B1112A4 Autoclavable Cannulated Slotted Brushless DC Gearmotor
Large Bone Surgical gearmotor - Drill/Reamer (B1112A4)
This size 11 brushless DC slotted mini motor is optimized for large bone drill applications; a cannulated shaft, motor torque and speed make this an ideal solution for powered surgical hand tools that are used for joint replacement surgeries of the knee, hip and shoulder. Portescap mini motors for surgical power applications are designed for high reliability in autoclave environments.
Product Highlights
- Designed for autoclave applications requiring up to 1000 autoclave cycles
- Optimized for use in surgical powered devices
- High torque for increased surgeon control and device power
- Cannulated miniature gear motor allows passage of pins through the motor for pin-driving, and wire-driving / K-wire applications
- Lightweight and low vibration for increased surgeon tactile feel
- High efficiency to optimize thermal performance at high speeds
- Small size allowing smaller surgical hand tool designs and improved ergonomics
- Withstands high current draw
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Customization Available
- Coil modifications - resistance and inductance
- Connectors
- Custom shafts - flats, knurling, diameter, length
- Dust protection sealing of cables output
- Mechanical integration upon request (housing, front & rear flange, shaft)
- Without hall sensors
| Part Number | B1112A4001 | B1112A4000 |
|---|---|---|
| Motor Diameter (in) | 1.1 | 1.1 |
| Motor Diameter (mm) | 27.94 | 27.94 |
| Standards Met | RoHS Compliant | RoHS Compliant |
| Axial Static Force w/o Shaft Support, Max (lbs) | 12.44 | 19.17 |
| Axial Static Force w/o Shaft Support, Max (N) | 55 | 85.27 |
| Back EMF Constant (V/1000 rpm) | 9.12 | 14.992 |
| Continuous Mechanical Power, Max (@25°C) (W) | 83.6 | 85.2 |
| Electrical Time Constant (ms) | 0.404 | 0.48 |
| Housing Material | Stainless Steel | Stainless Steel |
| Hall Sensor Electrical Phasing (electrical °) | 60 | 60 |
| Inductance - Phase to Phase (mH) | 0.023 | 0.057 |
| Line to Line Resistance (Ohm) | 0.057 | 0.119 |
| Mechanical Time Constant (ms) | 2.46 | 1.79 |
| Motor Constant (mNm/W½) | 295.5 | 345 |
| Motor Constant (oz-in/W½) | 41.8 | 48.7 |
| Motor Regulation (10³/Nms) | 0.011 | 8.45 |
| No-Load Current, Typical (mA) | 1487 | 1090 |
| No-Load Speed (rpm) | 1053 | 938 |
| Nominal Voltage (V) | 9.6 | 14.4 |
| Optimization Direction | Bidirectional | Bidirectional |
| Thermal Time Constant (s) | 900 | 900 |
| Torque Constant (mNm/A) | 70.6 | 118.7 |
| Torque Constant (oz-in/A) | 10 | 16.81 |
| Weight (g) | 350 | 354 |
| Weight (oz) | 12.4 | 12.49 |
| Winding Temperature, Max (°C) | 155 | 155 |
| Winding Temperature, Max (°F) | 311 | 311 |
| Ambient Temperature (°C) | 155 | 155 |
| Ambient Temperature (°F) | 311 | 311 |
| Autoclave Cycles | 1000 | 1000 |
| Continuous Stall Current (A) | 13.5 | 9.21 |
| Continuous Stall Torque (mNm) | 815 | 937.1 |
| Continuous Stall Torque (oz-in) | 115.5 | 132.7 |
| Peak Torque (mNm) | 11883 | 14231 |
| Peak Torque (oz-in) | 1683 | 2015 |
| Radial Static Force w/o Shaft Support, Max (lbs) | 22.77 | 17.5 |
| Radial Static Force w/o Shaft Support, Max (N) | 100 | 77.8 |
| Ratio | 16:1 | 16:1 |
| Thermal Resistance (Slotted) (°C/W) | 8.3 | 8.3 |
| Feedback Type | Hall Sensors | Hall Sensors |
| Document | Document Type | Language | File Type |
|---|---|---|---|
| Large Bone Surgical Gearmotor - Drill/Reamer (B1112A4) Specification Page | Specification Page |
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| Large Bone Surgical Gearmotor - Drill/Reamer (B1112A4) Drawing | 2D Drawing |
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| Large Bone Surgical Gearmotor - Drill/Reamer (B1112A4) 3D Drawing | 3D Drawing |
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