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Front Turning: J-type Inserts & Tool Holders

 

Front Turning Inserts for straight turning, copy turning, groove turning and profile turning Style H Inserts for Turning Style J for Turning Style F inserts for an Extra Finishing Cut & Back Turning Style A Inserts for Groove Turning Style D Inserts for Finish and Copy Turnig Style N Inserts for Finish and Copy Turning Style V Inserts for Finish and Copy Turning Style M Inserts for Profile and Copy Turning  

 

   

The J-type tooling setup is optimized for straight turning, copy turning, groove turninga and profile turning. The J-type inserts are available in many variations to enable the most suitable combination of cutting rakes, shapes, corner executions, chip control and grades of carbide.

The J-type insert is heavily tilted in the tool holder to give the best clearance and maximum stability in the tooling. The resulting cutting force is illustrated beside.

Resulting cutting force on Front Turning Tool Holder Resulting cutting force on front turning tool holder from above
Red line = Resulting cutting force

Recommended Cutting Data for J-type 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

Additional information on cutting data

 

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