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A Crushing Equipment is a machine that uses mechanical energy to break blocks of stone, concrete, or other building materials into smaller blocks of a specific grain size. They are particularly used in the mining industry to reduce the size of ore blocks and facilitate their processing. Crushers are designed to receive blocks of a maximum size.…[Leggi tutto]

What is PCB?

Printed circuit boards (PCBs) are the boards that are used as the base in most electronics – both as a physical support piece and as the wiring area for the surface-mounted and socketed components. PCBs are most commonly made out of fiberglass, composite epoxy, or another composite material.

Most PCBs for simple electronics are s…[Leggi tutto]

A Capacitive Touch Screen is a display device that allows the user to interact with a computer using their finger or stylus. They’re a useful alternative to a mouse or keyboard for navigating a GUI (graphical user interface). Touch screens are used on a variety of devices, such as computer and laptop displays, smartphones, tablets, cash…[Leggi tutto]

A gripper is a motion device that mimics the movements of people, in the case of the gripper, it is the fingers. A gripper is a device that holds an object so it can be manipulated. It has the ability to hold and release an object while some action is being performed. The fingers are not part of the gripper, they are specialized custom tooling…[Leggi tutto]

Tube Mill Machine Lines produce pipe and tube by taking a continuous strip of material and continuously roll forms it until the edges of the strip meet together at a weld station. At this point, the welding process melts and fuses the edges of the tube together and the material exits the weld station as welded tube. Basic components include an…[Leggi tutto]

Nuts, bolts, screws, and washers

This chapter starts with tips on drawing hexagon nuts and hex bolts and comprehensively covers, using illustrations, tables of size and explanations on usage, the majority of metric fixings and fasteners used in engineering today i.e. screws of the Hexagon Socket type such as Cap Head Screws, Shoulder Screws,…[Leggi tutto]

Intraoperative Invasive Blood Pressure Monitoring and the Potential Pitfalls

Invasive intraarterial blood pressure measurement is currently the gold standard for intraoperative hemodynamic monitoring but accurate systolic blood pressure (SBP) measurement is difficult in everyday clinical practice, mostly because of problems with hyper-resonance…[Leggi tutto]

Understanding Laser Cutting

Laser cutting is a fabrication process which employs a focused, high-powered laser beam to cut material into custom shapes and designs. This process is suitable for a wide range of materials, including metal, plastic, wood, gemstone, glass, and paper, and can produce precise, intricate, and complex parts without the…[Leggi tutto]

The playing card factory

Our long, rich history began when A. O. Russell, Robert J. Morgan, James M. Armstrong and John F. Robinson Jr. formed a partnership and purchased from the proprietors of The Cincinnati Enquirer what was then known as the Enquirer Job Printing Rooms. The spaces occupied the first and second stories of the building at 20…[Leggi tutto]