TDX. Highest Productivity with Maximum Performance! Range extended with new AH725 grade, for steels and stainless steels! Concept

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1 Keeping the Customer First Tungaloy Report No. 377-E TAC Drills / New TDX type TDX Concept Range of drills from ø12.5 ~ 54 mm L/D = 2xD, 3xD, 4xD, 5xD Full Line up Available! Highest Productivity with Maximum Performance! Range extended with new grade, for steels and stainless steels!

2 TDX Drill Excellent surface finish and stable chip evacuation with newly developed drill body! 1 Features Range of drills from ø12.5 ~ 54 mm, L/D = 2xD, 3xD, 4xD, 5xD Highly economic = TDX concept Stable and efficient machining can be achieved by using four corners of the proven parallelogram shaped insert. 2 Power Up Excellent chip evacuation! The new twisted coolant hole in the drill body increases fluid flow by 1.5 times. Creating excellent surface finish! Peripheral insert TDX Concept Insert changing 3 Center insert Applicable to various machining applications Eight insert types can be applied to various machining applications and work materials on anything from lathes to machining centres. Coolant: (r/min) New TDX type Conventional 0 ø12.5 ø22.0 Drill - ø (mm) Machine : Vertical machining center Oil pressure : 2MPa 4 Power Up Ideally-balanced with a strong and rigid design = TDX concept The drill body shape further enhances stable cutting. As a result, exceptional balance can be obtained and chatter can be constrained. 5 Improved drilling durability! Power Up Long tool life credit to specialised drill body coating that is hardened to improve rigidity. 2

3 New TDX type drills machining comparisons High quality surface finishes Both high efficiency and high quality are obtained. New TDX type By dramatically increasing oil, improved chip evacuation, stability and surface finish can be achieved when compared to conventional products. Spindle power (A) Stabilization of spindle power New TDX type Mechanical fatigue Stable Spindle power (A) Unstable Workpiece Drill Cutting speed Feed Drilling depth Machine Cutting fluid : SCM440 (JIS) : ø22 mm, L/D = 3xD : Vc = 180 m/min : f = 0.13 mm/rev : 3D (Blind) : Vertical machining center : Water soluble type Cutting time (S) Cutting time (S) Tungaloy s TDX enables excellent chip control in various work materials. Work material Cutting Speed Feed rate Competitor C Competitor B TDX type Peripheral Center Peripheral Center Peripheral Center Peripheral Center Comparison of chip shape (the central and peripheral cutting edges) SCM440 SUS304 SS400 S55C Vc = 100 m/min Vc = 150 m/min Vc = 200 m/min Vc = 200 m/min f = 0.1 mm/rev f = 0.12 mm/rev f = 0.06 mm/rev f = 0.2 mm/rev Good Unstable Surface finish is affected by chip shapes produced with the central insert. New TDX type + Competitor C Workpiece Drill Cutting speed Feed Machine : SUS316L (JIS) : ø22 mm, L/D = 3xD : Vc = 100 m/min : f = 0.08 mm/rev : NC lathe 3

4 NEW TDX Drill The new PVD coated grade now offers all chipbreakers! for standard to high speed cutting Flat and smooth coated surface by adopting Triple Force Technology Dramatically improved resistance to chip welding and insert edge chipping Super flash coating Triple Force Technology improves droplets on the coating surface. Conventional Newly improved coating layer features great adhesion strength between coating and substrate. Well-balanced micro alloy substrate is effective for plastic deformation resistance and toughness. Features Wellbalanced fracture resistance Excellent wear resistance Improved chip evacuation by reducing the friction between insert and chip Cutting applications extended to high speed machining Highly efficient machining with newly modified drill body Conventional Excellent Chip Control Cutting performance Chip shape is flat and smooth demonstrating stable surface machining (stainless steels) For steels / High cutting speed Flank wear VB max. (mm) type Center insert type 5 m 10 m 5 m 10 m Drilling length (m) Drill Insert Workpiece Cutting speed Feed Cutting fluid : ø21 mm, L/D = 3xD : XPMT06X308R- : S55C (JIS) : Vc = 200 m/min : f = 0.1 mm/rev : Water soluble type (Internal supply) Peripheral insert type Chipping generation Dramatically improved wear resistance by adopting Triple Force Technology Improved chipping resistance and stable machining when high speed cutting 4

