SMALL BORING BAR SERIES Yfeatures
2007.11.Update B042G SMALL BORING Round holder BAR SERIES addition! Ideal for small-diameter boring of general and stainless steels.
MICRO-MINI TWIN Economical, solid shank type with two cutting edges. A back cutting edge enables continuous turning- from internal turning to facing. Minimum bore diameter 2.2mm. MICRO-DEX Indexable type boring bars. Adjustable tool overhang. Minimum bore diameter 5.0mm. MICRO-MINI Solid shank. Multi-functional bar for threading, grooving and boring. Minimum bore diameter 3.2mm. Round Type Holder / SquareType Holder Addition of round type holders that are compatible with any type of automatic lathes. For easy installation to the centre axis of lathes. Good chip disposal and coolant supply. SMALL BORING BAR SERIES yFeatures
aTools
MICRO-MINI TWIN (P2-) MICRO-MINI (P6-) MICRO-DEX (P7-) • Solid carbide shank • Solid carbide shank • Indexable type solid carbide shank • Minimum cutting diameter 2.2mm • Minimum cutting diameter 3.2mm • Minimum cutting diameter 5.0mm • Economical because of two cutting edges • Various cutting edge forms are possible • Boring, Grooving, Threading, Copying
aHolders Round Type Holder / Square Type Holder (P11-) • Compatible with any type of automatic or NC lathe • The shape of the cutting point contributes to good chip control and coolant supply • Square holder for easy tool mounting
aGrade
Feature of VP15TF coating coating
MIRACLE coated VP15TF displays excellent welding resistance for machining a wide range of workpiece materials from Micro-grain mild and carbon steels through to stainless cemented carbide steels and cast iron.
yApplication Micro-structure of
Minimum cutting diameter (mm) Reference &2 &3 &4 &5 &6 &7 &8 page
Boring CB02 CB03 CB04 CB05
Grooving CG03 CG04 CG05 CG06 CG07 MICRO-MINI TWIN P2~ (Solid carbide type) Threading CT03 CT04 CT05 CT06
Copying CR03 CR04 CR05
MICRO-MINI C03 C04 C05 Grooving P6 (Solid carbide type) *By*By grindinggrinding tthehe ccuttingutting eedge,dge, tthehe ssameame barbar cancan bebe usedused forfor boringboring andand threading.threading.
C04 SCLC C05 SCLC C06 SCLC C07 SCLC MICRO-DEX Boring C07 STUC P7~ (Indexable insert type) C05 SWUB C06 SWUB C07 SWUB 1 * Other small tools for automatic lathes can be found in the catalogue C003J.
*By grinding the cutting edge, the same bar can be used for boring and threading. Small Boring Bar Series MICRO-MINI TWIN
yFeatures
a1 tool offering 2 cutting edge types. aWide range available
Reduced tooling costs, economical • Boring Minimum cutting diameter ø2.2mm- Nose R: 0.05, 0.1, 0.2 • Grooving Minimum cutting diameter ø3mm- • Threading Minimum cutting diameter ø3mm- • Copying Minimum cutting diameter ø3.5mm-
aBack cutting edge For the CT type Back cutting edge there is no back Use of a back cutting edge ( cutting edge ) means that boring and facing can be performed with the same tool, thereby improving machining efficiency. 10°
Boring
Back cutting edge Facing
aAvailable with or without a breaker
The wide breaker aids aMICRO-MINI TWIN (Polished rake face) aConventional product With breaker in reducing cutting resistance. Direction of Direction of measurement measurement
Surface roughness Surface roughness Polished rake face 0.3 !mRy 1.8 !mRy to prevent Without breaker chip welding. Highly polished rake face. The smooth surface of the cutting edge is far superior to that of conventional boring bars. yCutting Performance
aPolished rake face aMICRO-MINI TWIN (Polished rake face) aConventional product
yMachining of stainless steel
The polished rake face prevents chip welding and provides an excellent surface finish. Cutting edge wear Cutting edge wear
CB (Boring) Z 1 F
2 øD4 H1 F 5° 5° 1 L1 * Re±0.015 L2
L3 Right hand tool only. Stock Minimum Cutting Diameter Micrograin Coated Dimensions (mm) Order Number Carbide Carbide Breaker (mm) TF15 VP15TF l/d<3 l/d>3 Re D4 L1 L2 L3 F1 F2 H1 Z CB 02RS a a Without 2.2 3.6 0.05 2 50 5 6 1.0 0.25 1.8 1.4 02RS-B a a With 2.2 3.9 0.05 2 50 5 6 1.0 0.25 1.8 1.4 02RS-01 a a Without 2.2 3.6 0.1 2 50 5 6 1.0 0.25 1.8 1.4 02RS-01B a a With 2.2 4.2 0.1 2 50 5 6 1.0 0.25 1.8 1.4 02RS-02 a a Without 2.2 3.6 0.2 2 50 5 6 1.0 0.25 1.8 1.4 02RS-02B a a With 2.2 4.9 0.2 2 50 5 6 1.0 0.25 1.8 1.4 03RS a a Without 3.2 4.2 0.05 3 50 7.5 9 1.5 0.35 2.7 2.3 03RS-B a a With 3.2 4.4 0.05 3 50 7.5 9 1.5 0.35 2.7 2.3 03RS-01 a a Without 3.2 4.2 0.1 3 50 7.5 9 1.5 0.35 2.7 2.3 03RS-01B a a With 3.2 4.5 0.1 3 50 7.5 9 1.5 0.35 2.7 2.3 03RS-02 a a Without 3.2 4.2 0.2 3 50 7.5 9 1.5 0.35 2.7 2.3 03RS-02B a a With 3.2 4.8 0.2 3 50 7.5 9 1.5 0.35 2.7 2.3 04RS a a Without 4.2 5.1 0.05 4 60 10 12 2.0 0.45 3.6 3.1 04RS-B a a With 4.2 5.2 0.05 4 60 10 12 2.0 0.45 3.6 3.1 04RS-01 a a Without 4.2 5.1 0.1 4 60 10 12 2.0 0.45 3.6 3.1 04RS-01B a a With 4.2 5.3 0.1 4 60 10 12 2.0 0.45 3.6 3.1 04RS-02 a a Without 4.2 5.1 0.2 4 60 10 12 2.0 0.45 3.6 3.1 04RS-02B a a With 4.2 5.5 0.2 4 60 10 12 2.0 0.45 3.6 3.1 05RS a a Without 5.2 6.0 0.05 5 70 12.5 15 2.5 0.55 4.5 3.9 05RS-B a a With 5.2 6.1 0.05 5 70 12.5 15 2.5 0.55 4.5 3.9 05RS-02 a a Without 5.2 6.0 0.2 5 70 12.5 15 2.5 0.55 4.5 3.9 05RS-02B a a With 5.2 6.4 0.2 5 70 12.5 15 2.5 0.55 4.5 3.9 *1 The Re dimension represents the size before grinding a chip breaker.
