Dear all seniors,
Here is my query regarding the safety standard ISO 18001 in an organization. What are the benefits of achieving the safety ISO for an organization? How can one apply for the process to achieve ISO? Please provide a brief description of the ISO.
Thank you.
From India, Ahmadabad
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Here is my query regarding the safety standard ISO 18001 in an organization. What are the benefits of achieving the safety ISO for an organization? How can one apply for the process to achieve ISO? Please provide a brief description of the ISO.
Thank you.
From India, Ahmadabad
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Dear All,
Why does the capacity of wire rope slings decrease when the angle decreases? For example, at a 60-degree angle, it lifts more weight, whereas at a 30-degree angle, its lifting capacity reduces. Why is this the case?
Please help me and specify the technical reasons.
Thanks and regards,
Santosh
From India, Bhubaneswar
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1Why does the capacity of wire rope slings decrease when the angle decreases? For example, at a 60-degree angle, it lifts more weight, whereas at a 30-degree angle, its lifting capacity reduces. Why is this the case?
Please help me and specify the technical reasons.
Thanks and regards,
Santosh
From India, Bhubaneswar
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Dear Santhosh,
From the question, I gather that you are not from the safety field and therefore may not be familiar with crane rigging, types of slings, hitches, mechanical handling, and so on. However, I truly appreciate your eagerness to seek knowledge, and I am always delighted to offer assistance. My only reservation is that I prefer not to spoon-feed information. Those who are genuinely interested in learning from me appreciate my approach because it enables them to become competent in the profession.
Regarding your query:
Please sincerely carry out the exercise outlined in steps 1 to 4 below and share your experience.
1. Take a bucket filled with water while keeping your hand close to your body. In this scenario, the angle between 0 and 1 is minimal, making it relatively easy to lift.
2. Move the water bucket away from your body to position 2, thereby increasing the angle between your body and the bucket. Now, assess how the weight feels to you.
3. Further move the bucket away from your body to position 3, increasing the angle once more. Again, evaluate how the weight feels now.
4. Once again, move the bucket even further from your body and position it almost horizontally.
Despite the water volume and weight remaining constant in all positions, do you perceive the load differently?
Various types of slings exist, not just wire rope slings. The impact of the sling angle is consistent across all types of slings, including wire rope slings.
There is a straightforward formula to determine the stress on slings at varying angles.
I look forward to your feedback on the outcomes of the above experiment to provide you with a clear explanation.
Regards,
Kesava Pillai.
From India, Kollam
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From the question, I gather that you are not from the safety field and therefore may not be familiar with crane rigging, types of slings, hitches, mechanical handling, and so on. However, I truly appreciate your eagerness to seek knowledge, and I am always delighted to offer assistance. My only reservation is that I prefer not to spoon-feed information. Those who are genuinely interested in learning from me appreciate my approach because it enables them to become competent in the profession.
Regarding your query:
Please sincerely carry out the exercise outlined in steps 1 to 4 below and share your experience.
1. Take a bucket filled with water while keeping your hand close to your body. In this scenario, the angle between 0 and 1 is minimal, making it relatively easy to lift.
2. Move the water bucket away from your body to position 2, thereby increasing the angle between your body and the bucket. Now, assess how the weight feels to you.
3. Further move the bucket away from your body to position 3, increasing the angle once more. Again, evaluate how the weight feels now.
4. Once again, move the bucket even further from your body and position it almost horizontally.
Despite the water volume and weight remaining constant in all positions, do you perceive the load differently?
Various types of slings exist, not just wire rope slings. The impact of the sling angle is consistent across all types of slings, including wire rope slings.
There is a straightforward formula to determine the stress on slings at varying angles.
I look forward to your feedback on the outcomes of the above experiment to provide you with a clear explanation.
Regards,
Kesava Pillai.
From India, Kollam
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Dear Pillai sir,
Thank you for your reply. What you have explained is absolutely correct, and I highly appreciate your example. However, I am curious about the technical reasons behind this. Although I am familiar with the formula to calculate the capacity of wire rope slings at different angles.
Regarding your example, it is easier in step 1 and more challenging in step 4, as everyone knows. My question pertains to the technical reasons that come into play.
Thank you.
Regards,
Santosh
From India, Bhubaneswar
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Thank you for your reply. What you have explained is absolutely correct, and I highly appreciate your example. However, I am curious about the technical reasons behind this. Although I am familiar with the formula to calculate the capacity of wire rope slings at different angles.
Regarding your example, it is easier in step 1 and more challenging in step 4, as everyone knows. My question pertains to the technical reasons that come into play.
Thank you.
Regards,
Santosh
From India, Bhubaneswar
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Dear Santhosh,
You have the formula for calculating the capacity of wire rope slings at different angles and want to know the technical reason!
Consider that you are using two slings in a vertical position to lift a load. In this case, there is only a vertical component, and no horizontal component. The load on the slings is exactly the same as your load weight.
Now, consider flattening out the slings. This time, both slings may be at the same angle or different angles depending on the center of gravity of the load. In this case, the vertical component remains the same, but a horizontal component is added. The load in the sling is the sum of the vertical and horizontal components. As the slings flatten, the horizontal component increases, the angle between the sling and the horizontal plane decreases, so the load in the slings increases. It is a function of trigonometry.
I am leaving out the load factor, included angle, etc., since you already have the formula.
You have the formula for wire rope slings. What about other types of slings? Will there be any difference?
