See How Different Broaching Machines Work Differently??


Broaching is a machining process that uses a toothed tool, called a broach, to remove material from a workpiece. It's a highly efficient method for creating precise internal and external shapes, such as keyways, splines, and complex contours. While the fundamental principle remains the same, different broaching machines are designed to excel at specific tasks. Let's explore some of the most common types.

Vertical Broaching Machines

Vertical broaching machines, as the name suggests, operate with the broach moving vertically. The workpiece is held stationary while the broach is pulled or pushed through it. These machines are incredibly versatile and come in two main types: pull-down and pull-up. Pull-down machines are ideal for internal broaching, where the broach is pulled downwards through the workpiece, allowing chips to fall away freely. Pull-up machines, on the other hand, pull the broach upwards and are often used for surface broaching.

Horizontal Broaching Machines

Horizontal broaching machines operate with the broach moving horizontally. They are typically used for broaching long parts or for external surface broaching. Unlike vertical machines, horizontal machines often have a longer stroke length, making them suitable for larger workpieces. They are also known for their ability to handle heavier parts and for continuous production lines.

Helical Broaching Machines

Helical broaching machines are specialized for creating helical splines or rifling inside a bore. These machines feature a rotating mechanism that twists the broach as it's pulled through the workpiece. This simultaneous pulling and rotating action is essential for cutting the spiral grooves needed for applications like rifle barrels and transmission components.

Rifle Broaching Machines

Rifle broaching machines are a specific type of helical broaching machine designed exclusively for cutting the rifling inside a gun barrel. The process involves a series of broaches, each progressively cutting a deeper groove. The broach head, which contains the cutting teeth, is guided by a lead bar that controls the twist rate of the rifling.

Flat Broaching Machines

Flat broaching machines are a type of surface broaching machine used to create flat surfaces or contours on the outside of a workpiece. The broach, which can be a single piece or a series of segments, moves across the surface of the part, removing a layer of material with each pass. This method is highly efficient for large-scale production of parts requiring a smooth, flat finish.

Table-Up Broaching Machines

Table-up broaching machines are a specific design where the work table moves upwards to meet the stationary broach. This design is often used for internal broaching of smaller parts. The advantage of this configuration is that the workpiece is loaded at a convenient height, and the chips fall away from the cutting area, leading to cleaner operations.

Surface Broaching Machines

Surface broaching machines are used to shape the exterior of a workpiece. They can be either vertical or horizontal and are known for their high productivity. The broach itself is often a series of toothed inserts mounted on a rigid holder. This allows for a fast and efficient removal of material, creating precise flats, slots, and complex contours on the surface of a part.


Steelmans Broaches provide the vast category of broaching machines with vast technology and equipment's, if you want to get more knowledge about this then contact us know about more.

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