Series: SPMR Chipbreaker
Product Series Features:
- Positive 11° clearance square inserts
- For medium applications
ANSI Number |
ISO Number |
NOI Number of Indexes |
IC Inscribed Circle Dia. |
RE Corner Radius |
L Cutting Edge Length |
S Thickness |
fn Cutting Feed Min. |
fn Cutting Feed Max. |
ap Cutting Depth Min. |
ap Cutting Depth Max. |
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| SPMR321 | SPMR090304 | 4 | 0.375 | 0.016 | 0.359 | 0.125 | 0.004 | 0.010 | 0.028 | 0.138 |
ANSI Number |
ISO Number |
NOI Number of Indexes |
IC Inscribed Circle Dia. |
RE Corner Radius |
L Cutting Edge Length |
S Thickness |
fn Cutting Feed Min. |
fn Cutting Feed Max. |
ap Cutting Depth Min. |
ap Cutting Depth Max. |
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| SPMR321 | SPMR090304 | 4 | 0.375 | 0.016 | 0.359 | 0.125 | 0.004 | 0.010 | 0.028 | 0.138 | |
| SPMR322 | SPMR090308 | 4 | 0.375 | 0.031 | 0.344 | 0.125 | 0.005 | 0.012 | 0.039 | 0.138 | |
| SPMR421 | SPMR120304 | 4 | 0.500 | 0.016 | 0.484 | 0.125 | 0.004 | 0.010 | 0.039 | 0.197 | |
| SPMR422 | SPMR120308 | 4 | 0.500 | 0.031 | 0.469 | 0.125 | 0.005 | 0.012 | 0.039 | 0.197 | |
| SPMR423 | SPMR120312 | 4 | 0.500 | 0.047 | 0.453 | 0.125 | 0.006 | 0.014 | 0.039 | 0.197 |
Positive Chipbreaker Insert Cross-Sections
Positive Inserts - Pressed
- For super finish applications
- Very tight chipbreaker
- Excellent chip control
- For finish to medium light applications
- Steel and stainless steel machining
- Low cutting forces
- Excellent chip control
- For finishing applications on mild steels
- Narrow chip breaker design for optimal chip control
- For medium applications
- Suitable for a wide variety of meterials
- Low cutting force
- Medium and semi-finishing machining for steel and stainless steel
- Precision machining
- Low cutting force chip breaker geometry
- For medium to medium rough applications
- Steel, stainless steel and cast iron machining
- Negative rake geometry for general use
- For medium to rough machining applications
- Steel, cast iron and stainless steel machining
- Stable cutting and low cutting forces at high feed rates
- For medium to medium rough applications
- Steel, stainless steel and cast iron
- Positive rake geometry
- For heavy and interrupted machining applications
- Steel, stainless steel and cast iron machining
- Optimized chip groove geometry
- For high feed roughing applications
- Steel, stainless steel and cast iron machining
- Strong rake geometry
- For heavy and interrupted machining application
- Super alloy, steel, and stainless steel machining
- Optimized chip groove geometry
- For general machining application
- Super alloy and stainless steel machiningSharp geometry
- For general machining application
- Non-ferrous machining
- High positive rake geometry
Positive Inserts - Ground
- For finish to medium applications
- For small component machining
- Excellent surface finish
- For super finish applications
- Steel, stainless steel and alloy steel machining
- For super finish applications
- Wiper geometry for good surface finish
- Steel, stainless steel and alloy steel machining
- Lower cutting resistance and heat generation in heat resistant super alloys machining
- High rake angle for smooth chip formation
- High performance in low depth of cut and low feed machining
- Excellent chip segmentation due to wave geometry edge and special inclined design
- For finish to medium applications
- Steel & aluminum machining
- Low cutting force
- 1st recommended chip breaker for Swiss type automatic lathe
- Stable cutting edge and low cutting resistance
- Suitable for deep depth of cut machining
- Excellent chip control in a wide machining range
- For finish to medium applications
- Aluminum machining
- Very high positive rake geometry to minimize built-up-edge