Regards,
Kesava Pillai
From India, Kollam
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You have the formula for calculating the capacity of wire rope slings at different angles and want to know the technical reason!
Consider that you are using two slings in a vertical position to lift a load. In this case, there is only a vertical component, and no horizontal component. The load on the slings is exactly the same as your load weight.
Now, consider flattening out the slings. This time, both slings may be at the same angle or different angles depending on the center of gravity of the load. In this case, the vertical component remains the same, but a horizontal component is added. The load in the sling is the sum of the vertical and horizontal components. As the slings flatten, the horizontal component increases, the angle between the sling and the horizontal plane decreases, so the load in the slings increases. It is a function of trigonometry.
I am leaving out the load factor, included angle, etc., since you already have the formula.
You have the formula for wire rope slings. What about other types of slings? Will there be any difference?
Regards,
Kesava Pillai
From India, Kollam
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Dear Kesava Pillai Sir,
Thank you for the great inputs from your side once again.
To continue the discussion from where you left off with the question about whether there will be different formulas for different slings - yes, there are different formulas. I have a presentation on Rigging that includes these various formulas. I am attaching the presentation for your review and for the benefit of all other members who do not have access to it.
Please provide further guidance on how to learn more about this topic.
Thank you.
From India
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Thank you for the great inputs from your side once again.
To continue the discussion from where you left off with the question about whether there will be different formulas for different slings - yes, there are different formulas. I have a presentation on Rigging that includes these various formulas. I am attaching the presentation for your review and for the benefit of all other members who do not have access to it.
Please provide further guidance on how to learn more about this topic.
Thank you.
From India
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Dear Mr. Kesava Pillai,
Your examples are down-to-earth and easily comprehensible by any layman. However, for technical reasons, there are a lot of good books (Ref Statics and Dynamics by Timoshenko and Young) where the theory behind the forces acting is well explained.
Sir, are you from safety? If so, I would like to have your contact information (like email id) so that I can keep in touch with you in case it is not possible here (of course, for technical and safety clarifications only).
Thanks and Regards,
From India, Mumbai
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Your examples are down-to-earth and easily comprehensible by any layman. However, for technical reasons, there are a lot of good books (Ref Statics and Dynamics by Timoshenko and Young) where the theory behind the forces acting is well explained.
Sir, are you from safety? If so, I would like to have your contact information (like email id) so that I can keep in touch with you in case it is not possible here (of course, for technical and safety clarifications only).
Thanks and Regards,
From India, Mumbai
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All friends of Safety Professionals of this Forum,
As per my observation from this forum, we have found two gems of persons in Safety professionals. Despite my eagerness to express my views as a member of this forum, they are truly gems of this forum for helping all needy persons concerned with safety. They are:
1) Mr. Kesav Pillai, sir.
2) Mr. Dipil Kumar, sir.
We, safety professionals, are fortunate to have these great individuals. In this world where selfishness prevails, these two persons have selflessly shared and helped by providing necessary safety information to all forum members.
I pray to Almighty God on behalf of this forum to bless us with His mercy always.
Thanks to all for sharing their views.
With Respectful Regards,
Valli Basha Sab.
From India, Hubli
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As per my observation from this forum, we have found two gems of persons in Safety professionals. Despite my eagerness to express my views as a member of this forum, they are truly gems of this forum for helping all needy persons concerned with safety. They are:
1) Mr. Kesav Pillai, sir.
2) Mr. Dipil Kumar, sir.
We, safety professionals, are fortunate to have these great individuals. In this world where selfishness prevails, these two persons have selflessly shared and helped by providing necessary safety information to all forum members.
I pray to Almighty God on behalf of this forum to bless us with His mercy always.
Thanks to all for sharing their views.
With Respectful Regards,
Valli Basha Sab.
From India, Hubli
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Dear Pillai Sir,
Thank you for explaining the matter in such an admirable way.
Further, sir, I would like to share with you that I am working in a State Level University. Our University is in the process of obtaining ISO 9001:2008 certification. I feel very good about working for this and believe that it will definitely improve the working style and uniformity in all aspects. It provides a chance to work on things other than routine tasks and offers scope for creativity. I am also very curious about the results of the whole exercise.
Sir, in a government organization, it is very challenging to ensure speedy work from subordinates. Could you guide me on how to prepare the minds of class III and IV individuals to contribute to the implementation of the ISO standards and increase the speed and spirit of working?
Thank you.
From India, Nasik
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Thank you for explaining the matter in such an admirable way.
Further, sir, I would like to share with you that I am working in a State Level University. Our University is in the process of obtaining ISO 9001:2008 certification. I feel very good about working for this and believe that it will definitely improve the working style and uniformity in all aspects. It provides a chance to work on things other than routine tasks and offers scope for creativity. I am also very curious about the results of the whole exercise.
Sir, in a government organization, it is very challenging to ensure speedy work from subordinates. Could you guide me on how to prepare the minds of class III and IV individuals to contribute to the implementation of the ISO standards and increase the speed and spirit of working?
Thank you.
From India, Nasik
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Dear Mr. Valibasha,
I am not deserving of so much appreciation from your side. Surely, Mr. Kesava Pillai is deserving of the same. Please do not overwhelm me with such kind words. I assure you that I will do my best for this forum as it has greatly helped me improve both my personal and professional life.
From India
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I am not deserving of so much appreciation from your side. Surely, Mr. Kesava Pillai is deserving of the same. Please do not overwhelm me with such kind words. I assure you that I will do my best for this forum as it has greatly helped me improve both my personal and professional life.
From India
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