5 Stainless steels processing (SUS304) / High cutting speed Corner flank wear width VBc (mm) type Peripheral insert type 1 m 3 m 5 m Chip welding Chipping Machining length (m) Improved wear resistance in high speed machining of stainless steels Edge welding is reduced with the Excellent chipping resistance that is improved by the chip evacuation and characteristics of the new grade Drill Insert Workpiece Cutting speed Feed Cutting fluid : ø21 mm, L/D = 3xD : XPMT06X308R- : SUS304 (JIS) : Vc = 200 m/min : f = 0.08 mm/rev : Water soluble type (Internal supply) Stainless steels processing (SUS304) / General cutting speed Corner flank wear width VBc (mm) type 7 m Center insert Peripheral insert type Machining length (m) Prevention of damage on cutting edge in general cutting area Drill Insert Workpiece : ø21 mm, L/D = 3xD : XPMT06X308R- : SUS304 (JIS) Cutting speed Feed Cutting fluid : Vc = 120 m/min : f = 0.08 mm/rev : Water soluble type (Internal supply) Prevents burrs type Excellent chip control prevents burrs due to combination with Tungdrill Twisted. Provides more stable cutting performance. Drill Insert Workpiece : ø21 mm, L/D = 3xD : XPMT06X308R- : SUS304 (JIS) Causing burrs at the point of engagement Cutting speed : Vc = 120 m/min Feed : f = 0.08 mm/rev Cutting fluid : Water soluble type (Internal supply) 5

6 Features of chipbreakers TDX Drill type General purpose chipbreaker usable for almost all applications. Features low cutting forces and allows stable drilling. Chipbreaker for peripheral edge Deeply formed chip groove performs exceptionally free cutting action and effective chipbreaking. type Performs excellent chip control for gummy materials such as stainless steels and low carbon steels. Entirely new rake face design Can effectively form gummy material chips into short sections. Chipbreaker for central edge Relatively shallow chip groove prevents chips from packing. Low cutting forces and long tool life Bumps and grooves formed on the rake face reduce the contact area with chips reducing cutting forces and delivering longer tool life. type In comparison with conventional inserts, this chipbreaker allows higher feeds and produces superior surface finish. Wiper design Can improve surface finish at normal feeds and minimizes surface degradation at high feeds. Sharp cutting edges Exceptionally free cutting action improves chip control. Strengthened corner Strengthened corner geometry minimizes insert breakage even in drilling stainless steels. Application area of each chipbreaker type Cast iron Strong chipbreaker for high feeds Can forcibly curl thick chips produced in high feeds and causes them to break into short sections. It also allows for large volume chip removal. Extraordinarily strengthened corner Increased land width plus a two step relief angle strengthens the corner section. Features and applications of insert grades NEW First choice: for steels and stainless steels PVD coated carbide Improved wear and fracture resistance combined with new (Ti, AI)N coating and well-balanced substrate. AH120 PVD coated carbide For stainless steels By combining highly reliable carbide substrate with Flashcoat, this grade provides superior impact resistance and wear resistance in high-speed machining. Suitable for drilling stainless steels. Application area of each insert Steel Stainless Feed: f (mm/rev) AH740 PVD coated carbide General purpose grade By combining ultra fine grain cemented carbide with Flashcoat, this grade provides both wear resistance and impact resistance. Can be used for a wide range of applications. T1015 CVD coated carbide For cast irons By combining specially designed hard carbide substrate with newly developed multilayer compound coatings, this grade provides excellent wear resistance in machining cast irons. T1015 T1015 Cast iron Cast iron Steel AH740 Steel AH740 Stainless AH Feed: f (mm/rev) Stainless AH Cutting speed: Vc (m/min) 6

