Rank: New forum user 
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Hi all,
Just joined and started using this forum, which I find very educating and useful. I work as Compiance manager for a steel fabrication company in the north of England.
I've recently been sent on a IOSH Managing Safely course as suggested by our Natalie Hamer from the NFU who has undertaken our site risk assessment (which I am working my way through and trying to comply with), and as part of the said assessment, I am looking at guarding of various machines across the site, one of which is our lathe in our machine shop which has the chuck guard missing, however we have fabricated a replacement guard and fitted it, but it requires the fitting of glass to obviously protect the user,the problem I have with it is that i'm not sure which type of glass to fit and to what standard etc, I would presume it would be toughened glass of some description, however I can't seem to find the correct type over the internet and would like to know what British standard would apply to it so as I can source the glass from a local distributer etc.
Any help on this matter would be much appreciated ?
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Rank: Super forum user
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How old is the lathe? If young enough to be CE marked, your replacement guard will need to comply with the Essential Health Safety Requirements of the Machinery Directive/Supply of Machinery Safety Regs.
Use Mr Google to search machine guards. Nelson Machine Guarding have a good website which should help you track down a lathe guard standard and glass requirements.
If seeking CE marking level of compliance (regardless of the lathe age) then You will be looking for a Type A general design standard and the probably a Type B1 and B2 standard for specific safety devices.
If you are going to manufacture to a complaint standard, gone are the days you can just cobble something together in the company workshop in a quiet moment.
If a pre CE age lathe, it might be easier to contact a specialist machine guarding company. If you have a standard manual lathe, they should have guards readily available off the shelf.
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Rank: Forum user
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Try this : https://www.machinesafety.co.uk Lots of good info for gaurding in general. Try looking at the Nelsa section
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Rank: New forum user
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The lathe in question is a Colchester Master 2500 circa 1980, which I think is before CE marks in their present form came in, I shall certainly take a look at those links you sent, when I get a minute, thank you both for all your help.
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Rank: Super forum user 
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Would have thought the guard you end up with would have polycarbonate opposed to glass as you have to move the guard up and down etc, so you were possibly looking at the wrong material. It’s a shame really some in house made stuff is better than that purchased. Case in point stupid little plastic guards that come with bench grinders. They seem to be made out of the same stuff old music cassette tapes / cd cases were made from and will crack if you look at them wrong. We have had to get rid of perfectly good working machines simply because we could not replace the guards, in the past. I miss the good old days sometimes ( only sometimes). Chris
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