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Machining on Shafting.InfoImages and videos used on the Shafting.Info site are to the best of our knowledge public domain. Anything found to be breaching copyright will be removed immediately. Articles on the Shafting.Info site remain the property of the writer/submitter and the opinions stated in these articles are not necessarily the opinions of the Shafting.Info site or its editors.
Machining - GeneralMachining refers to cutting or forming steel for use as an end product. This can take the form of turning the diameter on a lathe to obtain a smaller diameter, drilling holes, tapping threads, grinding grooves for clips or milling flat sections.Machining can be done with automatic machining systems using CAD softeware or it may be done manually using older style machines. Machinability of Stainless SteelMartensitic stainless steels (see the table on Stainless Steel Page are hardenable by heat treatment like other alloy steels. Precipitation hardening stainless steels are strengthened by heat treatment using a different mechanism to martensitic types. Ferritic, austenitic and duplex types cannot be strengthened or hardened by heat treatment but can be strengthened by cold working. Cold working can also produce slight magnetism. Compared to the austenitic stainless, ferritic stainless has good mechanical properties at ambient temperature, but limited ductility. They are not suitable for cryogenic applications and lose strength at high temperature. Austenitic stainless is more ductile and impact tough at cryogenic temperatures. Austenitic stainless has low magnetism when fully softened and has lower thermal conductivity and higher thermal expansion rates than the other stainless steels.303 is a free-machining stainless steel. The free-machining characteristics are provided by adding sulphur and/or selenium. 304 (18-8) stainless steel is easy to machine and very widely used. Due to the wide usage, 304 stainless steel is usually cheaper than other grades when purchased in the unmachined form. 316 stainless steel machinability is similar to 304 stainless steel. 416 stainless steel is easy to machine due to additional sulphur. Annealed austenitic stainless steel have a yield strength that is very low in proportion to the tensile strength - typically only 40-45%. For mild steel this figure is about 65-70%. Cold work greatly increases the yield much more than the tensile strength. Design stresses for various grades and temperatures are given in Australian Standard AS1210 "Unfired Pressure Vessels". Useful information about precision ground shafting is available in the links below and to the right of this page. Where to purchase shaftingSmall Parts and BearingsMany types of stainless steel shafting for small industrial and hobby applications. Shipping daily to USA, England, Asia and most worldwide destinations. www.smallparts.com.au Miniature Bearings Australia Wholesale stainless steel shafting for small industrial and hobby applications. www.minibearings.com.au H.E. Supplies (Hobby Engineering) Stainless steel hobby shafting for all types of small dynamic hobbies including remote control cars, boats, planes, helicopters and other models. www.hobbyparts.com.au More information on machiningContinued below... |
Stainless Steel selection guide.
www.engineeronline.ws
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Images and videos used on the Shafting.Info site are to the best of our knowledge public domain. Anything found to be breaching copyright will be removed immediately. Articles on the Shafting.Info site remain the property of the writer/submitter and the opinions stated in these articles are not necessarily the opinions of the Shafting.Info site or its editors. A random picture related to mechanics or robotics LINEAR SHAFT SUPPORT 
Small Parts and Bearings Your linear shaft support source for small industrial applications. Shipping daily to USA, England, Asia and most worldwide destinations. www.smallparts.com.au A random Youtube video from our favourites collection LECTURE SERIES ON DESIGN OF MACHINE ELEMENTS Lecture series on design of machine elements - I by Prof.G.Chakraborty, Department of Mechanical Engineering,IIT Kharagpur
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Site Summary:
shafting.info is your one stop resource for all types of information on shafting. The pages are administered by Miniature Bearings Australia and provide technical and sourcing information for all types of shafting from precision ground to semi-precision rod. Materials discussed include plastics, aluminium, chrome steel, various grades of stainless steel, silver steel and titanium.
This site is not a point of sale. It is designed to provide information only and to hopefully point you in the right direction with your shafting enquiries. This may include links to Miniature Bearings Australia or it's distributors, and it may also include links to competitors sites.
User input is encouraged and forms are provided throughout the site to enable users to make corrections or provide additional data.
Online purchases of many types of shafting can be made through the Small Parts and Bearings online store which is linked directly to the Miniature Bearings Australia online catalogue. We also suggest that you may want to take a look at Couplings Information, Gearboxes Information and H.E. Supplies Hobby Parts.
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