GATHA Products and Services LLP.

Bibwewadi, Pune, Maharashtra

On site non destructive inspection kit of mettalography, used where the conventional techniques of specimen preparation can not be applied. The kit of practicing mettalographers for any critical site applications considering the user friendliness, weight, result and it’s repeatability. Excellent result can be achieved by methodical practice and employing good consumables with little practice.

Application areas

Insitu technology has various applications like for the study of micro structure of localized corrosion, high temperature oxidation & hot corrosion, large/ bulky jobs on their critical areas, weldment, cracks on the structures, pipes, pressure vessels, dies, pressure parts, and so many for the purpose for their residual life / structural integrity assessments / failure investigations. It also has applications like in life in life extension strategies, original design modification, maintenance, accelerated carrion study and safety.

Application Industries

Power generation, Fertilizer, petrochemical, aerospace, defense, automobile, steel, oil and gas, off shore structures and chemical processing industries, research and education.

Portable Grinder / Polisher – PORTGRINDER

Heavy duty grinder with right angle attachment, Variable speed, flexible shaft, portable high torque grinder for heavy and light duty site application. One can attach (32mm), various coarse and fine grinding replaceable self adhesive (PSA Backed) papers and lapping cloths disc for surface preparation. Grinder has right angle grinding attachment.

Technical data

• Motor: 0.85 HP
• Main supply: 230V, AC 50Hz, single phase
• Speed: step –less variation up to 10000rpm
• Supplied with rubber discs, various grade emery papers, clothes, diamond pastes.

Light weight exceedingly small portable grinder

Extremely useful when carrying weight and power supply connection is problem. The grinder delivers enough torque for site application. It has an accessory of drilling. This is useful for drilling a hole in a big job of stainless steel for anodic connection.

Technical data

• Speed – 10000-30000 rpm
• Motor – 125 watts, both motor & regulation electronics built in the handle of grinder.
• Weight – 450gms(for easy handling on various applicationss)
• Accessory – flexible shaft
• Supply – battery operated.

Portable auto electro polisher

Power source Portable electro polisher finds an application of polishing especially stainless steel & caters other application.

Technical data

• Supply unit – 220 V. single phase A.C
• Current rating – up to 2.5 Amp.
• Voltage rating – up to 60 volts
• Modes – polishing / etching (external)
• Polishing timer – 0 to 99 sec

Electrolytic polishing cell with pen type polishing probe, associated with electrolyte reticulation system with pump

Technical data

• Circulation pump – 25 watts, 230 A.C. single phase
• Electrolyte reservoir – 0.5 ltr.
• Probe – recalculating pen type
• Swabbing type of probe for general polishing / etching application with 200ml breaker for electrolyte storage.

Portable Microscope

Incident light microscope, to offer magnification up to 800X. with unique feature of stage scanning movement battery backup system etc.

Technical data

• Total magnification – 100x to 800x
• Objective – MF10x, MF20x, MF40x (achromatic objective) replaceable
• Eyepieces – WF10x, 20x
• Stage movement – X-Y direction with knobs for surface scanning (unique optional feature)
• Light source – 6V-20W halogen bulb
• Power supply – adaptor of 230V, A.C
• Battery – back up with battery charge

Magnetic stand for microscope

Magnetic base stand help positioning the microscope in any position for detailed micro-observation and for photography.

Replica Kit

Transparent Replica Kit – Replica roll (Transparent), glass slides, and replica liquid (This replication techniques is operator skill dependent.)

Portable image analyzer for in-situ applications

Now one can grab and analyze the image on site with the help of powerful image analyzer. This can save the time and efforts of replica preparation, help analyzing the image on the spot, generation the vast data base, transmitting the image from the site by email etc. the software is loaded on laptop.

Camera

High resolution camera with built in image grabbing facility. Very low weight, small size camera that is directly attached to any lap-top computer through USB port. Attached to the microscope by “C” mount adaptor. Camera has own software for image correction, HIS, contrast, balanced bundled with image database maintenance software.

Specification

• Image device – 1 / 2.5”
• Resolution - 8.0 mega pixels (3264 x 2448)
• Pixel size – 1.758 x 1.75 microns
• Color filter – RGB 24 Bit
• Exposure time – 0.1 milli seconds to 12 seconds
• White balance – automatic, manual (camera model and specification are subject to availability of recent mode)

Software modules

Grain size estimation

Grain size measurement with grain area cleaning and boundary reconstruction facility and auto intercept marking

Phase analysis

Percentage phase analysis or area fraction

Nodularity analysis

Nodule count, % nodularity analysis, distribution, nodule classification.

Linear Measurement

Plating / coating / decarburization / banding measurement and degree of orientation / decard / interlammellar dist., distribution, dendritic arm spacing, defects etc.

Other modules

• Serpentine crack length measurement
• Graphite flake analysis for size class analysis
• Movable micron marker
• Customized developments can be undertaken, under special contract.

Data base maintenance, reports

Image data base maintenance / management software with facility of comparison of images and image gallery, report generation.

