Manufacturer of pneumatic rotary collet chucks for CNC lathes. High accuracy, fast clamping, automation-ready. Custom designs available Pneumatic Rotary Collet Chuck model that suits your requirements from the following parameters. ASMITA As a leading collet chuck manufacturer

Pneumatic Rotary Collet Chuck Dimensions
|
Model/Spec
|
Max. speed (rpm)
|
Piston stroke (mm)
|
Clamping torque (kg/cm²)
|
Working pressure (kg/cm²)
|
Max. chuck diameter (mm)
|
Net weight (kg)
|
|
JAB-15
|
4000
|
4
|
3
|
38
|
15
|
3.2
|
|
JAB-25
|
4000
|
4
|
3
|
38
|
25
|
9.5
|
|
JAB-40
|
4000
|
4
|
4.5
|
38
|
40
|
13.5
|
|
JAB-60
|
4000
|
4
|
7.8
|
38
|
60
|
20.35
|
Size Parameters
|
Model/Spec
|
A
|
B
|
C (H6)
|
D
|
E
|
F
|
G
|
H
|
J
|
|
JAB-15
|
100
|
84
|
70
|
40
|
82
|
85
|
71
|
30
|
4-M6
|
|
JAB-25
|
167
|
147
|
130
|
48
|
103
|
108
|
104
|
52
|
4-M8
|
|
JAB-40
|
187
|
168
|
150
|
50
|
118
|
122
|
133
|
72
|
4-M8
|
|
JAB-60
|
220
|
203
|
170
|
55
|
125
|
130
|
168
|
100
|
4-M10
|
★The above product data is for reference only, can be changed according to the needs of the workpiece, and can be customized according to the workpiece and processing requirements.
★ Product continuous improvement, don't hesitate to get in touch with us if there are any changes to this catalogue parameter. Subject to final confirmation parameters!
Product Overview
A Pneumatic Rotary Collet Chuck is an air-operated, rotating work holding device designed for fast, accurate, and repeatable clamping in CNC lathes, turning centers, and automation lines.
It delivers uniform 360° gripping, enabling high spindle speeds, reduced setup time, and consistent part quality—ideal for mass production.
Key Advantages
• Fast clamping/unclamping with compressed air
• High concentricity & repeat accuracy
• Rotary design for high-speed machining
• Interchangeable collets (ER / 5C / Traub / Special)
• Automation-ready (robots, gantries, bar feeders)
• Low maintenance, long service life
Working Principle
• Compressed air enters the chuck body
• Internal piston actuates the draw mechanism
• Collet closes uniformly on the job
• Air release opens the collet instantly
Result: reliable, repeatable clamping every cycle.
Technical Specifications
|
Parameter
|
Specification
|
|
Operation
|
Pneumatic (Rotary)
|
|
Air Pressure
|
4 – 7 bars
|
|
Clamping Type
|
External / Internal
|
|
Collet Compatibility
|
5C, Traub,YB, Special
|
|
Repeat Accuracy
|
≤ 0.01 mm
|
|
Spindle Speed
|
Suitable for high RPM
|
|
Mounting
|
A2 / A-type / Custom flange
|
|
Body Material
|
Hardened Alloy Steel
|
|
Sealing
|
High-quality pneumatic seals
|
Specifications can be customized as per machine and job.
Construction Details
• Chuck Body: Hardened & ground alloy steel
• Piston & Draw Tube: Precision machined
• Collet: Spring steel / special as required
• Bearings & Seals: High-performance, long life
• Finish: Ground mating surfaces for accuracy
Applications
• CNC Turning Centers & Lathes
• Automatic & Transfer Lines
• Bar-fed machining
• Automotive & hydraulic components
• Electronics, fittings, fasteners, shafts
Available Options
• External / Internal gripping
• Step & special profile collets
• Manual override option
• Custom mounting flange
• Integration with bar feeder / robot
Why Choose Our Pneumatic Rotary Collet Chuck?
✔ Consistent quality in high-volume production
✔ Faster cycle times = higher output
✔ Reduced operator dependency
✔ Designed for Indian & export markets
✔ Custom-engineered to your machine