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CoroMill® QD

High-security groove milling and parting off

Instructions

Easy handling with quick-release key

Quick and easy insert changes save time. The quick-release key ensures the same clamping force over prolonged use thanks to no wear on the insert seat.
Separate key available as an accessory for applications where the standard key cannot be used due to limited space, e.g. in gang milling.

Torque tool

Use the torque tool for correct mounting.

Driving collar mounting

Driving collars for extra stability minimize vibration and ensure excellent quality grooves when using cutters with a high diameter-width ratio.
Smaller driving collars can be used together with face mill adapters in large machining centers as a cost-efficient solution.

Silent Tools™

Dampened Silent Tools™ adapters minimize vibration and provide stability when machining with long overhangs.

Application tips

Maximum chip thickness

Maximum chip thickness

For parting and grooving milling applications, the most important factor to keep in mind is the maximum chip thickness (hex). Calculating cutting parameters according to the right hex value will ensure good cutting action with better surface quality and tool life.

Parting off

Parting off

Parting off is often one of the last operations before the completion of the component, security is therefore of major importance. If the tool breaks during the parting, it generally scraps the component, but it may also lead to a longer machine stoppage.

    Cutting data

    Metric

    Geometry Grade vc m/min ​ ​ ​ ​ ​
    Diameter <160 mm
    ISO P ISO M ISO K ISO N ISO S ISO H
    PL ​ 1030 220 (270–180) 220 (290–180)        
    4340 220 (270–180)          
    PM ​ ​ 1030 220 (270–180)          
    ​1130 ​220 (270–180) ​ ​ ​ ​ ​
    4340 220 (270–180)          
    ​PH ​ ​1130 ​220 (270–180) ​ ​ ​ ​ ​
    ​4340 ​220 (270–180) ​ ​ ​ ​ ​
    ML ​ 1040 180 (200–160) 180 (225–160)     30 (60–20)  
    2040   230 (275–210)        
    MM ​ 1040 180 (200–160) 180 (225–160)     30 (60–20)  
    2040   230 (275–210)        
    KL ​ 1020     190 (205–165)      
    3330     220 (250–190)      
    ​KM ​ ​1020 ​ ​ ​190 (205–165) ​ ​ ​
    ​3330 ​ ​ ​220 (250–190) ​ ​ ​
    SL ​ 1030   220 (270–180)     35 (80–30) 30 (45–25)
    S30T   240 (310–220)     40 (80–30) 40 (45–30)
    SM ​ ​ 1030   220 (270–180)     35 (80–30) 30 (45–25)
    S30T   240 (310–220)     40 (80–30) 40 (45–30)
    S40T   210 (275–190)     35 (80–30)  
    NL H13A     ​ 985 (1030–945)    

     

    Geometry Grade vc m/min ​ ​ ​
    Diameter >160 mm ​ ​ ​
    ISO P ISO M ISO K ISO N
    PL 1030 180 (270–180) 180 (290–180)    
    ​ 4340 180 (270–180)      
    PM 1030 180 (270–180)      
    ​ ​1130 ​180 (270–180) ​ ​ ​
    ​ 4340 180 (270–180)      
    ​PH ​1130 ​180 (270–180) ​ ​ ​
    ​ ​4340 ​180 (270–180) ​ ​ ​
    ML 1040 160 (200–160) 160 (225–160)    
    ​ 2040   210 (275–210)    
    MM 1040 160 (200–160) 160 (225–160)    
    ​ 2040   210 (275–210)    
    KL 1020     160 (205–165)  
    ​ 3330     190 (250–190)  
    ​KM ​1020 ​ ​ ​160 (205–165) ​
    ​ ​3330 ​ ​ ​190 (250–190) ​
    SL 1030   200 (270–180)    
    ​ S30T   210 (310–220)    
    SM 1030   200 (270–180)    
    ​ S30T   210 (310–220)    
    ​ S40T   190 (275–190)    
    NL H13A     ​ 985 (1030–945)

     

    Note:
    For Inconel, recommended vc = 25 (45–20) m/min
    For titanium, recommended vc = 35 (80–30) m/min  

