Mega D
Heavy Duty End Milling

Mega D Chuck achieves simultaneous fit on the nut as well as the taper shank to obtain rigidity close to an integral body. This superior rigidity assures heavy cutting without chatter.

Mega D









Powerful, Heavy Duty End Milling

  • For heavy duty end milling
     
  • Complete contact of nut and body
     
  • High rigidity and high speed holder
     


  • Close to an integral holder
     
  • Coolant bores in accordance to DIN69871/Form B
     
  • Available in BIG-PLUS® (CAT/BT), HSK and BIG CAPTO




A Variety of Mega D Chucks




BIG-PLUSĀ® CAT Shank
BCV40/50
Max 30,000 RPM


Clamping Range Dia.: .625"-1.500"
Gauge Length: 3.59"-6.09"




BIG-PLUSĀ® CAT Shank
BCV40H/50H
Max 30,000 RPM


Clamping Range Dia.: .625"-1.500"
Gauge Length: 3.59"-6.09"




BIG CAPTO C6, C8


Clamping Range Dia.: .625"-1.250"
Gauge Length: 3.09"-3.59"




HSK Form A
A63, A100
Max 28,000 RPM


Clamping Range Dia.: .625"-1.250"
Gauge Length: 3.59"-5.09"



Powerful Clamping Force


Deflection test to compare with other manufacturer’s milling chuck proves that Mega Double Power Chuck has achieved 1.4 times higher rigidity.

 

Achieves High Rigidity as an integral Body



In the case of a conventional milling chuck, the inner taper of the nut contacts only with the body when tightened. However, there is still a gap between the nut and body. The large fit diameter of the nut provides higher rigidity as if the chuck and nut were an integral body. This superior rigidity assures heavy cutting without chatter.


 

Original Design of Notch-free Nut Prevents Vibration and Noise
 

Vibration at high speeds is eliminated by a notch-free nut which offers superior balance and concentricity. This ideal nut design not only eliminates whistling noise and coolant splattering, but also assures increased strength of the nut itself.
 

 

Easy and Firm Clamping with the Mega Wrench


The Mega Wrench has a uniquely designed one way clutch
system with a roller bearing and ratchet function and is capable of safely and evenly applying force on the entire nut periphery.

 

Plug Screw for flange through coolant

 

This Plug Screw A (option) prevents coolant leakage through retention knobs.

Bores on Form B are sealed with Plug Screw B.

  • Remove Plug Screws B (2 pcs.) from end face of flange.
  • Failure to use the Plug Screw "A" or other sealing method may result in coolant contamination of the spindle and lead to premature failure or accidents.
     

Plug Screw for flange through coolant



 

Straight Collets:
 

Mega D: C Collet


Clamping Range Inch: ø.250" to ø1.000",
increments of 1/16"
Clamping Range Metric: ø6mm to ø25mm

Mega D: PJC Collet


Clamping Range Inch: ø.250" to ø1.000",
increments of 1/8"
Clamping Range Metric: ø3mm to ø25mm

Mega D: PSC Collet


Clamping Range Inch: ø.250" to ø1.000",
increments of 1/8"
Clamping Range Metric: ø3mm to ø25mm

 

Effective Coolant Supply for Each Application
 


 

  • For improved surface finish
  • Extended tool life
  • Smoother chip evacuation
  • Cooling & lubricating of tools