CT (Internal threading)
e
R 1 F 1 F 2 2 øD1 F øD4 H1 F Z2 Z2 L10 L1 Z2 Z2 L2
60° Right hand tool only. Stock Threads Dimensions (mm) Micrograin Coated Metric Unified Order Number Carbide Carbide
Pitch Pitch Minimum Cutting Diameter
Breaker Thread Thread Re D4 L1 L10 L2 F1 Z2 F2 H1 TF15 VP15TF (mm) (thread/inch) D1 CT 03RS-M4 a a Without >M4 0.5─1.0 >NO.8─32UNC 36─24 3 0.03 3 50 10.2 6 1.3 0.6 1.2 2.7 03RS-M4B a a With >M4 0.5─1.0 >NO.8─36UNF 36─24 3 0.03 3 50 10.2 6 1.3 0.6 1.2 2.7 04RS-M6 a a Without >M6 0.75─1.25 >1/4─20UNC 28─20 4.5 0.05 4 60 15.6 7 1.8 0.8 1.7 3.6 04RS-M6B a a With >M6 0.75─1.25 >1/4─28UNF 28─20 4.5 0.05 4 60 15.6 7 1.8 0.8 1.7 3.6 05RS-M8 a a Without >M8 0.75─1.5 >5/16─18UNC 24─18 6 0.05 5 70 21 8 2.3 1 2.2 4.5 05RS-M8B a a With >M8 0.75─1.5 >5/16─24UNF 24─18 6 0.05 5 70 21 8 2.3 1 2.2 4.5 06RS-M10 a a Without >M10 0.75─1.75 >3/8─16UNC 24─16 7 0.05 6 75 21 8 2.8 1 2.2 5.4 06RS-M10B a a With >M10 0.75─1.75 >3/8─24UNF 24─16 7 0.05 6 75 21 8 2.8 1 2.2 5.4 * Refer to P14 for holders.
3 a : Inventory maintained. CG (Internal grooving)
Z 1 F
Re 2
Re F øD1 W3±0.03 øD4 H1 L10 L1 L2
Right hand tool only. Stock Minimum Groove Max Micrograin Coated Cutting Width Groove Dimensions (mm) Order NumberCarbide Carbide Breaker Diameter Depth TF15 VP15TF D1 W3 F2 Re D4 L1 L10 L2 F1 H1 Z CG 03RS-10 a a Without 3 1 1 0.05 3 50 10 6 1.3 2.7 1.2 03RS-10B a a With 3 1 1 0.05 3 50 10 6 1.3 2.7 1.2 03RS-20 a a Without 3 2 1 0.1 3 50 11 6 1.3 2.7 1.2 03RS-20B a a With 3 2 1 0.1 3 50 11 6 1.3 2.7 1.2 04RS-10 a a Without 4 1 1.5 0.05 4 60 15 7 1.8 3.6 2.0 04RS-10B a a With 4 1 1.5 0.05 4 60 15 7 1.8 3.6 2.0 04RS-20 a a Without 4 2 1.5 0.1 4 60 16 7 1.8 3.6 2.0 04RS-20B a a With 4 2 1.5 0.1 4 60 16 7 1.8 3.6 2.0 05RS-10 a a Without 5 1 2 0.05 5 70 20 8 2.3 4.5 2.8 05RS-10B a a With 5 1 2 0.05 5 70 20 8 2.3 4.5 2.8 05RS-20 a a Without 5 2 2 0.1 5 70 21 8 2.3 4.5 2.8 05RS-20B a a With 5 2 2 0.1 5 70 21 8 2.3 4.5 2.8 06RS-10 a a Without 6 1 2 0.05 6 75 20 8 2.8 5.4 2.8 06RS-10B a a With 6 1 2 0.05 6 75 20 8 2.8 5.4 2.8 06RS-20 a a Without 6 2 2 0.1 6 75 21 8 2.8 5.4 2.8 06RS-20B a a With 6 2 2 0.1 6 75 21 8 2.8 5.4 2.8 07RS-10 a a Without 7 1 2 0.05 7 85 25 8 3.3 6.4 2.8 07RS-10B a a With 7 1 2 0.05 7 85 25 8 3.3 6.4 2.8 07RS-20 a a Without 7 2 2 0.1 7 85 26 8 3.3 6.4 2.8 07RS-20B a a With 7 2 2 0.1 7 85 26 8 3.3 6.4 2.8 * Refer to P14 for holders.
