Simo Motor Successfully Repaired the Bearing Chamber Wear Failure of an Imported High Voltage Motor of a Multinational Company

I. Fault Background: Imported equipment experienced a sudden failure, causing production to face a standstill.

Customer Information:

• Client OrganizationA well-known foreign-funded pharmaceutical company (name withheld at client's request)
• Equipment InformationGerman Imported High-Voltage Synchronous Motor
• Key ParametersRated power: 1850 kW Rated voltage: 10 kV Rotational speed: 1500 r/min
• Equipment ValueThe original value is approximately 2.8 million yuan, and the import cycle typically takes 4 to 6 months.
• Fault Symptoms：
  • Abnormal vibration and noise occurred during equipment operation.
  • The vibration value surged sharply from the normal 2.1 mm/s to 8.5 mm/s.
  • Bearing temperature abnormally increased, reaching a maximum of 95°C.

II. In-Depth Diagnosis: Pinpointing Specific Faults in Imported Equipment

Simo motorsUpon receiving the customer's request for assistance, the technical team immediately dispatched import equipment repair specialists to the site:

1. Comprehensive inspection and analysis

• Collect vibration spectrum data using a vibration analyzer imported from Germany.
• Use an infrared thermal imager to detect temperature distribution.
• Perform laser alignment inspection to eliminate misalignment factors.
• DiagnosisNon-drive end bearing housing severely worn, with bore diameter exceeding tolerance by 0.35 mm.

2. Analysis of Fault Specificity

• The bearing housing of this imported motor utilizes a special alloy material.
• Traditional repair methods require factory return processing, taking up to several weeks.
• Purchasing original manufacturer parts involves long lead times and high costs.
• The customer's production task is urgent and requires immediate repair.

III. Innovative Maintenance Solutions and Technological Breakthroughs

Based on the diagnostic results and the specific characteristics of the equipment, we have developed an innovative on-site repair solution:

1. On-site Repair of Polymer Composite Materials

• surface treatmentUse specialized tools to perform precise treatment on worn areas.
• Cleaning and DegreasingThoroughly clean worn surfaces using imported cleaning agents.
• Coating materialRepair using U.S.-imported polymer composite materials
• Precision formingUse specialized tooling to ensure repair dimensional accuracy.

2. Key Technical Parameter Control

• The clearance is controlled within 0.02 mm.
• Surface roughness reaches Ra 0.8
• The material's bond strength is superior to that of the base metal.
• After repair, the hardness reaches HB210.

IV. Maintenance Effectiveness and Value Realization

1. Verification of Repair Effectiveness

• After repair, the vibration value decreased to 1.8 mm/s, exceeding factory standards.
• Bearing temperature has returned to normal and stabilized below 65°C.
• The equipment passed its initial test run successfully and is operating smoothly.
• It has been operating continuously for nine months and is in good condition.

2. Value Created for Customers

• Time ValueOn-site repairs completed in just 36 hours, saving 20 days compared to traditional methods.
• Economic benefitsRepair costs amount to just 15% of the equipment replacement cost.
• Production AssuranceAvoided production losses of approximately 5 million yuan
• Technology EnhancementRapid repair capabilities for imported equipment have been established.

V. Summary of Imported Equipment Maintenance Experience

1. Technical Key Points

• Master the special materials and structural characteristics of imported equipment
• Familiar with the technical standards of internationally renowned brand motors
• Possess the capability to perform on-site maintenance under special operating conditions
• Establish a library of alternative solutions for imported spare parts

2. Service Advantages

• 24-Hour Rapid Response Mechanism
• Ability to interpret multilingual technical documentation
• Factory-level repair standards and techniques
• Comprehensive Quality Assurance System

VI. Professional Capabilities in Servicing Imported Equipment for Simar Motors

Through this case study, we demonstrate Xima Motor's capabilities in importingHigh voltage motorsCore Competencies in the Maintenance Field:

1. Professional Technical Team

• With over 20 years of experience in servicing imported equipment
• Several engineers have received technical training abroad.
• Proficient in international maintenance standards and specifications

2. Advanced Equipment Configuration

• Imported laser alignment instruments, vibration analyzers
• On-site machining equipment
• Professional testing equipment

3. Featured Services

• On-site Emergency Repair for Imported Motors
• Domestic Substitution of Imported Spare Parts
• Technical Upgrades and Modernization
• Preventive Maintenance Services

Professional Technical Services

Are you also facing repair challenges with your imported high-voltage motors? Do you want to receive the same level of professional repair service?

Contact Xima Motors' Imported Equipment Maintenance Experts Immediately: 159-0292-3228

Available:

• Free Technical Consultation
• On-site inspection and evaluation
• Optimize Maintenance Plan
• Preventive Maintenance Recommendations

Sima Motors—Your Expert in Imported High-Voltage Motor Repairs!

All case data in this article is sourced from actual maintenance records of Xima Motors. To protect customer privacy, key information has been anonymized. We have provided services to numerous Fortune 500 companies.Imported Motor RepairService, with mature and reliable technology.