Autocollimator,Electronic Autocollimator,Corner Reflectors,Alignment Telescope,India

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Autocollimator Electronic Autocollimator Visual Autocollimator Reflectors Alignment Telescope Mounting Stands Penta Prism Optical Cube Spindle Target Illumination Target Interferometers Optical Components Light Sources

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Autocollimator

We manufacture a qualitative range of autocollimators that are basically optical instruments. These electronic autocollimator are highly accurate and sensitive instruments that are provided with a telescope and collimator for performing the following functions:

Precision alignment
Detection of angular displacements over a significant distance
Verification of angle standards

Our autocollimators work on the following principle:

Projecting an image onto a target mirror
Measuring the deflection of the returned image against a scale (visually or electronically through detector)

Electronic Autocollimator

We are instrumental in designing and marketing of a technology based assortment of interference autocollimators that provide accuracy in measurement of flatness of lapped and polished mechanical components. We have the capability to produce our technical mass products with flat surfaces that are specified to be better than 0.1 µ m, over a few cm. These electronic autocollimator are produced in millions per month by using processes like lapping & polishing and micro machining (90% having diameters less than 50 mm). These electronic autocollimator use interferometers as an imperative aspect and are tested as per the guidelines of ISO 9000.

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Visual Autocollimator

Our wide array of autocollimator consists of quality assured visual autocollimators that are capacitated to measure angles as small as 0.5 arc second. The different designs of mirrors used in these autocollimators are used in combinations to check surface plate profiles, machine element orientations and rotary dividing heads. The light beam is then sent around the surface for analysis, which is mostly done by Pentaprisms and optical polygons.

These optical autocollimators are utilized in workshops, inspection or calibration rooms, standard rooms and tool rooms for the following purposes:

Checking Straightness of Machine Tool Slide ways
Checking the Straightness of Machine Bed Movement
Checking Flatness of bed plates and surface tables
Calibration of Rotary Indexing Table
Aligning the Machine beds
Alignment of center and spindle axes
Checking Gear Hobs
Parallelism of Machine Beds
Squareness of Machine Bed w.r.t. vertical column
Straightness Measurement

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Reflectors

We offer our clients with standard type and corner type reflectors that are used as a part of autocollimators. Our standard reflectors are used for calibration and repositioning of machine bed or surface plate at an interval of 100 mm, whereas corner reflectors are used for inspection of flatness of surface table along with the standard reflectors. The corner reflectors directs or reflects the beam of autocollimators on to the standard reflector. The standard reflectors represent an angular tilt of 1 arc second if a tilt of 0.5 µm is provided over a length of 100 mm.

The technical specifications of this range are mentioned below:

Standard Reflector	Reflector Material: BK-7 Optical Glass Surface Flatness: ? /6 @ 633 nm Coatings: Front Surface Reflective Aluminum + SiO protective layer Diameter: 65 mm (Clear Aperture: 60 mm) Center Height: 75 mm Base Dimension: 100 x 100 mm
Corner Reflectors	Reflector Material: BK-7 Optical Glass Surface Flatness: ? /6 @ 633 nm Coatings: Front Surface Reflective Aluminum + SiO protective layer Diameter: 65 mm (Clear Aperture: 60 mm) Center Height: 75 mm Base Dimension: 100 mm Diameter

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Alignment Telescope

We offer our clients with alignment telescopes that are provided with lens with focusing arrangement for establishing accurate line of sight. Alignment telescope, when combined with autocollimators are used as alignment autocollimators for measuring the angular tilts and the shift of centre location in one setting.

Following are the application areas of these telescopes:

Measurement of bore straightness
Alignment of rolls in paper, metal, and plastic mills
Bearing run out
Checking parallelism of bearings in a gear box
Shaft alignments
Gear box evaluations

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Mounting Stands

We have in store for our clients, a dimensionally precise range of mounting stands that is designed to be mounted or placed in autocollimators. These stands are manufactured from high grade raw material and thus are sturdy. These stands are offered to our clients in vertical floor mounting and tabletop type, the specifications of which are cited below:

Vertical Floor mounting Stand	Vertical Motion: 24 to 42 Vertical Axis rotation: 360 Vertical Axis fine tilt range: 2 Horizontal axis fine movement range: 5 mm Horizontal axis fine tilt range: 2 Rollers with pedal locking Horizontal Mount with leveling screws and resting pads
Tabletop stand	Vertical motion: 300 mm Vertical axis rotation: 360 Horizontal axis rotation: 360 Kinematic tilt: 2 Cast Iron base Dimension: 300 x 300 mm

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Penta Prism

We bring forth for our clients, a precision engineered range of penta prisms that is mounted with autocollimators for inspection of perpendicularity. These prisms can also be oriented either in horizontal or in vertical plane for measurement squareness.

The technical specifications of this range are given below:

Material: Optical Glass (BK-7)
Surface Quality: ë/6 @ 632.8 nm
Total Angle Deviation: < 3”
Clear Aperture: 30 mm
Center Height: 75 mm
Base Dimensions: 100 x 100 mm

Material	BK-7
Dimensional Tolerance	± 0.15 mm
Surface Quality	80-50 Scratch & Dig
Surface Accuracy	? /2 @ 632.8 nm
Total Angle Deviation	< 1 minute
Bevel	0.2 mm x 45°
Entrance & exit faces	SLAR @ 550 nm
Reflective Surfaces	R > 90% per face

Part No	A (mm)	B (mm)	C (mm)
PN-05	10	10	10.8
PN-06	13	12	14
PN-02	15	15	16
PN-03	16	16	17.5
PN-04	40	40	44

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Optical Cube

Available with us, is a qualitative range of optical tubes that are used for alignment purposes. These cubes are used for angle measurement and can be set on any of the ground faces for positioning the precision alignment faces.

Following are the specifications of these optical cubes:

Reflective faces: 5 (Al + SiO Coated)
All Orthoganol angles: < 5 secs
Dimensions: 40 x 40 x 40 mm
Center Height: 75 mm
Base Dimensions: 100 x 100 mm

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Spindle Target

We offer our clients with spindle targets that are used for mounting and aligning the spindle and bore rotational axis. These targets can measure rotational axis, when viewed with a telescope offset of the centre of the cross line and for measurement of angular tilts when viewed through autocollimators. These targets are provided with linear fine adjustment screws and kinematic adjustment screws for the alignment of the rotational centre of the shaft and angular tilt.

Customized as per the demands of our clients, these targets are offered to our clients in the following specifications:

25 mm dia x 5 mm Beam splitter with Cross line
25 mm dia x 2 mm Front Surface Reflector with cross line
Parallelism of beam splitter: < 2 secs
Flatness of Reflector / Beam splitter: Better than ë /6
Thread: 25 mm x 1 mm pitch

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Illumination Target

We are into designing and manufacturing of an industrially verified assortment of illumination target that is used along autocollimators. These targets are fabricated in standard as well as customized specifications to suit the requirements of special machines.

Following are the details of these illumination targets:

Two cross line targets spaced at 300 mm mounted in precision ground chrome coated housing
Centre of the cross lines concentric to the outer diameter of the mount to within 20 µm
2W illumination to the reticule provided at the rear end 6V.

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