What is a blow molding machine
What is blow moulding? Blow moulding is also called hollow blow moulding, a rapidly developing plastics processing method. A tubular plastic parison obtained by extrusion or injection molding of a thermoplastic resin is heated (or heated to a softened state) and placed in a split mold. Immediately after closing the mold, compressed air is blown into the parison to blow the plastic parison. Swelling and close to the inner wall of the mold, after cooling off the mold, that is, all kinds of hollow products. The blown film manufacturing process is similar in principle to the blow molding of the hollow product, but it does not use a mold. From the perspective of the plastic processing technology classification, the blown film forming process is usually included in the extrusion. The blow molding process began during the Second World War to produce low-density polyethylene vials. In the late 1950s, with the birth of high-density polyethylene and the development of blow molding machines, blow molding technology was widely used. The volume of hollow containers can reach several thousand liters, and some productions have been computer controlled. Suitable plastics for blow molding are polyethylene, polyvinyl chloride, polypropylene, polyester, etc. The resulting empty containers are widely used as industrial packaging containers.
Blow molding machine classification
Blow molding can be divided into extrusion blow molding and injection blow molding according to the production method of the parison. Newly developed blow molding and stretch blow molding are newly developed.
Blowing machine works
After the liquid plastic is sprayed out, the blown-out wind is used to blow the plastic body into a certain shape of the mold cavity to make a product. Such a machine is called a blow molding machine.
The plastic is melted in the screw extruder and quantitatively extruded. Then it is formed through an oral film and then cooled with a fan ring. Then a tractor pulls at a certain speed and the winder winds it into a roll.
Introduction
Holter ECG Monitoring Systems adopt 12-lead system of international standard, which can continuously record ECG waveform for 24-hour and analyze ECG waveform by the PC software. It is applicable for use in medical institution and community.
Analysis Software Function
1.The rate of checking RR wave up to 99.9%, which increased the accuracy of analysis without losing wave.
2.AI histogram function which can directly distinguish various abnormal ECG which can analyze faster.
3. Dynamic ECG [Channel Correct" function, which can correct mistakenly wearing that makes the analysis more accurate.
4.Lorenz and Demix analysis function, which can analyze more faster, more accurately. Single medical case can be completely analyzed in 10 min, which can reduce the physician`s work.
5.ST can be displayed in many kinds of form, which ensures that analyzing ST- Trends Diagram comprehensively, observing the whole or partial ST variety to analyze the specific area of myocardial ischemia.
6.Atrial fibrillation function can be recognized automatically and can distinguish atrial fibrillation case, give advice and generate analysis report .
7.Unique Cardiac Fatigue Index function, which can judge index of Cardiac Fatigue .High-risk groups can be found and early intervention treatment can be taken by the index, which can effectively judge the heart age and predict SCD (Sudden Cardiac Death).
8. P-wave analysis function, which can check cardiac arrhythmia (such as AVB).
9.According to the requirement of patients, options can be selected freely while printing report, which can save physician `s time
10. ECG can be printed by various forms according to the user`s requirement.
11.Pacemaker analysis function, which can analyze different pacemakers(such as AAI,VVI,DDD).
12.The comprehensive analysis system of stand-alone version with network version ,users can freely select any model.
13.Wire and wireless simultaneously transfer mode ,which reduce complicated performance.
14. Dynamic ECG and static ECG analysis system ,which reduced complex operations.
15. Time Domain and Frequency Domain function on HRV module can reflect the moderation effect of sympathetic and parasympathetic to the heart rate.
16.HRT function can predict myocardial infarction which has clinical value.
17.ST function which can check the exact time and length of myocardial ischemia in 24 hours.
Holter Monitor,Holter 24 Hours,Holter Recorder,Holter Ecg Monitoring System
Changchun Yingwang Times Digital Co., Ltd. , https://www.ccsdsm.com