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What factors affect the accuracy of capsule counting machine?

August 5, 2019

Capsule counting machine is a kind of machine which is used in pharmaceutical, hospital, food and other industries to count capsules and other drugs or food.This machine is small in size, light in weight, accurate in counting and easy to operate.The contact surface of counting items is made of stainless steel, which is an ideal special equipment for counting products in bottles, bags and cans.



Human factors


The operator did not preheat the machine before starting it according to the operation instruction.Or during the operation of the machine, if the operator fails to timely replenish the materials in the stock bin, which will affect the separation state of the materials on the oscillating plate, the product count will be inaccurate.


The machine factors


For example, the silo design does not consider the change of gravity, which will affect the material flow and material order in the oscillating plate.The drop of the memory baffle to the granulating shield is too large, the material falls too long, the material rotates in the granulating shield and cannot fall into the packaging bottle in time, which leads to the inaccurate count of grains;Capsules capsule counting machine fall grain of shield USES is organic glass materials, materials from channel free fall detection in electrostatic shield in the high speed rotating friction, or some of the Chinese native medicine ingredient will generate static electricity, in the process of friction material by adsorption on the fall grain of shield to make it effective for reducing fall on the bottle, can cause several grain is not allowed.


In addition, during the installation and adjustment of the machine, the oscillating plate will adjust its forward tilt horizontally, so that the material will naturally slip into the detection channel when the oscillating plate stops vibration, which will also cause false count.


Material factors


The oscillating frequency of the three-stage oscillating plate for producing capsule, tablet and pill is completely different.Or the production of tablets and capsules due to the material with more dust, dust accumulation in the detection channel infrared shielding, so that the counting circuit can not work normally.


The environment


The quality of the compressed air affects the accuracy of the count.The compressed air with large moisture content has a great influence on the sensitivity of the cylinder of the actuator. Once the sensitivity of the cylinder decreases, the accuracy of counting cannot be guaranteed.


Parameter setting


The setting size of the storehouse gate, the setting of the oscillating frequency of the three-stage oscillating plate, the setting of the product length and small parameters, the setting of the expected number, the setting of the counting speed, the setting of the separation speed all affect the accuracy of the capsule counting machine.


Cylinder sensitivity decrease


As the executive component of the capsule counting machine, the speed of reaction time directly affects the accuracy of counting.The main reasons for the decrease of cylinder sensitivity are: moisture content in compressed air, non-cylinder special grease, impurities into the cylinder, cylinder seals wear and leakage, etc.