In the world of electric motors, you'll find both general-purpose and specialized options. While standard motors work well for many applications like factory automation, there are times when choosing a motor system with built-in features can significantly speed up your design process. In this post, we’ll explore some of these key features that make AGVs and AMRs more efficient and reliable.
Accurate Speed Regulation Prevents Weaving
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Uneven speeds between the left and right wheels can cause an AGV to weave, leading to instability. With built-in speed regulation using hall-effect sensors, fluctuations are minimized, ensuring smoother operation and reducing weaving issues. |
Vector Control for Ramp Operation
| When moving up or down a ramp, maintaining consistent speed is challenging due to gravity’s effect. The built-in "Vector Control" provides precise torque control and load monitoring, ensuring stable performance and effective back EMF management. |
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Low Battery Operation
For battery-powered vehicles, efficient power use is crucial. Motors designed for low voltage operation can help maintain performance even as the battery nears depletion. These systems adjust speed based on input voltage and provide warnings when power levels drop, helping operators return the vehicle to a charging station before it stops completely.
Constant Torque & Wide Speed Range
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Built-in limits on speed and current prevent overheating and ensure smooth operation, even under fluctuating loads. This helps maintain consistent performance during continuous use. |
Unique Flat Hollow Shaft Gearhead Design with High Load to Motor Ratio
Here's how a parallel shaft brushless gear motor would be integrated into an AGV's drivetrain. A flange drive adapter connects the gear motor shaft directly to the wheel, simplifying the design.
The flat hollow shaft gearhead allows for a compact design, making it ideal for space-constrained applications. It also improves efficiency by eliminating the need for couplings between the motor and the wheel shaft.
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This unique gearhead design offers high torque and radial load capacity, making it suitable for heavy-duty applications. Its rigid construction ensures durability and reliability, even under high stress. |
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Larger gears, bearings, and a robust case design contribute to higher torque output and improved load capacity compared to traditional gearheads. |
Network Capability
The BLV series includes built-in industrial communication protocols such as Modbus RTU. For support with ROS (Robot Operating System), please leave a comment below.
Additional protocols like EtherNet/IP, EtherCAT, CC-Link, Mechatrolink II/III, and SSCNETIII/H are available. CANopen is supported in the new BLV Series R Type.
Real-time monitoring of wheel speeds, load factors, and alarms from all axes of motion is possible through software or network communication.
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| TIP: Improve stop accuracy & avoid back-driving |
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Proper deceleration control can reduce overrun, improving stopping accuracy. For example, stopping at 3,000 RPM versus 80 RPM can result in over 330 mm difference in distance with a 200 mm wheel diameter. |
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Back-driving an AGV or AMR can generate back EMF that might damage the system. An electromagnetic brake activated on power-off locks the motor in place, preventing unwanted movement during maintenance or vertical operations. |
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NEW Product: BLV Series R Type
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Oriental Motor's BLV Series R Type features a motor and dedicated compact driver, offering guaranteed performance. Built-in functions like torque limiting and wide voltage input make it ideal for battery-powered vehicles.
The BLV series R Type comes in 1/4 and 1/2 HP models, with rated torque up to 970 lb-in using the FR flat gearhead. 60W and 400W versions will be available soon.
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Contact our technical support team for other product options.
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Ready to Size a Motor?
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Choosing the right motor size is essential for optimal performance. Use our AGV motor sizing tool to calculate the three most important factors: torque, speed, and moment of inertia.
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Hydraulic Components
There are many types of valves, such as hydraulic valves, globe valves, overflow valves, cleaning valves, gate valves, butterfly valves, ball valves, etc.
We are good at processing heat-treated valve core and valve sleeve, end cap and piston rod and other parts
The hydraulic valve is an automatic component operated with pressure oil. It is controlled by the pressure oil of the pressure distribution valve. It is usually used in combination with an electromagnetic pressure distribution valve. Commonly used in oil circuits such as clamping, control and lubrication. There are direct acting type and pilot type.
The spool is a valve part that realizes the basic functions of directional control, pressure control or flow control by means of its movement.
Shut-off valves, also known as gate valves, are forced-sealed valves, so when the valve is closed, pressure must be applied to the clapper to force the sealing surface to not leak. When the medium enters the valve from below the clapper, the resistance to be overcome by the operating force is the friction force between the stem and the packing and the thrust generated by the pressure of the medium. The diameter should be large, otherwise the failure to bend the valve stem will occur. According to the connection method, it is divided into three types: flange connection, screw connection and welding connection. After the appearance of the self-sealing valve, the medium flow direction of the shut-off valve is changed into the valve cavity from above the valve flap. At this time, under the action of the medium pressure, the force of closing the valve is small, and the force of opening the valve is large, the diameter of the valve stem can be corresponding To reduce. At the same time, under the action of the medium, this form of valve is also relatively tight. China's valve "three chemical" once stipulated that the flow direction of the globe valve should be top-down. When the cut-off valve is opened, the opening height of the valve flap is 25% to 30% of the nominal diameter. The flow rate has reached the maximum, indicating that the valve has reached the fully open position. Therefore, the fully open position of the shut-off valve should be determined by the stroke of the disc.
Hydraulic components,spools and manifolds Manufacturers
Dayue Precision Technology , https://www.dayuechn.com