




Overrunning Clutch(NNCM)
The working principle of the NNCM type clutch: After ventilation, the driving ring pushes the inner gear disc, causing multiple sets of friction plates and friction steel plates to press against each other, and the clutch engages. After ventilation is cut off, under the action of the separation disc spring, multiple sets of friction plates separate from the friction steel plates, and the clutch disengages
- Commodity name: Overrunning Clutch(NNCM)
Product Description
Characteristics
◆ Multiple sets of copper-based friction plate connection units, with large torque transmission capacity
◆ The internal and external bidirectional disc springs ensure rapid and thorough separation
◆ Small no-load torque
◆ It can be connected at high speed as well as operate at high speed
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 | ||||
NNCM-50 | 0.3 | 68 | 19 | 22 | 18 | 0.4 | 55 | 21 | 20 | 18 | 0.5 | 52 | 25 | 19 | 18 |
NNCM-100 | 0.3 | 95 | 17 | 26 | 15 | 0.4 | 83 | 17 | 24 | 15 | 0.5 | 78 | 21 | 23 | 15 |
Specification
Model | Torque(N·m) | Main dimensions(mm) | |||||||||||||||||
0.6MPa | A(H7) | B | C | D | E(H7) | F | G | H | J | K | M | N | O | Q | R | T (J S9) | U | X | |
NNCM-50 | 500 | 35 | 120 | 130 | 100 | 80 | / | 35 | 137 | 10 | 10 | / | / | PT1/8 | 6 | 20 | 10 | 38.3 | 6-M8 |
NNCM-100 | 1000 | 50 | 158 | 145 | 130 | 110 | 60 | 56 | 172 | 10 | 13 | 4 | 12 | PT1/8 | 5 | 25 | 14 | 53.8 | 8-M10 |
Technical
Model | Volume of air chamber(cm³) | Allowable connection speed(r/min) | Rotational speed limit(r/min) | Moment of inertia J(kg·m²) | |
J? | J? | ||||
NNCM-50 | 33.1 | 2500 | 2500 | 4.89×10-3 | 1.42×10-3 |
NNCM-100 | 68.25 | 1500 | 1500 | 9.78×10-3 | 4.25×10-3 |
Key words:
Overrunning Clutch(NNCM)
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