Title Portable Grinder Safety Author LewandowskiU088436 Last modified by u144682 Created Date 1/12/2006 1 40 27 PM Document presentation format A free PowerPoint PPT presentation displayed as an HTML5 slide show on id 6094ca YTY4Z The PowerPoint PPT presentation "Grinder Use Safety Training" is the property of
·A grinding machine is a production machine tool used in the manufacturing industry in which the grinding wheel is attached in the tool post and the workpiece is fixed to the work table and when the operation starts it removes the unwanted material to get the desired surface finish correct size and accurate shape of the workpiece
·Grinding Machine Grinding Machine Grinding is a metal removal process by the action of a rotating abrasive wheel An abrasive is a material whose particles are extremely hard and can be used to machine materials such as hardened steel glass carbides ceramics etc views • 21 slides
Grinding Wheel A grinding wheel is a self sharpening tool composed of discrete abrasive grains held together by a bonding agent with composite structure of many clearance allowance for the cutting edges The characteristics of a grinding wheel depends upon the combined elements of abrasive grit size grade structure and bond The main components of grinding wheel are
·5 CONSTRUCTION Table provides longitudinal motion to the work piece The table is arranged on the saddle It can move in different on the guide ways of the saddle A spindle head is provided at the top of this column which is fixed on the guide ways of the column The spindle is fixed using preloaded antifriction bearings Jig boring machine generally consists of a
·5 Through feed • In this method the workpiece fed in one end comes out in the other end as a finished product it completely passes through the space between the wheels Guides are provided in both ends This method is used only for cylindrical pieces without any step It is used for grinding piston pins long and thin shafts
·There are several types of grinding machines classified based on their construction and purpose including rough grinders and precision grinders floor stand and bench grinders portable and flexible shaft grinders swing frame grinders abrasive belt grinders cylindrical grinders surface grinders tool & cutter grinders and special grinders
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