7 r r Insert selection guide chipbreaker A chipbreaker A B B chipbreaker r A B T T T 11 Ød 11 Ød 11 Ød Cat. No. NEW Grades Dimensions (mm) Applicable drill AH740 GH730 T1015 A B T ød r diameters XPMT040104R ø12.5 ~ ø14.5 XPMT050204R ø15.0 ~ ø17.0 XPMT06X308R ø17.5 ~ ø21.5 XPMT07H308R ø22.0 ~ ø26.0 XPMT08T308R ø27.0 ~ ø32.0 XPMT110412R ø33.0 ~ ø41.0 XPMT150512R ø42.0 ~ ø54.0 Cat. No. NEW Grades Dimensions (mm) Applicable drill AH120 GH730 A B T ød r diameters XPMT040104R ø12.5 ~ ø14.5 XPMT050204R ø15.0 ~ ø17.0 XPMT06X308R ø17.5 ~ ø21.5 XPMT07H308R ø22.0 ~ ø26.0 XPMT08T308R ø27.0 ~ ø32.0 XPMT110412R ø33.0 ~ ø41.0 XPMT150512R ø42.0 ~ ø54.0 Cat. No. NEW Grades Dimensions (mm) Applicable drill AH740 AH120 GH730 A B T ød r diameters XPMT040104R ø12.5 ~ ø14.5 XPMT050204R ø15.0 ~ ø17.0 XPMT06X308R ø17.5 ~ ø21.5 XPMT07H308R ø22.0 ~ ø26.0 XPMT08T308R ø27.0 ~ ø32.0 XPMT110412R ø33.0 ~ ø41.0 XPMT150512R ø42.0 ~ ø54.0 Stocked items To be discontinued Recommended cutting conditions Work materials Low carbon steels (C < 0.3) SS400, SM490, SC, etc. Carbon steels (C > 0.3) S45C, S55C, etc. Low alloy steels SCM415, etc. Alloy steels SCM440, SCr420, etc. Stainless steels (Austenitic) SUS304, SUS316, etc. Stainless steels (Martensitic and ferritic) SUS430, SUS416, etc. Stainless steels (Precipitation hardening) SUS630, etc. Grey cast irons FC0, etc. Ductile cast irons FCD700, etc. Aluminium alloys A2017, ADC12, etc. First choice T1015 T1015 High feed High speed AH120 AH120 Trouble shooting Breakage Surface Wear finish AH120 AH120 AH120 T1015 T1015 Cutting Speed Series Feed: f (mm/rev) Vc (m/min) L/D Ø12.5 ~ Ø14.5 Ø15.0 ~ Ø17.0 Ø17.5 ~ Ø26.0 Ø27.0 ~ Ø32.0 Ø33.0 ~ Ø54.0 2D, 3D AH D, 5D D, 3D D, 5D D, 3D D, 5D D, 3D D, 5D D, 3D AH120 4D, 5D D, 3D AH120 4D, 5D AH120 AH740 AH D, 3D D, 5D D, 3D D, 5D D, 3D D, 5D D, 3D D, 5D When using the smaller side of the diameter range, the feed rate should be set lower. For work materials of 40 HRC, the feed rate should be set below 50%. For difficult-to-cut materials (heat-resistant alloys, etc.), the cutting speed should be set % below that of carbon steels. For high-feed machining, apply a feed rate that is approximately 1.5 times the standard feed conditions. High speed machining means cutting speeds over 150 m/min. When using insert for troubleshooting, use it within the range of standard cutting conditions. 7

8 Drills Specification L/D = 2xD TDX Drill Max. drilling depth L s ødc ød øds h6 Drill dia. Dimensions (mm) Max Clamping screw Torx driver Cat. No. Stock ØDc ØDs ØD r rs L offset Applicable inserts 12.5 TDX1W TDX130W TDX135W XPMT040104R-D* CSTB-2 T-6D 14.0 TDX140W TDX145W TDX150W TDX155W20-2 XPMT050204R-D* CSTB-2L040 T-6D TDX160W TDX165W TDX170W TDX175W TDX180W TDX185W TDX190W TDX195W TDX200W TDX205W TDX210W TDX215W TDX220W TDX2W TDX230W TDX235W TDX240W TDX245W TDX0W TDX5W TDX260W TDX270W TDX280W TDX290W TDX300W TDX310W TDX320W TDX330W TDX370W TDX420W TDX430W TDX340W TDX350W TDX360W TDX380W TDX390W TDX400W TDX410W TDX440W TDX450W TDX460W TDX470W TDX480W TDX490W TDX500W TDX510W TDX520W TDX530W TDX540W Please take note that the new TDX type differs from the older TDX type in the total length (L) of drill. XPMT06X308R-D* CSTB-2.2R T-7D XPMT07H308R-D* CSTB-2.5 T-8D XPMT08T308R-D* CSTB-3 T-9D XPMT110412R-D* CSTB-4 T-15D XPMT150512R-D* CSTB-5 T-20D : Stocked items 8