CR (Internal copying) 52° 1
F øD1 3° Re L10 øD4 H1 L1 L2
Right hand tool only. Stock Minimum Micrograin Coated Cutting Dimensions (mm) Order Number Carbide Carbide Breaker Diameter TF15 VP15TF D1 Re D4 L1 L10 L2 F1 H1 CR03RS-01 a a Without 3.5 0.1 3 50 8 6 0.15 2.7 CR03RS-01B a a With 3.5 0.1 3 50 8 6 0.15 2.7 CR04RS-01 a a Without 4.5 0.1 4 60 10 7 0.15 3.6 CR04RS-01B a a With 4.5 0.1 4 60 10 7 0.15 3.6 CR05RS-01 a a Without 5.5 0.1 5 70 12 8 0.15 4.5 CR05RS-01B a a With 5.5 0.1 5 70 12 8 0.15 4.5 Machining Methods of the CR Type yNotes aProfile turning Machining a work piece Machining a work piece without a pre-prepared hole with a pre-prepared hole Profile turning, By drilling a pre-prepared hole, the Machining Inner end facing machining time will be shortened time reduced and chip control will be improved. R5 Better chip
Recommended Cutting Conditions CB Type CG TypeCT Type CR Type Work Material Cutting Speed Feed Depth of Cut Tool Overhang Cutting Speed Feed (mm/rev) Cutting Speed Cutting Speed Feed (mm/rev) 05RS/06RS/ (m/min) (mm/rev) (mm) (l/d) (m/min) 03RS/04RS 07RS (m/min) (m/min) 03RS/04RS 05RS P General Steel 80 0.03 0.2 80 0.02 0.03 50 80 0.02 0.03 (40─120) (0.01─0.05) (0.1─0.3) 3─5 (40─120) (0.01─0.03) (0.01─0.05) (30─80) (40─120) (0.01─0.03) (0.01─0.05) M Stainless Steel 80 0.03 0.2 80 0.02 0.03 50 80 0.02 0.03 (40─120) (0.01─0.05) (0.1─0.3) 3─5 (40─120) (0.01─0.03) (0.01─0.05) (30─80) (40─120) (0.01─0.03) (0.01─0.05) K Cast Iron 80 0.03 0.2 80 0.03 0.03 50 80 0.03 0.03 (40─120) (0.01─0.05) (0.1─0.3) 3─5 (40─120) (0.01─0.05) (0.01─0.05) (30─80) (40─120) (0.01─0.05) (0.01─0.05) N 120 0.05 0.3 120 Non-ferrous Materials 3─5 120 0.03 0.05 80 0.03 0.05 (80─160) (0.01─0.08) (0.1─0.5) (80─160) (0.01─0.05) (0.01─0.08) (50─100) (80─160) (0.01─0.05) (0.01─0.08) Note 1) Wet machining recommended. Note 2) Please remember when machining small diameters at high speeds there is the possibility that the machine cannot maintain the set feed rate. (CT type) Note 3) Refer to P11 for recommended tool overhangs of CG, CT and CR types. Thread Pitch for the CT Type Metric Thread Unified Thread Order Number P (pitch) P (thread/inch) 0.50 0.70 0.75 0.80 1.00 1.25 1.50 1.75 36 32 28 24 20 18 16 CT03RS-M4 u u u u u ─ ─ ─ u u u u ─ ─ ─ CT03RS-M4B CT04RS-M6 ─ ─ u ─ u u ─ ─ ─ ─ u u u ─ ─ CT04RS-M6B CT05RS-M8 ─ ─ u ─ u u u ─ ─ ─ ─ u u u ─ CT05RS-M8B CT06RS-M10 ─ ─ u ─ u u u u ─ ─ ─ u u u u CT06RS-M10B Note) For internal threads that are larger than the minimum diameter of the Micro Mini Twin (CT type) it is possible to machine the thread pitches above. For the minimum diameter please refer to the tool standards. Depth of Cut for the CT Type aMetric thread aUnified thread
P (Pitch) 0.5 0.7 0.75 0.8 1 1.25 1.5 1.75 P (Thread/inch) 36 32 28 24 20 18 16 Depth of Cut (mm) 0.3 0.43 0.46 0.44 0.49 0.62 0.6 0.76 0.92 1.09 Depth of Cut (mm) 0.43 0.49 0.56 0.54 0.66 0.64 0.78 0.87 0.98 Re*(Nose Radius) 0.03 0.03 0.03 0.05 0.03 0.03 0.05 0.05 0.05 0.05 Re*(Nose Radius) 0.03 0.03 0.03 0.05 0.03 0.05 0.05 0.05 0.05 1 0.06 0.06 0.06 0.06 0.06 0.07 0.07 0.07 0.07 0.07 1 0.06 0.06 0.07 0.06 0.07 0.07 0.07 0.07 0.07 2 0.05 0.06 0.06 0.06 0.06 0.07 0.07 0.07 0.07 0.07 2 0.06 0.06 0.06 0.06 0.07 0.07 0.07 0.07 0.07 3 0.05 0.06 0.06 0.05 0.06 0.06 0.06 0.07 0.07 0.07 3 0.06 0.06 0.06 0.06 0.06 0.06 0.07 0.07 0.07 4 0.04 0.05 0.05 0.05 0.05 0.06 0.06 0.07 0.07 0.07 4 0.05 0.05 0.06 0.05 0.06 0.06 0.06 0.07 0.07 5 0.04 0.05 0.05 0.05 0.05 0.05 0.06 0.06 0.07 0.07 5 0.05 0.05 0.05 0.05 0.06 0.06 0.06 0.07 0.07 6 0.03 0.04 0.04 0.04 0.04 0.05 0.05 0.06 0.06 0.07 6 0.04 0.04 0.05 0.05 0.05 0.05 0.06 0.06 0.06 7 0.03 0.04 0.04 0.04 0.04 0.05 0.05 0.06 0.06 0.06 7 0.04 0.04 0.04 0.04 0.05 0.05 0.06 0.06 0.06 8 0.04 0.04 0.03 0.04 0.04 0.04 0.05 0.06 0.06 8 0.04 0.04 0.04 0.04 0.04 0.05 0.05 0.06 0.06 9 0.03 0.03 0.03 0.03 0.04 0.04 0.05 0.05 0.06 9 0.03 0.03 0.04 0.04 0.04 0.04 0.05 0.05 0.06 10 0.03 0.03 0.03 0.04 0.04 0.05 0.05 0.06 10 0.03 0.03 0.03 0.04 0.04 0.05 0.05 0.06 11 0.03 0.03 0.03 0.04 0.05 0.05 11 0.03 0.03 0.03 0.03 0.03 0.04 0.05 0.05 12 0.03 0.03 0.04 0.05 0.05 12 0.03 0.03 0.03 0.03 0.04 0.05 0.05
Number of Passes 13 0.03 0.04 0.04 0.05 Number of Passes 13 0.03 0.03 0.04 0.04 0.05 14 0.03 0.04 0.05 14 0.03 0.03 0.04 0.04 15 0.04 0.04 15 0.03 0.03 0.04 16 0.04 0.04 16 0.03 0.04 17 0.03 0.04 17 0.03 18 0.04 18 0.03 19 0.04 19 20 0.03 20 Even though the pitch maybe the same, the depth of cut varies according to the nose radius. For the Micro Mini Twin CT type CT03RS-M4, * and CT03RS-M4B the nose radius is 0.03mm, for other types it is 0.05mm. For further details please refer to the standards section. 5 MICRO-MINI
Micro-Mini
Dimensions (mm) Minimum Max
Geometry Order Number Stock Cutting Groove Diameter Depth R W3 D4 L1 L2 F2 Shank 4° C03FR-BLS a 2.0 3 80 15 3.2 1.0 øD4 diameter 4 Flat a 4 øD C04FR-BLS 2.5 4 80 20 4.2 1.5 øD a W3 2 C05HR-BLS 3.0 5 100 25 5.2 2.0
Flat F L2 L1 Right hand tool only.
