Vertical Broaching

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Vertical broaching refers to the type of machine that is used to broach a piece part. Vertical broaching is typically used to cut external slots, shapes, and forms. Each application of vertical broaching usually consists of a custom made tooling package, and a fixture to hold and secure the piece part. An example of a vertical broaching application would be cutting a deep slot in a large industrial valve stem.

V W Broaching Service has a wide variety of vertical broaching machines, each machine distinguished by its stroke – which defines the length of cut – and its power ­­- which defines the size of cut the machine is able to make.

vertical broaching

vertical broaching services

vertical broach

Vertical Broaching Services

  • 5 vertical broaching machines
  • 90 inch maximum cut length (in one pass)
  • 10 ton maximum cutting power
  • Two dual-ram machines capable of cutting two parts at once, or two operations on the same part
  • The ability to cut virtually any machinable material, including stainless steel, plastic, magnesium and powdered metal
  • In-house tooling department, capable of manufacturing, sharpening, and reconditioning your tools, to preserve tool integrity and longevity

Vertical Broaching Advantages

  • Typically faster than traditional horizontal broaching methodology, without compromising length or size of cut
  • Machinery can be specifically matched to the part being cut, for a more efficient cutting operation
  • Well suited for cutting external shapes and forms quickly, while still holding close tolerances
  • Extremely economical cutting process, very often superior to milling
  • Tooling can be modular in design, allowing for variations of the same basic cutting pattern
  • Different cutting operations can be optimized on the same dual ram machine

Vertical broaching machines come in many varieties and adaptations, but in general any machine in which the ram is mounted vertically, instead of horizontally, is classified as a vertical broaching machine. In the case of surface broaching, the ram, which carries its broaching tools mounted in holders, typically moves past the piece part. The piece part is secured in a fixture using hydraulic or mechanical clamps. Some traditional vertical broaching machines are dual ram, meaning that there are actually two rams mounted on the same machine, and sharing the same hydraulic and mechanical systems. In many cases the part is secured in a shuttle table or swing table, so that the operator can load one piece to be machined, while the other ram is cutting another piece at the same time. Dual ram vertical broaching machines can also be used to cut two or more successive operations on the same part.

Vertical broaching machines can also be used to cut internal shapes and forms, and can perform very much like traditional horizontal machines. In each case either the piece part is secured while the broaching tool moves past it, or the broach itself is secured while the piece part travels on a table. The former type of machine can be either of the vertical pull-down or pull-up variety (referring to the motion of the broaching tool). The latter is typically referred to as a table-up vertical broaching machine.

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