Metal Polishing with Technocon's Steel Media
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|Technocon Engineers offer stainless steel media and also chrome steel, inox vibro finish steel media which are versatile burnishing tools used in mass finishing machines for polishing applications. Used in combination with burnishing chemicals, an appropriate steel media mixture - of spheres (round balls), eclipses (flat end balls), diagonals (bevelled cylinders), pins, satellites and ballcones - is run with the ferrous or non ferrous metal components in mass finishing equipment to achieve luster, mirror finish or a single stage cleaning, light deburring and pre plate finish or polish.|
The most popular stainless steel media burnishing applications are for:
|Steel Media from Technocon for Metal Polishing|
Generally for all applications, stainless steel media, inox media is preferred since it has a long life and does not get stained, rusted or corroded. Where cost saving is important or trial runs or pilot lots have to be processed then chrome alloy steel media is used. Shapes and Details of Technocon Steel Media...
Steel Media :
Balls, ballcones, pins, diagonals, eclipses.
Components: Aluminium components burnished with steel media vary from diecastings, extrusions to sheet metal parts. Domestic appliance components of mixer grinder, coffee maker; handicraft items and electrical connectors, brackets, housings are the most popular components which are widely processed in vibratory finishing machines with stainless steel media for cleaning, polishing, burnishing and mirror finishing applications.
Components: Stainless steel spoons and forks are popularly polished to a mirror finish with stainless steel media in vibratory finishing machines.
Process: For the general market, after ultrasonic degreasing the components are fed into the vibratory finishing machine and processed with stainless steel, inox media and a combination of burnishing chemicals. For batch processes the process time is about 90 minutes whereas for flow-through processes it is around 45 minutes. After the vibratory process the cutlery is neutralised in a mildly alkaline solution. This helps in removing the acidic chemical completely from the component and retaining the lustre on the surface. For the medium end market the steel burnishing process is preceded by deburring and smoothening in ceramic media. For the high end market, vibratory finishing may be followed by a buffing stage.
Both centrifugal hexagonal barrels and round vibrators are used for jewellery burnishing. The stainless steel (inox) media mix generally comprises of the following:
After heat treatment and annealing, burnishing is employed to make the surface of the coin blanks brighter, remove any surface scaling or discoloration and in some cases apply a minute amount of lubricant to assist in coining.
Components: Steel cages for ball bearings are used to hold the spherical balls in the bearing races. The bearing cage is a pressed component and is made of bearing steel or chrome alloy steel En31 / AISI 52100.
The degreasing and deburring is followed by the steel media polishing operation.
Steel Media: A mix of 3 mm diameter round balls and 3x5 mm ballcones are recommended in a 1:1 ratio; i.e. 50% of each media. The ballcones are necessary for polishing the corners of the flat profile where the spherical balls can not access. The spherical balls contribute to the enhanced shine.
Components: Mild steel hinges for doors, windows and other applications.
Components: Stainless steel hinges for doors, windows and other applications.
Steel Media: A mix of 3 mm diameter balls and 3x5 mm size ball-cones in 1:1 ratio; i.e. 50% of each media is recommended.
Technocon Engineers offer a wide range of steel polishing media -
ballcones, satellites, balls, eclipses, pins, cylinders; in chrome, inox and stainless steel.
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