9 L/D = 3xD Max. drilling depth L s ødc ød øds h6 Drill dia. Dimensions (mm) Max Clamping screw Torx driver Cat. No. Stock ØDc ØDs ØD r rs L offset Applicable inserts 12.5 TDX1W TDX130W TDX135W XPMT040104R-D* CSTB-2 T-6D 14.0 TDX140W TDX145W TDX150W TDX155W20-3 XPMT050204R-D* CSTB-2L040 T-6D TDX160W TDX165W TDX170W TDX175W TDX180W TDX185W TDX190W TDX195W TDX200W TDX205W TDX210W TDX215W TDX220W TDX2W TDX230W TDX235W TDX240W TDX245W TDX0W TDX5W TDX260W TDX270W TDX280W TDX290W TDX300W TDX310W TDX320W TDX330W TDX370W TDX420W TDX430W TDX340W TDX350W TDX360W TDX380W TDX390W TDX400W TDX410W TDX440W TDX450W TDX460W TDX470W TDX480W TDX490W TDX500W TDX510W TDX520W TDX530W TDX540W Please take note that new TDX type differs old TDX type in the total length (L) of drill XPMT06X308R-D* CSTB-2.2R T-7D XPMT07H308R-D* CSTB-2.5 T-8D XPMT08T308R-D* CSTB-3 T-9D XPMT110412R-D* CSTB-4 T-15D XPMT150512R-D* CSTB-5 T-20D : Stocked items 9

10 L/D = 4xD TDX Drill L Max. drilling depth s ødc ød øds h6 Drill dia. Dimensions (mm) Max Clamping screw Torx driver Cat. No. Stock ØDc ØDs ØD r rs L offset Applicable inserts 12.5 TDX1W TDX130W TDX135W XPMT040104R-D* CSTB-2 T-6D 14.0 TDX140W TDX145W TDX150W TDX155W20-4 XPMT050204R-D* CSTB-2L040 T-6D TDX160W TDX165W TDX170W TDX175W TDX180W TDX185W TDX190W TDX195W TDX200W TDX205W TDX210W TDX215W TDX220W TDX2W TDX230W TDX235W TDX240W TDX245W TDX0W TDX5W TDX260W TDX270W TDX280W TDX290W TDX300W TDX310W TDX320W TDX330W TDX370W TDX420W TDX430W TDX340W TDX350W TDX360W TDX380W TDX390W TDX400W TDX410W TDX440W TDX450W TDX460W TDX470W TDX480W TDX490W TDX500W TDX510W TDX520W TDX530W TDX540W XPMT06X308R-D* CSTB-2.2R T-7D XPMT07H308R-D* CSTB-2.5 T-8D XPMT08T308R-D* CSTB-3 T-9D XPMT110412R-D* CSTB-4 T-15D XPMT150512R-D* CSTB-5 T-20D 10 : Stocked items

11 L/D = 5xD L Max. drilling depth s ødc ød øds h6 Drill dia. Dimensions (mm) Max Clamping screw Torx driver Cat. No. Stock ØDc ØDs ØD r rs L offset Applicable inserts 12.5 TDX1W TDX130W TDX135W XPMT040104R-D* CSTB-2 T-6D 14.0 TDX140W TDX145W TDX150W TDX155W20-5 XPMT050204R-D* CSTB-2L040 T-6D TDX160W TDX165W TDX170W TDX175W TDX180W TDX185W TDX190W TDX195W TDX200W TDX205W TDX210W TDX215W TDX220W TDX2W TDX230W TDX235W TDX240W TDX245W TDX0W TDX5W TDX260W TDX270W TDX280W TDX290W TDX300W TDX310W TDX320W TDX330W TDX370W TDX420W TDX430W TDX340W TDX350W TDX360W TDX380W TDX390W TDX400W TDX410W TDX440W TDX450W TDX460W TDX470W TDX480W TDX490W TDX500W TDX510W TDX520W TDX530W TDX540W XPMT06X308R-D* CSTB-2.2R T-7D XPMT07H308R-D* CSTB-2.5 T-8D XPMT08T308R-D* CSTB-3 T-9D XPMT110412R-D* CSTB-4 T-15D XPMT150512R-D* CSTB-5 T-20D : Stocked items 11

