Modern Machine Shop

SEP 2018

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Page 142 of 220

MMS SEPTEMBER 2018 140 IMTS 2018 Products On Display Insert Drill Shines in Interrupted Cuts a balanced cut. The drills are available in both imperial and metric shanks with standard fractional diameters. In addition, drills ranging to 26 mm in diameter are available in 1 / 2 -mm increments, while those ranging from 26 to 47 mm in diameter are available in 1-mm increments. According to the company, the drill is a good candidate for appli- cations involving interrupted cuts. This includes entering and exiting on an angled surface, which enables certain operations to be performed without milling first. Chip-formation characteristics are said to make it particularly useful for the aero- space, heavy equipment, automotive and energy industries. | Allied Machine & Engineering | West, Level 3 & Annex, Booth 431436 Allied Machine & Engineering's 4TEX insert drill makes shallow 2×D, 3×D and 4×D holes in the 12 to 47 mm (0.472" to 1.850") range. The drill's single cutting edge provides high penetration rates on light-duty machines. According to the company, lacking a center cool- ant outlet improves the drill's core strength and, by extension, hole size and straightness. Instead, the drill features twisted coolant outlets to improve hole straightness and pen- etration rates by enhancing coolant flow and chip evacuation. Material-specific insert geometries are available to improve hole quality and penetration rate while also preventing chips from wrapping around the tool. The shape of the four-sided inserts is said to improve surface finish, hole diameter and hole straightness by facilitating

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