Impact Testing Machine
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Our Impact Testing Machine is designed for conducting Izod & Charpy tests. We are a reputed Manufacturer and Supplier of Impact Testing Machines which are known for their reliability as well as efficiency. We provide Impact Testing Machines which are easy to operate and are available at market leading prices. Working Mechanism of Impact Testing Machine (Model IT-300 E) There are two starting positions in the Impact Testing Machine, one for Izod testing and one for Charpy tests. The material specimen to be tested is broken with the aid of a pendulum which is mounted on anti friction bearings. The energy absorbed is measured. Features Braking controls provided for stopping the pendulumSimple operationInterchangeable Strickerâs for IZod and Charpy positionSafety guards for operator safety
hardness testing machines
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For Rockwell, Rockwell Superficial & Brinell Testing) Principal : Rockwell & Rockwell Superficial tests consists of forcing an indentor (Diamond or Ball) into the surface of a test piece in two steps i.e. first with preliminary test force and thereafter with additional test force and then measuring depth of indentation after removal of additional test force (Remaining preliminary test force active) for measurement of hardness value.Brinell test consists of forcing a hardened ball into surface of a test piece with a specified test-force and measuring the diameter of indentation for evaluation of Brinell hardness number. Operation : For Rockwell & Rockwell Superficial Test : In case of 'RASN' series machines for Rockwell & Rockwell superficial tests a preliminary test force in first applied and then indicator is automatically set for zero. Quickly thereafter an additional test force is applied without removing the preliminary test force. When the penetration is stabilised, the additional test force is removed and the hardness number is shown directly on the indicator. For Brinell Test : The operation is exactly same as above. However, the diameter of impression is measured outside of machine by Brinell microscope. Brinell hardness number is found out by referring corresponding hardness tables showing hardness number against dia. of indentation for specified ball diameter and test force. Rockwell System Hardness TesterModel : RASN• Suitable for Rockwell Tests.• Manually Operated.• Preliminary Test Force - 98.07 N (10kgf).• Additional Test Force - 490.3, 882.6, 1373N (50.90, 140 kgf).• Total Test Force - 588.4, 980.7, 1471N (60, 100, 150 kgf).• Test Force Selection by external dialing.• Auto zero setting dial gauge. Rockwell cum Brinell Tester, Model RASN (B)• Same as RASN above in additional• Additional Test Force - 1471, 2354N (177.5, 240 kgf) • Total Test Force - 1839, 2452N (187.5, 250 kgf) 'RASN' series of Hardness Testing Machines come with much improved design and look with following major design changes. The machine body is having a taper front look and a big size dial gauge in the front. The machine is powder coated for far better look. The paint shade do not fade and machine looks like new over year. The elevating screw of machine is guided in a hardened and ground bush, not allowing movement of elevating screw more than 0.05 mm when raised to full height. The accessory is returned for years together due to hardened bush. A hardened and ground stepped bush is fixed on top of main screw for location and rest surface. This guarantees no change in results due to rough handling of test table or test piece. It means a trouble free long life machine accuracy. An antifriction linear bearing with almost no clearance is provided for a perfect vertical movement of loading plunger with minimum friction. This enable testing of small dia. pin or ball upto 3 mm dia. All machine models are provided with automatic zero setting dial gauge or digital readout. Hence zero setting at every test is avoided. All four models confirm to respective standard as under. • IS : 3804, BS 10109-2 & ASTM E-18 for Rockwell Test. • IS : 5073, BS 10189-2 & ASTM E-18 for Rockwell Superficial Test. • IS : 2281, BS 10003-2 & ASTM E-10 for Brinell Test. Rockwell Cum Rockwell SuperficialHardness Tester Model : RASN ( T ) • Suitable for Rockwell & Rockwell Superficial Tests.• Manually Operated.• Preliminary Test Force - 29.42, 98.07N (3, 10kgf).• Additional Test Force - 177.7, 264.8, 411.9, 490.3, 882.6, 1373N (12, 27, 42, 50, 90 & 140 kgf).• Total Test Force - 147.1, 294.2, 441.3, 588.4, 980.7, 1471N (15, 30, 45, 60,100, 150 kgf).• Test Force Selection by external dialing.• Auto zero setting dial gauge. Motorised Rockwell System Hardness Tester Model : RASN ( M ) • Suitable for Rockwell Tests.• Motorised for automatic Operation cycle i.e. load / dwell / unload.• Preliminary Test Force - 98.07N (10kgf).• Additional Test Force - 490.3, 882.6, 1373N (50, 90, 140 kgf).• Total Test Force - 588.4, 980.7, 1471N (60, 100, 150 kgf).• Test Force Selection by external dialing.• Auto zero setting dial gauge. Optional Accessories : • Steel Ball Indentor 1/8", 1/4", 1/2"• Testing Table 200mm dia.• Testing Table 70mm dia. with 'V' groove for round jobs 10 to 80mm dia.• Vari-rest to support odd shaped jobs.• Jominy test fixture for end quench test.• Gooseneck Adopter No.1• Special Diamond Indentor suitable for Gooseneck Adopter No.1• Short nib diamond indentor suitable for Gooseneck Adopter No. 1• Gooseneck Adopter No. 2 • Special Diamond Indentor suitable for Gooseneck Adopter No.2• Gooseneck Adopter No. 3 • Raised centre testing table 15mm dia.• Diamond spot anvil.• Cylindron anvil for testing big jobs above 20mm dia.• Eyeball anvil with 25.4mm dia or 38mm dia. ball• Gooseneck anvil for pipes 5 to 25mm ID with 5mm step inserts• Jack rest for long and heavy jobs.
