Climbing frame punching machine Punch die tools can achieve greater corner flexibility.

Compared with the round punch, the four corner radius tool can make the small holes with larger edges smoother and punch fewer times.

For flexible fillet machining, the manufacturer can choose. A single 9-way fillet tool can provide 9 external common radii, ranging from 12 to 16 inches.

Automatic index programming selects and rotates the required radius to fillet all corners of the part.

In such applications, it is recommended to use a fully guided tool, because when only one side of the punch is used at a time, positive guiding action can provide the required support.

When specifying a custom radius for a fillet tool, work closely with the tool vendor. In order to obtain sufficient fillet performance, each radius shall include at least 90 degrees.

Radians (14 circles). In order to obtain adequate tool strength, the nose width between deep radius or radius groups should be at least 0.188 inch.

Any number of radii can be installed on the tool - the limiting factor is the size and strength of the tool.

1、 Small diameter hole: keep sharp

When making relatively small diameter or narrow holes, ensure that the tools are properly sharpened and maintained.

Generally, for unguided tools, it is recommended that the ratio of aluminum punch to material is 0.75:1, that of low-carbon steel is 1:1, and that of stainless steel is 2:1.

For example, if the material to be stamped is aluminum with a thickness of 0.078 inch, it is reasonable to stamp a diameter of 0.059 inch.

When using fully guided tools, the recommended ratio of punch to material is 0.5:1 for aluminum, 0.75:1 for low-carbon steel and 1:1 for stainless steel.

In the production of large diameter holes, although the station can use tools, such holes may exceed the capacity of the press, especially when punching materials with high shear strength.

Here, punching more than one hole can solve the problem. Using smaller holes on larger tools to grind the long perimeter can reduce the tonnage required by half or more without resorting to the entire periphery.

2、 Replacement of punch

Compared with the round punch, the four corner radius tool can make the small holes with larger edges smoother and punch fewer times.

In fact, the four radius tool can accommodate 8, 12, 16, and 20 inch diameters. Punching (or any diameter required) into one station.

Such a tool can make the larger hole smaller, but when the size of the hole exceeds the tool radius, a sector will appear.

It is recommended to use a fully guided tool, because its positive guiding role is Punching machine The required support is provided, and the stripper firmly clamps the paper to prevent lateral movement.