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MICRO-MINI
a Solid carbide type (Single cutting edges). a l/d is 5 times the diameter. a Cutting edge can be shaped according to the application. Thus, it covers a wide cutting range (threading, grooving, copying, etc.).
| NDARD M Order Number | TF15 CRO- Stock | CW INI | DCON BOR D | LF ING imens | LDRED BAR ions(mm | DMIN S ) | F2 (Solid | carbide boringbar) Geomet | ry |
| C03FR-BLS | a | 2.0 | 3 | 80 | 15 | 3.2 | 1.0 | 4° 2 | CON |
| C04FR-BLS | a | 2.5 | 4 | 80 | 20 | 4.2 | 1.5 | F Flat area | D |
| C05HR-BLS | a | 3.0 | 5 | 100 | 25 | 5.2 | 2.0 | DMIN LDRED CW Flat area | LF Right hand tool only. |
DMIN : Min. Cutting Diameter
RECOMMENDED CUTTING CONDITIONS
E
| Work Material | Cutting Speed (SFM) | Feed (IPR) | Depth of Cut (inch) | l/d | CuttingEdg Corner Radius or BCH | e Preparation Honing |
| P Carbon Steel, Alloy Steel 180─350HB | 100─165 | ─.004 | .004─.012 | 5 | .004─.020 | .0004─.002 |
| M Stainless Steel | 100─165 | ─.004 | .004─.012 | 5 | (Honingnot required) | |
| K Gray Cast Iron | 100─165 | ─.002 | .004─.012 | 5 | .004─.020 | .0004─.002 |
| N Non-Ferrous Meterial | 200─330 | ─.004 | .004─.020 | 5 | .004─.020 | (Honingnot required) |
* Cutting edge is not honed. Please hone according to the workpiece before machining.
GRINDING THE CUTTING EDGE OF 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 wet stone approximately #250 - #400. Please grind according to application using the figure below as a reference.
Boring Grooving Threading
.0118"–.0197" Corner radius (Grinding)
(Grinding
Grinding
Groove width Thread angle Grinding
CW Grinding Grinding
6° Double sided relief