Various Types of Cut Off Wheels , Diamond Wafering Blade , Various Fixtures, Hot Mounting Powder , Cold Mounting set, Diamond pastes , Clips, Abrasive papers in various grit  plain or PSA Back. Etc. 

Details:

• Heat Treatment Furnaces for Various application  Annealing , Normalising
• Hardening , Solution Treatment Heating , Forge Heating , Tempering
• Aluminum Solutionising , Stress Relieving , Ductile Iron Full Annealing  
• Strong rigid construction , Heat resistant grade CI castings at door and frame, bogie and furnace interface eliminates warpage. Railway rails for load bearing under temperature. Double sealing minimizing heat losses
• Thermal survey as per API 6A Standard. 
• All measuring instruments calibrated to national traceability
• With as per the Required AUTOMATION. 

Applications

• Annealing
• Normalising
• Hardening
• Solution Treatment Heating
• Forge Heating
• Tempering
• Aluminum Solutionising
• Stress Relieving
• Ductile Iron Full Annealing.

Auto cycle control

• Ramp, Soak, Cool . 8 Steps Profile
• 10, 20 Profile Memory
• Multi Input Multi Output (MIMO)
• PID Controlling Action.
• Micro processor based programable controller.
• one burner, one thermocouple forms one pair as zone, thus multi zone control
• Digital display for time temprature graph online with USB pendrive for data storage, Wired lan PC connectivity for real time graph printing

Firing

• High Velocity Short Flame Burner
• Direct On/Off pulse firing effect.
• Smokeless perfect combustion
• The furnaces are calibrated for uniformity as per API 6A Standard ( The Temperature Difference Between Highest & Lowest Points at Stabilised Conditions should not be more than 13ºC.)

Mechanization

• Trolley - movement by geared motor with brake.
• Door - movement by geared motor with brake, counter weighed,
• Door Lock Unlock - innovative, Pneumatically operated instant latching unlatching for perfect sealing

Construction

• Strong rigid construction
• Heat resistant grade CI castings at door and frame, bogie and furnace interface eliminates warpage.
• Railway rails for load bearing under temperature.
• Double sealing minimising heat losses.

Insulation

• High temperature high density ceramic fibre modular lining.
• Self supporting U-fold door lining.

Recuperator

All fuel fired furnaces are equiped with recuperator to recover the heat from flue gases by preheating combustion air. By thumb rule a rise of 150 degree C in combustion air 7.5% heat is recovered.

PLC control

• Large furnaces handle high value materials, it is essential to install PLC for opration to avoid manual errors.
• PLC checks each & every operation prior to loading of materials called booting to ensure air/gas/power etc. are within the specifications & all the sensors are in working condition
• PLC monitors each & every operation during auto cycle for supply conditions, flue temperatures burner operations any deviation is automatically notified audio visualy & through SCADA
• PLC keeps event history for the record

Control Panel

• Aesthetically powder coated control panel.
• Electrical switch gears for drives, burners.
• Status indication and control.
• Burner sequence controller and flame failure device.
• Programmable startup, burner, temperature controlling system.

Calibrations

• Thermal survey as per API 6A Standard.
• All measuring instruments calibrated to national traceability

Description:

• Just Press a button and get the mould.
• Dual mould capability Pneumatically operated.
• Reliable microcontroller based technology offering complete automation like pressing, heating, holding, cooling ( water circulation ).
• Transparent mould capability enabling seeing identification mark.
• Easy mould interchangeability Fast mould production.
• Moulds produced - 1 " , 1 1/4 " , 1 1/2 ".
• Heater - 1000 Watts Cooling - Automatic water circulation.
• Air pressure required - 150 PSI Electrical supply - Single phase.

Abrasive Cut Off Machine Automatic and in Manual Version is availane from cutting Capacity 30 MM to 120 MM Dia. 

Description:

• Absolute minimal deformation, cool & burn-free sample production.
• Effortless cutting by lever mechanism, counter balancing.
• Robust construction and rigid clamping minimizing wheel breakage.
• Large and Effective coolant delivery by unique design of casted wheel guard with focused vains
• Control Panel incorporates door limit switch, emergency stop, illumination on/off & machine-on, switches.
• Indications of door open, power on, pump on. Covering other safety norms.
• Dedicated wheels for very hard , medium hard , soft components and universal wheel, in 10 " , 12 " & 14 ", thickness 1.5mm, 2mm, 3mm, hole sizes 1" or 1.25", (Al2O3).
• Capacity : 60/80/100 mm Round Specimen.
• Table Top Version for Cutting Cap. 35 mm dia. Hardened peice / 50 mm dia solid stock (soft).

Automatic heavy duty sectioning machine for large cross sections, irregular components.

Cutting Cap. - 130 mm dia. (through hardened 42 HRc) Cutting motion - Cutting wheel swings down on the job (Chope type) or Reciprocating swinging, Automatic Clamping - T slotted bed clamping, fixed vice, Automatic filtration system.

Automatic heavy duty sectioning machine for large cross sections, especially for taking longitudinal sections.

Cutting cap. - 100 mm dia. ( hardened) / 200 mm longitudinal section of shafts ( 40 dia ) Component is fed to the cutting wheel Programmable cycle of clamping, cutting, de-clamping.

