CBN with Wavy Joint technology achieves stable machining of hardened steels

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Lewis Edwards
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1 TurnLine Tungaloy Report No. 515-G CBN with Wavy Joint technology achieves stable machining of hardened steels

2 ACCELERATED MACHINING

3 TurnLine Robust as ever! For outstanding performance in hard turning applications.

$8 mm Reduces the number of passes to increase productivity - Innovative WavyJoint brazing technology Prevents the CBN tips from debrazing, eliminating abrupt insert fractures during demanding dry$

4 For high efficiency hardened steel machining New brazing technology for increased machining efficiency - Wavy Joint 4 cutting edges - A maximum depth of cut up to 0.8 mm Reduces the number of passes to increase productivity - Innovative WavyJoint brazing technology Prevents the CBN tips from debrazing, eliminating abrupt insert fractures during demanding dry machining, while securing stable and predictable hard turning operations Wavy Joint BXA20 Vs. CBN tip size: Up 200% for improved heat control in the cutting zone Brazing area: Up 160% for enhanced brazing strength 4 T-CBN series Temperature during machining is concentrated on the CBN tip, reducing temperature issues in the brazing zone. Workpiece material Cutting speed Feed Depth of cut Coolant : SCM420 / 20CrMo4 (60HRC) : Vc = 150 m/min : fz = 0.20 mm/rev : ap = 0.75 mm : Dry

ACCELERATED MACHINING APPLICATION Hard Turning Vc (m/min) Cutting speed: 300 250 200 150 100 50 0 Wavy Joint BXA20 0 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.

CUTTING PERFORMANCE Effect of increased brazing area Wear width on relief face (mm) 0.20 0.15 0.10 0.05 Wavy Joint BXA20 0 0 0.5 1.

5 ACCELERATED MACHINING APPLICATION Hard Turning Vc (m/min) Cutting speed: Wavy Joint BXA Depth of cut: ap (mm) Wavy Joint BXA20 Great performance for continuous to heavy interrupted cutting at low and medium speeds. CUTTING PERFORMANCE Effect of increased brazing area Wear width on relief face (mm) Wavy Joint BXA Cutting Length (m) Insert Workpiece material Cutting speed Feed Depth of cut Coolant : = 2QP-CNGM12408-HM BXA20 Wavy Joint = 4QS-CNGG HM BXA20 : SCM420 / 20CrMo4 (60HRC) : Vc = 150 m/min : fz = 0.20 mm/rev : ap = 0.75 mm : Dry Flaking Cutting Length : 0.35 m Cutting Length : 0.85 m Wavy Joint BXA20 The WavyJoint technology prevents the braze from overheating due to the increase in cutting edge temperature during dry cutting, greatly improving the brazing strength. The result: stable machining and extended tool life. 5

6 INSERT Grade Feature Shape Designation Coated BXA20 No. of corners I. C. dia. Thickness Hole dia. Corner radius CBN length ød s ød1 rε a New New 4QS-CNGG HM QS-CNGG HM QS-CNGA H QS-CNGA H a r s : Line-up d1 d STANDARD CUTTING CONDITIONS ISO Workpiece materials Grade Work condition Cutting speed Vc(m/min) Depth of cut ap (mm) Feed f (mm/rev) BXA20 Continuous Hardened steel BXA20 Interrupted T-CBN series

7 ACCELERATED MACHINING PRACTICAL EXAMPLES Workpiece type Insert Grade Automotive part 4QS-CNGA BXA20 SCM420 / 20CrMo4 (60HRC) Workpiece material Cutting conditions Cutting speed : Vc (m/min) Feed : f (mm/rev) Depth of cut : ap (mm) Coolant Dry Results Tool life (pcs / edge) Wavy Joint Competitor 2 times tool life! The Wavy Joint technology insert successfully machined 150 pcs/corner, almost twice that of the competitor s, without CBN tip failure. 7

Tungaloy Corporation (Head office) 11-1 Yoshima-Kogyodanchi Iwaki-city, Fukushima, 970-1144 Japan Phone: +81-246-36-8501 Fax: +81-246-36-8542 www.tungaloy.co.jp Tungaloy America, Inc.