12 Chamfering ring (CAT Series) Specification TDX Drill ød * L ød Applicable Chamfering ring L/D = 2xD L/D = 3xD L/D = 4xD L/D = 5xD Stock øds ød L Cat. No. CAT130L CAT140L CAT150L CAT160L CAT170L CAT180L CAT190L CAT200L CAT210L CAT220L CAT230L CAT240L CAT0L CAT260L Unit mm Max. drilling depth with chamfering ring drill ø TDX Drill Cat. No. Max. Max. Max. Max. depth* TDX Drill Cat. No. depth* TDX Drill Cat. No. depth* TDX Drill Cat. No. depth* 12.5 TDX1W TDX1W TDX1W TDX1W TDX130W TDX130W TDX130W TDX130W TDX135W TDX135W TDX135W TDX135W TDX140W TDX140W TDX140W TDX140W TDX145W TDX145W TDX145W TDX145W TDX150W TDX150W TDX150W TDX150W TDX155W TDX155W TDX155W TDX155W TDX160W TDX160W TDX160W TDX160W TDX165W TDX165W TDX165W TDX165W TDX170W TDX170W TDX170W TDX170W TDX175W TDX175W TDX175W TDX175W TDX180W TDX180W TDX180W TDX180W TDX185W TDX185W TDX185W TDX185W TDX190W TDX190W TDX190W TDX190W TDX195W TDX195W TDX195W TDX195W TDX200W TDX200W TDX200W TDX200W TDX205W TDX205W TDX205W TDX205W TDX210W TDX210W TDX210W TDX210W TDX215W TDX215W TDX215W TDX215W TDX220W TDX220W TDX220W TDX220W TDX2W TDX2W TDX2W TDX2W TDX230W TDX230W TDX230W TDX230W TDX235W TDX235W TDX235W TDX235W TDX240W-2.2 TDX240W TDX240W TDX240W TDX245W TDX245W TDX245W TDX245W TDX0W TDX0W TDX0W TDX0W TDX5W TDX5W TDX5W TDX5W TDX260W TDX260W TDX260W TDX260W CAT270L TDX270W TDX270W TDX270W TDX270W CAT280L TDX280W TDX280W TDX280W TDX280W CAT290L TDX290W TDX290W TDX290W TDX290W CAT300L TDX300W TDX300W TDX300W TDX300W CAT310L TDX310W TDX310W TDX310W TDX310W CAT320L TDX320W TDX320W TDX320W TDX320W CAT330L TDX330W TDX330W TDX330W TDX330W CAT340L TDX340W TDX340W TDX340W TDX340W CAT350L TDX350W TDX350W TDX350W TDX350W CAT360L TDX360W TDX360W TDX360W TDX360W CAT370L TDX370W TDX370W TDX370W TDX370W CAT380L TDX380W TDX380W TDX380W TDX380W CAT390L TDX390W TDX390W TDX390W TDX390W CAT400L TDX400W TDX400W TDX400W TDX400W CAT410L TDX410W TDX410W TDX410W TDX410W CAT420L TDX420W TDX420W TDX420W TDX420W CAT430L TDX430W TDX430W TDX430W TDX430W CAT440L TDX440W TDX440W TDX440W TDX440W CAT450L TDX450W TDX450W TDX450W TDX450W CAT460L TDX460W TDX460W TDX460W TDX460W CAT470L TDX470W TDX470W TDX470W TDX470W CAT480L TDX480W TDX480W TDX480W TDX480W CAT490L TDX490W TDX490W TDX490W TDX490W CAT500L TDX500W TDX500W TDX500W TDX500W CAT510L TDX510W TDX510W TDX510W TDX510W CAT520L TDX520W TDX520W TDX520W TDX520W For sale / use in Japan only. 12

