NTH COLLET CHUCKS

NTH COLLET CHUCKS

AIR/HYDRAULIC POWER ROTARY POWER CHUCK

AIR/HYDRAULIC POWER ROTARY POWER CHUCK

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Products in detail

Brand:NTH

Self-Contained Power Chuck. No need for an extra rotary actuator.

Easy mounting, collet and jaws can be changed rapidly to set the gripping system.

Aluminum alloy chuck body, light-weighted, good heat dispensation.
Allows non-stop operation when loading/unloading parts.

Widely applied to convert manual lathes into powered ones. Refer to the following figure.

Don't spray the cutting fluid to the collet directly.

JA7-44/JH7-44 type collet adopts the 2 times force design and the workpieces can be gripped by extanding.

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Introduction

It used to be complex for users to convert a manual lathe into one with power workholding device since setting up a hydraulic system is quite troublesome.
NTH Rotary Power Chuck is specially designed to help users to set up a power chuck in a low cost and easy way. With its built-in rotary actuator, the Rotary Power Chuck can be installed and start working in less than 20 minutes.
Rotary Power Chuck comes with both air chuck and hydraulic chuck models that range from small sizes to large ones, giving users more options to choose from. Rotary Power Chuck now is widely applied to convert manual lathes to semi-auto ones with power workholding system, or is applied to build special purpose machines.

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Collet Style Power Chuck with inter extand and outside gripping(JA7-44,JH7-44)

Jaw Style Power Chuck-Air(JA5-25,JA7-40,JA7-70)

Model JA7-44 JH7-44 JA5-25 JA7-40 JA7-70
A 1927.56〞) 1927.56〞) 1355.31〞) 1927.56〞) 1927.56〞)
B 1556.10〞) 1556.10〞) 1003.94〞) 1556.10〞) 1556.10〞)
C 44(1.73〞) 44(1.73〞) 250.98〞) 451.77〞) 682.67〞)
D 50.20〞) 50.20〞) 4.00.16〞) 4.50.18〞) 5.00.20〞)
E 1355.31〞) 1355.31〞) 1024.02〞) 1264.96〞) 1415.55〞)
F 451.77〞) 652.56〞) 1054.13〞)
G 1074.21〞) 1074.21〞) 682.68〞) 943.70〞) 1365.35〞)
H 2128.35〞) 2128.35〞) 1706.69〞) 2128.35〞) 26510.43〞)
I(P.C.D) 1726.77〞) 1726.77〞) 1154.53〞) 1726.77〞) 1726.77〞)
J 3H-M10(Rear) 3H-M10( Rear) 3H-M8( Rear) 3H-M10( Rear) 3H-M10(Rear)
Working collet/Jaw

C-44Collet

C-44I Expanding parts

C-44 Collet

C-44I Expanding parts

C-25 Type Jaw

40 Type Jaw

C-70 Type Jaw

Power source Air hydraulic Air Air Air

Working Pressure

2-20kg/cm²

(28-286psi)

2-20kg/cm²

(28-286psi)

2-9kg/cm²

(28-130psi)

2-9kg/cm²

(28-130psi)

2-9kg/cm²

(28-130psi)

Max RPM

1600 1600 1800 1600 1400

Max Clamping dia.

Thru/no thru

44mm

1.73〞)

44mm

1.73〞)

25mm/32mm

0.98〞/1.26〞)

45mm/50mm

(1.77〞/1.97〞)

68mm/90mm

(2.68〞/3.54〞)

Piston Area

117cm²(18in²) 117cm²(18in²) 115cm²(17.8in²) 182cm²(28.2in²) 329cm²(50.8in²)
Clamping Force 5400kgf@16kg/cm²  (12020lbf@229psi) 10800kgf@16kg/cm²  (24040lbf@229psi) 2254kgf@7kg/cm²  (4958lbf@100psi) 3567kgf@7kg/cm²  (7847lbf@100psi) 6429kgf@7kg/cm²  (14143lbf@100psi)
 N.W. 17kgs(37.4lbs) 17kgs(37.4lbs) 7.5kgs(16.5lbs) 15.0kgs(33.0lbs) 22.5kgs(49.5lbs)

