ETA Technology Private Limited Bangalore, Karnataka

Machine is available for both longitudinal and circumferential seam welding A solid state welding process No flux, filler material or gas needed Provides excellent mechanical strength and adherence at the interface area It is useful for joining high strength aerospace aluminum alloys and other metallic alloys that are hard to weld using conventional fusion welding.

ETA offers high speed production cell with auto loading of Upsetters – unloading – transfer to Press and unloading from Press This is a combination of two Twin Head Uptsetters and a Positive Drive Screw Press with a Component Handling Robo which is capable of producing a Valve forging every 5 seconds The cell is designed for continuous production of engine valve head forgings. This consists of a Servo controlled Screw Press and two double head Upsetters and a Robot. The Upsetters are placed on either sides of the press, while the Robot is placed in between the Upsetters and in front of the Press. Individual Automatic component loading mechanism are provided on the Upsetters The bar components loaded manually into the bins of the Upsetters are picked and placed into the clamping vices of Upsetters. On Upsetting operation, the job is picked by the Robot and it places into the bottom die in the Press. The ram of the Press gets actuated to do forging operation, after which the unloader mechanism in the press take away the forged piece and puts in to a collection bin. All the machines are so precisely synchronized and programmed for continuous production run for making valve head forgings. The machine has a PLC based control system.

This is a computerized stand alone system, designed to perform Yoke Setting operations with programmable controlled parameters. Automatic tightening of Yoke Cover to achieve required input pinion torque and yoke lift within set tolerance range is achieved by this machine. All controls are driven by a standalone dedicated real time hardware (cRIO / PXI) and HMI are on MS OS based PC. Online / Offline plots and displays with reports & results offer flexibility in data analysis No. of Stations: 1 No. of Models: X1, X2, Indica, Indigo. Steering loading: Manual Spring loading: Manual Yoke Cover Loading: Manual Cover Torque: 35 Nmtr Max Cover Rotation Speed: 0 to 99 % Max Valve Shaft Drive Speed: 60 rpm. Max Valve Shaft Drive Torque: 18 Nmtr. Lift Sensor Range: ± 7 mm Lift Sensor Resolution: 1 micron

The machine shown on this page is capable of providing up to 20 kN axial thrust to the stir welding tool and can accommodate a job size of 350mm x 200mm x100mm (L x B x H). We follow an Engineer-To-Order(ETO) process and hence the specification of each machine varies as desired by customer requirements. It is useful for joining high strength aerospace aluminum alloys and other metallic alloys that are hard to weld using conventional fusion welding.

In a conventional Friction Screw Press, energy is transmitted from the transmission wheels to the flywheel by friction through a leather band. On the return stroke, energy stored in the moving parts is dissipated as heat by applying brake. In our machines, the two transmission wheels on the conventional Friction Screw Press are dispensed with. The flywheel is driven by an AC servo/ spindle motor through a timer belt/ gear. The motor can be made to run the flywheel at a preset speed very precisely till the dies come very close. The motor is now disabled and the entire energy in the moving masses gets transferred to the job. When the moving die comes to rest, the motor is reversed and the ram returns to its home position very precisely. Since there is no mechanical braking, no energy is wasted during return stroke. The motor brakes on line – regeneration principle where the kinetic energy in the moving mass is converted to electrical energy and sent back to the mains. Since the drive motor does not run when the ram is stationary no energy is consumed during idling of press. Available in 140-250 Tons Flywheel Driven This press is used for making forged parts like Engine valve head. It consists of a vertical rectangular frame on top of which a servo controlled motor is mounted, which drives a Screw mounted with a fly wheel to move the ram of the press up and down. The ram bottom is fitted with top die, while the bottom die is mounted on the bolster plate of the press. The servo motor is made to run the flywheel at a preset speed very precisely till the dies come very close. The motor is now disabled and the entire energy in moving mass gets transferred to the job kept in the bottom die. When the moving die comes to rest, the motor is reversed and the ram returns to its home position. Since there is no mechanical braking, no energy is wasted during return stroke. The motor brakes by online-generation principle, where the kinetic energy in the moving mass is converted to electrical energy and sends back to the mains. Since the drive motor does not run when the ram is stationary, no energy is consumed during idling of Press.