    Inch

    Geometry Grade vc ft/min ​ ​ ​ ​ ​
    Diameter <6 inches
    ISO P ISO M ISO K ISO N ISO S ISO H
    PL 1030 720 (880–590) 220 (290–180)        
    ​ 4340 720 (880–590)          
    PM 1030 720 (880–590)          
    ​ ​ ​ ​ ​ ​ ​ ​
    ​ 4340 720 (880–590)          
    ​PH ​1130 ​720 (880–590) ​ ​ ​ ​ ​
    ​ ​4340 ​720 (880–590) ​ ​ ​ ​ ​
    ML 1040 590 (655–525) 590 (655–525)     95 (195–65)  
    ​ 2040   590 (655–525)        
    MM 1040 590 (655–525) 590 (655–525)     95 (195–65)  
    ​ 2040   755 (900–685)        
    KL 1020     620 (670–540)      
    ​ 3330     720 (885–590)      
    ​KM ​ ​ ​ ​620 (670–540) ​ ​ ​
    ​ ​ ​ ​ ​720 (820–620) ​ ​ ​
    SL 1030   720 (885–590)     115 (260–65) 95 (145–80)
    ​ S30T   785 (1015–720)     130 (260–65) 130 (145–95)
    SM 1030   720 (885–590)     115 (260–65) 95 (145–80)
    ​ S30T   785 (1015–720)     130 (260–65) 130 (145–95)
    ​ S40T   685 (900–620)     115 (260–65)  
    NL H13A     ​ 3230 (3380–3100)    

     

    Geometry Grade vc ft/min ​ ​ ​
    Diameter >6 inches ​ ​ ​
    ISO P ISO M ISO K ISO N
    PL 1030 590 (885–590) 590 (950–590)    
    ​ 4340 590 (885–590)      
    PM 1030 590 (885–590)      
    ​ ​1130 ​590 (885–590) ​ ​ ​
    ​ 4340 590 (885–590)      
    ​PH ​1130 ​590 (885–590) ​ ​ ​
    ​ ​4340 ​590 (885–590) ​ ​ ​
    ML 1040 525 (655–525) 525 (735–525)    
    ​ 2040   685 (900–685)    
    MM 1040 525 (655–525) 525 (735–525)    
    ​ 2040   685 (900–685)    
    KL 1020     520 (670–540)  
    ​ 3330     620 (820–620)  
    ​KM ​ ​ ​ ​520 (670–540) ​
    ​ ​ ​ ​ ​620 (820–620) ​
    SL 1030   655 (885–590)    
    ​ S30T   685 (1015–720)    
    SM 1030   655 (885–590)    
    ​ S30T   685 (1015–720    
    ​ S40T   620 (900–620)    
    NL H13A     ​ 3230 (3380–3100)

     

    Note: 
    For Inconel, recommended vc = 80 (145–65) ft/min  
    For titanium, recommended vc = 115 (260–100) ft/min

     

    Recommendations

    Torque

     

    ​Coupling size ​Torque, Nm (ft/lbs)
    X10 6.4 (4.7)
    ​X22/Y25 3.9 (2.9)
    ​X32/Y31 ​6.4 (4.7)
    ​X40* ​70 (51.6)

     

    * Note: Not countersunk screws.

    Coolant pressure

    Higher internal coolant pressure improves chip evacuation.

     

     

    ​Seat size ​​Maximum coolant pressure, bar (PSI)
    E, F 50 (725)
    ​G, H, J, K 70 (1,015)

     


    Maximum chip thickness – hex 

    Metric 




    ​Geometry


    Grade ​    		            
    h    ex​
    ISO P ISO M ISO K ISO N ISO S ISO H

    ​PL ​    		 1030 0.05 (0.02–0.08) 0.05 (0.02–0.08)
    4340 0.05 (0.02–0.08)


    ​PM     ​ ​    		 ​1030 ​0.11 (0.07–0.15) ​ ​ ​ ​ ​
    ​Seat size
    E, F, G, H, J
    ​1130 ​0.11 (0.07–0.15) ​ ​ ​ ​ ​
    ​4340 ​0.11 (0.07–0.15) ​ ​ ​ ​ ​


    ​PM     ​ ​    		 ​1030 ​0.10 (0.07–0.10) ​ ​ ​ ​ ​ ​

    Seat size K
    ​1130 ​0.10 (0.07–0.10) ​ ​ ​ ​ ​
    ​4340 ​0.10 (0.07–0.10) ​ ​ ​ ​ ​

    ​PH     ​    		 ​1130 ​0.11 (0.04–0.13) ​ ​ ​ ​ ​ ​Seat size
    E, F, G, H, J
    ​4340 ​0.11 (0.04–0.13) ​ ​ ​ ​ ​

    ​PH     ​    		 ​1130 ​0.10 (0.04–0.10) ​ ​ ​ ​ ​
    ​Seat size K
    ​4340 ​0.10 (0.04–0.10) ​ ​ ​ ​ ​

    ​ML     ​    		 ​1040 ​0.04 (0.01–0.07) ​0.04 (0.01–0.07) ​ ​ ​0.11 (0.07–0.15) ​ ​ ​
    ​2040 ​ ​0.04 (0.01–0.07) ​ ​ ​ ​

    ​MM     ​    		 ​1040 ​0.08 (0.04–0.12) ​0.08 (0.04–0.12) ​ ​ ​0.11 (0.07–0.15) ​ ​ ​
    ​2040 ​ ​0.08 (0.04–0.12) ​ ​ ​ ​

