How to Maintain Water Cooling Spindle in Winter?
During the use of CNC routers, we always ignore the maintenance of the spindle. Now we will briefly explain how to maintain the water-cooled spindle in winter.

Water-cooled spindle is a type of spindle that comes with a frequency converter to drive the rotor to rotate around the coil (stator), which uses water circulation to cool the heat generated by the high-speed rotation of the spindle (18000 or 24000RPM). After water circulation, the temperature will not exceed 40 degrees, so the cooling effect will be better than the air-cooled spindle during long-term operation. However, due to the low temperature in winter, it is also necessary to pay attention to the freezing of the circulating water and damage to the spindle.
The following four tips deserve our attention:
1. Keep the water-cooling system and water pump working normally, and never cause the water-cooled spindle motor to be short of water.
2. Change the cooling water regularly. In case of high temperature, make sure the cooling water is clean.
3. There should be as much circulating water as possible. If you work for a long time, you can choose to use a large-capacity water tank.
4. In winter, the water in the water tank should be completely drained to prevent the water tank and pipes from rupturing. If possible, use antifreeze for cooling.
Water circulation is the guarantee for the normal use of the water-cooled spindle. We must pay attention to the water level and avoid water shortage. Paying more attention to this detail can provide a good guarantee for our use of CNC routers.
Share This Article With Others
Related News
2022-05-262 Min Read
STYLECNC will help you to choose a professional CNC router machine for intelligent cabinet making with your business of custom panel furniture production.
2021-08-312 Min Read
When you are using a wooden door CNC router machine, there will be noise, how to reduce noises, let's start to learn the following solutions.
2023-08-316 Min Read
Need a CNC sign making machine to custom signage for your home & business to meet your budget and style? Review the guide on how to make custom signs with CNC router, laser engraver, laser cutter, plasma cutter or other CNC machines.
2023-10-075 Min Read
Most people only consider the low cost when choosing a CNC router machine. However, we really need to consider both the price and applicability. If you buy a CNC machine at a cheap price, but it is not suitable for your work, then it's just like a pile of scrap iron.
2026-05-196 Min Read
Most CNC routers and laser machines pay for themselves within 6 to 24 months, depending on machine type, utilization rate, and business model. Hobby-grade machines under $5,000 often break even in under 6 months through custom product sales. Industrial fiber laser cutters and full-size CNC routers typically recover costs within 12 to 18 months when operated at 60% or higher utilization. The key variables are production volume, pricing discipline, and consistent order flow.
2022-05-253 Min Read
It is an common question being discussed frequently for choosing vacuum adsorption table or T-slot table for a CNC router. Which one is suitable for your work?