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Impact Testing Machine
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We are ranked amongst the giant Manufacturers and Suppliers of Impact Testing Machine. We carry out our operations from Pune, Maharashtra, India. This pendulum Impact Tester, Model IT-30 is designed for conducting Izod and Charpy test. The test methods confirm to BS: 131: Part 4-1972 (Amended 15 Aug. 1993) BSEN: 10045-2: 1993 & ASTM: E-23-94a. The impact tester is offered with 300J energy exclusively for Charpy test conforming to ASTM E- 23. This machine is geometrically checked in the works to the most stringent requirements of the American standard. The accuracy of the machine is then verified by PROOF TEST by testing standard test specimens supplied the NIST, USA. Two sets (Low & high energy-1 set (4 Nos.)Each) must agree with the normal values within the certain tolerance specified. Charpy Test : The charpy test piece rests on alloy steel support anvils, fitted on the base of the machine rigidly held in position by Allen screws. End stopper is provided for quickly and accurately locating the test piece centrally between the supports. Izod Test : The Izod test is clamped vertically in Izod support fitted on the base of the machine. The support is provided with a machined vertical groove to suit the test piece size. The front clamp piece and the Allen screw enable clamping of the test piece in correct height with the help of Izod setting gauge supplied
Cylinder Head & Sub Assembly Leak Testing Machine
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dry leak testing machine
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A hydraulic press is used for lifting or compressing large items. Hydraulic mechanism is used to generate the force which increase the power of a standard mechanical level. Hydraulic presses are widely used in a manufacturing environment. We offer Hydraulic Press-C-frame, H-Frame -4-Pillar,2 piller which have precision grounding base plate with diagonal T-slots. Developed in compliance with international quality standards, the heavy-duty H-frame of the press enables high force applications. Due to re-tooling time, the hydro pneumatic becomes flexible and delivers consistent performance in given environment. We also offer customization on our range as per the specifications of clients.
dry leak testing machine
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Leak Test Machine.
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INTRODUCTION In the cleaning industry, components and systems must be leak tested to ensure that cleaning leakages are below specified limits. THE THREE BASIC FUNCTIONS OF LEAK TESTING ARE 1) determining if there is leakage or not (detection), 2) measurement of leak rate and 3) leakage location. There are many methods and types of test equipment for solving these problems, but unfortunately there is no single technique that fits every situation. Each test method is suitable only for a specific leak rate or for fixed forms and technologies. In most instances where leak detection is used, explicit leak rate measurement is not required, but the system must be able to recognize if the leak rate is above or below a specified level. This reference limit depends on the maximum acceptable leak rate, consistent with the reasonable working life expectation for final products, and, especially in certain countries, on rules and regulations constraints 2 LEAK TESTING METHODS A leak can be defined as an unintended crack, hole or porosity in an enveloping wall or joint, which must contain or exclude different fluids and gases allowing the escape of closed medium. Critical leak spots in closed systems are usually connections, gaskets, welded and brazed joints, defects in material, etc. 2.1 WATER IMMERSION BUBBLE TEST METHOD The water-immersion bubble test, also called "bubble testing" or "dunking", is a traditional and relatively primitive technique of leak detection. It consists of immersing a charged or pressurized part, usually with high-pressure dry air or nitrogen, in a water tank and watching for escaping bubbles. The larger and more frequent the bubbles, the bigger the leakage. 2.2 SOAP SOLUTION BUBBLE TEST Instead of submersing the part in water, the pressurized unit to be tested is sprayed with a soap solution and the operator is able to see the bubbles formed by gas escaping from where the leak is. Soap solutions are available in many different types. Some have a brush applicator and others have a dabber (an absorbent ball attached to a stiff wire inside of the cap.) Some brands may even have a spray applicator to quickly cover large areas of tubing in a short amount of time. This is an advantage but is also messy and time consuming to clean up. Some soap solutions even have an antifreeze base to prevent them from freezing in the winter time. Others may have a lower density to make them even more sensitive to very tiny leaks. This method has a higher sensitivity than water immersion. 2.3 PRESSURE DECAY TEST This method consists of pressurizing the system with a high pressure gas, usually dry air or nitrogen. Then the part is isolated from the gas supply and, after a stabilizing period, its internal pressure is monitored over time. The pressure drop Δp is measured in the time Δt. If the pressure in the system drops fast, there is a large leak present in that component or section of the system. If the system’s pressure drops slowly, there is a small leak present. If the pressure remains the same, that component is leak-free. 2.4 VACUUM DECAY TEST OR PRESSURE RISE TEST A vacuum decay test or pressure rise test works in the opposite way of the pressure decay test. This method involves evacuating the part to suitably low pressures and, after stabilizing the pressure, measuring the increase in pressure caused by test media entering the part. Only parts that are able to withstand external pressure can be tested in this way(e.g. thin-walled plastic parts cannot be tested due to the danger of collapsing).
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