Whether you are a fabricator or a plater, the hard part of any grinding job is choosing the right grinding disc that will not only save you time but will also deliver on the finished quality.
They are one of the most important tools in your box but the user is so busy getting his work out of the front door on time that he has lost touch of the better, longer lasting alternatives to the old favourites now available out there. Indeed, technology has come a long way – even in abrasive discs.
Enter CC Grind Solid, a grinding disc and a relatively new addition to the stable of abrasive manufacturer PFERD … with its unparalleled removal rate, longest tool life of any grinding disc – and on an occupational health note produces significantly less noise, vibration and dust during use.
In fact, Pferd’s CC Grind Solid is twice as aggressive as any conventional grinding disc but please do not take the author’s word. Do a Google search using he words Pferd+Grind+Solid+YouTube to see CC Grind Solid in action… http://www.youtube.com/watch?feature=player_embedded&v=0ULVIB2htno#t=0
With a tool life of between 45 and 60 minutes, depending on operator use, this grinding wheel, combined with the matching quick-change, vibration-reducing backing pad and locking nut guarantees maximum machining capacity in a very short time.
Unlike reinforced grinding discs, CC Grind Solid is very flexible, allowing score free machining particularly on flat surfaces.
Grind Solid is available in two versions one for working on mild steel, the other for grinding Inox or stainless steel Both versions are available in 100, 115 125, 160 and 180mm diameter wheels
Using the backing pad CC Grind Solid can be used on standard angle grinders and compared with conventional reinforced grinding discs reduces noise and vibration by around 50 per cent and dust emissions by a whopping 80 per cent.
For workers using a depressed centre grinding wheel on an angle grinder, typical vibration levels can be between 5 and 7 m/s². This means that workers would need to be monitored for vibration-related issues if they are using a grinding wheel for two hours at the lowest end of the performance scale and just one hour at the top end.
When working on an open area, without corners or edges, it is possible to use fibre discs, which produce less hand arm vibration (HAV), instead of depressed centre grinding wheels.
Traditionally there has been a reluctance to do this because fibre discs generally do not last as long as a grinding wheel. However, CC Grind Solid offers an alternative that combines the greater longevity of the depressed centre grinding wheel with a lower EAV which typically is in the region of 3.19 to 4.79 m/s², meaning that the operator can work for three to six hours plus before needing to be monitored.
Says Chris Crouch from Leicestershire-based abrasives distributor Grinding Solutions: “CC Grind Solid is employed for extreme applications, typically on mild steel. The composition of the wheel is designed to cut through metal, instead of ploughing or gouging, so generating lower resistance and 50% less noise than traditional grinding discs, while independent noise level audits show Grind Solid generating 50% less noise.
“The bottom line is that CC Grind Solid can remove material twice as fast as conventional ceramic abrasives and can last significantly longer than fibre discs. Additionally, the vibration level and time taken to perform the task are reduced significantly, which in turn reduces the worker’s exposure to HAV.”
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