I have sorted out the seven common problems of the combination, and I hope I can help you. What occasion calibration?
Empty the material, set the machine weighing
sensor to zero, and put 1kg weight to each Hopper. If the Hopper shows a weight of 999-
Between 1001g, there is no need to calibrate. If there are several hoppers with weight deviation exceeding 5g, please calibrate the deviation over the big head or all weighing buckets.
Do not find that the weighing is not allowed to do calibration, easy to do useless work. 2. Why is AFC zero?
AFC = 1 or 2 means that the amplitude of the vibrating plate is automatically adjusted and can be basically turned off.
When the material fluidity is poor, this AFC is 0, which can avoid automatic adjustment caused by uneven material.
For materials with good fluidity, the debugged parameters will be easy to use without moving.
The customer asked if there is an automatic adjustment function, then we have it.
When the customer bought the scale, we recommend that the customer correct the AFC = 0. 3. Why the amplitude needs to be the same? (Suitable for most cases)
In the case of a certain amplitude difference between different vibration machines, the amplitude is the same, so that the material of each vibration will be different, the material weight in different hoppers has a certain dispersion in a certain range, which is beneficial to the combination. If the material weight of each bucket is adjusted to be similar by adjusting the amplitude, the difficulty of the combination will increase, because for scales, the weight of different hoppers is basically the same and there is no choice;
In order to facilitate customer communication, it is directly recommended to adjust to the same.
If the vibration machine difference is really large, it is necessary to adjust the dispersion of the Hopper weight to a certain range by adjusting the amplitude.
4. Why can't the upper deviation be too small?
The upper deviation is very small, such as 0.
1g, the lower deviation is zero, it looks very accurate, the actual performance is definitely not good, just like the distance between ideal and reality, the higher your requirements, the less ideal the result may be.
Because the upper deviation is very small, the most suitable hoppers of those weights are always selected, resulting in a smaller probability that those hoppers that are not selected will be selected. In addition, the weight in the remaining buckets is not very suitable, and it is often prone to heavy weight and overweight.
The result is low pass rate, large weight deterioration and slow speed. We need to analyze the reason with the customer.
To tell the customer, the smaller the upper deviation, the more accurate it is. The smaller it is, the only few special ones are accurate. Many others are not allowed. The reason is that several buckets with appropriate weight are combined into high precision, others are not suitable for weight, the result of the combination is very poor, the result is a few very accurate, most of them are very poor, this is not the effect we want.
Most of us want to be very accurate, for example, the accuracy of 90% is 1. Within 5g, that's fine. 5. Why can't the number of combined buckets be too small?
The number of combined buckets is too small, which means that there are fewer choices. For example, 2 buckets, from 10 heads, there are only 45 kinds of picking methods. If there are 3, there are 240 kinds of picking methods, the qualification rate is done, and there are more buckets. The weight of each bucket is small, and the discrete range of weight is small relative to the weight itself, which is easier to combine. 6. Why can't the combined bucket count be too much?
Each bucket will have its own weight deviation. The more buckets, the greater the total error, so we need to combine the number of buckets to correspond to the target weight range. 7. How does amplitude affect the number of combined buckets?
The larger the amplitude, the more material weight in each bucket, the lower the number of combined buckets;
The combined bucket number set in the parameter is used for automatic amplitude adjustment. If the amplitude is not automatically adjusted, the combined bucket number in the material parameter can be set directly;
What needs to be paid attention to is the number of combined buckets in the running interface, which is the actual number of combined buckets and the calculation of the qualified rate.