"Complicated operations require different machine tools to be used according to the shape of materials."
A turning center equipped with a gantry loader, bar feeder, and stocker has achieved efficient automation, while reducing the number of machine tools.
Our proposals to solve the customer’s problems are as follows.
For bar materials, a bar feeder is installed on the left side of the MT200, while a stocker is incorporated on the right side for cut materials.
As a result, both bar materials and cut materials can be processed with one machine.
In addition, if the 3-turret type is chosen, the machine can be equipped with a maximum of 54 cutting tools.
●Bar material machining cycle
Bar feeder ➡ Left axis (OP10) ➡ Right axis (OP20) ➡ Gantry loader picking up finished parts ➡ Stocker
●Cut material machining cycle
Stocker ➡Left axis (OP10) ➡ Right axis (OP20) ➡Gantry loader picking up finished parts ➡ Stocker (return)
In this way, the process of loading materials and the process of unloading finished parts have been automated.
As the number of machines has been reduced, both the investment cost and required floor space have been saved.
Through the automation, the man-hours of the respective line operators have been dramatically reduced.
By returning the remaining bar material to the stocker with the gantry loader, it has become possible to use the materials without waste.
For the bar materials, the quality has been improved by unloading finished parts with the gantry loader. For the cut materials, the production volume has increased also through the automation using the gantry loader, which allows for machining operations during lunch breaks and after work.
The product in the case study introduced here is the In-line Twin Spindle CNC Turning Center ”MT200”
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