Jaw Style Power Chuck-Hydraulic

Model JH5-25 JH7-40 JH7-70 JH9-90 JH9-120
A 1355.31〞) 1927.56〞) 1927.56〞) 2309.06〞) 2299.02〞)
B 1003.94〞) 1556.10〞) 1556.10〞) 1907.48〞) 1907.48〞)
C 250.98〞) 45(1.77〞) 682.68〞) 883.52〞) 1184.65〞)
D 4.00.16〞) 4.50.18〞) 5.00.20〞) 5.50.22〞) 5.50.22〞)
E 1024.02〞) 1264.96〞) 1415.55〞) 1505.91〞) 1576.18〞)
F 451.77〞) 652.56〞) 1054.13〞) 1054.13〞) 1405.51〞)
G 682.68〞) 943.70〞) 1365.35〞) 1365.35〞) 1686.61〞)
H 1385.43〞) 1907.48〞) 2118.31〞) 2329.13〞) 27510.83〞)
I(P.C.D) 1154.53〞) 1726.77〞) 1726.77〞) 2108.27〞) 2108.27〞)
J 3H-M8(Rear) 3H-M10( Rear) 3H-M10(Rear) 3H-M12(Rear) 3H-M12( Rear)

Working Jaw

C-25 Type Jaw

C-40 Type Jaw

C-70 Type Jaw

C-90 Type Jaw

C-120 Type Jaw

Power source

Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic

Working Pressure

10-25kg/cm²

(143-357psi)

10-20kg/cm²

(143-286psi)

10-20kg/cm²

(143-286psi)

10-15kg/cm²

(143-214psi)

10-15kg/cm²

(143-214psi)

Max RPM

1800 1600 1400 1100 900

Max Clamping dia.

Thru/no thru

25mm/32mm 0.98〞/1.26〞) 45mm/50mm 1.77〞/1.97〞) 68mm/90mm 2.68〞/3.54〞) 88mm/88mm 3.52〞/3.52〞) 118mm/118mm 4.65〞/4.65〞)

Piston Area

56cm²(8.68in²) 85cm²(13.1in²) 117cm²(18.1in²) 133cm²(20.7in²) 183cm²(28.4in²)

Clamping Force

2508kgf@16kg/cm²  (5519lbf@228psi) 4032kgf@16kg/cm²  (8870lbf@228psi) 5197kgf@16kg/cm²  (11433lbf@228psi) 5913kgf@16kg/cm²  (13009lbf@228psi) 6148kgf@12kg/cm²  (13528lbf@171psi)
 N . W 6.0kgs(13.2lbs) 13.0kgs(28.6lbs) 18.0kgs(39.6lbs) 24.0kgs(52.8lbs) 30.0kgs(66.0lbs)



SPECIAL JAWS FOR HIGH SPEED ROTARY COLLET CHUCK/STATIONARY COLLET CHUCK
Special jaws Model and the matching chucks:

Model A B C D Mounted Screw

Application collet chuck

C-25 45mm  (1.77〞) 47.5mm  (1.87〞) 7mm (0.28〞) 5.0mm (0.20〞) M5*10 JA5-25/JH-25
C-40 65mm  (2.56〞) 67.5mm  (2.66〞) 9mm  (0.35〞) 6.0mm  (0.25〞) M6*12

JA7-40/JH7-40

JAS-40/AHS-40/CAF-40

C-70 105mm  (4.13〞) 107.5mm  (4.23〞) 9mm  (0.35〞) 6.0mm  (0.24〞) M6*12

JA7-70/JH7-70/JH9-90

JHS-70/CAF-70

C-120 143mm  (5.51〞) 143.5mm (5.65〞) 9mm  (0.35〞) 6.0mm  (0.24〞) M6*14 JA9-120

Special Jaws type according to the workpieces:

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44 TYPE EXPANDING AND CLAMPING DOUBLE FUNCTION ROTARY COLLET CHUCK

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JA7-44/JH7-44 can work with C-44 collet to gripping O.D purpose; also can be switching to I.D clamping as a mandrel by install the expanding kits. The expanding kit including a push mandrel, a pin, and a C-44I expanding collet, which C-44I collet is make by order.


Subject to technology changes without prior information
 Non-standard requirements can be made

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