Để đảm bảo hoạt động liên tục, hiệu quả của máy móc, thiết bị góp phần quan trọng trong việc duy trì tính ổn định quy trình vận hành sản xuất của các doanh nghiệp thì việc bảo trì bảo dưỡng hệ thống máy móc là việc làm rất cần thiết. Tuy nhiên cân nhắc lựa chọn loại hình thức bảo trì để có thể tiết kiệm chi phí mà vẫn đảm bảo thiết bị hoạt động tốt luôn là việc khó khăn đối với các nhà quản lý thiết bị.
1. 3 phương pháp bảo trì phổ biến tại Việt Nam
Hiện nay có 3 phương pháp phổ biến được áp dụng để bảo trì máy móc thiết bị:
1. Bảo trì máy móc thiết bị định kỳ:Dựa trên những thông số kỹ thuật của nhà sản xuất và tình trạng sử dụng thiết bị để đưa ra kế hoạch bảo trì và thay thế các chi tiết máy theo lịch cố định.
2. Sửa chữa, bảo trì sau khi máy móc/thiết bị bị hỏng: Sử dụng máy cho tới khi hỏng và chỉ thực hiện các công tác bảo dưỡng đơn giản như tra, thay dầu mỡ, sửa chữa, tân tạo lại máy sau khi hỏng.
3. Bảo trì theo tình trạng máy:Tình trạng máy sẽ được kiểm soát định kỳ. Chỉ lên kế hoạch dừng máy để xử lý dung sai (ví dụ độ lệch tâm hay mất cân bằng), hoặc thay thế, sửa chữa sau khi chẩn đoán chính xác tình trạng máy trước khi máy hỏng.
Việc xem xét để đưa ra phương pháp bảo trì phù hợp cho từng loại máy móc là không hề đơn giản khi phải tính đến những yếu tố như thời gian sử dụng máy, vai trò sử dụng của máy, chi phí bỏ ra khi mua máy móc,…
Trên thực tế, những chi phí bảo trì gián tiếp gây ra do thiết bị hư hỏng đột ngột, thiệt hại do tuổi thọ máy giảm, thiệt hại về năng suất, thiệt hại do an toàn và môi trường lao động kém,… lớn hơn nhiều so với chi phí bảo trì nếu như phát hiện sớm và ngăn ngừa hỏng hóc xảy ra.
2. Bảo trì phòng ngừa - giải pháp bảo trì hiệu quả tại Việt Nam
Kết hợp bảo trì dựa trên tình trạng máy và bảo trì định kỳ hay còn gọi là Phương pháp bảo trì phòng ngừa (PM) sẽ giúp giải quyết vấn đề này.
Bảo trì phòng ngừa (Preventive maintenance – PM) là phương pháp bảo trì cân bằng giữa 2 yếu tố: thời gian bảo trì thiết bị định kỳ và việc kiểm tra theo dõi thiết bị, hoạt động PM sẽ kết hợp bảo trì với việc lưu giữ thông tin thiết bị. PM sẽ lưu giữ thông tin về các bất thường được tìm thấy của thiết bị từ đó dự đoán trước để ngăn chặn hỏng hóc và lỗi máy trước khi chúng xảy ra bằng cách thực hiện theo thủ tục bảo trì thường xuyên và toàn bộ. Mục tiêu là ít hơn, thời gian ngắn hơn và có thể dự đoán được hỏng hóc phải ngừng máy.
Những lợi ích của Bảo trì phòng ngừa (PM)
Khi thực hành đúng cách, PM sẽ ngăn ngừa hầu hết các vấn đề lớn, do đó giảm ngừng máy đột ngột, giảm chi phí thay thế phụ kiện, bảo trì khi máy hỏng.
Đảm bảo thiết bị đang được hoạt động tốt, không ảnh hưởng tới sản xuất.
Kéo dài chu kỳ sống của thiết bị và các phụ tùng thay thế cho thiết bị.
Tuy vậy, Bảo trì phòng ngừa cũng có 1 số hạn chế
Tốn một chi phí tiền bạc và thời gian nhất định.
Không cân nhắc điều kiện thực tế của thiết bị khi lên kế hoạch và thực hiện bảo trì.
Hư hại thiết bị khi bảo trì không đúng cách.
Trong nền sản xuất công nghiệp hiện đại, Bảo trì phòng ngừa đã được chứng minh giúp tối ưu chi phí khi chỉ phải bỏ ra một khoản chi phí về tiền và thời gian có giá trị nhỏ so với những lợi ích thu được một cách gián tiếp khi ngăn ngừa hỏng hóc. Hơn thế nữa, Bảo trì phòng ngừa sẽ đảm bảo độ tin cậy của thiết bị và là phần quan trọng nhất trong công tác bảo trì thiết bị.
