Assembly and testing
lines for the actuator
Strama-MPS turbocharger lines offer impressive product quality for each individual machine as well as maximum availability. Changeover kits for quick-change over are automatically identified by the control.
An injection needle is a high-precision component used in an injection system. Strama-MPS produces highly-automated machines for the assembly of such injection needles which optimally fulfill our customer’s high quality standards. Our machines are able to achieve highest precision (µm) in aligning a partially coated ball over the centroid of an area by means of high-precision camera systems and by subsequently laser welding the ball onto the needle. All process data are filed and evaluated by the MES in accordance with current Industry 4.0 standards.
A wide variety of pneumatic cylinders can be produced in a large scale. Our fully-automated, highly flexible assembly machine can be divided into three sections. Our linear transfer conveyors are equipped with direct drives and reduce nonproductive time (changeover of workpiece carriers) to a minimum. The central master MES controls each and any movement within the line. Fully-automatic component feed systems using cameras and robots are used to meet the requirements of a wide range of parts which need to be handled. All implemented processes such as joining, pressing, greasing, screw-fitting, roller-burnishing, gluing and press-fitting are designed to be highly flexible.
Our semi-automatic assembly machine for throttle valve manufacturers focuses on the lean concept. This is why the line is designed in a U-shape thus allowing for external component logistics (at the rear of the line). Both the plastic laser welding of contour areas by segments with three optics, as well as the hot stamping of plastic pins are highlights of the line. The quality of the parts is tested by means of an air mass flow rate test using a laminar flow system.
Assembly of high-pressure control valves requires a detailed know-how of complex joining processes with residual air gap of only a few thousandth of a millimeter. Besides assembly tasks in the classical sense our machines also carry out the required testing tasks such as the setting of a pressure/flow rate curve or performing a leakage test; in addition they also transmit quality data to the customer’s in-house master computer system.
This assembly and testing machine is designed to interface with a machining center but also allows for manual loading by the operator. The line is designed for a wide variety of assembly techniques such as gluing, screw-fitting, greasing, joining and O-ring assembly. In combination with the respective quality testing processes (glue quantity test, leakage testing, torque testing) our machine is able to ensure optimum product quality for our customers. The manufacturing process is completed by the subsequent packing process.
The assembly and testing machine is a highly effective machine which can be used for a wide range of products. A continuous and uninterrupted quality monitoring is achieved by the combination of a force-displacement monitoring carried out during the highly dynamic joining processes and a subsequent leakage test. A linear interface to the upstream machining center and the downstream packing unit, which forms the end of the line, allows for the manufacture of a ready-to-ship product without any outside logistics being required.
Our assembly lines for current tripping devices are complex rapid-cycle machines with circulating workpiece carriers. Automatic palletizing systems as well as step feeders and vibrating spiral conveyors are used for feeding and discharging of the workpiece. The assembly machines allow for implementation of the following processes: Wire flaming with hydrogen flame, laser welding, TIG welding, TIG soldering, resistance welding, spring force testing, testing of the trigger characteristics, force measurement, thermal ageing, inductive ageing. The machine can be set up for a wide variety of component types and allows for the manufacturing of one piece of a kind only just as well as for large-scale production and thus provides maximum flexibility for our customers.
Our highly flexible assembly and testing machines are used to assemble a wide range of safety circuit breakers which are then individually set up and tested. A skillful integration of manual workstations also allows for the production of customized small series and/or emergency production. Synchronization and dynamic adjustment processes can minimize product tolerances resulting from individual part variances.
Quick workpiece carrier changeover times and gap determination as an inline process are the highlights of our DC-drive assembly machines. High-precision solenoid drives can be produced in very short cycle times thanks to individual upsetting and magnetizing processes. The machines integrate perfectly into our customer’s fully-automatic logistics systems.
Our assembly machines for safety circuit breakers stand out due to their high flexibility when it comes to manufacturing individual components and their need to be changed over for the manufacture of non-standard components only; additionally, they feature fully automatic component feed systems and a completely autonomous quality monitoring system.