Machine Configuration: STAMA make Twin Spindle VMC with Rotary Pallet Changer; Controller Fanuc 18iMA
Component to be machined: Master Cylinder
- High productivity.
- One Rotary Table on each pallet.
- Operations on two components to be done simultaneously.
- Machine Output: 2 finished components per cycle.
Solution offered & installed: Taking into consideration the production requirement and the accuracies involved UCAM proposed a Multi-Spindle Rotary Table with 4 Spindles on one pallet and a Rotary Production System with 4 fixtures with high-resolution encoder on the other pallet.
Solution offered to customer:
Multi Spindle Rotary Table with Component Fixture
- STAMA VMC is with Twin Spindle with a center distance of 340mm, tolerance +/- 0.020mm.
- Swing of Rotary Pallet Changer was very compact – 1500mm.
- Tooled up solution was required including the fixturing.
- High productivity required on the machine.
UCAM Solution: For Multi Spindle Rotary Table: Due to the compact swing i.e 1500mm of machine pallet changer UCAM had to design a special Rotary Table – 4 Spindle Multi Spindle Rotary Table with the Center Distance between 1st & 3rd Spindles and 2nd & 4th Spindles as 340mm to match the Machine spindle center distance.
For Rotary Production System: The design was made such that the 1st & 3rd and 2nd & 4th Fixture station was maintained with a center distance of 340mm.
Both the Rotary Production System and Multi-Spindle Rotary Table were supplied with hydraulic fixturing.
A high resolution encoder was mounted onto the Rotary Production System to get accuracy of +/- 5”
Complete Electrical interfacing was done by UCAM team.
Bosch Chassis Systems India Ltd is very happy with the solution provided by UCAM. They are able to get the required productivity on a single machine using UCAM Rotary Tables instead of multiple setups required for this component.
Bosch Chassis Systems India Ltd is planning to repeat the order to meet the industry requirement of master cylinders.