
SUMIDIA Break Master LD Type
9.0 Conventional chipbreaker Work material: Valve (A6061) Tool Cat. No.: KGV R2004-LD (DA1000) Cutting conditions: v = 250 m/min f = 0.10 mm/rev a = 0.5 mm Wet c p
SGW When SUMIDIA insert is installed LH2 LH2 General Turning
LH LH
LF LF Parts
45˚ 45˚
Dimensions (mm) (For Torx holes)
Note: Use the SUMIDIA insert Height Width Length Depth of cut Stem
Cat. No. Stock Screw Wrench
| when performing traverse | H | B | LF | LH2 | LH | ||
| cutting. | D | ||||||
| SGW R1212 | 12 | 12 | 120 | 7.0 | 24.5 |
BFTX0410T8R 1.1 TRX08
SGW R1616 D 16 16 120 7.0 24.5
Note: The LF, LH2, and LH dimensions above indicate the dimensions when the carbide insert is attached. (The dimensions for when the SUMIDIA insert is attached is shown in the table below)
2-RE0.1 Effective length Effective length
2-RE0.1 L L 45˚ 45˚ Dimensions Dimensions
(mm) (mm) Coated carbide Edge width Length Length Depth of cut Stem Effective SUMIDIA Edge width Length Length Depth of cut Stem Effective Cat. No. Cat. No.
| AC1030U AC530U CW | L | LF LH2 LH | Length | DA1000 CW | L | LF LH2 LH | Length | |||||
| KGV R400 | D | D | 4.0 21.0 120 7.0 24.5 | 6.3 | KGV R2004-LD | D | 2.0 19.7 118.7 5.7 23.2 | 4.0 | ||||
| KGV R500 | D | D | 5.0 21.0 120 7.0 24.5 | 6.3 | KGV R2504-LD | D | 2.5 19.7 118.7 5.7 23.2 | 4.0 | ||||
| KGV R600 | D | D | 6.0 21.0 120 7.0 24.5 | 6.3 | KGV R2506-LD | D | 2.5 21.2 120.2 7.2 24.7 | 5.5 |
Recommended Cutting Conditions
| Work material | P M N | N | |
| Grade | AC1030U | DA1 | 000 |
| Machiningdetails | Grooving | Grooving | Traverse cutting |
| Rotation speedn (min-1) | 4,000‒6,000 | 4,500‒8,000 | 4,500‒8,000 |
| Feed ratef (mm/rev) | 0.05‒0.15 | 0.07‒0.15 | 0.07‒0.15 |
| Coolant | Wet |
Note: Use caution in regards to the spindle power when using this. If this tool is used with a small lathe, the machine may stop during machining due to insufficient spindle power. Please use caution especially when machining carbon steel and stainless steel. D10 Recommended tightening torque (N・m) Caution: Re-griding the cutting edges of the SUMIDIA BreakMaster LD type may affect the chip control performance. mark: Standard stock (expanded produ ct)