Modern Machine Shop

JUN 2017

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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26 MMS June 2017 mmsonline.com RAPID TRAVERSE Machining Technology in Brief outer profile of the workpiece. Once threaded into the over-grip collet, the sleeve prevents parts from falling inside the chuck or getting stuck rather than ejecting into the parts catcher. The sleeve also provides a tight seal that improves the abil- ity of through-spindle coolant or shop air to aid in part ejection. Mr. Saccomanno also recommends using programmed cycle stops while validating a pro- duction setup to ensure part ejection is reliable. Nonetheless, combined with the precision and gripping security common to all Microconic col- lets, capability for extreme overgripping can enable "doing things on the subspindle that you never would have dreamed of before," he says. Masa Tool, call 760-732-1422 or visit masatool.com. Identifying and Overcoming Skill Vulnerabilities in Staffing BY PE TE R Z E LI N S K I R educing head count due to economic chal- lenges is a response that of ten leads to longer-term challenges. This is particularly true in machining facilities, where skilled employees oversee sophisticated machines. If the facility is left with too few of the key people who are able to run the shop's most complex equipment, then having just one or two of those critical employ- ees resign or become sick could leave costly equipment sitting idle. Here is the plant's cross-training chart as of the beginning of this year. The chart has machine tool types across the top and employee names (blurred) down the lefthand side. The percentage shown at the intersection of each employee and machine indicates the employee's proficiency with that machine. After a necessary downsize, a machining facil- ity in Texas recently took stock of its own staffing to see how vulnerable it was to this danger. The

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