KEYWAY MILLING Keyways are grooves of different shapes cut along the axis of the cylindrical surface of shafts, into which keys are fitted to provide a positive method of locating and driving members on the shafts. A keyway is also machined in the mounted member to receive the key.
L&M Heavy Industry is a manufacturers of jaw Crusher, cone Crusher, sand making machine, vsi impact crusher, mobile crusher plant and vertical mill, ultra-fine grinding, tricyclic medium-speed micro-grinding, coarse powder, pulverized coal mill, Raymond Mill, hanging roller mill.
Lock (security device) - Wikipedia. A lock is a mechanical or electronic fastening device that is released by a physical object (such as a key, keycard, fingerprint, RFID card, security token, coin etc.), by supplying secret information (such as a keycode or password), or by a combination thereof.