How to Troubleshoot Common Glass Tempering Oven Issues

Troubleshooting glass tempering ovens is critical for maintaining their efficiency and longevity. Regular maintenance and prompt resolution of issues can prevent downtime and improve overall performance. This article focuses on troubleshooting common problems, particularly those associated with the SANKEN glass tempering oven, and provides practical solutions to ensure smooth operations.

SANKEN is a trusted brand in the glass machinery industry, known for its high-quality and reliable equipment. Their glass tempering ovens are designed to deliver consistent results, making them a favorite among operators. This article aims to equip you with the knowledge to identify and resolve common issues, ensuring your SANKEN oven operates at its best.

Preparing for Troubleshooting

Before diving into specific troubleshooting steps, it's important to have all necessary tools and resources handy. Ensure that you have the following:

• Power Supply: Make sure the oven is properly plugged in and the power supply is stable.
• Manual: Keep the user manual or operation guide nearby for reference.
• Tools: Have essential tools such as screwdrivers, pliers, and cleaning supplies ready.

Calibration of Temperature

Step 1: Preparing for Calibration

1. Verify Current Settings:
2. Check the current temperature settings on the control panel to ensure they are accurate.

3. Document the current settings for reference.

4. Temperature Sensors:

   
   
5. Inspect the temperature sensors for any signs of damage or contamination.
6. Clean the sensors if necessary to ensure accurate readings.

Step 2: Accessing the Control Panel

1. Power Off:
2. Shut down the oven to prevent any electrical hazards.

3. Wait for the oven to cool down to a safe temperature.

4. Navigation:

5. Locate the control panel and ensure you have the necessary access codes.

6. Access the control panel and navigate to the calibration menu.

7. Reference Manual:

   
   
8. Refer to the user manual for specific guidance on accessing the calibration menu.
9. Follow the step-by-step instructions provided in the manual.

Step 3: Performing Calibration

1. Temperature Reading:
2. Measure the current temperature inside the oven using a calibrated thermometer.

3. Compare the thermometer reading with the temperature sensor readings.

4. Adjust Temperature Setting:

5. Adjust the temperature settings according to the measured value.

6. Confirm the adjustment on the control panel.

7. Verification:

   
   
8. Wait for the oven to stabilize and verify the new temperature readings.
9. Ensure the temperature is consistent and within the specified range.

Tips for Accuracy

1. Regular Calibration:
2. Perform regular calibration checks to ensure accuracy.

3. Calibrate the oven at least once a month to maintain reliability.

4. Precision Tools:

5. Use high-precision thermometers to ensure accurate temperature readings.

6. Verify the accuracy of your thermometer annually.

7. Clean Sensors:

   
   
8. Clean temperature sensors regularly to prevent contamination.
9. Document cleaning intervals and methods.

Speed Adjustment

Step 1: Understanding Speed Controls

1. Manual vs. Automatic:
2. Determine if your oven has manual or automatic speed controls.

3. Refer to the manual for specific details on your model.

4. Control Systems:

   
   
5. Identify the control system used for speed adjustment.
6. Familiarize yourself with the system to ensure proper operation.

Step 2: Adjusting Speed

1. Accessing Controls:
2. Navigate to the speed control settings on the control panel.

3. Verify the current set speed.

4. Adjust Speed Settings:

5. Increase or decrease the speed according to your needs.

6. Confirm the new settings on the control panel.

7. Testing Adjustments:

   
   
8. Run the conveyor to test the new speed settings.
9. Observe the operation and make any necessary fine-tuning.

Step 3: Verifying Adjustments

1. Stability Check:
2. Verify that the conveyor runs stably at the new speed.

3. Ensure there are no jerks or inconsistencies.

4. Speed Consistency:

5. Measure the conveyor speed using a speedometer or stopwatch.

6. Compare the measured speed with the set value.

7. Safety Check:

   
   
8. Ensure the conveyor meets safety standards at the new speed.
9. Check for any potential risks such as instability or excessive wear.

General Maintenance

Regular Cleaning

1. Cleaning Interval:
2. Schedule regular cleaning intervals to keep the oven clean and free from debris.

3. Clean the oven at least once a month to avoid buildup.

4. Cleaning Process:

5. Use a soft-bristled brush or cloth to remove dust and debris.

6. Clean the control panel and interior surfaces thoroughly.

7. Chemical Cleaning:

   
   
8. Use appropriate cleaning solutions to remove stubborn contaminants.
9. Rinse thoroughly with water to avoid residue buildup.

Checking Components

1. Sensor Check:
2. Inspect temperature sensors for any signs of damage or contamination.

3. Clean sensors regularly to ensure accurate readings.

4. Conveyor Belts:

5. Check conveyor belts for wear and tear.

6. Replace belts if they show signs of excessive wear.

7. Motor Maintenance:

   
   
8. Inspect motors for signs of wear or damage.
9. Lubricate motors as recommended in the manual.

Lubrication

1. Lubrication Schedule:
2. Follow the manufacturer's recommended lubrication schedule.

3. Lubricate components such as gears, bearings, and conveyor rollers.

4. Lubricant Selection:

5. Use high-quality lubricants recommended by the manufacturer.

6. Ensure the lubricant is suitable for the operating conditions.

7. Application:

   
   
8. Apply lubricant using the appropriate tools to reach all critical components.
9. Ensure even distribution to prevent overheating and wear.

Documentation

1. Record Keeping:
2. Maintain detailed records of all maintenance activities.

3. Document cleaning, lubrication, and calibration intervals.

4. Reference Manual:

   
   
5. Keep the manual handy for reference during maintenance.
6. Use the manual to verify all maintenance procedures.

Common Issues and Solutions

Temperature Inconsistency

1. Signs:
2. Temperature readings are inconsistent or fluctuating.

3. Glass pieces are not uniformly tempered.

4. Resolution:

   
   
5. Calibration: Calibrate the oven temperature as described earlier.
6. Sensor Check: Inspect and clean temperature sensors.
7. Verification: Verify the accuracy of the sensors using a precision thermometer.

Conveyor Issues

1. Signs:
2. Conveyor stops or skips during operation.

3. Conveyor belt slips or becomes misaligned.

4. Resolution:

   
   
5. Tension Check: Adjust conveyor belt tension to ensure proper alignment.
6. Wear Check: Inspect conveyor belts for wear and tear.
7. Cleaning: Clean conveyor belts and rollers to remove debris.

Controller Issues

1. Signs:
2. Control panel fails to operate or displays error messages.

3. Settings do not save or revert to default values.

4. Resolution:

   
   
5. Reset: Perform a system reset according to the manual.
6. Software Update: Check for and install any available software updates.
7. Professional Help: Contact SANKEN support if issues persist.

Safety Concerns

1. Signs:
2. Operator notes unsafe conditions during operation.

3. Hazardous conditions arise due to operational issues.

4. Resolution:

   
   
5. Inspection: Conduct a thorough safety inspection of the oven.
6. Documentation: Ensure all safety protocols are followed.
7. Professional Inspection: Consider professional inspections for critical safety checks.

Conclusion

Feel free to reach out to SANKEN support for any additional assistance or professional services. Stay proactive in maintaining your equipment to ensure consistent and reliable operations.