project scope Shoe Insole Assembly Machine
This project was presented to SDC by a manufacturer looking for an assembly machine that would increase production capacity and decrease the amount of labor required for high-volume manufacturing of orthopedic shoe insoles. The original assembly process required many manual process steps that would now be automated. The project required the integration of several third part systems including a logo applicator and Greenerd hydraulic press.
SDC chose a four-position rotary indexing machine driven with a variable frequency drive for more advanced speed control. The insole material was loaded into the machine by an operator after the completion of an index. The completed assemblies were manually removed in the same position. During the hand loading process the three automatic stations (press, heal pad application, and logo application) would complete. The operator was protected from the three automatic stations by a combination of light curtains and physical guarding.
Air tube heaters were used to activate the heat sensitive material for the heal pad application. A PID based heating system was used to control the logo application head. The logo applicator was mounted on a XY servo positioning system to move based upon the machine recipe selected.
The result was an assembly machine that met the customers project goal of integrating the manual process steps into an automated piece of equipment. The success of the project led to the customer ordering two more duplicate machines within a year later to meet increased demand.
SDC's custom solution produced one completed pair of insoles every 6 seconds
what's induced machine details
- AC Motor driven rotary indexing dial
- Greenerd Hydraulic Press integration
- Heat sensitive logo application
- Heating control system for heal pad application
- Recipe system to accommodate all customer part types
- Allen Bradley PLC & HMI
- Allen Bradley motion control system
- Complete machine safety system
- Remote plant connectivity
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