Plate Chamfering Machine

Plate chamfering machines are usually used to prepare the ends of the plates to be welded. In some cases, the steel plate is so thick that it is impossible to obtain a good weld without welding preparation or chamfering. Usually, it is necessary to chamfer a plate with a thickness greater than 4 mm before welding, but what is it actually? A chamfer is an oblique shape that needs to be formed on one or both sides of the plate. There are many reasons for chamfering the edge of the workpiece. The most important reason is to remove sharp material edges, which may be formed during several sheet processing. For example, if a metal plate is cut to a certain size by shearing, only a certain part of the material thickness is actually cut. The remaining part is torn off due to high shear forces. This will produce sharp burrs, on the one hand, there is a risk of injury, on the other hand, it will impair assembly accuracy during further processing.This is where plate chamfering machines come in very handy.

Advantages of Plate Chamfering Machines

By chamfering, not only can the edge of the material burrs, scale and slag deposits be eliminated. The plate chamfering machine also improves the visual characteristics of the plate, and because of its high precision, it also simplifies the connection of several subsequent parts to form a welded structure. If the workpieces must be welded together at a specific angle, if the edges of the material to be chamfered can be chamfered, it is easier to position them, because the chamfer can be used as a guide, so it is easier to meet the required dimensional accuracy. The hand-held manual guide plate chamfering machine is very suitable for shorter plate lengths. However, one disadvantage of manual plate chamfering machines is operator fatigue.

Chamfering a long plate with a handheld machine requires the operator to constantly lean the machine against the edge of the plate while pushing the machine forward along the plate. In the case of chamfering long plates, considering the operator's time and energy, multiple workers are assigned to the same project and work in shifts. This increases the time and cost of the project.

New Plate Chamfering Solutions

The new generation of portable steel plate chamfering machine can automatically chamfer steel plates of unlimited length with little supervision of the operator. These self-propelled machines are designed for printing plates up to 1.5 inches thick, and can handle the top and bottom edges of the printing plates in the workshop or on the job site. These automatic guide plate chamfering machines have automatic feed and return functions, can be directly installed on the plate, and have a continuously adjustable angle of 15 to 60 degrees, and the maximum cutting edge width is 13⁄16 inches. No carts or shelves are needed. Manufacturers no longer need to rely on expensive cutting tables to provide the correct chamfered edges. Hand-held tools have been developed to provide similar results.

Tool Life Considerations

If it is difficult for you to start chamfering on a plate chamfering machine, this is an important sign that the tool is dull. The milling inserts can be indexed, allowing you to grind three or four working surfaces on a single insert. A plate chamfering machine with a guide plate can help position the cutter along the edge of the plate. With today's latest technology, most blades are now coated to help protect the tool and produce better edge quality. Some large stationary power tools can automatically apply lubricant to the chamfered edge, and technicians can manually apply lubricant for use with hand-held power tools. But in practice, this is not a good choice because paint preparation or other downstream operations require cleaning of the workpiece. The time it takes to clean the workpiece correctly may cost more than simply staying on the chamfering tool for a shorter life. If the blade wears prematurely, the depth of cut may be too large.

More cutting operations may be required to complete the chamfer. Some difficult grades may require a higher pass rate than others. Excessive cutting on hard materials such as stainless steel with a flat chamfering machine will cause enough frictional heat to harden the surface. Of course, a cut that is too shallow may require too many passes to complete the chamfer. The longer life you save may be lost due to reduced productivity. A similar idea applies to the feed rate. If the feed speed of your plate chamfering machine is slightly slower, the blade may last longer, but it will reduce productivity.

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