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Model: Jkongmotor 42mm JK42BL 12V 24V 36V Round Brushless Dc Motor with Planetary Gearbox 42x42mm
A planetary gearbox is a gearbox with the input shaft and the output shaft aligned. A planetary gearbox is used to transfer the largest torque in the most compact form (known as torque density).
A planetary gear is a type of gear system comprised of spur gears. In planetary gearing (also known as epicyclic gearing), a center gear, called a sun gear, serves as the input and driver of the set. Three or more “driven” gears (referred to as planets) rotate around the sun gear.
General Specification of 42BL BLDC Motors:
| Specification | Unit | Model | |||
| JK42BL30 | JK42BL60 | JK42BL85 | JK42BL93 | ||
| Number Of Phase | Phase | 3 | |||
| Number Of Poles | Poles | 8 | |||
| Rated Voltage | VDC | 24 | 36 | 24 | 24 |
| Rated Speed | Rpm | 3500 | 4000 | 4000 | 6300 |
| Rated Torque | mN.m | 18 | 80 | 150 | 115 |
| Rated Power | W | 6.5 | 32 | 62 | 76 |
| Peak Torque | mN.m | 60 | 240 | 450 | 500 |
| Peak Current | Amps | 1.5 | 5 | 7.5 | 10 |
| Torque Constant | mN.m/A | 48.7 | 38.5 | 38.6 | 28.7 |
| Rotor Inertia | g.cm2 | 15.6 | 33 | 84 | 94 |
| Body Length | mm | 30 | 60 | 85 | 93 |
| Weight | Kg | 0.25 | 0.35 | 0.7 | 0.8 |
| Sensor | Honeywell | ||||
| Insulation Class | B | ||||
| Degree of Protection | IP30 | ||||
| Storage Temperature | -25～+70℃ | ||||
| Operating Temperature | -15～+50℃ | ||||
| Working Humidity | 85% RH or below (no condensation) | ||||
| Working Environment | Outdoor (no direct sunlight), no corrosive gas, no flammable gas, no oil mist, no dust | ||||
| Altitude | 1000 meters or less | ||||
42mm Geared BLDC Motor Electrical Specification:
| Planetary Gearbox Specifications: | ||||||
| Reduction ratio | Exact reduction ratio | Rated tolerance torque | Max momentary tolerance torque | Efficiency | L (mm) | Weight (g) |
| 1/3.7 1/5.2 | 1/3.71 1/5.18 | 1.0 N.m Max | 3.0 N.m | 90% | 31.5±0.5 | 244 |
| 1/14 1/19 1/27 | 1/13.73 1/19.20 1/26.85 | 4.0 N.m Max | 12 N.m | 0.81 | 42.1±0.5 | 314 |
| 1/51 1/71 1/100 1/139 | 1/50.89 1/71.16 1/99.51 1/139.14 | 8.0 N.m Max | 25 N.m | 73% | 52.5±0.5 | 433 |
| 1/181 1/218 1/253 1/305 1/354 1/426 1/495 1/596 | 1/180.96 1/218.12 1/253.03 1/304.99 1/353.80 1/426.46 1/494.71 1/596.31 | 10 N.m Max | 30 N.m | 0.66 | 62.9±0.5 | 519 |
| Input & output same rotation direction; Motor Max. input speed: <8000rpm; Operating temperature range: -15℃ ~ +80℃ | ||||||
Planetary Gearbox Electrical Specification:
| 42JXE100K | |
| Ring material | Metal / Powder metal |
| Bearing at output | Ball bearings |
| Max. Radial (12mm from flange) | 200N |
| Max. shaft axial load | 100N |
| Radial play of shaft (near to flange) | ≤0.06mm |
| Axial play of shaft | ≤0.3mm |
| Backlash at no-load | ≤2.5° |
| Shaft press fit force, max | 150N |
| Suitable Brushless DC Motor Shaft Pinion Specifications | ||
| Module | 0.6 | |
| No. of teeth | 11 | 17 |
| Pressure angle | 20° | |
| Hole diameter | Φ3.16 Φ3.98 Φ4.48 | |
| Reduction ratio | 1/5.18 1/19 1/27 1/71 1/100 1/139 1/253 1/305 1/354 1/426 1/495 1/596 | 1/3.71 1/14 1/51 1/181 1/218 |
Planetary Gearbox Drawing:
JK42BLS Round Brushless DC Geared Motor Dimensions: (Unit=mm)
Product Parameters:
Product Type: JK42BL Round Geared BLDC Motor with Planetary Gearbox
Size：42x42mm
Place of Origin：china
Minimum order quantity：10pcs
Material Science：stator, rotor, stainless steel shaft, copper wire, magnetic steel...
Feature summary: Low Inertia,Quick Feedback; High Torque,High Efficiency; Small Vibration,Low Noise
Packing：The sample is packed in carton,the batch with plastic pallet
Delivery time：Standard product: 7-10days
Customized product: 25-30days
Transaction mode：EXW, FOB, FCA, CIF, FAS, CFR, CPT, CIP, DAF, DEQ, DDU, DDP...
APPLICATION：Medical equipment: medical pumps, stirring instruments, peristaltic pumps, biopharmaceutical equipment. Industrial equipment: winding machines, printing machines, robots, grinding, cutting, drilling, automatic conveying systems, automatic positioning systems, level control systems, electric actuators, electric valves, vending machines.
Customized Design:
If this motor do not match with your request. Please feel free to contact with us,We can make customized shaft / winding / mounting flange / cable / connector / Encoder / Brake / Gearbox and others. We will works side-by-side with you and your team to design a motor that will fit the precise needs of your application. All Engineering and Support is done in-house.
Customized Shaft Types:
Matched Drivers:
Brushless DC Motor driver Model: JKBLD70 / JKBLD120 / JKBLD300
