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New design configuration enables up to 95 percent machine utilization rates in 5-axis machining applications.

Makino updates MMC2 automated pallet-handling system for compatibility with a61nx-5E 5-Axis HMC

Automation is essential in helping manufacturers achieve maximum return on investment (ROI) from their machine tools. Today, Makino is pleased to share the availability of a new design configuration for its popular MMC2 automated pallet-handling system, which enables full compatibility with the company's uniquely designed a61nx-5E 5-axis horizontal machining center. Together, these technologies offer a powerhouse combination of processing speed and flexibility, giving aerospace manufacturers more control over their workflow and the ability to adapt quickly to customers' just-in-time needs for complex, multi-dimension part applications.

The updated MMC2 retains the same modular design and capabilities of its predecessors, but with a new pallet-transfer interface on the system's rail-guided vehicle (RGV). This interface can handle the unique pallet designs used on the a61nx-5E. As a result, manufacturers are able to achieve spindle utilization rates upwards of 95 percent to further maximize the value of their a61nx-5E investment.

“Based on feedback from current a61nx-5E owners, we'd come to realize that the machine's productive capabilities were so high that most operators were struggling to keep their machines fed with raw materials,” said David Ward, product marketing manager at Makino. “While we see this as a good problem to have, it is still an issue that we wanted to address. By providing this optional pallet interface on the MMC2, we're able to help manufacturers keep up with the productivity rates of the a61nx-5E to get the most value out of their investments.”

Capacity for Future Business Development

The MMC2 is designed to accommodate up to 15 machining centers and four work-setting stations into a single system. Each system can hold up to 200 pallet stockers—stacked either one, two or three layers high—with a virtually unlimited variety of parts and fixtures.

The system's RGV is supported by a floor rail and upper-guide rail for enhanced stability and simultaneous, high-speed movement. The system's work-setting stations (WSS) provide easy access for operators to load and unload parts either by hand or crane. Each WSS has 180-degree pivoting doors to save space and prevent a cluttered work area. The MMC2 can be equipped with optional workpiece washing guns.

Users of the MMC2 frequently report spindle utilization rate improvements of up to 95 percent, leading to dramatic increases in production without adding staff or equipment. The MMC2 system permits users to virtually eliminate part setup time, reducing non-value-added time in their machining operations. By providing a continual flow of parts to the a61nx-5E, the system can run for extended periods unattended, including over nights and weekends.

Flexible Scheduling and Cell Management

The updated MMC2 retains the same Microsoft Windows-based MAS-A5 control software, which helps maximize production output while monitoring multi-machine production requirements. The MAS-A5 main PC hard drive stores and manages all NC programs for optimum machine utilization, including NC programs that exceed CNC memory. With these storage capabilities, there is practically no limit to the number of fixtures and associated process sequences and offsets that can be logically assigned to an individual pallet.

Tool data, both in and out of the a61nx-5E machines, can be accessed and modified from the MAS-A5 user interface. A variety of file formats for tooling and part information are supported and can be displayed to assist with part loading/unloading and tool-setting operations. The Tool-Life Predict function enables the MAS-A5 to gather tool-life data per NC program. When a request is opened, this function informs the operator of how long a tool is used in each NC program execution, as well as how many spare tools per machine are required to finish any work that is currently loaded or awaiting processing at the time that the request was placed. The MAS-A5 then schedules work only for the machines that meet tool-life and availability requirements for the desired process sequence. Interfacing with a tool presetter also reduces errors by automatically capturing tool-offset data, which can be transferred from the presetter to the MAS-A5 system control.

Standard control features include in-cell production scheduling, equipment status monitoring, NC program management and on-board reporting. These capabilities enable the MMC2 to assign work and initiate operations automatically, based on machine and material availability, using maximum spindle capabilities and monitoring all automated procedures.

Press release issued by Makino Milling Machine Co. Ltd. on March 28, 2017

 

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Makino Milling Machine Co. Ltd. Milling, Machining Systems

 

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