Acme-Gridley Screw Machine Rebuilder Improves Cycle Time by 33 Percent

BME Rebuilt 1-1/4 RB-8 Acme is tooled and ready for productionThe machine tool business has many challenges and in many companies there are still opportunities for reducing costs, improving productivity and machine reliability. Machine rebuilders are trusted partners who help customers to bring a high value machine back into optimal working condition even after years of use and millions of parts.

There are different options when selecting a machine rebuilder, especially when rebuilding an Acme-Gridley in the Great Lakes region. In this case the rebuilder is Brett May Engineering also known as BME. BME is better known for their attachments and tooling but they are also an excellent option for an Acme rebuild. BME offers complete rebuilding services for Acme-Logan CS 2001 Control installed on a BME rebuilt 1-1/4 RB-8 AcmeBME completely rebuilds Acmes  13 starting from the machine baseGridley multi-spindle bar automatics. Along with rebuilding the base machine, they also offer a complete turn-key tooled machine to fit the customer’s needs. BME understands the benefit of the Logan Clutch Hi-Lo Retrokit and CS2001 control. They know that the Logan kit will reduce the cycle time of the part and that the machine will be more reliable using Logan pneumatic clutches and brake. The CS2001 control upgrades the electrical system with modern components and a microprLogan Hi-Lo Retrokits provide smooth, yet fast acting speed changes, optimizing machine productivityocessor with a configurable system that works with an absolute encoder for setting up jobs and running the machine.

To keep up with demand, the customer was paying overtime and also used an outside supplier to make parts. Part of the problem is that the machine was run so that they would avoid the risk of breaking the tooling. With the rebuilt machine using a Logan Hi-Lo Retrokit and CS2001 control the cycle time of the part was reduced from 13.5 to 9 seconds, which is a 33% reduction. The customer eliminated the overtime and will soon no longer need parts to be made by an outside supplier.

The Logan system eliminates the risk of tool breakage by having a reliable, consistent Hi-Lo brake system. The customer no longer has to adjust the clutches since the Logan air clutches are self-adjusting. Other benefits that the customer pointed out are the tapping failure detection and the machine lock-up detection. There are plans to do other machines. Logan Clutch appreciates the valuable partnership that it has with BME and their ability to integrate our products with their capabilities to help customers to reduce costs and improve productivity.


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