I have to say that the person Li Qingde found is really good at his craftsmanship.Li Jun panicked and racked his brains to explain, Our center can t do it, but the doctors in our center can.
This is how Du Heng treated his doctor two months ago.They are very annoying, disgusting, even disgusting, and we don t even want to see them anymore.
A middle aged man with a smile on his face came over with his hand outstretched, Doctor Du, Doctor Du.And this was only three days since their last gathering.
If you trust me, you can bring your wife to my place tomorrow and I will help her take another look.When Du Heng arrived at the place, he was already surrounded on three levels inside and three outside.
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Dean Zhang Jinlian looked at Li Qingde, and the meaning was obvious, I can t help it, you can make up your mind.Each of them took a stack of red hats and a stack of promotional brochures.
The old fashioned filiform needles are easy to use, but they must be disinfected with more than 75 alcohol cotton balls every time they are used, or even high temperature disinfection.
Don t tell me. He moved his body, and it looked like he was about to die.It s definitely too late, and at most we can only save half of our legs.
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I originally thought that Du Heng was unprofessional and he would just take over when he came, but now I dare not say nonsense.Her clean and white face was filled with a little bit of maternal brilliance.
Temporarily suppressing the doubts in his mind, Cao Binghe asked, Liu Amei, since we now know that it is ovarian cancer, why don t we treat her in the hospital instead of being treated outside Several hospitals refused to accept me, and I had no money.The most irritating thing is the salesman s sentence If you have to wait to take delivery of the car in full, what kind of logic is this.
At this time, Gong Daoyang and his people were lifting the car to remove the person under the car.But Du Heng knew he couldn t panic now, so he took a deep breath.
He called everyone together again and wanted to discuss it with everyone again.Dong Yuezhang glanced at Wei Kaida speechlessly, I m thirty, can you do less of this shameless thing Stop talking nonsense, I m willing to admit defeat and take out my arms.
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I haven t been there for a few days. I m a little panicked when I see you, kid.Xiao Gu and I will help you put them in the car. Do you want to take them Of course I took it, why not Not only was I the external deputy director of the Unlock Wellness: Your Guide to CBD, CBG, and CBC in Gummies Department of Traditional Chinese Medicine, but I was also the external deputy director of the Department of Gastroenterology.
The palm of a little nurse following him had also been scratched, leaving a scratch on the white snow.
He knew that his decision was wrong and that it was a cowardly act that was afraid of taking responsibility, but he did not regret the choice he made.I don t know if she heard Zhu Fanzhong s last words, but anyway, she returned to the house without saying a word.
Well. But we don t have any use for it, so please give it back.After the dragon was finished, it was already afternoon.
Yu Haiting stirred his food gently, Now that Zhu Fanzhong is in this situation, what should we do Without surgery, we would not be able to flush the abdominal cavity.Wu Shengnan was probably still angry with Du Heng, Blue Gummies: Are These CBDs Worth the Hype? and said coldly, This is my home.
Of course it s true, I m not going to lie to you. We met on a blind date a few days ago, and the conversation was pretty good.Looking at the panicked two people, Du Heng breathed out softly, He can think of a way, he is in big trouble, medical treatment Institutions use non health technicians to engage in medical and health technical work.
The person he had worked so hard to cure was sent away by someone who ran a red light.Anyway, the answers were all guesses, and none of them could explain why there was hair between the teeth.
The man Tired of the Pain? How CBD for Fibromyalgia Reviews Can Help You on Your Journey pointed his finger at the female doctor again, Don t change the subject.Moreover, the biggest difference between a clavicle fracture and a tibia fracture is that a clavicle fracture caused by violence may puncture the pleura and be life threatening.
The registration room, which had always been Drift Off Easier: Your Guide to Better Sleep with GXLCO deserted, was finally no longer deserted at this moment, and Wang Zhenzhen was no longer lonely.When something happens, the two of them can work together and support each other.
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A vice president has been obediently giving medicine to patients in the hospital ward all night and has not left yet.Why is it like this Du Heng sat for a while and finally found the feeling he had before.
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The femininity on Fu Ya s body is too strong, how heavy it is, the kind that makes her whole body look soft but very elastic.Du. Thank you. Amei Liu struggled to sit up, but The Body's Bliss: How One CBD Gummies Can Help Unlock Your Best Self her body was too heavy and her belly was too big.
But considering the particularity of the doctor s profession, no one dares to be too hasty and let others do it.Thanks to Du Heng s guidance, he achieved good results at work, and also made a big deal with Wu Shengnan s grandfather.
It can ward off filth and refresh the brain, and more importantly, it can relieve brain hypoxia.As for what this situation is, he himself doesn t know.
You are also an expert in internal medicine. Can you help Qinqin take care of her body later Du Heng said nothing and looked back at Li Qin.She has not given birth to a child yet. Wu Shengnan s mother was full of bitterness, and the more she talked, the more tears flowed down her face.