8 Tungaloy Corporation (Head office) 11-1 Yoshima-Kogyodanchi Iwaki-city, Fukushima, Japan Phone: Fax: Tungaloy America, Inc N Ventura Drive Arlington Heights,IL 60004, U.S.A. Phone: Fax: Tungaloy Canada 432 Elgin St. Unit 3 Brantford, Ontario N3S 7P7, Canada Phone: Fax: Tungaloy de Mexico S.A. C Los Arellano 113, Parque Industrial Siglo XXI Aguascalientes, AGS, Mexico Phone: Fax: Tungaloy do Brasil Ltda. Avd. Independencia N4158 Residencial Flora Vinhedo, São Paulo, Brasil Phone: Fax: /br Tungaloy Germany GmbH An der Alten Ziegelei 1 D Monheim, Germany Phone: Fax: Tungaloy France S.A.S. ZA Courtaboeuf - Le Rio 1 rue de la Terre de feu F Courtaboeuf Cedex, France Phone: Fax: Tungaloy Italia S.r.I. Via E. Andolfato 10 I Milano, Italy Phone: Fax: Tungaloy Czech s.r.o. Turanka 115 CZ Brno, Czech Republic Phone: Fax: Tungaloy Ibérica S.L. C/Miquel Servet, 43B, Nau 7 Pol. Ind. Bufalvent ES Manresa (BCN), Spain Phone: Fax: Tungaloy Scandinavia AB Bultgatan Kungälv, Sweden Phone: Tungaloy Rus, LLC , Russian Federation, Moscow, Andropova avenue., h.18, bld.7, flt. 11, office 3. Phone: Tungaloy East LLC , Russian Federation, Sverdlovsk Region, Ekaterinburg, Mamina-Sibiryaka str., bldg. 101, room 202 Phone: /24 Fax: Tungaloy Polska Sp. z o.o. ul. Genewska Warszawa, Poland Phone: Fax: Tungaloy U.K. Ltd The Technology Centre, Wolverhampton Science Park Glaisher Drive, Wolverhampton West Midlands WV10 9RU, UK Phone: Fax: salesinfo@tungaloyuk.co.uk Tungaloy Hungary Kft Erzsébet királyné útja 125 H-1142 Budapest, Hungary Phone: Fax: info@tungaloytools.hu Tungaloy Turkey Dudullu OSB 4. Cad No: Ümraniye Istanbul, TURKEY Phone: Fax: tr info@tungaloy.com.tr Tungaloy Benelux b.v. Tjalk 70 NL-2411 NZ Bodegraven, Netherlands Phone: Fax: Tungaloy Croatia Josipa Kozarca Bregana, Croatia Phone: Fax: Tungaloy Cutting Tool (Shanghai) Co.,Ltd. Rm No 401 No.88 Zhabei Jiangchang No.3 Rd Shanghai , China Phone: Fax: Tungaloy Cutting Tool (Thailand) Co.,Ltd. Interlink tower 4th Fl. 1858/5-7 Bangna-Trad Road km.5 Bangna, Bangna, Bangkok Thailand Phone: Fax: Tungaloy Singapore (Pte.), Ltd. 62 Ubi Road 1, #06-11 Oxley BizHub 2 Singapore Phone: Fax: Tungaloy Vietnam LE 04-38, Lexington Residence 67 Mai Chi Tho, Dist. 2, Ho Chi Minh City, Vietnam Phone: Fax: Tungaloy India Pvt. Ltd. Indiabulls Finance Centre, Unit # 902-A, 9th Floor, Tower 1, Senapati Bapat Marg, Elphinstone Road (West), Mumbai , India Phone: Fax: Tungaloy Korea Co., Ltd #1312, Byucksan Digital Valley 5-cha Beotkkot-ro 244, Geumcheon-gu Seoul, Korea Phone: Fax: Tungaloy Malaysia Sdn Bhd 50 K-2, Kelana Mall, Jalan SS6/14 Kelana Jaya, Petaling Jaya, Selangor Darul Ehsan Malaysia Phone: Fax: Tungaloy Australia Pty Ltd PO Box 2232, Rowville, Victoria 3178, Australia Phone: Fax: au PT. Tungaloy Indonesia Kompleks Grand Wisata Block AA-10 No.3-5 Cibitung Bekasi 17510, Indonesia Phone: Fax: follow us at: facebook.com/tungaloyjapan twitter.com/tungaloyjapan To see this product in action visit: Distributed by: DOWNLOAD Dr. Carbide App AS9100 Certifi ed ISO14001 Certifi ed EC97J Produced from Recycled paper Mar (TJ)

Useful CBN insert with unique shape, GNGA type 70 corner angle

TurnLine Tungaloy Report No. 510-G T-CBN SERIES Useful CBN insert with unique shape, GNGA type 70 corner angle 70 GNGA type 80 CNGA type ACCELERATED MACHINING TurnLine 70 corner angle provides high performance