[ Instrument Network Instrument Development ] Recently, the Guangdong Provincial Party Committee and the Provincial Government held the 2019 Guangdong Science and Technology Innovation Conference in Guangzhou. The Provincial Party Secretary Li Xi attended the meeting and delivered a speech. The Governor Ma Xingrui presided over the meeting and the conference awarded the 2018 Guangdong Science. Technology Award, Guangdong Province Special Equipment Inspection and Research Institute Zhuhai Testing Institute "Escalator safety testing complete sets of key technologies and instruments industrialization" won the second prize of Guangdong Science and Technology Progress.
After 10 years of this award-winning project, we will carry out the key technology research and instrument industrialization of escalator safety testing for large-scale and escalator safety involving sudden public safety accidents, and carry out system for safety accidents of all series of escalators. In-depth analysis, study the simulation and quantitative detection of overspeed and non-manipulation reversal conditions in escalator safety detection, additional brake action detection, synchronous detection of braking distance and braking deceleration, accurate detection of step speed and handrail belt synchronization, step and A set of key technologies such as dynamic measurement of safety gap and hidden danger positioning of apron board, rapid detection of apron strength, etc., firstly proposed four kinds of detection methods, such as overspeed and reverse protection function simulation detection based on frequency conversion technology, and led the establishment of complete escalator safety detection. The standard system has formulated 8 standards including national group standards (recognized by the Ministry of Industry and Information Technology, 100 national excellent group standards application demonstration projects), provincial local standards and enterprise standards, and developed 5 series of 8 models of series testing instruments. Acquired Chinese invention patents (one of which was awarded China) A total of 25 domestic and foreign interest Excellence Award), American and Japanese patents, including patents, published 13 papers, have complete independent intellectual property rights. Three of the sub-projects of the project have passed the appraisal and have reached the international advanced level.
The results of the project series have been fully industrialized and extended to more than 150 cities in 31 provinces (autonomous regions and municipalities directly under the Central Government), covering more than 70% of the national escalator testing, creating significant economic and social benefits. The promotion and application of the project's technical achievements in the country has played an important role and positive significance in adjusting the industrial structure of the escalator manufacturing, improving the quality of the escalator in China, maintaining the quality of maintenance, and detecting the accuracy, eliminating hidden dangers from accidents and reducing the probability of accidents. The safety and happiness of the people riding the ladder.
(Original title: Zhuhai Testing Institute's scientific research achievements won the second prize of Guangdong Science and Technology Progress Award)
Manifold Filter, Spray guns contain filters that help provide a cleaner spray out of the gun tip. Here are some Spray Gun filter questions we`ve answered in the past, more than once.
1. What does a spray gun filter do?
The filter, which typically resides inside the handle of the gun, filters the paint one last time before it leaves the spray gun. The gun filter prevents debris from entering the tip. Preventing debris from entering the tip helps eliminate blockage, and therefore downtime, and keeps the spray surface clean.
2. Are there different types of filters? Which should I choose?
In general, the main difference in spray gun filters is in the screen size. You`ll want to choose a finer screen mesh for lacquers and fine finishes. A larger mesh can be used for latex paints.
3. How often do gun filters need to be replaced?
This can vary, too, depending on the amount of [trash", larger unwanted particulates, and the size of the mesh of your filter. Fine filters will need to be replaced more often. Why not clean them? Well, you can clean a filter, but generally these filters become so clogged over time that it is not worth the amount of work, and time, to clean them. It`s usually easiest to replace.
4. How often do gun filters need to be cleaned?
It is recommended that you clean the gun filter every time you clean your sprayer. This will give you the longest life for your spray gun filter. Eventually, though, you will have to replace the filter. Filters don`t wear out, as their made of stainless steel that prevents rust and corrosion, but they do accumulate trash and waste, despite the best efforts to keep them clean.
If you`re using an extremely fine mesh filter there is a chance that you could need to clean the filter during a job. The easiest way to tell a filter needs to be cleaned, during spraying, is the spray gun`s reversible tip begins to clog on a constant basis.
5. What would happen if you used the wrong filter for the tip?
It`s important to use the right filter mesh for the paint you`re spraying. If you use a wide mesh with a tip too small you`ll have a tip that constantly clogs. Using a fine mesh with a wide open tip you`d run into paint flow restriction. This can put unwanted stress on the sprayer, possibly reducing its lifespan.
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