2012年10月28日 星期日

Calculate the returns on automation

Automation is a word that immediately comes to mind when we think about improving productivity and profitability in the manufacturing sector.

When considering whether the purchase of a piece of automation equipment such as a CNC router makes sense, price alone does not tell the whole story.

Profile cutter automation earns returns in various ways, some of which will be more or less valuable to different businesses, and all of the returns on automation deserve to be figured into the analysis.

Of course, the absolute pinnacle of automation is the chance to keep producing while the machine is unattended.

But even if this is not the immediate goal, there can be wide ranging benefits for extending your CNC cutting machine with an automated sheet loading system.

Although this might make the CNC router seem more expensive, it can quickly bring returns on investment through improved productivity in a number of areas.

A plant that depends on operators to load its machines has to add both machines and people in order to increase its volume.

Moreover, for large, heavy part applications two or more operators may be required in order to load and unload the part to and from the machine. However, a business that uses at least some automation can add machines without necessarily adding people, making it that much easier to quickly respond to increasing demand.

In general and in particular for parts with short cycle times, the principle reason to automate is productivity. If the sheet is relatively lightweight, an automated system is likely to load and unload the blanks and sheets faster than a human being can, and this loading time advantage will accumulate over time.

The ART automatic sheet loader allows automation of the production process straight from the pallet, which means there is no operator intervention when lifting from the material stack to the machine.

Most materials and thickness can be handled by the automatic loader. The sheet loading system includes an automated scissor lift which automatically elevates a whole pallet of material to table height.

This is integrated with the CNC router gantry which includes a powerful lifting arm fitted with automated vacuum cups. While the machine is doing its work, the sheet lifter positions the next sheet on the loading station behind the machine’s table.

In conjunction with the CNC controller, the arm automatically picks up the material from a designated area and transports it safely onto the machine table.

The unit positions the sheet against the side and back stops and then automatically starts the CNC cutting process. With the sheets lifted off the pack using vacuum, there is no damage to sheets or the machine, which can happen with manual handling.

After cutting, the optional pusher bar can also unload the cut panels onto an unloading table or conveyor system. The pusher can also be fitted with a vacuum cleaning head to extract any loose particle from the base board to retain optimum vacuum hold-down on subsequent jobs.

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