
SUMIDIA Break Master LD Type
9.0 Conventional product 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 equipped with SUMIDIA insert 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 Neck
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-RE0.1Effective length Effective length 2-RE0.1
L L 45˚ 45˚
| Dimensions (mm) | Dimensions (mm) | M | ||
| Coated carbide Width of Length Length Depth of Neck Effective | SUMIDIA Width of Length Length Depth of Neck Effective |
Cat. No. cut cut Length Cat. No. cut cut Length
| AC1030U AC530U CW | L | LF LH2 LH | (mm) | DA1000 CW | L | LF LH2 LH | (mm) | |||||
| 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 SUMIDIA SUMIDIA Binderless
| Work material | P M N | N | |
| Grade | AC1030U | DA10 | 00 |
| 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 |
SUMICRYSTAL
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. 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 stocked item (expanded product) M27