| | | minimizes the potential for industrial electrode wiping action during the weld, even at maximum force settings. Based on actual test data, industrial bearing life exceeds 25 million operations when used according to the specifications. High Speed Capability A top-mounted air actuation system, with a regulator and dual flow controls, ensures repeatable, reliable, high-speed operation in automated applications. Threaded holes on the back of the heads make them easy to mount, without their post or base, in automated work stations. EZ-AIR provides unsurpassed repeatability and ease of set-up. Precision Control Thin-Line Weld Heads add consistency and control to complex welding applications. | | Their low inertia designs ensure the fast dynamic response required for the electrodes to follow the minute expansion and contraction of the weld joint as it heats and cools. A differential motion force-firing system initiates the welding control at the precise moment when the pre-set electrode force is applied to the workpieces. Electrodes and Accessories A complete line of accessories and electrodes are available. Refer to the accessories data sheet 991-160. Optics are available for all heads. All heads are supplied with welding cables, firing switch cables, mounting hardware, and one set of electrodes. | | |
| | | The Thin-Line Ranges Miyachi Unitek's Thin-Line Weld Heads consist of three families of full-featured products for precision metals joining: 80 Series -20 lb. (89N) 40 lb. (178N) 180 Series -100 lb (445 N) 90 Series -150 lb (667N) All are precision, low inertia, force-fired designs, with a narrow vertical profile. They are ideal for both production line and bench applications and can operate at speeds greater than 3600 welds per hour. Durable High Quality Design Rugged construction, linear ball bearing bushings and an over-sized, anti-rotation bearing system provide perfect linear travel of the upper electrode arm. This system | | |
| | | Opposed Configuration Top and bottom electrodes are used to hold the parts and provide the current path. An opposed weld is preferred over other configurations because it is easier to set-up and control the current path. It should be used whenever possible. | | Step Configuration Thin-Line weld heads designed for series welding can also be set up in a step configuration. Two top electrodes are used, but one electrode contacts the top part and the other electrode contacts the bottom part. A single weld is produced at the part Step Weld to part interface. Independent force control allows the electrode force on the bottom part to be set much higher than the force on the top part. Parallel Gap Configuration Parallel gap welding results in a single weld spot under the gap between the electrodes. It is used to weld very small parts. Two styles of parallel gap electrodes are available: Unitips® which are permanent | | |
| | | Series Configuration Using two top electrodes, a series weld can be used when there is no access to the bottom part. Both electrodes contact the top part and current is passed through the top part to the bottom part. Two weld spots are produced, one under Series Weld each electrode. Independent force control allows for separate adjustment of each electrode force and is used to balance the heat between the two weld spots. 2 | | |