Sheet Molding Compound Cutting and Stacking System
Automated production of sheet molding compound components
Take your SMC component production to the next level. The majority of SMC processing applications still rely on manual processes. The Dieffenbacher SMC cutting and stacking system enables a considerable increase in productivity and system efficiency fully automated. The SMC cutting system replaces the error-prone and time-consuming manual steps of the cutting process.
The Potential of the Cutting and Stacking System
The intelligent SMC cutting machine communicates with the stacking gantry and is thus able to implement complex laying patterns automatically. Different cutting patterns can be realized at the same time and with maximum flexibility. By means of compensation cutting, deviations in the weight of the material stack can also be actively corrected. This ensures compliance with weight tolerances. In addition, the newly developed quick-change system allows a complete SMC coil or festoon to be changed within a few minutes. With the help of gripper changing stations, the line can be switched over to the production of another component in the shortest possible time.
How does the automated SMC cutting and stacking line work?
The SMC material is unwound from the coil or conveyed out of a festoon fully automatically.
The material is then cut to size as required by automatically engaging longitudinal knives and a cross-cutting knife. The knives can be adjusted manually for creating different cut patterns.
The material feed takes place by means of a driven mangle roll system: Consistent tension on the material as well as changes in the coil diameter are compensated by the interaction of a dancer roll system with a controlled roll unwind drive, so that a constantly uniform material feed is ensured.
From the cutting conveyor, the cuts are stacked on a stacking table by using a handling robot or gantry to create an individually configurable SMC stack pattern.
Inline weight measurement of each cut and the corresponding length correction of the subsequent cut actively compensates any weight fluctuations in the material. A precise total weight of the final SMC stack is thus guaranteed.
In the final step, a robot picks up the complete SMC stack off the stacking table and is placing it into the mold using a corresponding gripper.