Milling Machine Guards

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NELSA SSA Guard Sing Door
NELSA SSA Guard Sing Door
Milling Machine Guard
Milling Machine Guard
Milling Machine Guard SSA
Milling Machine Guard SSA
JSA on Elliot Miller
JSA on Elliot Miller
bridgeport mill guard
bridgeport mill guard
Milling Machine JSA
Milling Machine JSA
Milling Machine Guard JSA
Milling Machine Guard JSA

Procter Nelsa offer 2 distinctive options of Milling Machine Guards JSA (Just Swing Aside) and SSA (Slide and Swing Aside) which between the two types will cover virtually any milling machine type with the added option of bespoke designs available

Milling Machine Guards - JSA Just Swing Aside 

Key features and benefits includes:

  • Operator friendly proximity guard
  • Unrestricted front access
  • Ease of adjustment

Suitable for Tool room machines, R & D workshops, and small batch production Machines

The JSA-1E Interlocked Vertical Milling Machine Guard is suitable for Bridgeport Series 1 vertical milling machines or similar.

Its operator friendly proximity guard provides protection without the usual constraints of a full table guard. When not required it simply swings aside allowing full operator access to the machine table for setting and measurement etc.

Not only is it suitable for tool room machines, but also R & D workshops, prototype work and small batch production machines. It has a three sided framed polycarbonate screen with support arm and mounting bracket with an optional right hand side cut-out for access to quill feed arms (common to Bridgeport machines). Adjustment is easily attainable in both Z and Y axis.  The guard can be fitted to either the left or right hand side of the machine, the standard being on the left.  

Milling Machine Guard JSAMilling Machine JSA

Click to download drawing, datasheet and brochure
  MILLING machine guards JSA datasheet  nelsa machineshop guards brochure

Key features and benefits includes:

  • All round visibility 
  • Unrestricted front access
  • Ease of installation
  • Optional sliding access door for applications requiring access to quill

Suitable for Horizontal, Vertical, Universal & Turret machines
The patented Slide & Swing Aside Milling Machine Guard has been designed to meet the stringent  guidelines laid for both legal requirements and industrial necessity.  It is manufactured using impact resistant clear polycarbonate and gives good visibility, immediate access and maximum operator protection.  Its unique design ensures that the guard does not impair the performance or the versatility of the machine.

This is the first guard of its kind which enables either small workpieces or large castings fitting and overhanging the milling machine table to be completely protected, but at the same time giving immediate and complete access to the piece part or casting beting machined.  Each of the front panels can slide to the right or left and swing aside on their own axis out of the way, finishing in a position parallel to the end panels. 

The advantage of the Slide and Swing Aside movement is that you can obtain immediate access to the whole length of the table for unloading large workpieces, and although the panels slide aside they will not take up anymore than the actual length of the table. 

Where large castings are being machined that overhang the table, you can slide the guard forward and lock into the position required.  This may however leave a gap on the underside of the guard between the table and front panels.  To overcome this situation an Infill Guard can be fitted which also keeps the operator and machine clear from swarf and coolant. 

Click to enlarge image 
Milling Machine Guard SSA
Milling Machine Guard Slide and Swing Away

The Guard

The guard is supplied in two separate assemblies which are mounted at each end of the table.  A plat fitted with a rectangular locating block having equivalent width to the table slots is positioned at each end of the table in one of the "T" slots and the parallel sole bars are clamped to the mounting plate by two socket cap screws (allen key supplied). The two parallel sole bars support a kingpost to which a pivoting bracket is fitted supporting a ball bearing sliding track to which the polycarbonate transparent front panels are fixed.








additional guard items   

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.                 
 

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.  
 


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. 

 

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. 
Click to enlarge the drawings 

milling machine guard SSA 2j mounting

Click to enlarge the drawings
milling machine guard ssa the guard



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