Broaching machine: a review, model, specifications, usage characteristics,

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2020-04-23 21:20:16

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The Device broaching machines is fundamentally different from the equipment which performs the functions of crushing, milling, countersinking and planing. In this method the mechanical impact may be the same as the aforementioned processing operations, however, the principle of exerting effort in this case is different. In some aspects broaching machine provides higher productivity, but structural features do not allow its use at the enterprises in droves.

broaching machine

Overview of broaching machines

The Technology of drawing in concept, the mechanical impact corresponds to the traditional and most common types of equipment for Metalworking. The difference is in the terms of the execution of this operation. For example, horizontal broaching machines allow high precision processing of inner surfaces of various workpieces. This equipment is used for the formation of special chamfers in difficult places.

Often surgery of a stretch in terms of production serial production is the final stage of manufacture, following the more usual kinds of processing by milling or countersinking. Another feature, which is different broaching machine is the use of specific cutting elements. This so-called pullback, which have direct mechanical effects on the material.

horizontal broaching machines

Specifications

One of the drawbacks of these machines believe the size. Usually, this extra long platform that holds the workpiece. Sizing is on average around 2 m in length, 0.5 m in width and 1.5 m in height. However, the configuration may be different – respectively, and are different sizes. Mass is about 500 kg, so before installation it is useful to provide a reliable Foundation basis. From the point of view of performance, both speed of pulling, that is, processing. For example, the broaching machine from company, “Flexible connections” in the modification of SGP.12.35 provides a work rate of 220 mm/min. in Other words, in one minute equipment can perform the cutting of the inner surface with a length more than 20 cm it should be taken into account and the maximum treatment area, since in most cases run the same cut lines in the two approaches is technologically unacceptable. The average length of single service varies from 4 to 5 p.m.

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Varieties

broaching machine is a vertical

Distinguish between horizontal, vertical and continuous broaching modification. The first, already noted, is structural simplicity, making it suitable for typical operations on formation of straight linear cuts of different depths in the profile. Harder on your device, broaching machine vertical. This, in essence, the same horizontal base, but only mounted in a vertical position, which gives several advantages. First, it eliminates the risk of sagging of long broaches, and secondly, there is the possibility of increasing productivity through expanding production lines. As for machines with a continuous past, they are mainly used for processing pass-through exterior surfaces. They are distinguished by better performance and the ability to service the workpieces under high volume production.

Where to use the machine?

machining with the broaching machines

The specifics of the processing engine causes the custom requirements and get the result. Accordingly, the use of the finished product is not the most common. For example, they are used in the manufacture and refinement of firearms. For such operations planing-broaching machines, which produce the barrels of the guns and pistols. Also, this machine is used in the production of complex profiles, exterior trim, cutting grooves, keyways and splines, as well as in calibrating a multi-faceted and cylindrical holes. A common feature of all types of broaching machining are ample opportunities to work with curly cuts, and in difficult conditions. In addition, the machine can be used for non-metallic and solid-state materials. The fact that the ability of atypical processing of workpieces with high properties of stiffness and hardness is determined by the elements of mechanical action, that is pulling. And they themselves may have different characteristics.

Manufacturers and models

broaching machines

A Wide range the company offers “Giant”. In his assortment of modifications broaching machines 7А523, 7А612, 7555 etc. the Models differ in speed of processing, tractive effort, power, size, and other characteristics. Among foreign manufacturers ' confidence was won by the firm HOFFMANN Raumtechnik, which deals not only with the development of classical models with vertical and horizontal location of the line processing. In her collection, you can find specialized broaching machines. Series RAWX-M, for example,designed specifically for finish grooving and gearing. Modification of RASA-M is characterized by the presence of four tracks designed for the processing of spherical grooves of different couplings. For specialized needs, you can look and the right model in the collection of the Yaroslavl manufacturer Forst Technologie, known for a thorough approach to the production of broaching cutting tools special design.

The cost of the machine

broaching machine price

The Average price range for broaching machines is 2-3 million rubles In this segment you can find the simple horizontal model, and complicated modification of the vertical type. By the way, more expensive it vertical broaching machine. Price 7А612 from the factory “Giant”, for example, is about 2 million But that lower price bracket, since the bulk of the equipment is still implemented 2.5-3 million Is a high-tech industrial equipment, which is not just high quality, but also an ergonomic control systems. Suffice it to say that the latest models from major manufacturers are more likely to receive electronic remote control.

Operation properties

From staff require the placement of the workpiece in the working niche equipment. Further, after starting, starts the process of processing. A key feature of the functioning of these machines is the fact that the working elements in the form broaches do not remove swarf immediately after cutting, and push it only after final exit from the body of the workpiece. Therefore, the range of tasks of the operator widens due to the need to track how well executed machining. For broaching machines of vertical type, the risks of deviations and incorrect cutting lines are not so high because of the long bend of the workpiece due to its own weight.

planer-broaching machines

Conclusion

In some areas, the use of metal, you notice the similar requirements for performing working operations on a broaching and conventional turning machines. It is obvious that second guessing less hassle to maintain and generally cheaper content. However, broaching machine itself can justify as a universal equipment. If these machines can deal with the typical common tasks, and processing for specialized technical tasks, the standard milling units, for example, implements only its own limited range of action. However, lingering equipment has its limitations, but the segment itself is very wide possibilities of processing – the main thing is to compare the features specific modifications to the requirements of the technical tasks of production.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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