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Recommended Cutting Data

 

Below follows the recommended cutting data for J-type and K-type external turning, T-type thread turning and C-type internal turning. Values for uncaoted and coated are listed and should be sufficient. Read about more on carbide grades.

 

Recommended Cutting Data for J-type Front Turning Inserts

Material Hardness Feed Rate
 m/min** m/min**
HB* mm/rev Uncoated Coated
     
Carbon steel 150 0,10-0,22 160-270 200-350
250 0,08-0,17 120-220 150-275
350 0,07-0,14 70-140 100-200
         
Alloy steel 200 0,08-0,20 110-190 150-275
300 0,07-0,16 70-140 100-200
400 0,06-0,15 50-100 70-140
         
Stainless steel 150 0,08-0,20 110-190 150-275
250 0,07-0,16 70-140 100-200
350 0,06-0,15 50-100 70-140
         
Material Hardness Feed Rate
 m/min** m/min**
HB* mm/rev Uncoated Coated
     
High temperature alloy 200 0,05-0,12 40-110 50-130
300 0,05-0,12 25-90 30-110
400 0,05-0,12 20-65 25-80
         
Brass <110 0,10-0,35 300-700 400-1000
>110 0,08-0,28 250-500 300-700
         
Copper <100 0,10-0,35 250-500 300-700
>100 0,08-0,28 175-350 250-500
         
Aluminum <100 0,10-0,20 300-700 400-1000
>100 0,08-0,20 250-500 300-700

 

Recommended Cutting Data for K-type Radial TurningInserts

Material Hardness Feed Rate
 m/min** m/min**
HB* mm/rev Uncoated Coated
       
Carbon steel 150 0,07-0,15 130-230 160-270
250 0,05-0,12 100-190 120-220
350 0,04-0,10 60-120 70-140
   
Alloy steel 200 0,05-0,12 90-160 110-190
300 0,04-0,10 60-120 70-140
400 0,03-0,08 40-80 50-100
     
Stainless steel 150 0,05-0,12 90-160 110-190
250 0,04-0,10 60-120 70-140
350 0,03-0,08 40-80 50-100
Material Hardness Feed Rate
 m/min** m/min**
HB* mm/rev Uncoated Coated
         
High temperature alloy 200 0,03-0,09 30-90 40-110
300 0,03-0,09 20-75 25-90
400 0,03-0,09 15-50 20-65
     
Brass <110 0,07-0,25 250-500 300-700
>110 0,05-0,20 175-350 250-500
     
Copper <100 0,07-0,25 200-400 250-500
>100 0,05-0,20 140-280 175-350
     
Aluminum <100 0,07-0,15 250-600 300-700
>100 0,06-0,15 175-400 250-500

 

 

Recommended Cutting Data for T-type Threading Inserts

Material Hardness Feed Rate
 Threading m/min** m/min**
HB* mm/rev m/min Uncoated Coated
         
Carbon steel 150 0,07-0,15 130-230 130-230 160-270
250 0,05-0,12

100-190

 100-190 120-220
350 0,04-0,10 60-120 60-120 70-140
   
Alloy steel 200 0,05-0,12 90-160 90-160 110-190
300 0,04-0,10 60-120 60-120 70-140
400 0,03-0,08 40-80 40-80 50-100
     
Stainless steel 150 0,05-0,12 90-160 90-160 110-190
250 0,04-0,10 60-120 60-120 70-140
350 0,03-0,08 40-80 40-80 50-100
Material Hardness Feed Rate
 Threading m/min** m/min**
HB* mm/rev m/min Uncoated Coated
           
High temperature alloy 200 0,03-0,09 30-90 30-90 40-110
300 0,03-0,09 20-75 20-75 25-90
400 0,03-0,09 15-50 15-50 20-65
     
Brass <110 0,07-0,25 250-500 250-500 300-700
>110 0,05-0,20 175-350 175-350 250-500
     
Copper <100 0,07-0,25 200-400 200-400 250-500
>100 0,05-0,20 140-280 140-280 175-350
     
Aluminum <100 0,07-0,15 250-600 250-600 300-700
>100 0,06-0,15 175-400 175-400 250-500

 

 

Recommended Cutting Data for C-type WhizIn Boring Bars

Turning, Copy Turning, Back turning etc.
Material Hardness Feed Rate
 m/min** m/min**
HB* mm/rev Uncoated Coated
         
Carbon steel 150 0,10-0,22 160-270 200-350
250 0,08-0,17 120-220 150-275
350 0,07-0,14 70-140 100-200
       
Alloy steel 200 0,08-0,20 110-190 150-275
300 0,07-0,16 70-140 100-200
400 0,06-0,15 50-100 70-140
       
Stainless steel 150 0,08-0,20 110-190 150-275
250 0,07-0,16 70-140 100-200
350 0,06-0,15 50-100 70-140
       
High temperature alloy 200 0,05-0,12 40-110 50-130
300 0,05-0,12 25-90 30-110
400 0,05-0,12 20-65 25-80
       
Brass <110 0,10-0,35 300-700 400-1000
>110 0,08-0,28 250-500 300-700
       
Copper <100 0,10-0,35 250-500 300-700
>100 0,08-0,28 175-350 250-500
       
Aluminum <100 0,10-0,20 300-700 400-1000
>100 0,08-0,20 250-500 300-700

Grooving, Threading etc.
Material Hardness Feed Rate
 m/min** m/min**
HB* mm/rev Uncoated Coated
       
Carbon steel 150 0,07-0,15 130-230 160-270
250 0,05-0,12 100-190 120-220
350 0,04-0,10 60-120 70-140
       
Alloy steel 200 0,05-0,12 90-160 110-190
300 0,04-0,10 60-120 70-140
400 0,03-0,08 40-80 50-100
       
Stainless steel 150 0,05-0,12 90-160 110-190
250 0,04-0,10 60-120 70-140
350 0,03-0,08 40-80 50-100
       
High temperature alloy 200 0,03-0,09 30-90 40-110
300 0,03-0,09 20-75 25-90
400 0,03-0,09 15-50 20-65
       
Brass <110 0,07-0,25 250-500 300-700
>110 0,05-0,20 175-350 250-500
       
Copper <100 0,07-0,25 200-400 250-500
>100 0,05-0,20 140-280 75-350
       
Aluminum <100 0,07-0,15 250-600 300-700
>100 0,06-0,15 175-400 250-500

*  HB Scale is Hultgren Ball Scale and is roughly equivalent to ten time Rockwell C Scale. Ex: A 350 HB would be approximately 35RC.

** Meters per min convert to RPM with formula RPM • Ø of Work (mm) •3.14/1000
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