13 Chamfering ring (CAT Series) Insert and Replacement Chamfering ring Body Cat. No. CAT130L21-08 ~ CAT200L22-08 CAT210L28-12 ~ CAT0L30-12 CAT260L32-12 ~ CAT520L37-12 Insert Cat. No. Grade / Stock Parts JP20A HK20A Clamp* set Hex. socket head screw Torx driver Hex. wrench Steel Stainless Cast iron Nonferrous XHGR0803R-45D CSC-08 M5 x 0.8 x 16 T-9D P-4 XHGR1204R-45D CSC-12 M6 x 16 T-9D P-5 XHGR1204R-45D CSC-12 M8 x 20 T-15D P-6 *with insert locking screw For sale / use in Japan only Cautious points in mounting chamfering ring on drill body <CAT series> Select the drill suited for the hole depth to be drilled. The drill overhang from the toolholder should be kept to the minimum. The ring should be mounted so that both the chip grooves of the drill and the ring will match up to each other. The insert should be set so as to contact with the drill body. Before machining, check to be sure that the insert clamping screws and ring fixing screws are fully secured. When long chips are produced and become entangled with the tool, change the cutting conditions or try step feeding. <Mounting on drill body> Mounting chamfering ring on drill body Insert the ring through the front end of the drill and align the position of chip grooves of the drill and the ring. Temporarily and lightly fix the ring with the bolt so that the specified drilling depth can be obtained. Then, loosen the insert locking screw, install the insert, and temporarily fix the insert while lightly pressing it against the drill body. Adjusting the step length By using a pre-setter, height gauge, or vernier caliper, adjust the ring position more accurately and fully secure the ring with the screw. Again press the insert against the drill body and fully secure it. When securing, two inserts should be fastened alternately and gradually. EZ sleeve (Eccentric Sleeves For TDX-type TAC drills) Use EZ sleeves for the following purposes Hole diameter adjustment on the milling machine Adjusting the finishing diameter in milling Adjusting the finishing diameter in tool-rotating applications such as on machining centres and milling machines: By using EZ sleeve, the finishing diameter can be adjusted in the range from +0.6 mm to -0.2 mm. Adjusting cutting edge heigh on lathe Adjusting cutting edge height on lathe Adjusting of the cutting edge height in work rotating applications such as on lathes: By using EZ sleeve, the cutting edge height can be adjusted in the range from +0.3 mm to -0.2 mm. It results in eliminating troubles caused by improper cutting-edge height. Scale for adjusting finishing diameter in milling (Periphery of sleeve) Scale for adjusting cutting edge height in turning (Front face of sleeve) 13

