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  • Overrunning Clutch（NCC）
Overrunning Clutch（NCC）
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Overrunning Clutch（NCC）

The working principle of the NCC type (toothed clutch) : After the air passage is connected, the piston pushes the driving gear disc until it compresses the driven gear disc and the end face teeth of the two gear discs are engaged. The clutch engages and transmits power through the driven gear disc to cut off the air passage. Then, the driving gear disc separates from the driven gear disc under the restoring force of the reset spring, and the end face teeth disengage, causing the clutch to disengage.
  • Commodity name： Overrunning Clutch（NCC）

Product Description

Characteristics

◆ Small in size, with end face tooth connection (capable of bidirectional torque transmission), it can transmit a large torque
◆ No slip and no torque loss
◆ Instant connection or separation, with sensitive and quick actions
◆ Integrated structure, with high shaft alignment of the tooth contract
◆ It can be connected at low speed but operate at high speed
◆ Split-type products can be provided
Response Time

Model Air Pressure
(MPa)		 3-way valve 4-way valve Air Pressure
(MPa)		 3-way valve 4-way valve Air Pressure
(MPa)		 3-way valve 4-way valve
t1 t3 t1 t3 t1 t3 t1 t3 t1 t3 t1 t3
NCC-10 0.3 22 16 - - 0.4 14 15 - - 0.5 15 19 - -
NCC-20 0.3 37 19 22 15 0.4 38 22 19 15 0.5 34 25 17 15
NCC-40 0.3 55 16 20 15 0.4 46 19 19 15 0.5 41 22 17 15
NCC-60 0.3 65 15 23 14 0.4 53 16 21 14 0.5 47 21 18 14
NCC-80 0.3 83 14 25 13 0.4 68 15 22 13 0.5 59 20 19 13
NCC-120 0.3 110 13 27 12 0.4 95 14 24 12 0.5 83 19 20 12
NCC-200 0.3 123 13 28 11 0.4 105 15 26 11 0.5 92 18 22 11
NCC-300 0.3 149 13 29 11 0.4 128 15 28 11 0.5 113 18 25 11
NCC-400 0.3 169 12 33 11 0.4 148 14 35 11 0.5 126 17 32 11
NCC-800 0.3 187 11 44 10 0.4 167 13 42 10 0.5 145 14 39 10

 

Specification

Model Torque(N·m) Main dimensions(mm)
0.6MPa A B C(f7) D E F L O P T(JS9) U d(H7) Z G H J
NCC-10 100 85 75 62 85 13 10 68 1/8 4×M6 6 22.8 20 M6 1 0.5 6
NCC-20 200 110 90 75 115 18 10 80 1/8 4×M6 8 28.3 25 M6 0 0.5 6
NCC-40 400 125 100 80 135 18 10 95 1/8 4×M8 10 33.3 30 M6 1 1 7
NCC-60 600 137 115 90 155 20 12 105 1/4 6×M10 12 43.3 40 M8 1 1 8.5
NCC-80 800 155 130 110 170 23 12 115 1/4 6×M10 16 54.3 50 M8 1 1 8.5
NCC-120 1200 178 150 130 195 23 13 125 1/4 6×M12 18 69.4 65 M10 1 1 8.5
NCC-200 2000 212 180 155 232 30 15 145 3/8 6×M16 22 85.5 80 M10 1 1 10
NCC-300 3000 242 205 180 265 35 16 185 3/8 8×M16 25 100.5 95 M12 2 2 17
NCC-400 4000 280 240 210 298 40 20 190 1/2 8×M18 28 116.5 110 M12 4 5 15
NCC-800 8000 386 320 270 398 50 30 252 1/2 12×M20 32 126.5 120 M12 3 3 18
NCC-1200 12000 NCC-1200, NCC-1600 larger models or other non-standard products, please contact our company
NCC-1600 16000
Larger models /
 

Technical

Model Volume of air chamber（cm³） number of gear teeth Allowable connection speed(r/min) Rotational speed limit(r/min) Moment of inertia J(kg·m²)
J? J?
NCC-10 4.39 180 100 2300 1.25×10?? 3.89×10??
NCC-20 13.60 180 80 2000 2.45×10?? 7.78×10??
NCC-40 20.10 214 50 1500 3.82×10?? 132×10??
NCC-60 28.50 240 50 1000 5.23×10?? 2.69×10?³
NCC-80 31.60 240 50 1000 8.83×10?? 3.34×10?³
NCC-120 38.30 270 30 1000 2.03×10?? 8.02×10?³
NCC-200 66.40 270 30 700 3.81×10?? 1.76×10?²
NCC-300 87.70 300 20 700 7.75×10?? 2.87×10?²
NCC-400 131.80 300 20 700 9.22×10?? 4.55×10?²
NCC-800 242.70 300 20 500 4.51×10?³ 8.77×10?²

 

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Overrunning Clutch（NCC）

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