What is a broach keyway?
Keyway broaches are tools in the shape of a bar that have cutting teeth that are capable of creating precise keyways in the boreholes of washers, gears, pulleys, and many other components mounted on shafts, so they can be locked into the shaft.
What is broach style A?
American Standard Bushings by Broach Style The Bushing size and Style are determined by the bore diameter of the workpiece as well as the Style of Broach to be used. “A” Style Broaches are used with “A” Style Bushings, “B” Style Broaches with “B” Style Bushings, etc.
What does a broach machine do?
broaching machine, tool for finishing surfaces by drawing or pushing a cutter called a broach entirely over and past the surface. A broach has a series of cutting teeth arranged in a row or rows, graduated in height from the teeth that cut first to those that cut last.
Can you broach cast iron?
Finally, a non-metallic option is malleable or cast iron. You’ll need a team to inspect your particular application and iron in order to determine the success of your broaching project, but medium and heavy cuts can still be achieved. Look for six-to-eight-degree face angles for best use.
Which chisel is used for cutting keyways?
Cross-cut or cape chisels: These are used for cutting keyways, grooves, and slots.
How many types of broaching machines are there?
There are two principal types of broaching machines: horizontal and vertical.
How are broaches classified?
In general they are classified as vertical or horizontal machines. Vertical machines are well adapted for surface broaching with the tool supported on a suitable slide, although both pull and push type internal broaching machines are made in this design.
Can you broach hardened steel?
The best materials to use in a broaching machine are softer, but some high-tensile steel and other hard metals can also be successfully broached. Because of the diverse range of broaching machines available, the type of broaching machine can affect the type of material you use.
How can a keyway be machined on a shaft?
A method of machining keyways in shafts comprises the steps of aligning a central line of a spindle of a machine tool with a center line of a shaft to be machined, preliminarily machining a keyway in the shaft with keyway mill arranged on the spindle so as to retain a symmetrical allowance for a finishing machining of …
How do you use a keyway broach?
Use individual keyway broaches in a variety of arbor hole sizes. Bushings rest inside the arbor hole of your workpiece and act as guides to ensure rigid and accurate keyway cutting.
What size bushings for keyway broaches?
Bushings for Keyway Broaches For Broach Style Choose a Diameter Overall Lg. Material A 1/4 “, 5/16 “, 3/8 “, 7/16 “, 1/2 ” 1 1/8 ” Steel 00000000 A 6mm, 8mm, 10mm, 12mm, 15mm 1 1/8 ” Steel 0000000 B 1/2 “, 9/16 “, 5/8 “, 11/16 “, 3/4 “, 13 1 11/16 ” Steel 0000000
How do you use Arbor hole broaches?
Use individual keyway broaches in a variety of arbor hole sizes. Bushings rest inside the arbor hole of your workpiece and act as guides to ensure rigid and accurate keyway cutting. Bushings for smaller arbor holes are collared for easier handling. The collar rests on top of the workpiece rather than being supported from below.
How do you set the depth of a broach and bushing?
Slide them between the broach and bushing to set the depth of the keyway. Note: Broaches have a style designation of A, B, B1, C, C1, D, D1, or E. For proper fit, broaches, bushings, and shims used together must have the same letter designation. For technical drawings and 3-D models, click on a part number. For Keyway Wd. Thick. Lg.