Northfield Precision Air Chucks
Model: 425 (4")
Air chuck
Mounting plate for
OmniTurn spindle
|
- air tube assembly, rotary joint, hoses and manual valve
- one set of Al-1-4-3/4 aluminum top jaws
|
|
Material |
Body |
Class 80 ductile iron |
|
Master Jaws |
12L14 steel / Hardened |
|
Wedge |
12L14 steel / Hardened |
|
Air cylinder |
Aluminum and stainless steel, o-ring sealed |
|
Work jaws |
Located on hardened steel pins in master jaws ad secured
by socket head cap screws |
Weight |
7-1/2 to 8lbs. depending on jaws |
|
Max recommended RPM |
3000rpm |
|
Max. opening of jaws |
.250" |
|
Holding pressure |
variable to 650 lbs. per jaw |
|
Capacity |
OD holding |
.062" to 3.75" |
|
ID holding |
.5" to 3.75" |
Repeatability |
Concentricity |
.0001" TIR max |
|
End length |
.0001" TIR max |