Product Description
NEMA G-11 G11
Epoxy Glass Cloth Laminate Sheet
REF: IEC6089-3-2 EPGC203 / NEMA G-11 certs to MIL-24768/3 GEB / Hgw-2372.4. DIN-7735
1.FEATURES
- Very low hygrometric susceptibility
- Good dielectric properties
- High resistance to friction
- Small losses at high frequency
- High resistance to flame ( V-0 )
2.APPLICATIONS
Very convenient for equipment on high frequencies and generally for all elements having to bear strong
dynamic stresses with good resistance to fatigue. It can be used at fairly high temperatures ( more than 155 OC ).
3.TECHNICAL PARAMETER
| Item | Unit | Standard Value | Test Value |
| Flexural strength perpendicular to laminations A: Under normal conditions E-1/150: Under 150±5ºC |
MPa |
≥ 340 ≥ 170 |
402 195 |
| Notch Impact strength parallel to lamination (charpy) |
kJ/m2 |
≥ 37 |
49 |
| Dielectric strength perpendicular to lamination (in oil 90±2ºC) 2.0mm in thickness |
kV/mm |
≥ 11.8 |
15.8 |
| Breakdown voltage parallel to lamination (in oil 90±2ºC) |
kV |
≥ 45 |
>60 |
| 50 Hz dielectric coefficient | – | ≤ 5.5 |
4.20 |
| 50 Hz loss factor /50 Hz | – | ≤ 0.04 | 0.571 |
| Water absorption rate D-24/23, 1.6mm in thickness | % |
≤0.25 |
0.18 |
| Insulation resistance impregnated in water, D-24/23 |
Ω | ≥ 5.0×1010 | 3.2×1011 |
| Bonding strength | N | ≥6500 | 7880 |
| Tg (TMA ) | ºC | — | 150 |
| Density | g/cm3 | 1.70-1.95 | 1.90 |
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| Application: | Insulators, Electrical Base, Shell, Motor, Switch Baseplate |
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| Type: | Insulation Sheet |
| Chemistry: | Organic Insulation |
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Shipping Cost:
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can motor base plates be used with both AC and DC electric motors?
Yes, motor base plates can be used with both AC and DC electric motors. The motor base plate serves as a mounting surface for the motor and provides a stable foundation for its installation. It is a structural component that is generally designed to accommodate various motor types, including both AC and DC motors. Here’s how motor base plates can be used with AC and DC electric motors:
1. AC Electric Motors:
AC electric motors, which include induction motors and synchronous motors, can be mounted on motor base plates. The base plate provides a flat and rigid surface on which the motor can be securely attached. The mounting arrangement typically involves aligning the motor’s mounting holes with the corresponding holes on the base plate and securing the motor in place using appropriate fasteners. The base plate ensures that the motor is properly supported and aligned, enabling efficient power transmission and minimizing vibrations.
2. DC Electric Motors:
Similar to AC motors, DC electric motors can also be mounted on motor base plates. DC motors, which include brushed and brushless DC motors, require a sturdy and level base for installation. The base plate provides the necessary stability and support for the motor. The mounting process involves aligning the motor’s mounting holes with those on the base plate and fastening the motor securely. By using a motor base plate, the DC motor can be securely mounted, allowing for smooth and reliable operation.
The design and specifications of motor base plates may vary depending on the motor size, mounting requirements, and specific application needs. However, the fundamental purpose of the base plate remains the same: to provide a solid and secure platform for mounting the motor, regardless of whether it is an AC or DC motor.
It’s important to note that while the motor base plate can be used with both AC and DC electric motors, there may be certain design considerations or additional components required depending on the specific motor type. For example, AC motors may require additional provisions for cooling or ventilation, while DC motors may need appropriate connections for power input and control signals.
In summary, motor base plates are versatile and can be used with both AC and DC electric motors. They provide a stable mounting surface, ensuring proper alignment and support for the motor. By using motor base plates, manufacturers and users can simplify the installation process and ensure reliable operation of AC and DC electric motors in a wide range of applications.
Are there specific safety considerations associated with motor base plate installation?