Recommended Cutting Conditions Edge Condition Work Material Cutting Speed (m/min) Feed (mm/rev) Depth of Cut (mm) Tool Overhang (l/d) * Corner Radius or C * Honing P General Steel 40 (30─50) 0.05 (─0.1) 0.2 (0.1─0.3) 5 0.1─0.5 0.01─0.05
M ( ) ( ) ( ) < <0.03 Stainless Steel 40 30─50 0.05 ─0.1 0.2 0.1─0.3 5 0.4 (Not required for boring applications) K Cast Iron 40 (30─50) 0.05 (─0.05) 0.2 (0.1─0.3) 5 0.1─0.5 0.01─0.05
N ( ) ( ) ( ) <0.03 Non-ferrous Materials 80 60─100 0.05 ─0.1 0.3 0.1─0.5 5 0.1─0.5 (Not required for boring applications) * Cutting edge is not honed. Please hone according to the workpiece before machining. yGrinding the cutting edge of the MICRO-MINI boring bar aMICRO-MINI boring bar can be applied to boring and grooving without any modifications. It can also be reground as shown below. aFor shaping and regrinding, use diamond whetstone approximately #250 - #400. Please grind according to the application using the figure below as a reference.
Boring Grooving Threading
Application – 1° 2° Groove Width Thread Angle
Grinding 2° 25° –
25° 1° 35° (Grinding) 20° 20° w Grinding – 4° 4° 0.5–0.8 0.5 0.8 Grinding Grinding 60° 0.3–0.5 Corner Radius 4°
Grinding Examples 6° Double Sided Relief 19° 19° 6° * Refer to P14 for holders.
6 a : Inventory maintained. Small Boring Bar Series MICRO-DEX
yFeatures
aIndexable type boring bars for a aConstant diameter design
minimum bore diameter of 5.0mm Conventional type boring bars restrict the amount of Screw on type for applications with a minimum bore tool overhang. This straight shank design allows diameter of 5.0mm (SCLC type) greater adjustability for deeper cutting.
Conventional product SCLC type STUC type SWUB type
MICRO-DEX
Minimum cutting Minimum cutting Minimum cutting diameter diameter diameter Adjustable tool overhang ø5mm- ø8mm ø6mm-
aHighly rigid carbide shank aSmallest inserts utilised
A clear laser etched scale for easy setting and adjustments.
Laser etched scale
aTwo grades to cover a wide aVarious nose radii
application range. Standardised nose radii of 0.03mm - 0.4mm Two standardised insert grades for are available for small parts machining. all applications are available. Re Cermet Coated carbide NX2525 VP15TF
Stainless steel Re=0.03 (JIS SUS304, 420) Re=0.1 General steel Non-ferrous materials Re=0.2 (JIS S45C, JIS SCM440) (Aluminium, Brass) Re=0.4 Cast iron (JIS FC, JIS FCD)
7 ySCLC type (Rhombic 80° insert) Features : A precise, stable cutting edge and a small minimum cutting diameter. oo Finish SCLC (Solid carbide shank) CC inserts L-F
95° (03,04) 4 PCD/CBN øD 1 95° F RR° Re øD1 L1 H1
Right hand tool holder only. (03,04) Minimum Standard Dimensions (mm) Cutting Corner Order NumberStock Insert Number Diameter Radius R D4 L1 F1 H1 RR° D1 Re Clamp Screw Wrench C04GSCLCR03 a 03S1ppL-F 4 90 2.5 3.7 15 5 0.2 TS16 TKY06F
a C05HSCLCR03 CCGT 03S1ppL-F 5 100 3.0 4.7 13 6 0.2 TS16 TKY06F C06JSCLCR04 a NP-CCMW 04T0ppL-F 6 110 3.5 5.7 13 7 0.2 TS21 TKY06F C07KSCLCR04 a 04T0ppL-F 7 125 4.0 6.7 11 8 0.2 TS21 TKY06F * Refer to P14 for holders. ySTUC type (Triangular insert) Features : Cost effective back boring can be utilised.
Finish STUC (Solid carbide shank) TCGT inserts L-F
93° (06) 4 1
93° øD F
RR° 27° Re
øD1 0.35 L1 H1 Depth of cut is limited when back cutting. Right hand tool holder only. Minimum Standard Dimensions (mm) Cutting Corner Order NumberStock Insert Number Diameter Radius R D4 L1 F1 H1 RR° D1 Re Clamp Screw Wrench C07KSTUCR06 a TCGT 0601ppL-F 7 125 4.0 6.7 128 0.2 TS2C TKY06F * Refer to P14 for holders. ySWUB type (Hexagonal insert) Features : Cost effective with a precise, stable cutting edge.
Finish SWUB (Solid carbide shank) WBGT inserts L-F
93° (02,L3) 4 1 øD 93° F RR° Re øD1 L1 H1
Right hand tool holder only.