    ​KL     ​    		 ​1020 ​ ​ ​0.11 (0.02–0.15) ​ ​ ​ ​
    ​3330 ​ ​ ​0.11 (0.02–0.15) ​ ​ ​

    ​KM     ​    		 ​1020 ​ ​ ​0.11 (0.02–0.15) ​ ​ ​ ​
    ​3330 ​ ​ ​0.11 (0.02–0.15) ​ ​ ​

    ​SL     ​    		 ​1030 ​ ​0.04 (0.01–0.07) ​ ​ ​0.04 (0.01–0.07) ​0.04 (0.01–0.07) ​ ​ ​ ​ ​
    ​S30T ​ ​0.04 (0.01–0.07) ​ ​ ​0.04 (0.01–0.07) ​0.04 (0.01–0.07)


    ​SM     ​ ​    		 ​1030 ​ ​0.08 (0.04–0.12) ​ ​ ​0.08 (0.04–0.12) ​0.08 (0.04–0.12)
    ​S30T ​ ​0.08 (0.04–0.12) ​ ​ ​0.08 (0.04–0.12) ​0.08 (0.04–0.12)
    ​S40T ​ ​0.08 (0.04–0.12) ​ ​ ​0.08 (0.04–0.12) ​
    ​NL ​H13A ​ ​ ​ ​0.13 (0.01–0.25) ​

     

    Inch

     




    ​Geometry


    Grade ​    		            
    h    ex​
    ISO P ISO M ISO K ISO N ISO S ISO H ​ ​

    ​PL ​    		 1030 0.002 (0.001–0.003) 0.002 (0.001–0.003)
    4340 0.002 (0.001–0.003)


    ​PM ​ ​    		 ​1030 0.004 (0.003–0.003) ​ ​ ​ ​ ​
    ​Seat size
    E, F, G, H, J
    ​1130 0.004 (0.003–0.003)​ ​ ​ ​ ​ ​
    ​4340 ​0.004 (0.003–0.003) ​ ​ ​ ​ ​


    ​PM ​ ​    		 ​1030 0.004 (0.003–0.003) ​ ​ ​ ​ ​ ​

    Seat size K
    ​1130 0.004 (0.003–0.003) ​ ​ ​ ​ ​
    ​4340 ​0.004 (0.003–0.003) ​ ​ ​ ​ ​

    ​PH ​    		 ​1130 0.004 (0.002–0.003) ​ ​ ​ ​ ​ ​Seat size
    E, F, G, H, J
    ​4340 ​0.004 (0.002–0.003) ​ ​ ​ ​ ​

    ​PH ​    		 ​1130 ​0.004 (0.002–0.003) ​ ​ ​ ​ ​
    ​Seat size K
    ​4340 ​0.004 (0.002–0.003) ​ ​ ​ ​ ​

    ​ML ​    		 ​1040 0.002 (0.001–0.003) ​0.002 (0.001–0.003) ​ ​ ​0.002 (0.001–0.003) ​ ​ ​
    ​2040 ​ 0.002 (0.001–0.003) ​ ​ ​ ​

    ​MM ​    		 ​1040 0.003 (0.002–0.005)​ 0.003 (0.002–0.005) ​ ​ 0.003 (0.002–0.005) ​ ​ ​
    ​2040 ​ 0.002 (0.002–0.005)​ ​ ​ ​ ​

    ​KL ​    		 ​1020 ​ ​ 0.004 (0.001–0.006) ​ ​ ​ ​
    ​3330 ​ ​ 0.004 (0.001–0.006) ​ ​ ​

    ​KM ​    		 ​1020 ​ ​ 0.004 (0.001–0.006) ​ ​ ​ ​
    ​3330 ​ ​ 0.004 (0.001–0.006) ​ ​ ​

    ​SL ​    		 ​1030 ​ ​0.002 (0.001–0.003) ​ ​ ​0.002 (0.001–0.003) ​0.002 (0.001–0.003) ​ ​ ​ ​ ​
    ​S30T ​ ​0.002 (0.001–0.003) ​ ​ ​0.002 (0.001–0.003) ​0.002 (0.001–0.003)


    ​SM ​ ​    		 ​1030 ​ ​0.003 (0.002–0.005) ​ ​ ​0.003 (0.002–0.005) ​0.003 (0.002–0.005)
    ​S30T ​ ​0.003 (0.002–0.005) ​ ​ ​0.003 (0.002–0.005) ​0.003 (0.002–0.005)
    ​S40T ​ ​0.003 (0.002–0.005) ​ ​ ​0.003 (0.002–0.005) ​​
    ​NL ​H13A ​ ​ ​ 0.005 (0.001–0.01) ​

     

     
    Note: Maximum hex for seat size K is limited because of cutter body.

    Recommendation for diameter 63 mm (2.5 inch) cutters

    • PL is the First choice geometry in ISO P applications

    • Use maximum 70% of the recommended hex value when using the PM geometry

    • PH geometry is not recommended

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