Drilling & Boring

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.

END USER: Richardson Manufacturing Co., (217) 546-2249, www.rmc-bigcnc.com. CHALLENGE: Achieve a tight tolerance without increasing cycle time. SOLUTION: A combination drill that eliminated an unreliable boring operation.

As the U.S. strives to become less dependent on foreign energy sources, energy producers are increasingly employing hydraulic fracturing, or "fracking," to drill shale deposits and extract natural gas and some oil. That booming market requires a range of parts from shops around the country.

States near the Marcellus Shale, a huge natural gas formation centered in Pennsylvania, are feverishly pursuing a $4 billion ethane "cracker" to be built by Royal Dutch Shell. The cracker will process ethane-rich gas from the Marcellus Shale into ethylene, and the ethylene will be used by the pharmaceutical, chemical and plastics industries.

END USER: Machine Tech CNC, (780) 461-0890. CHALLENGE: Accurately bore 14 diameters deep and deeper. SOLUTION: Carbide-reinforced boring bars with built-in vibration damping.

Complete with a built-in digital display, BIG Kaiser's new Series 112 EWD 2-54 Digital Precision Finish Boring Head allows operators to make precision adjustments on the fly.

Alan Richter takes a Look Ahead at a new solid-carbide drill dedicated for steel applications.

END USER: Marquardt Engineering Inc., (847) 669-0690, www.marquardt-eng.com. CHALLENGE: Eliminate chatter to prevent indexable inserts from blowing up and causing catastrophic tool body failure when drilling 4150 prehardened steel. SOLUTION: A new drill body and inserts.

END USER: Three Sigma Manufacturing Inc., (253) 395-1125, www.threesigma.net. CHALLENGE: Improve cycle times and prevent catastrophic failure when drilling a hole in a complex aerospace part. SOLUTION: A replaceable-tip drill that reduced cycle times and provided progressive failure indicators.

Horizontal boring mills are behemoth in size and flexibility.

Machine tool builders discuss the development and evolution of drill and tap machines.

END USER: U.S. Alloy Die Corp., (216) 749-9700, www.usalloydie.com. CHALLENGE: Improve productivity when drilling H-13 tool steel extrusion dies. SOLUTION: Carbide drills that eliminated pecking and more than doubled throughput. SOLUTION PROVIDERS: OSG Tap & Die Inc., (630) 790-1400, www.osgtool.com; Shop Supply & Tool Co. Inc., (440) 951-4700, www.shopsupply.net.