Linear motion via ballscrew drives
Linear motion of machine tool axes is often achieved using screws and nuts.
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Workholding for nonround parts
When it comes to workholding, one size definitely does not fit all. For example, workholding setups for round parts have similarities to setups used for all other prismatic (nonround) parts, but the latter has unique challenges.
Tips for turning parts on manual lathes, part 2
As a follow-up to my April column, here are additional tips for enhancing the operation of a manual lathe.
Software increases spindle utilization
END USER: Mainland Machine, (805) 543-7149, www.mainlandmachine.com. CHALLENGE: Increase spindle run times. SOLUTION: CAM system that enables efficient programming when machining with custom fixture plates. SOLUTION PROVIDER: DP Technology Corp., (805) 388-6000, www.dptechnology.com
Tool for faster service
END USER: Fox Valley Metrology Ltd., (920) 426-5894, www.foxvalleymetrology.com. CHALLENGE: Providing faster service when repairing hand-held instruments. SOLUTION: A honing tool that allows repairing measurement instruments at a customer's site. SOLUTION PROVIDER: Brush Research Manufacturing Co. Inc., (323) 261-2193, www.brushresearch.com.
Turning and hobbing combined
END USER: Mercury Marine, (920) 929-5000, www.mercurymarine.com. CHALLENGE: To increase productivity when machining driveshafts and propeller shafts. SOLUTION: A lathe with a hob assembly. SOLUTION PROVIDERS: Okuma America Corp., (704) 588-7000, www.okuma.com
Machine Tool product review for June 2012
The CTE editorial staff offers a machine tool product review.
Workholding product review
The CTE staff offers a workholding product review.
Speedy alignment
When loading a toolholder into a machine tool spindle with an automatic toolchanger, misalignment of the ATC gripper to the spindle can damage the spindle taper. In addition, a misaligned, clamped toolholder increases cutting tool runout.
For practically any large-diameter boring job, there is a system that can get the job done
Boring is a common hole finishing operation, but boring large-diameter holes is a bit of a niche market. "Depending on the industry, you may only find a handful of shops in some areas capable of doing this type of work," said Ron West, global product manager for Kennametal Inc., Latrobe, Pa. "They have the larger equipment necessary to do this type of work on a regular basis."
The Russian spy
Check out the Shop Operations column in the May 2012 issue of Cutting Tool Engineering to learn how a WWII-era Russian spy continues to serve as a cautionary tale about the perils of daydreaming.
A they did what?! moment
In spite of my good intentions, trying to understand an employee's logic for engaging in certain behaviors can be bewildering, writes Manager's Desk columnist Keith Jennings in the May 2012 issue of Cutting Tool Engineering.