Regular Maintenance and Accuracy Adjustment of Double Disc Grinding Machines

As a high-precision machining equipment, double disc grinding machines play an important role in many fields such as mechanical engineering. In order to ensure that it always maintains good performance and machining accuracy, regular maintenance and precision adjustment are indispensable.

First, the importance of regular maintenance

Regular maintenance of double disc grinding machine can effectively extend the service life of the equipment, improve productivity and reduce maintenance costs. Through the systematic maintenance of the equipment, potential problems can be found in a timely manner and solved to avoid failure, thus ensuring the continuity of production. At the same time, good maintenance can also improve the processing accuracy of the equipment to ensure the stability of product quality.

Second, the content of regular maintenance

Cleaning

Regularly clean the surface of the grinding machine dust, oil and metal shavings and other debris. These impurities will not only affect the appearance of the equipment, but also may enter the internal mechanical components, resulting in increased wear, poor movement or even failure. Use a clean rag and special cleaner to wipe, taking care not to use corrosive cleaners that could damage the surface of the equipment.

Clean the cooling system. The cooling system plays the role of cooling and lubrication in the grinding process, if the cooling pipes are clogged or the coolant is deteriorated, it will affect the cooling effect and even damage the grinding wheel and workpiece. Replace the coolant regularly and clean the cooling pipes and filters to ensure smooth cooling.

Lubrication Maintenance

Lubrication of all moving parts is an important part of maintenance. Regularly check the oil level and quality of the lubricant and add or replace the lubricant in time. Different parts may need to use different types of lubricants, which should be selected according to the requirements of the equipment manual. For example, guide rails and screws usually use specialised guide oil, while high-speed rotating parts such as spindles require high-speed lubricants.

Inspect and maintain the lubrication system. Ensure that the lubrication pump is working properly and that there are no leaks in the oil pipes and joints. Clean the filter of the lubrication system regularly to prevent impurities from entering the lubrication system and affecting the lubrication effect.

Electrical system check

Check whether the connections of the electrical system are firm, and whether the wires are broken or aged. Loose connections can lead to electrical malfunctions, while broken wires are a safety hazard. Tighten loose connections and replace broken wires promptly.

Inspect and maintain electrical components. Such as contactors, relays, switches, etc., to ensure that they are working properly. Regularly clean dust and debris from the surface of electrical components to prevent short circuits or poor contact due to dust accumulation.

Check the operation of the control system. Including CNC system, PLC, etc., to ensure that its parameters are set correctly and the programme runs stably. Regularly back up the control system program and data to prevent data loss.

Third, the method of precision adjustment

Guideway precision adjustment

The guideway is an important part of the double disc grinding machine, and its accuracy directly affects the machining accuracy of the workpiece. Regularly check the parallelism and straightness of the guideway and use professional measuring tools to measure. If the accuracy of the guideway is found to be out of tolerance, it should be adjusted in time.

The methods of adjusting the guideway usually include scraping, grinding and adjusting shims. Scraping is a traditional method of adjustment, by hand scraping the surface of the guide rail, so that it reaches the required accuracy. Grinding is the use of grinding machine on the guideway, higher precision but also relatively high cost. Adjustment shims are added or reduced between the guideway and the bed to adjust the height and level of the guideway.

Grinding wheel dressing and balance adjustment

Grinding wheels gradually wear out during use, affecting grinding accuracy. Regularly dress the grinding wheel to maintain a sharp cutting edge. Use the grinding wheel dresser to dress the grinding wheel, paying attention to the appropriate amount of dressing, so as not to affect the strength and life of the grinding wheel.

The balance of the grinding wheel is also an important factor affecting machining accuracy. An unbalanced grinding wheel will generate vibration, resulting in increased roughness of the machined surface and even damage to the equipment. Balance adjustment of the grinding wheel is carried out using a wheel balancing instrument, which enables the grinding wheel to reach a balanced state by adding a balancing block to the grinding wheel or adjusting the mounting position of the grinding wheel.

Measuring Instrument Calibration

double disc grinding machines are usually equipped with various measuring instruments, such as micrometers, calipers, and percent gauges. Regularly calibrate these measuring instruments to ensure that their measurement accuracy is accurate and reliable. Use standard gauges to compare and calibrate the measuring instruments, and adjust or replace them in time if there is any error.

Fourth, the summary

Regular maintenance and precision adjustment of double disc grinding machine is the key to ensure the normal operation of the equipment and machining accuracy. Through regular cleaning, lubrication, inspection and adjustment, problems can be found and solved in time, prolonging the service life of the equipment and improving productivity and product quality. When carrying out maintenance and precision adjustment, it should be operated in strict accordance with the requirements of the equipment manual and carried out by professional technicians to ensure the safety and correctness of operation.