The outer diameter micrometer is a micrometer, it is more precise than the vernier caliper length measuring instrument, micrometer axis through the modern grinding machine processing, the thread profile accuracy is very high, the outer diameter micrometer application is very wide, often used for measuring use, this article for everyone to introduce the outer diameter micrometer measurement error type and the causes of analysis, I hope it can help you. 

Outside diameter micrometer measurement error type and the reasons for analysis

1, the error caused by human reasons 

In the measurement work, many operators have not obtained the relevant induction certificate, the structure of the micrometer, principles and so on are not familiar with, so in the actual measurement will have force too hard and other unreasonable operation or in the measurement before the calibration, etc., resulting in the measurement error. And in the use of improper storage, or not to clean, maintenance and other work, over time the precision parts of the micrometer will produce rust and corrosion and other phenomena. This error can be avoided by improving the quality of the operator, set the operator access threshold, and the corresponding rules and regulations to restrain the way. 

2, the system error of the production

The system error of the outer diameter micrometer refers to the measurement of the same measured object under the premise of consistent conditions, the size of the error has been the same, or in accordance with a certain rule of error change, for example, when the micrometer zero calibration is not accurate, no matter how to measure the number of signs do not change, so the error is unchanged, this system error is called fixed value system error. When a tooth of the gear in the indexing disc is damaged, it will cause the measurement error to change according to the law of sine, this error is called variable value system error, generally speaking, if the error is caused by incorrect calibration of the zero position, you can experimentally compare or calculate the correction value, and then add or subtract the correction value from the measurement value to eliminate the way, but in most cases the system error is not predictable and judgment, so It is generally considered to be an error that cannot be eliminated.

 3、Random error 

Random error refers to the same measurement conditions, the same object to be measured several times to get the measurement results are inconsistent, manifested as the size of the error and the positive and negative can not be predicted and judged, the reason for this error is due to the role of various chance factors. Because of its unpredictable nature leads to this kind of error generally can not be eliminated, can only expect to use reasonable means to reduce the impact of the error on the measurement results. 

The above is a small introduction for everyone's OD micrometer measurement error types and the causes of analysis, I hope it can help. If you have other aspects want to understand, you can come to consult us.

The outer diameter micrometer is a micrometer, it is more precise than the vernier caliper length measuring instrument, micrometer axis through the modern grinding machine processing, the thread profile accuracy is very high, the outer diameter micrometer application is very wide, often used for measuring use, this article for everyone to introduce the outer diameter micrometer measurement error type and the causes of analysis, I hope it can help you. 

Outside diameter micrometer measurement error type and the reasons for analysis

1, the error caused by human reasons 

In the measurement work, many operators have not obtained the relevant induction certificate, the structure of the micrometer, principles and so on are not familiar with, so in the actual measurement will have force too hard and other unreasonable operation or in the measurement before the calibration, etc., resulting in the measurement error. And in the use of improper storage, or not to clean, maintenance and other work, over time the precision parts of the micrometer will produce rust and corrosion and other phenomena. This error can be avoided by improving the quality of the operator, set the operator access threshold, and the corresponding rules and regulations to restrain the way. 

2, the system error of the production

The system error of the outer diameter micrometer refers to the measurement of the same measured object under the premise of consistent conditions, the size of the error has been the same, or in accordance with a certain rule of error change, for example, when the micrometer zero calibration is not accurate, no matter how to measure the number of signs do not change, so the error is unchanged, this system error is called fixed value system error. When a tooth of the gear in the indexing disc is damaged, it will cause the measurement error to change according to the law of sine, this error is called variable value system error, generally speaking, if the error is caused by incorrect calibration of the zero position, you can experimentally compare or calculate the correction value, and then add or subtract the correction value from the measurement value to eliminate the way, but in most cases the system error is not predictable and judgment, so It is generally considered to be an error that cannot be eliminated.

 3、Random error 

Random error refers to the same measurement conditions, the same object to be measured several times to get the measurement results are inconsistent, manifested as the size of the error and the positive and negative can not be predicted and judged, the reason for this error is due to the role of various chance factors. Because of its unpredictable nature leads to this kind of error generally can not be eliminated, can only expect to use reasonable means to reduce the impact of the error on the measurement results. 

The above is a small introduction for everyone's OD micrometer measurement error types and the causes of analysis, I hope it can help. If you have other aspects want to understand, you can come to consult us.