Chiller Solutions to Match CNC Coolant Brands
Why Choose Our CNC Coolant Chiller?
- Chillerone strictly follows 52 production processes.
- The defect rate of our products is lower than 0.3%.
- Our accessories are made with top international brands such as Copeland, Danfoss, and Schneider.
- We support non-standard features such as anti-corrosion, explosion-proof, and precise temperature control.
- We have partnerships with international brands such as German Siemens nuclear magnetic resonance water-cooling systems.
- Our annual production capacity of intelligent equipment exceeds 200,000 units.
Professional CNC Coolant Chiller Supplier Providing Custom Solutions
Chillerone’s CNC coolant chiller uses scroll compressors from well-known makers. For control, it uses a PID microcomputer system. This helps keep the water temperature steady, with accuracy around ±0.1℃ to ±0.3℃. When the temperature stays stable, spindle thermal shift is less likely. That supports better machining accuracy and a cleaner surface finish. It also helps cut down tool wear. In turn, the scrap rate can drop.
Chillerone has more than 20 years in industrial refrigeration. We handle key parts in-house, including evaporators and condensers. Before a unit ships, we run a full 72-hour performance test. Only after that do we allow it to leave the factory. If you want a selection plan and a quote, reach out anytime.
Our Products
A separate cooling unit. Put it next to the machine tool. It connects straight to the coolant tank. It comes with casters. You can move it easily to a new spot when you need to.
In a workshop with tight space, you can mount units on the wall. This keeps the floor clear. It also fits the smaller machine setup.
It releases heat into the air around it. There is no need for a cooling tower. No outside water loop is required either. This works well for a factory that does not have shared water pipes.
Heat is sent to an outside cooling tower. This goes through the water-cooled condenser. As a result, the refrigeration system keeps working steadily, even when the air is very hot.
This setup is made for water-soluble cutting fluid and mixed coolant. It helps keep the cutting liquid at a steady temperature. In turn, your cutting stays consistent.
This chiller works with cutting oils and other oil-based process fluids. The pump body and all sealing parts are chosen to match the oil features you use.
Stable Coolant Temperature
When CNC lathes run, the temperature can change. That can make the spindle heat up and expand a bit. It can also shift the size of the part you are cutting.
A CNC coolant chiller helps in a simple way. It keeps coolant moving all the time and brings the cutting fluid down in temperature. So the temperature stays steady, within a tight window.
With less heat movement, the metal deforms less. Your turned parts stay closer to the same size in a batch.
Precise Temperature Control
Chillerone’s CNC coolant chiller includes a PID microcomputer controller. It has two ways to run. One keeps a set coolant temperature. The other syncs with the room temperature. The unit can hold the cutting fluid temperature tightly. Even if the room conditions shift or the equipment load changes, the chiller still works to keep the process thermal conditions steady.
CNC Integration & Reliable Operation
Chillerone CNC coolant chiller can share status through remote alarm output and fault signal feedback. You can also start or stop it from outside, and it supports RS485 communication. With these links, the chiller works with the CNC main unit in a more coordinated way. If something goes wrong, it sends an alarm to the numerical control system. This helps protect the spindle and the tool. Because of that, less time is spent watching the unit by hand. System operation becomes more automated.
Applications of CNC Coolant Chiller
CNC machines run for hours, so the water chiller is on to keep the cutting fluid cool. If the temperature stays even, the parts tend to come out the same from one batch to the next. It also makes the job smoother and helps prevent malfunctions when you are producing a lot.
When you machine very precise parts from tough materials like aluminum and titanium alloys, you need coolant that stays steady. Chillerone’s CNC coolant chiller helps keep the cutting temperature stable. This supports tight size tolerances and the level of part quality.
When making automotive parts at scale over long runs, a water chiller helps keep the cutting fluid at a steady temperature. That makes it easier to run the line without frequent stops. It also lowers the chance of problems for the workers during production.
Mold making with precision milling needs very tight control over size and surface finish. The cutting fluid should stay at a steady temperature. When it does, the workpiece heats up more evenly. That lowers shape change caused by heat.
Making precision electronic parts and semiconductor tools often depends on tight heat control. A water chiller keeps the temperature steady. With a stable temperature, tiny metal expansion does not shift the dimensions as much.
Chillerone makes a CNC coolant chiller that works for precision work. You can use it in medical device plants, in general machinery production, and in energy equipment workshops, etc.
This comes down to the exact model you use. Water mixes and oil mixes behave differently. Their viscosity can change, and heat transfer can also shift. You should verify that the pump, the seals, and the heat exchanger are a match for that fluid.
Some of Chillerone’s CNC coolant chiller units can handle both types. Still, it is best to read the specs in the manual before you decide, so the system can run well for a long time.
Yes, but you must first check one thing. The combined heat from all machines running at the same time has to stay within what the water chiller can handle. You also need to set the flow rate and plan the pipe route in a sensible way. Going with a central cooling setup can cut down how much equipment you need to buy. Also, when you choose the units, do not just add up the counts of the machines.
Yes. The cutting fluid picks up metal shavings, dust, and oil sludge. If you do not filter it, the heat exchanger can clog, and the pump can get damaged. A filter helps stop these impurities from piling up. With that in place, the CNC coolant chiller can keep its cooling performance.
It can also help parts last longer. Most Chillerone units include built-in filtration as the default.
How often you service a CNC coolant chiller depends on how long it runs and what the workshop is like. In most cases,
Clean the air filter and the condenser every month.
Check the coolant level and the water quality about every 1 to 2 months.
