Josh, We fabricated our gauge in house. The attachment is a crude drawing but conveys the function and intention. The gauge works very good and unlike calipers, it is not subject to "interpretation", it's either "go" or "no-go". Our gauge is made of S/Steel 1 1/2 X 1/4 for a 3/8 rope. The hole in the handle is for a wrist string so it cant be dropped into a retort vessel 20' deep.


GOOD IN = GOOD OUT

Noisemakr,
Good idea for the go no-go gauge to check for wear. Removes the element of interpretation as you say.
Thanks,
Charlie

quote:

Originally posted by monendra:
we r facing a problem that when operator uses the overhead crane for lifting the laddle filled with hot metal in LD shop ,he cannot see the hook below him in lifting the laddle . the temperature of molten steel filled in laddle is 1700'C . we want to go for a camera which can give a clear picture in operator cabin of the position of hook for safe operation because a sliet mistake can lead to disaster . i m requesting all forum member to tell me a solution of specification of camera which can give a clear picture of hook inoperator cabin .

Monendra,
A number of companies offer crane mounted cameras - if you do a web search you will see plenty. Suggest you contact one of them with your specific needs, if you don't get other suggestions.

quote:

Originally posted by Charlie Nielsen:
Noisemakr,
Good idea for the go no-go gauge to check for wear. Removes the element of interpretation as you say.
Thanks,
Charlie

Charlie, Very Happy to help. I have been assisted many times by information on this forum.
Regards

Noisemkr, is this go/no-go gauge method complied with wire rope inspection standards? How reliable is it? Is it to check diameter reduction or enlargement?

This message has been edited. Last edited by: Josh,

Josh,
The gauge is used in conjunction with our suppliers inspection recommendations. It is used to check reduction and is supplemental to those standards. A 20 foot fall can be checked in just a few minutes and because the gap or pinch point has been machined to a specific dimension that matches the suppliers minimum diameter, it is indeed very reliable. Another benefit is that the rope can be checked every few inches quickly.

To get off subject for a line or two:
I was very fortunate to witness the space shuttle Discovery launch on the fourth of July. It was truly spectacular and a global event. We heard nine distinguishable languages. If anyone on this board has ever been to the Kennedy space Center in Titusville Florida, I know you will agree that NASA has without a doubt the best 3-D IMAX movies you will ever see. The depth of field is as close to human as I have ever seen, truly amazing.
Regards,

Do you have the procedure on how to do the rope inspection using the go/no-go gauge?

quote:

Originally posted by Josh:
Do you have the procedure on how to do the rope inspection using the go/no-go gauge?

I do not have a written procedure. We simply hold the gauge perpendicular to the rope in "free air", or not on a reel. If any point of the rope that is checked "every 6 to 8 inches" passes through the "pinch point" as seen on the picture in this post, we change the entire rope.
Sorry I took so long to get to get back to this post and I hope this helps.

New technology applied to an old problem. Check this web site out. Elevators and large dock cranes would certainly benefit from this application. Our wire rope application is too small in scope but thought I would pass this along. An additional application is on-line continuous monitoring of wire mesh conveyors.

http://en.tck-cn.com/