing will be directed.[8] The area will see an addition of around 10,000 homes by 2031, mainly to the east of the town.[9] Wellingborough, along with Corby and Kettering together comprise the core of the North Northamptonshire growth area, coordinated by the North Northamptonshire Joint Planning and Delivery.[10] The town also has a growing commuter population as it is on the Midland Main Line railway, operated by East Midlands Railway, with trains to London St Pancras International taking under an hour, and an interchange with Eurostar services.[11]
