Broaching is a process in which a special tapered multi toched cutter is forced trough an opening or along the outside of a piece of work to enlarge or change the shape or the hole to form the outside to a desired shape.
Broaching was first used for producing internal shapes, such as keyways, splines and other odd internal shapes. Its application has been extended to enterior surfaces, such as the flat face on automotive engine blocks and cylinder head.
Broaching has many advantage and an extremly wide range of applications:
1. Machining almost any irregular shape is possible providing it is parrarel to the broach axis
2. It is rapid (not rapidshare ;) ) the entire machining process is ussually completed in one pass
3. Roughing and finishing cuts are genearlly combined in the same operatin.
4. A variety of forms, either internal, external may be cut simultaneously and the entire width of a surface may be machined in one pass, thus eliminating the need for a machining operation.
Broaching was first used for producing internal shapes, such as keyways, splines and other odd internal shapes. Its application has been extended to enterior surfaces, such as the flat face on automotive engine blocks and cylinder head.
Broaching has many advantage and an extremly wide range of applications:
1. Machining almost any irregular shape is possible providing it is parrarel to the broach axis
2. It is rapid (not rapidshare ;) ) the entire machining process is ussually completed in one pass
3. Roughing and finishing cuts are genearlly combined in the same operatin.
4. A variety of forms, either internal, external may be cut simultaneously and the entire width of a surface may be machined in one pass, thus eliminating the need for a machining operation.
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