Minimum Standard Dimensions (mm) Cutting Corner Order NumberStock Insert Number Diameter Radius R D4 L1 F1 H1 RR° D1 Re Clamp Screw Wrench C05HSWUBR02 a 0201ppL-F 5 100 3.0 4.7 13 6 0.2 TS21 TKY06F C06JSWUBR02 a WBGT 0201ppL-F 6 110 3.5 5.7 13 7 0.2 TS2C TKY06F C07KSWUBRL3 a L302ppL-F 7 125 4.0 6.7 11 8 0.2 TS2 TKY06F * Refer to P14 for holders. 8 a : Inventory maintained. Small Boring Bar Series MICRO-DEX
Inserts aCoated carbide and cermet Stainless Steel Non-ferrous Materials General Steel Dimensions (mm) Cast Iron Order Number Geometry Coated Cermet Class VP15TF NX2525 D1 S1 Re CCGT 03S1V3L-F G a 3.57 1.39 0.03 03S101L-F G a 3.57 1.39 0.1 03S102L-F G a 3.57 1.39 0.2 Re 03S104L-F G a 3.57 1.39 0.4
CCGT 04T0V3L-F G a 4.37 1.79 0.03 7° D1 S1 04T001L-F G a 4.37 1.79 0.1 80° 04T002L-F G a 4.37 1.79 0.2 04T004L-F G a 4.37 1.79 0.4 TCGT 0601V3L-F G a 3.97 1.59 0.03 Re 060101L-F G a 3.97 1.59 0.1 a 060102L-F G 3.97 1.59 0.2 7° 060104L-F G a 3.97 1.59 0.4 D1 S1 WBGT 0201V3L-F G a 3.97 1.59 0.03 020101L-F G a 3.97 1.59 0.1 020102L-F G a 3.97 1.59 0.2 Re 020104L-F G a 3.97 1.59 0.4
WBGT L302V3L-F G a 4.76 2.38 0.03 5° L30201L-F G a 4.76 2.38 0.1 80° D1 S1 L30202L-F G a 4.76 2.38 0.2 L30204L-F G a 4.76 2.38 0.4 aCBN and polycrystalline diamond inserts
Non-ferrous Brazed Steel Materials Dimensions (mm) Order Number Geometry Diamond CBN Class MD220 MB810 D1 S1 Re NP-CCMW 03S102 M a 3.57 1.39 0.2 03S104 M a 3.57 1.39 0.4 Re 04T002 M a 4.37 1.79 0.2 04T004 M a 4.37 1.79 0.4 NP-CCMW 03S102F M a 3.57 1.39 0.2 7° 80° D1 S1 03S104F M a 3.57 1.39 0.4 04T002F M a 4.37 1.79 0.2 04T004F M a 4.37 1.79 0.4
Recommended Cutting Conditions
Work Material Grade Cutting Speed (m/min) Feed (mm/rev) Depth of Cut (m/m) Tool Overhang (l/d)
P General Steel NX2525 80 (40─120) 0.03 (0.01─0.05) 0.2 (0.1─0.3) 3─5
H Brazed Steel MB810 80 (40─120) 0.03 (0.01─0.05) 0.1 (0.03─0.2) 3─5
M Stainless Steel VP15TF 80 (40─120) 0.03 (0.01─0.05) 0.2 (0.1─0.3) 3─5
K Cast Iron VP15TF 80 (40─120) 0.03 (0.01─0.05) 0.2 (0.1─0.3) 3─5
N VP15TF 120 (80─160) 0.05 (0.01─0.08) 0.4 (0.1─0.6) 3─5 Non-ferrous Materials MD220 120 (80─160) 0.05 (0.01─0.08) 0.4 (0.1─0.6) 3─5
9 a : Inventory maintained. Precautions when using the MICRO-DEX and MICRO-MINI TWIN
MICRO-DEX aWe recommended using cutting fluid to improve tool life and accuracy of the machined surface. aIndexable inserts and clamp screws are small and can easily be lost. aIf the insert screw is overtightened, the screw or wrench may be damaged. Follow the guidelines shown below when tightening the clamp screw. The appropriate insert tightening torque is 0.5 (N/m).
Tightening of insert screw Screw tightening without an insert
zHold the wrench flag as shown in the The main screw part may diagram and turn it until finger tight. be damaged if tightened.
Correct Incorrect
xHold the wrench flag and turn it z ° 0 approximately 60° to 90° x 9 °− (reference tightening angle). 60 aNote that the procedures are performed starting with the insert screw on the back side when using a reverse holder.
Normal use Reverse holder use
Insert easily falls out
Start with the insert clamp on the front side. Start with the insert clamp on the back side. aUse within recommended specification ranges. Maximum L/d=5 (L : total length; d : shank diameter) If the L/d ratio exceeds the recommended value, lower the cutting conditions. yRepair aIf the holders break, Mitsubishi Materials can repair them.
MICRO-MINI TWIN a Fig. 1 When using a holder for general purpose / small automatic lathe. Internal face of the holder aTo avoid chipping of the 2nd cutting edge take care when inserting the boring bar into the holder. Refer to fig.1. If the 2nd edge contacts the internal face of the holder there is a possibility that it may chip. Cutting edge Insert direction sWhen using this type of holder, there is a possibility that damage to the shank and the 2nd cutting edge can occur. Make sure that the clamping screws are tightened to the set torque value. Additionally make sure that there is no clamping screw near the 2nd cutting edge as this can Fig. 2 3rd clamping screw break the boring bar. 123 eWhen using Mitsubishi holders When using holders with a tool overhang of recommended quantity, ensure that the 3rd clamping Insert point 2nd cutting edge screw is removed prior to machining. The set torque value for clamping screw is 2.0 N•m. aWhen using a square type holder: aWhen installing the boring bar into the holder, tighten the clamp screws after ensuring the flats on Fig. 3 the tool holder are parallel to the reference flats on the micro-mini bar. Refer to fig.3. sMake sure that the clamping screws are tightened to the recommended values. Insert The reference plane of dDo not tighten the clamp screw without a bar in place, otherwise the bridge will be deformed. a square type holder Tighten the clamp screws making the micro-mini twin boring bars contact with the reference plane of the square type holder.
10 Small Boring Bar Series HOLDERS
yFeatures
aCompatible with any type of automatic and NC lathe Round Type Holder (Tapered holder)
Square Type Holder
Smooth chip evacuation aThe shape of the cutting point contributes to good chip control and coolant supply.
Small holder for easy coolant supply as well as excellent chip evacuation.
Smooth chip evacuation Coolant flows to the cutting edge without interference from the holder.
Efficient coolant supply
aSquare holder for easy installation Flat face Flat clamp faces fix the position of the top cutting edge.
