2results about How to "Guaranteed inspection accuracy" patented technology

The utility model discloses a kind of electric heat plug hole depth gauges, including gauge main body, the gauge head portion of gauge main body front end being arranged, the outer diameter of gauge head portion is less than the outer diameter of gauge main body, and step is formed between gauge head portion and gauge main body.Electric heat plug hole size is same, so direct electric heat plug hole depth gauge can inspect the electric heat plug hole depth of any cylinder cover.Gauge is directly inserted into electric heat plug hole, and it is eligible if coinciding smoothly, otherwise unqualified.The utility model can guarantee cylinder cover electric heat plug hole inspection efficiency and accuracy, and does not produce abrasion, guarantee production rhythm.

The application provides a kind of verification equipment and verification method for MEMS sensor, it is related to MEMS sensor verification equipment technical field.Verification equipment includes shell, test mechanism, driving mechanism and signal output unit, the sealed cavity is formed in the inside of shell, test mechanism is located in sealed cavity and includes center axis and multiple two two opposite connecting arms, the inside of each connecting arm is formed with gas pipeline, gas pipeline is configured to controllably pass into gas, one end of each connecting arm is connected with center axis, the other end is equipped with test seat, test seat is used to install MEMS sensor, driving mechanism is connected to the center axis of test mechanism, driving mechanism is set to drive all connecting arms of test mechanism to rotate around center axis by preset angle, signal output unit is connected with the MEMS sensor currently connected on test seat and is used to output the detection signal of MEMS sensor.The verification equipment of the application can realize the verification of multiple types of MEMS sensors by controlling different verification conditions, and the structure is simple, the cost is lower.