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Works Address :
Rac Exports, 14 Pooja Vihar, Kardhan Road Ambala Cantt: 133 001, Haryana, (India)

Tel : +(91)-(171)-6535762
Fax : +(91)-(171)-2699559
Email :,

Pref. Correspondence Address :
23, Arya Nagar, Jagadhri Road Ambala Cantt: 133001, Haryana, (India)
Tel : +(91)-(171)-6535762
Fax : +(91)-(171)-2699559
Mobile : 093151 00690
Email :

Advanced Research Optical Bench

"RAC" Deluxe Model
a) Specifications:
The bed is a heavy cast channel 180x12 cms app., provided with strengthening ribs which besides seasoning also help avoid development of any warping in use.
The guideways are machined and machine ground into a 'V' and a plain in one operation. A special slanting flat is machined to take the scale, which is divided in mms to a length 170 cms. The verniers fitted to the carriages (sliders) have precision ground edges carefully matched with scale to give fine accurate readings.
Sliders, Four carriages are provided to carry the Standard accessories. The carriages have their under surfaces machined true to fit the bed guideways, and these are then jointly interlapped to give perfectly smooth sliding. Two of the four sliders are having fine slow motion in all the four planes, which makes the adjustment more precise and accurate. The following slow motions are provided in the sliders (carriages)
a) Lateral transverse motion actuated by fine milled micrometer in all the four sliders.
b) Circular motion, a tangent screw is provided to rotate the pillar holding the accessory through 180° . Provided in two sliders only.
c) Height adjustment, by means of a slow motion screw head to raise or lower the accessory provided in all the four sliders.
d) Linier fine motion :-
two sliders are provided with fine (slow) motion by a Knurled Screw head thus providing the most accurate adjustment. All the motions are provided with scales and Verniers (as shown in diag.)