14 TDX Drill Setting of EZ sleeve Adjusting finishing diameter in milling Adjusting cutting edge height on lathe As shown in the Figure below, set the EZ sleeve between the drill shank and the toolholder. Flat As shown in the Figure below, set the EZ sleeve between the drill shank and the toolblock. Fixing bolt A Flat Fixing bolt B Flange EZ sleeve Flange EZ sleeve Flange Align the graduated scale on the periphery of the EZ sleeve with the center of the flat of the drill flange. In the Figure shown below, the sleeve is set so that the finishing diameter will be increased by 0.4 mm Fixing bolt A Fixing bolt B Align the graduated scale on the front face of the Esleeve with the center of the flat of the drill flange. In the Figure shown below, the sleeve is set so that the center of the drill will shift by 0.1 mm to the plus (+) direction. X-axis of machine When aligning the scales, insert the attached wrench into the hole on the periphery of the sleeve and rotate the sleeve. After aligning the scales, secure the fixing bolt A positioned closer to the drill. Then, lightly secure the fixing bolt B When using Machining Center, use a side-lock-type toolholder designed for drill. Collet type toolholders and milling chucks should not be used for this purpose to prevent the sleeve from rotating. Cautious points The scale should be used only as a guide. Measuring and checking of the finishing diameter is essential. Especially when using for adjusting the cutting edge height on a lathe, the finishing Specifications diameter also varies with the adjusting. Check the diameter by cutting. When using a Machining Center, use a side-lock-type toolholder designed for drilling. Collet type toolholders and milling chucks should not be used for this purpose. Holders and milling chucks should not be used for this purpose. When using Machining Center, use a side-lock-type toolholder designed for drill. Collet type toolholders and milling chucks should not be used for this purpose. If the finishing hole diameter is excessively adjusted to the minus (-) direction, the drill body may interfere with the hole to be drilled. Adjusting to the minus direction should be carried out, only when the finishing diameter is larger than the nominal drill diameter, as a means of fine adjustment. L4 L3 L1 Sleeve Cat. No. Stock ød1 ød2 ød3 L1 L2 L3 L4 Adjusting range of finishing diameter Adjusting range of cutting edge height EZ ~ ~ ød1 ød2 ød3 EZ ~ ~ EZ ~ ~ L2 EZ ~ ~ -0.2 Note: Select the sleeve so that the D1 of the sleeve will be same as the diameter of the drill shank. Cautious points TDX-type TAC drills Ensure that the drilling machine to be used has sufficient rigidity and motor output. Not recommended for drilling stacked plates. Be sure to carry out proper alignment when drilling is to be performed on a rotating workpiece. Cutting fluid Be sure to supply cutting fluid through the tool. A water soluble emulsifiable type cutting fluid should be used. Fluid pressure of 1 MPa or higher and fluid quantity of 7R min or more are essential. For TDX drills of 4D and 5D type, a fluid pressure of 1.5 MPa or higher and fluid quantity of 10R/min or more is recommended. Cautionary points for setting inserts Before installing the insert in the drill body, remove all foreign matter from the insert pocket. When clamping and unclamping the Proper handling of wrench insert, the center-line of the wrench should be aligned with the center-line of the screw. Misalignment may result in deformation of the socket of the screw head or the tip of the wrench. When installing the insert, eliminate all play between the insert pocket and the bottom face of the insert. Replace the screw before it will be excessively deformed or worn out by long term use. 14

15 Comparison of cutting resistance of TDX drill The charts below show a guideline for cutting forces. Use TDX drills on a machine with ample power and sufficient rigidity. Workpiece : SCM440 (JIS) Drill : Ø18 Cutting speed : Vc = 100 m/min Cutting fluid : Wet Torque (N m) Feed: f (mm/rev) Competitor C Competitor B TDX Net power consumption (kw) LOAD % Feed f 2 Feed f 40 Feed f 0.13 mm/rev mm/rev mm/rev Thrust force (kn) 0.13 mm/rev 0.10 mm/rev 0.07 mm/rev 0.13 mm/rev 0.10 mm/rev 0.07 mm/rev Drill diameter Ø (mm) Drill diameter Ø (mm) Drill diameter Ø (mm) Torque (N m) Machining examples Improves machining efficiency by 70% Machine part Tool drill Insert : TDX290W32-2 (ø29) : XPMT08T308R- AH120 Work material : SCM415 Cutting speed : Vc = 135 m/min Feed : f = 0.11 mm/rev Drilling depth : 40 mm Machine : NC lathe Cutting fluid : Water soluble type Results The conventional drill can often stop machine operation due to poor chip control and chip removal. The machining efficiency of the new TDX drill can improve chip control, cutting speed and feed rate by 70%, through the combination of the AH120 grade and the chipbreaker. 70 mm 40 mm ø60 mm ø29 mm Efficiency increase with twisted coolant hole Machine part Tool drill Insert : TDX200W-3 (ø20) : XPMT06X308R- AH740 Work material : S45C Cutting speed : Vc = 140 m/min Feed : f = 0.1 mm/rev Drilling depth : 50 mm Penetrated hole Machine : NC lathe Cutting fluid : Results The conventional drill was optimally used at a cutting speed of Vc = 100 m/min and feed rate of f = 0.05 mm/rev. The new TDX drill can improve metal removal rates with its twisted coolant hole. As a result, cutting speed is increased to Vc = 140 m/min and the feed rate can be increased to f = 0.1 mm/rev. 50 mm ø20 mm ø60 mm 15

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