久久久久久久精品成人热小说,亚洲 欧美 激情 小说 另类,亚洲精品国产精华液,激烈 痉挛 抽搐 潮喷 MP4

News

Common faults and solutions of dispensing valves

Release Date:2017-07-30
Common faults and solutions of dispensing valves

1. Dripping occurs after the dispensing valve is closed.

This situation is mostly caused by the small caliber of the needle used. A needle that is too small can affect the flow of liquid and cause back pressure, resulting in dripping shortly after the rubber valve is closed. A too small needle can also affect the exhaust bubble action of the rubber valve when it is first used, and this problem can be solved by replacing it with a larger needle.
2. Inconsistent adhesive size.
When the dispensing is inconsistent, it is mainly due to the unstable pressure of the pressure cylinder or air storing the fluid. The intake pressure regulator should be set at a pressure 10 to 15 psi lower than the minimum pressure in the factory. The pressure used by the pressure cylinder should be above the middle pressure of the regulator, and it should be avoided to use a pressure between the low pressure part of the pressure gauge. The control pressure of the glue valve should be at least 60psi to ensure stable glue dispensing. Finally, the glue dispensing time should be checked. If it is less than 15/1000 seconds, it will cause unstable glue dispensing. The longer the glue dispensing time, the more stable the glue dispensing.
3. The flow rate is too slow.
If the flow rate is too slow, the pipeline should be changed from 1/4 "to 3/8". If there is no need, the pipeline should be as short as possible.
4. Bubbles inside the fluid.
If the fluid pressure is too high and the valve opening time is too short, air may seep into the liquid. The solution is to reduce the fluid pressure and use a conical inclined needle.
5. Instant glue (quick drying glue) blocks the glue valve joint and pipeline.
This situation is mainly due to excessive moisture or repeated use of instant glue. It should be ensured to use fresh instant glue, thoroughly clean the pipeline with acetone that does not contain moisture, and ensure that the air used is completely dry. A filter should be installed between the air pressure and the glue valve system in the factory. If the above methods are still ineffective, nitrogen should be used
展開
国模无码一区二区三区不卡| 国产寡妇xxxx猛交69| 成年丰满熟妇午夜免费视频 | 国产在线无码精品麻豆不卡| 男女做爰猛烈动高潮a片免费应用| 亚洲欧美suv精品| 色一情一乱一伦一区二区三区日本 | 黑人40厘米全部进去a片| 无码人妻精品一区二区蜜桃在线看 | 惩罚小核不停高潮h| 日本护士撒尿xxxx| 小小水蜜桃在线观看视频| 亚洲码国产精品高潮在线| 国产精品久久久久影院老司| 女特警被三四个黑人糟蹋| 无码AV大香线蕉伊人久久| 最新中文字幕AV专区| 教子做爰xxxx| 国产精品视频23区AV| 亚洲AV无码国产精品色| 丁香色欲久久久久久综合网| 国产亚洲精品aaaa片小说| 小莹客厅激情1章至50章视频| 男生把手放进我内裤揉摸好爽 | 精品久久人人做人人爽综合| 老公一到晚上就日不停| 少妇被又大又粗又爽毛片久久黑人 | 奶头被教练摸得受不了| 久久8精品亚洲AV无码| 挺进毛还没长稚嫩的小花苞网种 | 日本夜爽爽一区二区三区| 少妇人妻偷人精品无码视频| 日本少女漫画| 不许穿内裤随时挨c| 小sao货cao得你舒服吗男男| 99热这里只有精品| 嫩模自慰一区二区三区| 公交车强摁做开腿呻吟h视频| 特黄三级又爽又粗又大| 女女女女BBBBBB毛片在线| 熟妇高潮一区二区三区|