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Posted By GavinR
Hi, we are currently reviewing some PUWER assessments and have come across a couple of irregularly used manual milling machine which are possibly 20 years old. They lack any guarding to protect the operator from the rotating spindle and tool bit, swarf ejection and coolant spray. Now we have reviewed table top interlock guards but these are not suitable as because work pieces can be to long for the table top to install these guards and can also be worked on in different positions, e.g. long ways or protruding from front of machine. The mill machine also can be adjusted to work at variable angles from 180, 45 or 90 degrees so fitting a side guard is also difficult. Basically what I'm asking is has anyone else came across this prob before and have any advice as how to progress with finding a solution?
Appreciate any feedback, Cheers, Gavin
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Posted By James365
Not an immediate solution as such, but if you haven't already done so, i would refer you to "PD 5304:2005 Guidance on Safe Use of Machinery". Its an updated version of the old machinery safety bible (BS:5304) and an excellent first point of reference for guarding concerns.
Unfortunately, I lost the one electronic copy I had, so I can't help there. Sorry!
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Posted By Stephen Sherratt Hi Gavin I recommend a look at this company, then when you know what you want shop around a bit but this company has my recommendation. www.tdt-technology.co.ukAfter I retrofitted our machine shop my boss suggested we change our corporate colour to yellow! May I respectfully warn you Machine Safety is a specialist subject in its own right and I suggest you also take advice from the following as a start point as your guard wiring will have to be modified and perhaps you will need “Setters Key” and a Safe System of Work to go with them? http://www.pilzsupport.co.uk/services.htmAll the best Steve
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Posted By RichardJ
Our company has a similar situation, some equipment is pre-CE.
Basically there is guarding but level and design of guarding does not meet latest BS EN standards. However, by doing a PUWER assessment and based on: no known accidents or near misses, authorised and experienced operators only to use it, the operators made aware of the state of guarding and they are used to it and there are warning signs fitted, is this sufficient and decree it a low risk and therefore do nothing (no costs) or MUST we fit all new guards or buy new machinery? Isn't it all down to assessments and being reasonable based on your own specific situation?
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Posted By Stephen Sherratt The standard we all need for machine guarding is “BSEN 954-1 Safety of Machinery, parts of the safety systems and general design principals” we still need to conduct our own assessment of the machine in question but BSEN 954-1 provides an assessment matrix that enables you to fix the “Risk Requirement Class” corresponding to “Control Category” that gives you a design category for the machine safety, for instants Category B is Fixed Guarding whilst at the other end of the range Category 4 has Dual redundancy and fault detection in all parts of the control circuit. Competence in Electrical Safety Engineering is a must this is a highly specialist area. There are loads of companies to help in this specialist area and further to my previous post I recommend www.lcautomation.com Steve
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Posted By Paul A Davies Hi Gavin You may want to involve the services of AB Guardmaster , they have a dedicated safety engineering solutions team which specialises in both standard machine guards but also bespoke machine guards. They can also provide a full turnkey solution if that's what is required.They will also be able to advise you on any safety legislation / standards that are applicable. http://www.ab.com/safety/Hope this is of help Regards Paul
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Posted By Nicholas Francis Psilogenis
Hi Gavin
Give a company called RDM Engineering a call they have carried out a simular job on my behalf.
Your contact in Steven Tracey.
You may also wish to refer to H&S In Engineering workshops.
Regards.
Nick
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