* The MICRO-DEX and MICRO-MINI Micro-Mini Twin cannot be fitted to square holders. does not twist.
yRecommended tool overhang Flat face
Micro-Mini Twin Micro-Mini Twin Micro-Mini Twin CG type CT type CR type
L10+2(mm) L10+2(mm) L10+2(mm)
Holder Holder Holder
Note) For L10, please refer to the tool standards (page 3 for CT type and page 4 for CG and CR types). 11 HOLDER yRound Type Holder x 5 S1 S2 3-M4 x 0.7 øD8 5S1 S2 3-M4 0.7 4 5 øD øD øD5 10 10 xc z S3 x c z v L1 20 L1 RBH158ppN, RBH16ppN, RBH22ppN has a temporary set screw for different machine specifications. RBH190ppN (Represented by number 4) 1 Dimensions (mm) Clamp Screw * Torque Order Number Stock Wrench (N/m) D4 D8 D5 L1 S1 S2 S3 zxcv RBH 15820N a 15.875 2 15 100 10 ─ ─ B B ─ ─ HKY20F 2.0 15830N a 15.875 3 15 100 10 10 ─ A A A ─ HKY20F 2.0 15840N a 15.875 4 15 100 15 15 ─ A A A ─ HKY20F 2.0 15850N a 15.875 5 15 100 15 15 ─ A A A ─ HKY20F 2.0 15860N a 15.875 6 15 100 20 20 ─ A A A ─ HKY20F 2.0 15870N a 15.875 7 15 100 20 20 ─ A A A ─ HKY20F 2.0 RBH 1620N a 16 2 15 100 10 ─ ─ B B ─ ─ HKY20F 2.0 1630N a 16 3 15 100 10 10 ─ A A A ─ HKY20F 2.0 1640N a 16 4 15 100 15 15 ─ A A A ─ HKY20F 2.0 1650N a 16 5 15 100 15 15 ─ A A A ─ HKY20F 2.0 1660N a 16 6 15 100 20 20 ─ A A A ─ HKY20F 2.0 1670N a 16 7 15 100 20 20 ─ A A A ─ HKY20F 2.0 *2 RBH 19020N a 19.05 2 18 125 10 ─ ─ C C ─ ─ HKY20F 2.0 *2 19030N a 19.05 3 18 125 10 10 ─ B B B ─ HKY20F 2.0 *2 19040N a 19.05 4 18 125 15 15 ─ B B B ─ HKY20F 2.0 *2 19050N a 19.05 5 18 125 15 15 ─ B B B ─ HKY20F 2.0 *2 19060N a 19.05 6 18 125 20 20 ─ B B B ─ HKY20F 2.0 *2 19070N a 19.05 7 18 125 20 20 ─ B B B ─ HKY20F 2.0 RBH 2020N a 20 2 11 125 10 ─ ─ A A ─ ─ HKY20F 2.0 2030N a 20 3 12 125 10 10 ─ A A B ─ HKY20F 2.0 2040N a 20 4 13 125 15 15 ─ A B B ─ HKY20F 2.0 2050N a 20 5 14 125 15 15 ─ A B B ─ HKY20F 2.0 2060N a 20 6 15 125 20 20 ─ A B B ─ HKY20F 2.0 2070N a 20 7 16 125 20 20 ─ A B B ─ HKY20F 2.0 RBH 2220N a 22 2 11 125 10 ─ 10 A B ─ A HKY20F 2.0 2230N a 22 3 12 125 10 10 10 A B C A HKY20F 2.0 2240N a 22 4 13 125 15 15 12.5 A B B A HKY20F 2.0 2250N a 22 5 14 125 15 15 12.5 A B B A HKY20F 2.0 2260N a 22 6 15 125 20 20 15 A B B A HKY20F 2.0 2270N a 22 7 16 125 20 20 15 A B B A HKY20F 2.0 RBH 2520N a 25 2 11 150 10 ─ ─ A B ─ ─ HKY20F 2.0 2530N a 25 3 12 150 10 10 ─ A B C ─ HKY20F 2.0 2540N a 25 4 13 150 15 15 ─ A C C ─ HKY20F 2.0 2550N a 25 5 14 150 15 15 ─ A C C ─ HKY20F 2.0 2560N a 25 6 15 150 20 20 ─ A C C ─ HKY20F 2.0 2570N a 25 7 16 150 20 20 ─ A C C ─ HKY20F 2.0 RBH 25420N a 25.4 2 11 150 10 ─ ─ A B ─ ─ HKY20F 2.0 25430N a 25.4 3 12 150 10 10 ─ A B C ─ HKY20F 2.0 25440N a 25.4 4 13 150 15 15 ─ A C C ─ HKY20F 2.0 25450N a 25.4 5 14 150 15 15 ─ A C C ─ HKY20F 2.0 25460N a 25.4 6 15 150 20 20 ─ A C C ─ HKY20F 2.0 25470N a 25.4 7 16 150 20 20 ─ A C C ─ HKY20F 2.0 *1 Order number of clamp screw A=HSS04004, B=HSS04006, C=HSS04008 *2 Revised order number Conventional order number Revised order number RBH 1920N RBH 19020N 1930N 19030N 1940N 19040N 1950N 19050N 1960N 19060N 1970N 19070N 12 a : Inventory maintained. Small Boring Bar Series HOLDER
ySquare Type Holder
CB type (Boring bar with holder) 45° 8 10 1 B F )
20 Clamp ( L3 100 10 10
CG type (Boring bar with holder) CT type (Boring bar with holder) 8 8 2 2 1 1 S S F F
L3 L3
CR type (Boring bar with holder) 8 2 1 S F
L3
Dimensions (mm) Maximum Tool Overhang L3 Micro-Mini Twin F1 S2 B Order Number (Recommended tool overhang when machining general steels) CB
Stock CG CB CG CT CR CB CG..RS-10 CG..RS-20 CT CR CT CG CB CG CT CR Wrench CG..RS-10B CG..RS-20B CT Clamp Screw CR CR (N/m) Torque 6─24 02RS HSC HKY SBH 1020R a 13 ─ ─ ─ ──── ─ 12.9 ─ ─ ─ 4.8 (6─10) 02RS-B 04010 30R 8.5─22 13─17.5 14─16.5 13─17.5 11─19.5 03RS 03RS-pp 03RS-M4 03RS-01 HSC HKY 1030R a 14 13.8 13.8 12.65 14 13.8 9.5 (9─15) (14) (15) (14) (12) 03RS-B 03RS-ppB 03RS-M4B 03RS-01B 05012 40R 11─29.5 18─22.5 19─21.5 18.5─22 13─27.5 04RS 04RS-pp 04RS-M6 04RS-01 HSC HKY 1040R a 15 14.8 14.8 13.15 15 14.7 9.5 (12─20) (19) (20) (19.5) (14) 04RS-B 04RS-ppB 04RS-M6B 04RS-01B 05012 40R 13.5─37 23─27.5 24─26.5 24─26.5 15─35.5 05RS 05RS-pp 05RS-M8 05RS-01 HSC HKY 1050R a 16 15.8 15.8 13.65 16 15.6 9.5 (15─25) (24) (25) (25) (16) 05RS-B 05RS-ppB 05RS-M8B 05RS-01B 05012 40R 23─32.5 24─31.5 24─31.5 06RS-pp 06RS-M10 HSC HKY 1060R a ─ 16.8 16.8 ─ ─ ─ 17 16.5 ─ ─ 9.5 (24) (25) (25) 06RS-ppB 06RS-M10B 05012 40R 28─38 29─37 07RS-pp HSC HKY 1070R a ─ 17.8 ─ ─ ─ ─ ─ 18 17.4 ─── 9.5 (29) (30) 07RS-ppB 05012 40R * The MICRO-DEX and MICRO-MINI cannot be fitted to square holders.