To determine the Environmental Stress Cracking Resistance as per ASTM D1693 6 Station , Circulation Centrifugal Stirring Method with “H” Class insulation motor. Sample Cutting Press (Optional)  up to 5 Ton  

It is an instrument consisting of a motor driven disk within a die cavity formed by two dies maintained at specified conditions of temperature and die closure force. It measures the effect of temperature and time on viscosity of rubber or compound.

• Mooney Measuring range 0 to 200MU,
• Pre Heat Time 0-60Sec,
• Rotor size large and small,
• Rotor speed 2.0 +/- 0.2 rpm,
• Synchronous geared motor,
• Temperature PT 100 Platinum resistors Microprocessor controlled.
• Calibrated rage 5 Deg to 200 Deg,
• Independent upper and lower platen control,
• Temp. Control Accuracy +/-0.5 C PID Temp Control,
• Torque transducer reaction torque sensor,
• Computer Controlled testing,
• Directly on line display on VGA monitor.
• Req. Air Pressure 60PSI Minimum operating pressure controlled by external regulator with gauge.

Objective accurate and reliable analysis., Online Analysis (previously saved image can also be analyses., Calibration through reflecting stage micrometer, Multiple frames per sample , 16 Detectable planes (phases) with user definable colors, Palette and histogram based threshold levels, Easy threshold/grey level detection in any defined region, Customized and user definable report templates, Flexible, Powerful and ease use.

Image Analysis

Object Definition & operation

Area and linear Measurement-Length, Dept, Shape factor, Aspect ratio, Statistical Operation: Variance , Mean & Median, Standard Deviation parameters for selected objects. Object management – Grouping search- Individual, Group wise. Chord Sizing –Retain only those above certain specified Value.

Hardware

High Resolution Metallurgical Microscope, High Resolution Color CCD Compact camera, High Resolution frame grabber card.

Oscillating Disc type Rheometer is an efficient, easy-to-use, and reliable testing equipment. We have designed the instrument in accordance with ASTM and ISO 3417. Our machine very effectively and precisely process the characteristics of vulcanized rubber compounds.

The Rheometer describes precisely and quickly curing and processing characteristics of vulcanizable rubber compounds. Computer Controlled Automated Testing, Repeatability-Continuous repeated testing, Window environment easy to operate, huge Capacity of data storage and retrieval, Color Printouts, Multiple color coded graphs for easy separation of batches, Flexible testing timings, Statically Computation of data, Fast Temperature recovery, Automatic Computation of results at the end of test sequence. Sample Volume Approx. 8 CM^3, Oscillating Disc Frequency 100Cycles/Min (1.66Hz), Oscillating Amplitude +/- 1 Deg, 3 Deg, 5 Deg, and Microprocessor Temp. Controller Calibrated range 100200 Deg C. Directly shaft mounted inline with oscillating disk. Directly online display on monitor, Air Pressure 60 PST, 4.2Kg/Cm2

Metallurgical Microscopes in Various Permutation Combinations are available with / Without Camera Attachment. With Image Transfer Facility to PC. 

Submersible Agitator is a key equipment for Quenchant Tank Agitation in Heat Treatment process. The Airless agitation with 0.5-2.0 m/sec. velocity resulting in 8000 Degree C/min hot job cooling rate achieves the required properties.

DIGITAL TRIAXIAL SHEAR TEST APPARATUS- FOR 38 MM DIA SPECIMEN - FOR CD UU CU TEST 

Compliance Standards : IS : 2720 (Part XII)

Set up consist of following parts and accessories:

• Load Frame motorized capacity : 50 KN (5000 kgf) giving different rates of strain
• Load cell : 02 KN (200 kgf) capacity, Resolution (1 kgf), Strain Gauge in full bridge configuration.
• Pore Pressure transducer : 10 bars (10kg / cm2) With 0.01 kg/cm2 ACCURACY or 20 bars (optional)
• LVDT (displacement sensor) : Range ± 25 mm with resolution of 10 microns (0.001 mm).

Details:

• 150 mm 4 Part Cast Iron Cube Mould with cast iron or M.S. Base Plate
• Weight of the the total Assembly 14 to 18 Kgs as per requirements.
• All fasteners are white zinc plated.
• 150 x 300 mm Cast Iron Cylindrical Mould with Cast iron Base plate
• 100 x 200 x 300 mm Slump Cone Optional: Tamping Rod of 600 x 16 mm

We have wide range of Universal Testing Machines from 1 Kn to 2000 Kn Capacity for various applications. Every machine is calibrated in accordance with procedure laid down in BS 1610-1964 and 1828-1991. Computerized Universal Testing Machine comply with grade A of BS 1610-1964 and grade 1 of IS 1828- 1991. An accuracy of +/- 1% guaranteed from 2% to 100% of capacity of the machine.

DIGITAL- IS:2720 (PART XVI) 

Details:

• Alphanumeric 4 line display indicating: Load, displacement, status, peak value of flow and Load.
• Digital display to measure the load up to 10000 Kg /100 KN, Least Count 0.1 kg/0.001KN.