b'hole while producing 24 holes. pany performs a semifinishing passBeing able to use this drill, The drill cost analysis indicatedand a finishing pass with carbidehe said, knowing that the inserts that the original drill had a $14.28boring bars. werent going to explode in the cost per drilled hole and a $13.26In addition to cost savings, themiddle of the cut and knowing how machine cost per hole for a $27.54reliability of the drilling operationmany cuts we are going to get out total cost per hole. The TungSix- with the TungSix-Drill enhancedof the insert really helped us feel Drill, on the other hand, had a 45- MetalTek Internationals confidencecomfortable that these less expe-cent drill cost per hole and a $7.80that new employees could cor- rienced operators running these machine cost per hole for an $8.25rectly perform the process, espe- parts will be successful in mak-total cost per hole. For the 1,000- cially those on the second and thirding quality parts throughout the part job, MetalTek International re- shifts, Geyer said. night.CTEduced costs by about 70% through switching to Tungaloy Americas drill. correctionThe total life of the job saved usIn Julys issue, the article Give and take by Alan Richter incorrectly about 340 hours, Geyer said. stated that the moreutes a tool has, the higher the helix angle is, He described the part as a semi- which reduces the pull on a part. Mitchell Parker, process improvement recurring job. specialist for LMT Onsrud LP, actually had said the pull increases. CTE After the hole is drilled, the com- regrets the error.Ad IndexADVERTISER NAME PAGE # ADVERTISER NAME PAGE # ADVERTISER NAME PAGE #AMAMCO Tool25 GWS Tool Group69 OMG North America LLCCover 3ANCA CNC Machines5 H.B. Carbide65 OSG USA Inc.34-35Beckett Packaging, a div. of MOCAP39 Haimer USA LLC53 Platinum Tooling Technologies Inc.38Bluco Corporation31 HAINBUCH America Corporation26-27 Rollomatic Inc.9Carmex Precision Tools LLC56 J.W. Done Co.47 Royal Products78CGTech29 Kyocera Precision ToolsCover 4 Schwanog LLC73CJT Koolcarb Inc.72 Kyocera SGS Precision Tools Inc.67 Scientific Cutting Tools49Clausing Industrial Inc.21 Lang Technovation63 Star Cutter Company59Star SU LLC33Dormer Pramet11 Marubeni Citizen-Cincom Inc.40-41 Strausak Inc.55Eltool Corporation45 MIKRON TOOL57 SwiftCarb32Emuge Corporation61 Mitee-Bite Products LLC75 Tapmatic Corporation7Erowa Technology Inc.71 Nachi America (Cutting Tools)19 Tungaloy America Inc.2GMN USA42 NSK America Corporation15 Unist Inc.13Greenleaf Corporation44-45, 50-51 NT USA Corporation76 Vollmer of America Corporation17The Grinding Doc78 Okuma America CorporationCover 2 YG-1 Tool Co. Ltd.23Guhring Inc.1 OMAX Corporation24 YMW Taps USA43The Advertisers Index is provided as a courtesy to advertisers. Every effort is made to avoid errors, but should one occur, CTE is not responsible.Reviewed by the Engineering Index.Cutting Tool Engineering (ISSN:0011-4189) is published monthly. Copyright 2020 by CTE Publications Inc., 1 Northfield Plaza, Suite 240, Northfield, IL 60093-1213. All rights re served. Periodicals postage paid at Winnetka, IL 60093 and additional mailing offices. Circulated in the U.S.A. to qualified individuals concerned with the material-cutting function in industry. For others, subscriptions are $75 per year in the U.S.A.; $125 in Canada. Other foreign subscriptions are $125 per year; overseas delivery via airmail, $195. EditorialProduced in the U.S.A.and advertising offices: 1 Northfield Plaza, Suite 240, Northfield, IL 60093-1213. Phone (847) 498-9100; Fax (847) 559-4444. This magazine is protected under U.S. and international copyright laws. Before reproducing anything from this publication, call the Copyright Clearance Center Inc. at (978) 750-8400. CTE Publ ications makes every effort to ensure that the processes described in Cutting Tool Engineeringconform to sound machining practices. Neither the authors nor the publisher can be held responsible for injuries sustained while following procedures described herein. Postmaster: Send address changes to Cutting Tool Engineering, PO Box 1487, Cedar Rapids, IA 52406-1487. Canada Post: Publications Mail Agreement #40065725. Canada returns to be sent to 2835 Kew Dr., Windsor, ON N8T 3B7. ctemag.com/cteguide.com79ProTiimes.indd 79 7/20/20 5:48 PM'