If you start to have a look at a program to provide the best-quality automotive elements on the highest yield charges—and throw a brand new materials into the combo—there are a plethora of particulars to think about that can influence the top deliverable.

Press Issues

If an OEM or tier stamper needs to put in an automatic system to stamp its giant automotive elements, it should first take into account all of the variables similar to basic press configuration, press stroke size, die house opening, interference factors, pace, tonnage and vitality required, and scrap removing.

Tandem or Switch

The OEM or tier stamper should first select the overall press configuration, similar to a switch press or press-to-press line.

A switch press requires all of the elements to be nested within the die earlier than biking the press. In a tandem line, the press can cycle as soon as the person element is nested within the die.

In a tandem line, the presses are synchronized by a variable press shift–usually 60 levels from one another in order that press 1 will attain backside lifeless heart first, then press 2 will attain backside lifeless heart 60 levels later, and so forth. The press center-to-center distance needs to be as brief as doable whereas nonetheless permitting press repairs and upkeep. This serves as a baseline for the press placement and all different element placement.

Press Stroke Size, Die House Opening

The press stroke size and die house opening must be sufficiently big to permit the elements to be loaded into the dies with stability. Typically, that requires switch automation with two arms, in addition to a large opening for the left-to-right die house.

If a single-arm switch is used, similar to a robotic, the automation will value much less, together with the price for the left-to-right press opening, as a result of will probably be smaller, however the trade-off is a much less steady element as a result of it might want time to settle and cease bouncing earlier than being positioned into the die. Full management of the element in the course of the switch from die to die, below acceleration, deceleration, and G forces, turns into vital.

Velocity, Tonnage, Power

The required press pace, tonnage, and vitality must be sufficient to provide on the required fee, and the slide movement, similar to a regular eccentric drive, hyperlink drive, or a servo-mechanical press, must be thought of. All different variable slide motions and numerous interference curves that come into play to accommodate the optimum slide interference/displacement curve should be thought of as effectively.

Interference Factors

A assessment of automation integration right into a press configuration ought to embrace taking a look at potential interference factors, similar to gib drip trays, oil return strains between the uprights, slide tracked automobile tracks, management swap brackets, air automation valve connections, and bed-mounted tools similar to bolster clamps. If interference is encountered, the OEM or stamper must design across the interference or relocate it to allow the required clearance utilizing a simulation instrument.

Scrap Elimination

In stamping operations, scrap removing typically is an afterthought. It’s greatest to design forward. Scrap shedding, each by means of the bolster and mattress, in addition to scrap doorways on the back and front of the press are must-have design options.

Automotive OEM Case Instance

An automotive OEM studied how to stamp its automotive physique panels, similar to hoods, doorways, fenders, physique sides, and most of the corresponding inside elements. The components have been to be shaped from each aluminum and metal.

Starting with the overall press configuration for the physique panels, the automaker selected to make use of a tandem line within the perception that this could be incrementally quicker than a switch press.

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