13 a : Inventory maintained. Holder Cross Reference List
Holder MICRO-MINI TWIN MICRO-MINI MICRO-DEX Machine Makers Type Order Number CB CG CTCR C 02RS RBH15820H 02RS-B ─ ─ ─ ─ ─ 03RS 03RS-pp 03RS-M4 03RS-01 15830H pp ─ 03FR-BLS Round 03RS-B 03RS- B 03RS-M4B 03RS-01B 04RS 04RS-pp 04RS-M6 04RS-01 ppp pp 15840H pp C04GS R 04FR-BLS Type 04RS-B 04RS- B 04RS-M6B 04RS-01B Citizen Machinery Co., Ltd. 05RS 05RS-pp 05RS-M8 05RS-01 ppp pp Holder 15850H pp C05HS R 05HR-BLS & 05RS-B 05RS- B 05RS-M8B 05RS-01B 15.875 06RS-pp 06RS-M10 ppp pp 15860H ─ 06RS-ppB 06RS-M10B ─ C06JS R ─ 07RS-pp ppp pp 15870H ─ 07RS-ppB ─ ─ C07KS R ─ 02RS RBH1620N 02RS-B ─── ─ ─ 03RS 03RS-pp 03RS-M4 03RS-01 1630N pp ─ 03FR-BLS Round 03RS-B 03RS- B 03RS-M4B 03RS-01B 04RS 04RS-pp 04RS-M6 04RS-01 ppp pp Type 1640N 04RS-B 04RS-ppB 04RS-M6B 04RS-01B C04GS R 04FR-BLS Tsugami Corporation 05RS 05RS-pp 05RS-M8 05RS-01 ppp pp NC lathes Holder 1650N pp C05HS R 05HR-BLS & 05RS-B 05RS- B 05RS-M8B 05RS-01B 16 06RS-pp 06RS-M10 ppp pp 1660N ─ 06RS-ppB 06RS-M10B ─ C06JS R ─ 07RS-pp ppp pp 1670N ─ 07RS-ppB ─ ─ C07KS R ─ 02RS RBH19020N 02RS-B ─ ─ ─ ─ ─ 03RS 03RS-pp 03RS-M4 03RS-01 19030N pp ─ 03FR-BLS Round 03RS-B 03RS- B 03RS-M4B 03RS-01B 04RS 04RS-pp 04RS-M6 04RS-01 ppp pp 19040N pp C04GS R 04FR-BLS Type 04RS-B 04RS- B 04RS-M6B 04RS-01B Citizen Machinery Co., Ltd. 05RS 05RS-pp 05RS-M8 05RS-01 ppp pp Holder 19050N pp C05HS R 05HR-BLS & 05RS-B 05RS- B 05RS-M8B 05RS-01B 19.05 06RS-pp 06RS-M10 ppp pp 19060N ─ 06RS-ppB 06RS-M10B ─ C06JS R ─ 07RS-pp ppp pp 19070N ─ 07RS-ppB ─ ─ C07KS R ─ 02RS RBH2020N 02RS-B ─ ─ ─ ─ ─ 03RS 03RS-pp 03RS-M4 03RS-01 2030N pp ─ 03FR-BLS Round 03RS-B 03RS- B 03RS-M4B 03RS-01B Citizen Machinery Co., Ltd. 04RS 04RS-pp 04RS-M6 04RS-01 ppp pp Type 2040N 04RS-B 04RS-ppB 04RS-M6B 04RS-01B C04GS R 04FR-BLS Tsugami Corporation Holder 05RS 05RS-pp 05RS-M8 05RS-01 ppp pp Miyano Machinery, Inc. 2050N 05RS-B 05RS-ppB 05RS-M8B 05RS-01B C05HS R 05HR-BLS & NC lathes 20 06RS-pp 06RS-M10 ppp pp 2060N ─ 06RS-ppB 06RS-M10B ─ C06JS R ─ 07RS-pp ppp pp 2070N ─ 07RS-ppB ─ ─ C07KS R ─ 02RS RBH2220N 02RS-B ─ ─ ─ ─ ─ 03RS 03RS-pp 03RS-M4 03RS-01 2230N pp ─ 03FR-BLS Round 03RS-B 03RS- B 03RS-M4B 03RS-01B 04RS 04RS-pp 04RS-M6 04RS-01 ppp pp 2240N pp C04GS R 04FR-BLS Type 04RS-B 04RS- B 04RS-M6B 04RS-01B Star Micronics Co., Ltd. 05RS 05RS-pp 05RS-M8 05RS-01 ppp pp Holder 2250N pp C05HS R 05HR-BLS & 05RS-B 05RS- B 05RS-M8B 05RS-01B 22 06RS-pp 06RS-M10 ppp pp 2260N ─ 06RS-ppB 06RS-M10B ─ C06JS R ─ 07RS-pp ppp pp 2270N ─ 07RS-ppB ─ ─ C07KS R ─ 02RS RBH2520N 02RS-B ─ ─ ─ ─ ─ 03RS 03RS-pp 03RS-M4 03RS-01 2530N pp ─ 03FR-BLS Round 03RS-B 03RS- B 03RS-M4B 03RS-01B 04RS 04RS-pp 04RS-M6 04RS-01 ppp pp Tsugami Corporation 2540N pp C04GS R 04FR-BLS Type 04RS-B 04RS- B 04RS-M6B 04RS-01B Miyano Machinery, Inc. 05RS 05RS-pp 05RS-M8 05RS-01 ppp pp Holder 2550N pp C05HS R 05HR-BLS & 05RS-B 05RS- B 05RS-M8B 05RS-01B NC lathes 25 06RS-pp 06RS-M10 ppp pp 2560N ─ 06RS-ppB 06RS-M10B ─ C06JS R ─ 07RS-pp ppp pp 2570N ─ 07RS-ppB ─ ─ C07KS R ─ 02RS RBH25420H 02RS-B ─ ─ ─ ─ ─ 03RS 03RS-pp 03RS-M4 03RS-01 25430H pp ─ 03FR-BLS Round 03RS-B 03RS- B 03RS-M4B 03RS-01B 04RS 04RS-pp 04RS-M6 04RS-01 ppp pp 25440H pp C04GS R 04FR-BLS Type 04RS-B 04RS- B 04RS-M6B 04RS-01B Citizen Machinery Co., Ltd. 05RS 05RS-pp 05RS-M8 05RS-01 ppp pp Holder 25450H pp C05HS R 05HR-BLS & 05RS-B 05RS- B 05RS-M8B 05RS-01B 25.4 06RS-pp 06RS-M10 ppp pp 25460H ─ 06RS-ppB 06RS-M10B ─ C06JS R ─ 07RS-pp ppp pp 25470H ─ 07RS-ppB ─ ─ C07KS R ─ 02RS SBH1020R 02RS-B ─ ─ ─ ─ ─ 03RS 03RS-pp 03RS-M4 03RS-01 1030R 03RS-B 03RS-ppB 03RS-M4B 03RS-01B ─ ─ Square 04RS 04RS-pp 04RS-M6 04RS-01 1040R 04RS-B 04RS-ppB 04RS-M6B 04RS-01B ─ ─ Type NC lathes 05RS 05RS-pp 05RS-M8 05RS-01 ─ ─ Holder 1050R 05RS-B 05RS-ppB 05RS-M8B 05RS-01B 06RS-pp 06RS-M10 1060R ─ 06RS-ppB 06RS-M10B ─ ─ ─ 07RS-pp 1070R ─ 07RS-ppB ─ ─ ─ ─ Mitsubishi Materials obtained the makers’ approval before entering their names in the list. * 14 Small Boring Bar Series MICRO-MINI TWIN Application Examples Tool CB05RS-B CG05RS-20B CT05RS-M8B Grade VP15TF VP15TF VP15TF Overhang (mm) 15 23 23 Machine Small NC lathe Small NC lathe Small NC lathe Flange: JIS SUS316 JIS S45C JIS S45C ø8 ø5
Workpiece ø16 ø40 ø15 ø6.2 ø6.0 øM8×1.25
4 10 14
Cutting Speed (m/min) 60 40 40 Feed (mm/rev) 0.02 0.03 ―
Cutting Depth of Cut (mm) Groove depth: 1.5 ( – ) Conditions 0.1 14 passes, M8 x 1.25 0.07 0.03 Coolant Cutting oil W.S.O. W.S.O. Problems related with poor chip control Conventional tools with a flat land on the rake Conventional tools left burrs on the thread, were eliminated. face caused high cutting resistance and tended whereas the Micro Mini Twin with a chip Results to break. The sharp edge of the Micro Mini Twin breaker left no burrs. improves cutting edge reliability. MICRO-DEX Application Examples Tool C05HSCLCR03 C07KSTUCR06 C05HSWUBR02 Grade 35 35 15 Overhang (mm) CCGT03S101L-F(VP15TF) TCGT060102L-F(VP15TF) WBGT0201V3L-F(VP15TF) Machine NC automatic lathe NC automatic lathe NC automatic lathe JIS SUS303 JIS SUS303 JIS SUS303 ø8.0 ø6.1 ø6.7 ø10.0
Workpiece
32 28 18
Cutting Speed (m/min) 57 63 110 Feed (mm/rev) 0.05 0.04 0.03
Cutting Depth of Cut (mm) Conditions 0.1 0.08 0.03 Coolant W.S.O. Cutting oil Cutting oil Improved resistance to insert wear and tool Improved resistance to insert wear and tool Compared to non coated inserts, tool life is Results life increased by 300%. life increased by 30%. extended by 50%.
For Your Safety aDon't handle inserts and chips without gloves. aPlease machine within the recommended application range and exchange expired tools with new ones in advance of breakage. aPlease use safety covers and wear safety glasses. aWhen using compounded cutting oils, please take fire precautions. aWhen attaching inserts or spare parts, please use only the correct wrench or spanner. aGrinding or heating of cutting tools produces dust and mist. Inhaling large amount of dust or contacting with eyes and skins may harm your body.
The Scope of the Registration: Design, Development and The Scope of the Registration: Production of Cutting Tools, Design, Development and Wear-resistant Tools, Rock Production of Cemented Drilling Tools, Cemented Registration No. 00GRC-EA010 (Gifu Plant) ISO 9001:2000, ISO 14001:1996 Carbide Tools and Carbide ISO 9001:2000 Carbide Blanks and Coated (JSAQ080) (JSAE036) Blanks (JSAQ094) Products
MITSUBISHI MATERIALS CORPORATION MITSUBISHI MATERIALS U.S.A. CORPORATION Area Marketing & Operations Dept. Headquarters KFC bldg., 8F, 1-6-1, Yokoami, Sumida-ku, Tokyo 130-0015, Japan 17401, Eastman Street, Irvine, California, 92614, USA TEL +81-3-5819-8772 FAX +81-3-5819-8774 TEL +1-949-862-5100 FAX +1-949-862-5180
MMC HARTMETALL GmbH MMC METAL SINGAPORE PTE LTD. Comeniusstr.2, 40670, Meerbusch GERMANY 10, Arumugam Road, #04-00 Lion Industrial Bldg.,409957, SINGAPORE TEL +49-2159-9189-0 FAX +49-2159-918966 TEL +65-6743-9370 FAX +65-6749-1469
Mitsubishi Carbide Home page : (Tools specifications subject to change without notice.)
2007.11.E( - )