Modern Machine Shop

AUG 2018

Modern Machine Shop is focused on all aspects of metalworking technology - Providing the new product technologies; process solutions; supplier listings; business management; networking; and event information that companies need to be competitive.

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MMS AUGUST 2018 156 IMTS 2018 Milling Machines Deep-Hole Drilling Series Targets Die/Mold, Medical Industries Mollart Engineering offers deep-hole drilling equipment for applications including medical parts with micro- holes, biomass pellet dies with mul- tiple holes, and dies and molds with deep cooling holes. The company offers single and multi-spindle gundrills and BTA drill- ing centers, multi-station micro-drill- ing machines, and special-purpose in-line and rotary transfer machines. Also available are combination machining centers with integrated gundrilling stations that can reduce lead time and enable single-cycle production. | Mollart America | South, Level 3, Booth 339190 Updated HMCs Support Unattended Operation Makino's latest a51nx and a61nx HMCs feature the same rigid castings and axis designs of the original platforms, but with increased spindle torque and improved tool monitoring capability. The HMCs also feature advanced motion controls and the company's Professional 6 control. A vision-type broken tool sensor supports unattended operation by validating the condition of cutting tools after each tool change. By creating cutting tool silhouettes, the sensor also detects the length, size and approximate weight of each tool. This information can then be applied to automatically set the tool-change speed to the appropriate setting (fast, medium or slow). The sensor has few moving parts and requires no physical contact with cutting tools, improving long-term reliability and decreasing risk of chipping delicate tool materials. Inertia active control technology has also been expanded on the HMCs. In addition to optimizing positioning motion of the rotational B axis, the technology improves acceleration and deceleration rates along the Z axis. It has been added to the rotation of the ring-type tool magazine as well. Each time tools are loaded into the magazine, the technology evaluates the weight held in the ring and adjusts accel- eration to match the total load. This reduces the time the tool magazine seeks tools. | Makino Inc. | South, Level 3, Booth 338700

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