How to Calculate Pressure Die Casting Tonnage?

How to Calculate Pressure Die Casting Tonnage?

When you’re trying to figure out how much pressure die casting requires, you have a few things to consider. You’ll want to know the Clamping force, the molten metal’s temperature, the length of the process, and the material being used. After you know these factors, you’ll be able to calculate the amount of pressure necessary for the casting process. Keep reading for some quick tips to determine how much pressure you’ll need.

Clamping force

To determine the correct clamping force for a pressure die casting process, you must know the dimensions of the part to be cast. To do this, you must measure the projected surface area of the part. Then, you should multiply that by the clamping force. You need a clamping force of at least 1.1 times the clamping force of the machine that opens the mold. If the force is too high, you may experience flashing or over-sized parts, which are a serious problem for actual production.

When using the formula for clamping force, you must also account for the separating force of the core. The separating force is caused by the injection of molten metal into the mold. The pressure on the plunger causes the injection of the molten metal into the die. The specific injection pressure is the pressure generated by the shot plunger. Then, you must multiply the clamping force by the projected surface area of the casting. The result is the projection area, which is the area of a three-dimensional object in a two-dimensional plane.

Temperature of molten metal

The process of pressure die casting has two major phases. The first phase is the molten metal entering the die cavity. Once the cavity is filled, the molten metal will continue solidifying. The second phase is the opening of the die after the casting has solidified. The total amount of time it takes to solidify the casting depends on the material density and the size of the die. This process is also known as the “warm up” phase.

The temperature of the molten metal during the die casting process varies widely. The temperature varies from 150 to 250 degrees Celsius. During the cold shot and cold flow processes, the molten metal is 650-660 degrees Celsius. The high temperatures of the molten metal will soften the die steel and may even erase the original heat treatment of the surface. To reduce the impact of the temperature fluctuations, the die must be pre-heated before the casting process begins.

Length of process cycle

The length of process cycle is a significant consideration when calculating the pressure die casting tonnage. During the casting process, molten metal is injected into the dies. As the molten metal cools, it solidifies. This solidification is followed by a trimming process. The length of the process cycle depends on the size and complexity of the die. In some cases, a trimming press is used to remove excess material. The trimming scrap is discarded or reused in the die casting process. However, if the part is not recycled, it will have to undergo reconditioning or alloying with non-recycled metal.

When calculating pressure die casting tonnage, the process is typically done in two steps. First, the die material is selected. Tool steel is the most common metal used in dies. The tool steel used for dies is typically high-grade and has a 100 to one-hundred-hundred-thousand-five-thousand-hundred-hundred-hundreds of cycles. Low-carbon steels are more resistant to cracking than high-carbon steels. Vanadium and tungsten are also common metals.