Patent ID: 7929136
Filing Date: 2011-04-19
Classification: B23Q,G01N,Y02P

Abstract:
1. A mist measuring apparatus comprising a housing, a light source that is provided in said housing and emits a visible ray to a misty cutting fluid, an optical sensor that is provided in said housing and receives scattered light from said misty cutting fluid, and an observation part that is provided in said housing and made up of a transparent window for observing said scattered light from said misty cutting fluid, in which said optical sensor is provided laterally to an optical path of outgoing light from said light source, and an ejected quantity of said misty cutting fluid is measured based on a quantity of received light in said optical sensor, wherein said housing is provided around an ejection part of said misty cutting fluid to block off outside light and make an inside thereof a dark room, a cylindrical reflection preventer is provided ahead of said light source to prevent said outgoing light from reaching directly to said observation part and said optical sensor, a cylindrical light receiving path tube is provided ahead of said optical sensor, projecting toward the optical path of said outgoing light to make less outgoing light enter said optical sensor, and said scattered light passes through said light receiving path tube and is received by said optical sensor.