Saturday, March 2, 2013




Broaching Machine


a metal cutting machine for working surfaces of various shapes with a tool known as a broach.
Used for working (broaching) internal and external surfaces, broaching machines are divided into those for general use and for special uses.
The working motion of such machines is the straight motion of the ram, which holds the broach, or of the item, if the broach is stationary.
Broaching machines are produced with either horizontal or vertical placement of the rams, which may number from one to six, and with single or multiple positions
A special group continuous broaching machines includes chain and rotary models.
The major parameters of broaching machines are the pulling capacity of the ram, which may reach 1 meganewton, and the stroke length of the ram, which may reach 2 m.
The cutting speed of general-purpose machines varies from 15 to 20 m/min and in special machines may reach 90 m/min.
The cutting speed in continuous machines ranges from 1.5 to 15 m/min.
The drive in these machines is usually hydraulic, but high-speed machines use electromechanical drive.
Broaching machines are used in mass production and in producing items in large lots. They provide high precision (classes 1–2) and low surface roughness on the worked surfaces (classes 8-10).
Broaching Machines Specialties (BMS) is a full service broach and machine company that has been specializing in broaching machines since 1960
BMS caters to multinational corporation as well as small manufacturing   ventures by offering new machines from our standard machine line, specially designed broaching system for unique broaching applications, remanufactured or used broaching machine from our stock of over 450 previously owned machines, production broaching services and parts and service for nearly every broaching machine manufactured in the US.
 Broaching has the positive advantages like high productivity and repeatable product quality.
 Productivity improvement to ten times or even more is not uncommon, as the speed of metal removal by broaching is vastly greater.
Roughing, Semi finishing and finishing of the component is done just in one pass by broaching, and this pass is generally accomplished in seconds. Thus Broaching has proved to be a most simple, highly productive cost effective and practical machining operation.
It requires lesser manpower, extending its use in wide fields of applications with exceptional savings on machine and tooling cost.
Broaching is highly productive Metal Cutting Process, in which the metal is removed by successive action of number of cutting teeth incorporated in the tool called Broach.