What type of cup should be avoided in vacuum systems to prevent damage to parts?

In vacuum systems, it is crucial to select the appropriate size of vacuum cups to ensure optimal performance and avoid potential damage to the components of the system. Vacuum cups that are too big can create several issues. When a cup is oversized, it may not generate sufficient vacuum pressure due to an increased surface area that needs to adhere to the workpiece. This can result in inadequate holding force, leading to parts slipping or being dropped during operation.

Additionally, oversized cups may create excessive stress on the vacuum system's components, such as the pump and hoses, as they work harder to maintain the necessary vacuum level. This strain can lead to premature wear or failure of the system components. Therefore, it is essential to choose vacuum cups that are appropriately sized for the specific application to ensure a reliable and safe operation.

By contrast, standard size cups, custom-made cups, or pneumatic cups can all be effective as long as they are correctly matched to the application's requirements. It is the size relative to the task that primarily influences performance and safety.