Manufacturers prefer computer numerical control (CNC) machines for their precision, efficiency, and flexibility. However, as with most types of equipment, they do run into a few operational issues at some point. Lack of routine maintenance is a culprit behind most problems, but cleaning, lubricating, and chrome plating the machines will keep them up and running. Below are a few issues you might encounter.  

What Are the Most Common CNC Machine Troubles?

1. Machine Vibration

When your CNC machine excessively vibrates while running, or chatters, the force from the constant shaking affects the durability and quality of the machined parts. It can also impact the tool’s durability, and subsequently, shorten the equipment’s lifespan. 

Chatter can come from the workpiece or tool, so it’s crucial to pinpoint its source before making adjustments. For instance, you may want to lower the spindle’s RPM to reduce the vibrations. Let the machinist test other speeds to see which works best.

2. Overheating

Most CNC machines operate continuously since downtime can have a significant impact on productivity. However, keeping them running without rest may lead to overheating, resulting in subpar output quality, damaged tools, and malfunctioning machines.

Schedule regular cleanings to eliminate waste buildup, such as dirt, grit, metal shavings, and cutting coolant, inside of the equipment. Lubricate the spindles, and consider chrome plating them to make them last longer even at maximum RPM. Make sure there’s adequate ventilation around your CNC machine since insufficient airflow contributes to rising temperatures as well.

3. Output Imperfections

If you notice rough edges, burns on the outer edges, or cutter marks on the output product's surface, it could be due to one or more factors. A worn-out machine tool, incorrect feed speed ratio, and wrong tool size are reasons behind poor output quality.

Have a machinist check the tool’s sharpness, feed speed, and coolant levels—a rising operating temperature can sometimes cause burn marks. Errors in the machine’s programming may also lead to product issues, so perform random spot checks during production runs.  

Most issues of CNC machines stem from a lack of maintenance. Keep yours in excellent condition with chrome plating and hard coat anodizing services from LWG Finishing in Fairfield, OH. Their state-of-the-art facility offers a range of finishing solutions, including sandblasting, electroplating, and centerless grinding. Call (513) 860-1156 to discuss your chrome plating needs or visit the website today.