Yes, there are specific safety considerations associated with motor base plate installation to ensure the safety of personnel involved and the reliability of the motor system. When installing a motor base plate, it is essential to adhere to the following safety considerations:
1. Electrical Safety:
- Ensure that the power supply to the motor is disconnected and locked out/tagged out before beginning the installation process. This prevents accidental energization and protects against electrical hazards.
- Follow electrical codes and guidelines when making electrical connections between the motor and the power supply. Proper grounding is crucial to prevent electrical shocks and ensure electrical safety.
- Use insulated tools and equipment when working on electrical connections to minimize the risk of electrical shock.
2. Lifting and Rigging Safety:
- If the motor is heavy or large, use appropriate lifting equipment, such as cranes or hoists, to safely lift and position the motor onto the base plate. Follow proper rigging techniques and weight limits to prevent accidents or injuries.
- Ensure that the lifting equipment is in good working condition and that operators are trained in safe lifting practices.
- Securely attach the motor to the lifting equipment using approved rigging hardware to prevent the motor from falling or shifting during installation.
3. Personal Protective Equipment (PPE):
- Wear appropriate personal protective equipment, such as safety glasses, gloves, and steel-toed boots, when installing the motor base plate. PPE protects against potential hazards, such as falling objects, sharp edges, or electrical shocks.
- Use hearing protection if there is excessive noise generated during the installation process.
4. Ergonomics and Manual Handling:
- Follow proper ergonomic practices when lifting and handling the motor and base plate to prevent strain or injuries. Lift with your legs, not your back, and avoid awkward postures.
- If the motor is too heavy or requires multiple individuals to handle, use teamwork and proper lifting techniques to distribute the weight evenly and prevent overexertion.
5. Structural Integrity:
- Ensure that the base plate is securely installed on a stable and level surface capable of supporting the weight and vibrations of the motor.
- Inspect the base plate for any signs of damage or defects that could compromise its structural integrity. Repair or replace any damaged components before installation.
6. Manufacturer Guidelines:
- Follow the manufacturer’s installation instructions and guidelines specific to the motor and base plate being installed.
- Consult the manufacturer’s documentation for any additional safety considerations or precautions related to the motor base plate installation.
By considering and implementing these safety measures, motor base plate installation can be performed in a safe and secure manner, reducing the risk of accidents, injuries, or equipment damage. It is crucial to prioritize safety at every stage of the installation process to ensure a safe working environment and reliable operation of the motor system.
What role does a motor base plate play in reducing vibration and noise from motors?
A motor base plate plays a significant role in reducing vibration and noise generated by motors. It serves as a foundation for mounting the motor and provides several mechanisms for minimizing vibrations and noise transmission.
One of the primary functions of a motor base plate is to provide a stable and rigid platform for the motor. It helps to absorb and dampen vibrations that occur during motor operation. The base plate is typically made of a sturdy material such as cast iron or steel, which helps to minimize the transmission of vibrations to the surrounding structure.
In addition to its structural properties, a motor base plate often incorporates vibration isolation features. These features are designed to decouple the motor from the surrounding environment, further reducing vibrations and noise. Common vibration isolation mechanisms include rubber or elastomer pads, springs, or mounts that provide a cushioning effect and absorb vibration energy.
Furthermore, the design of the motor base plate may include specific features aimed at reducing noise transmission. For example, the base plate can be equipped with acoustic insulation materials or coatings that help to absorb and dampen sound waves generated by the motor. By minimizing the transmission of noise, the base plate contributes to a quieter operating environment.
Proper installation and alignment of the motor on the base plate are also crucial in reducing vibrations and noise. Ensuring that the motor is securely mounted, with proper alignment and tight fastenings, helps to prevent excessive vibrations and subsequent noise generation.
Overall, a motor base plate plays a vital role in reducing vibrations and noise from motors by providing a stable foundation, incorporating vibration isolation mechanisms, and minimizing noise transmission. By effectively managing vibrations and noise, the base plate helps to improve the performance, reliability, and comfort of motor-driven systems.
editor by CX 2024-04-26