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Brushed DC Motors Manufacturers

DC brushed motors have low cost, large starting torque, and convenient speed adjustment; however, they have many shortcomings, such as short service life, loud noise, EMC interference, and large external dimensions. For high-value DC brush motors, regular maintenance is required, such as cleaning the toner or replacing new brushes. In the right situation, brushed DC motors are a suitable choice. A brushed DC motor is a common type of DC motor that uses brushes (also called carbon brushes) to reverse the direction of current flow. DC brushed motors have a simple structure, high starting torque when starting, and relatively low cost. They are suitable for applications requiring high starting torque and relatively simple control. DC brush motors are widely used in many small electronic devices, power tools, household appliances, and some low-cost automation systems.
About

Hengye Intelligent Drive (Hangzhou) Co., Ltd.

Established in 2004, Hengye Intelligent Drive (Hangzhou) Co., Ltd. has long been focusing on the R&D and manufacturing of AC motors, DC motors, servo motors, brushless motors, geared motors, which have a high reputation in the industries of cleaning equipment, medical equipment, logistic and handling equipment, industrial controls, vacuum pumps, etc.
As Logistic Equipment DC Motors Manufacturers and Polishing Machine Motor Factory in China, Hengye has been focusing on talent cultivation and has a large number of senior and stable R&D engineers, process and quality engineers. At the same time, Hengye has been continuously upgrading its equipment capacity, with ultra-precision machining equipment including OKUMA, MAZAK, HASS, BROTHER, as well as advanced testing equipment in the industry, such as ZEISS, JENOPTIK, MITUTOYO, and so on.
While guaranteeing that the technology and quality exceed the industry standard, Hengye is committed to providing more professional and efficient customized solutions to help customers solve problems. Supply Custom Polishing Machine DC Motor. We will cooperate with our customers to develop together and create brilliant future.
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  • UL Certificate
  • CE
  • ISO14001-EN
  • ISO14001-CN
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  • ISO45001-CN
  • ISO9001-EN
  • ISO9001-CN
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DC Motor Industry knowledge
What should you do if the brushes of the brushed DC motors are worn, damaged or contaminated?
If the brushes of a brushed DC motors are worn, damaged, or contaminated, it's essential to address the issue promptly to maintain proper electrical contact with the commutator and ensure efficient motor operation. Here's what you should do:
- Before performing any maintenance on the brushed brushed DC motor, ensure that it is safely isolated from the power source. Turn off the motor's power supply and follow appropriate lockout/tagout procedures to prevent accidental energization.
 - Remove the motor's end covers or access panels to inspect the brushes. Look for signs of wear, damage, or contamination. Common indicators include uneven wear, fraying, chipping, or foreign particles embedded in the brush material.
   - If the brushes are contaminated with dust, dirt, or carbon deposits, clean them thoroughly using a soft brush, compressed air, or a cleaning solvent. Carefully remove any debris from the brush surface and surrounding area. Similarly, clean the commutator surface using a commutator stone or fine-grit sandpaper to remove carbon buildup and ensure smooth operation.
   - If the brushes are significantly worn, damaged, or unable to make proper electrical contact with the commutator, they should be replaced. Remove the old brushes carefully, taking note of their orientation and position. Install new brushes of the correct size, shape, and material specified by the motor manufacturer. Ensure that the brushes are seated properly and aligned with the commutator.
   - Check the brush spring tension or pressure to ensure proper contact with the commutator. Adjust the spring tension as needed to achieve the recommended pressure for optimal brush performance and minimal wear.
 - Implement a regular inspection schedule to monitor brush wear and performance. Keep track of brush replacement intervals based on operating conditions and usage. Replace brushes proactively before they become excessively worn to prevent damage to the commutator and maintain motor efficiency.
   - After cleaning or replacing the brushes, reassemble the motor for logistic equipment and conduct a functional test to ensure proper operation. Monitor motor performance, including speed, torque, and current draw, to verify that the brush replacement has restored normal motor function.
   - Incorporate routine brush inspection and maintenance into the motor's preventive maintenance program. Regularly clean the brushes and commutator, monitor brush wear, and schedule proactive brush replacement to minimize downtime and prevent premature motor failure.
   - Maintain detailed records of brush maintenance activities, including inspections, cleaning, and replacements. Document brush wear trends, replacement intervals, and any issues encountered during maintenance. This information helps track the motor's maintenance history and aids in troubleshooting future problems.
 If you're unsure about any aspect of brush maintenance or replacement, consider consulting with a qualified electrician or motor technician for assistance.

How should polishing machine motor develop a regular inspection schedule to monitor brush wear and performance?

Establishing a regular inspection schedule to monitor brush wear and performance of a polishing machine motor is an important step in ensuring reliable operation of the motor. Here are the steps you should consider when developing such a plan:
    - Determine the frequency of periodic inspections based on the motor's usage, workload and operating environment. Generally speaking, motors with high loads, frequent use, or harsh environments may require more frequent inspections.
    - Determine the specific steps and procedures that should be performed for each inspection. This includes checking the brushes for wear and cleanliness, as well as other components associated with the brushes, such as brush guides and springs.
    - Record the degree of brush wear, cleaning conditions and any abnormal findings after each inspection. Establish a logging system to track brush inspection history and wear trends.
    - Determine the wear and replacement standards for brushes. Determine when the brushes should be replaced based on the motor model and manufacturer's recommendations. Normally, when the brushes are worn to a certain extent or cannot meet the motor performance requirements, they should be replaced in time.
    - Train maintenance personnel on standard procedures for brush inspection and replacement. Ensure that they can accurately identify the degree of wear of the brushes and take necessary maintenance measures in a timely manner.
    - Provide appropriate tools and equipment for inspection of brushes and other parts of the polishing machine motor. This may include tools such as digital microscopes, brushes, cleaning solvents, and resistance meters.
    - In addition to regular inspections, establish a preventive maintenance program to ensure long-term reliable operation of the motor. Maintenance tasks include cleaning the polishing machine motor, maintaining proper lubrication, and replacing brushes regularly.
    - Regularly evaluate the effectiveness of the inspection plan and make adjustments based on actual conditions. If you find that your brushes are not wearing at a rate you expect, or if brush failures occur frequently, inspection frequency and maintenance procedures may need to be re-evaluated.
    - If necessary, contact the motor for logistic equipment manufacturer or supplier for the latest advice and guidance on brush inspection and maintenance. Manufacturers often provide information on best practices and recommended maintenance schedules.