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Page 4 of 4
additional guard items
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1 Back Guard
For guarding the rear of the table at either side of the headstock. The two clear panels are both located on a single slide runner assembly which is fixed to the ends of the parallel sole bars. Top support is provided by dual rollers. As the table moves from side to side the two linked panels are free to slide in their mountings thus providing complete rear protection at all times with no hindrance to table movement. The standard back guard is suitable for tables up to 1600mm. For larger tables a telescopic or custom backguard is available.
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2 Electrical Interlock
Additional operator safety can be provided by the installation of this compact yet totally effective and reliable safety switch. As the two front panels are closed the actuator tongue enters the switch body and closes internal contacts linked to the machine controls thus allowing machine operation only when the guard is properly closed. Interlocks are normally fitted to the right hand side on SSA/2/3/6 and to the left hand side on SSA/00/1.
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3 Coolant Drip Trays (Infill guard)
To protect operators from coolant drip and overspill of swarf from the front of the table and also prevent access underneath the front panel. Particularly relevant when machining large irregular castings which overhang the machine bed. Two types are available, one has an adjustable tray width to cater for different overhangs. The other type is a fixed width tray with a lip on three sides to which can be attached an optional brush strip to seal the small gap between the tray and the bottom edge of the front guard panels. Both types locate to the sole bars. Specials are available upon request.
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4 Sliding Access Door
A portion of the front panel can be converted to a sliding access door allowing access to the machines operating levers, e.g. Bridgeport Mill for quill feed arm access. The access panel can be positioned on either the right or left panel. The use of two sliding access doors, one on each panel can also be supplied. This option is standard on the SSA7 but is also available on other guards if required.
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Procter Nelsa Guards Brochure download version for full details of the Nelsa Standard Machine Shop Guards.
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