Inspect the water pump and the heat exchanger every three months. If you use an air-cooled unit, clean the condenser more often when the area has a lot of dust or oil mist.
No specific numerical duration. How long it runs depends on how many hours it works, the conditions, how well it is serviced, and whether the coolant stays clean. If you keep up with routine work, the unit can keep running for a long time. That means you should clean the coolant, swap filters on time, and make sure air can move freely around the equipment. If your maintenance is done properly, it should be possible to use it for 15 years.
A CNC coolant chiller does not cool the whole machine. It mostly keeps the cutting fluid temperature steady. It does this by pulling heat out of the cutting fluid with a closed cooling loop. At the center is a vapor compression refrigeration cycle. The setup uses two linked loops that run together.
First Loop: Coolant Flow, The Heat Side:
Hot cutting fluid sits in the tank of the CNC unit. A pump sends it out. Before it reaches the main heat unit, it goes through a filter to catch metal bits and other junk. After that, the fluid enters the evaporator. In the evaporator, the cutting fluid gives off heat to the refrigerant. As the cutting fluid gets cooler, it goes back to the machine. The system repeats this step by step so the cutting fluid stays stable.
Second Loop: Refrigerant Flow, The Cooling Side:
This part handles the actual “cooling” work. The refrigerant moves between the compressor, condenser, expansion valve, and evaporator. In the compressor, low-pressure vapor is squeezed into a hotter, higher-pressure gas. Next, the hot gas goes to the condenser. Cooling happens there, either with air fans or with water, depending on the model. The refrigerant then turns into a high-pressure liquid. After that, it passes the expansion valve. Pressure drops fast, and the refrigerant becomes a mix of cold liquid and vapor at low pressure. Then it enters the evaporator again, where it takes in heat from the returning cutting fluid. When the refrigerant absorbs the heat, it evaporates into low-pressure gas and heads back to the compressor to start over.
Knowing how a CNC coolant chiller works can make troubleshooting easier. It also helps you set the next maintenance dates without guessing. When you shop for one, watch for what is actually inside the unit. A real chiller uses a compression refrigeration system. A basic water-cooled model may depend on a fan and air cooling instead. With this in mind, choosing the right option becomes simpler.
Picking a CNC coolant chiller is not just one step. You have to check several items in one go.
- First, work out the heat load. Find how much heat the coolant must carry away while machining. You can use the numbers in the machine tool manual. If you estimate, start from the spindle power. In many cases, the heat generated is about 25% to 30% of the spindle power. For rough work, use the higher end.
- Next, choose the cooling capacity. Do not pick the bare minimum. Select a chiller that can handle a bit more heat than your estimate. Chillerone recommends keeping some extra room, around 15% to 25%. This helps during hot summer days and when the machine runs for a long time without stopping.
- Then, verify the coolant type. Decide if the machine uses a water-based cutting fluid or an oil-based cutting fluid. You should confirm this before you buy or install the unit.
- After that, calculate the flow rate and the pressure head. Use the pipeline length and count the bends. Also include any limits at the equipment inlet. The flow rate impacts the heat removal ability. The head tells you if the coolant can push through the pipe with enough force to circulate well.
Working with a known CNC coolant chiller maker is a smart way to pick the right unit. If you go with a model that is too small, you can end up with uneven machining results, and more parts may get scrapped. If you choose a unit that is too big, you might pay more up front than you need, and you may also spend more on power over time. The above selection logic you have mastered can now help you avoid making unfavorable choices when making a selection.
The main contrast comes from how the condenser gets rid of heat.
Air-cooled Chiller
This unit uses fans. The fans push outside air through the condenser, so heat leaves the refrigerant. One plus is that it does not need a cooling tower or outside chilled water lines. Setup is also simpler, and the unit can run on its own. Some models can be moved with casters, which helps on the shop floor. This kind fits small or mid-sized plants, sites where water is limited, and workshops that do not have a central water system.
A downside is that warm outdoor air lowers cooling performance. Also, the fan work makes some noise.
Water-cooled Chiller
Here, the condenser must connect to an outside water setup. That can be a cooling tower or a plant-wide cooling water line. The cooling water carries the heat away from the refrigerant. The benefit is better heat release and steadier operation. It works well for big setups, heavy-duty loads, and places with higher outdoor temperatures.
The drawback is that you need cooling tower equipment and water piping in place first. The upfront cost is higher, and installation is harder.
Choosing is easier if you match your site needs. If you lack cooling water infrastructure, pick an air-cooled CNC coolant chiller. If you already have a central cooling water system, or you want stronger cooling, pick a water-cooled CNC coolant chiller.
Air-Cooled vs. Water-Cooled CNC Coolant Chiller: Quick Comparison
| Comparison dimension | Air-cooled type | Water-cooled type |
| Requires cooling tower / central water system | No | Yes |
| Effect on workshop temperature | Hot air discharged into the workshop | No impact on workshop temperature |
| Sensitivity to ambient temperature | Significant capacity drop above 35°C – reserve margin recommended | Almost unaffected by ambient temperature; stable cooling performance |
| Winter operation | Can run normally in low temperatures | Requires freeze protection |
| Power consumption components | Compressor + fan motor | Compressor + cooling water pump + cooling tower fan |
| Water treatment maintenance | None required | Need regular water treatment |
| Equipment relocation | flexible | Relocation is difficult |
| Annual energy efficiency | Fluctuates with seasons, less stable | Stable year‑round |
| Failure impact scope | Single unit failure does not affect others | Cooling tower failure may cause multiple chillers to shut down simultaneously |
Chilled Water Supply and Return Temperatures (Cutting Fluid)
If the chilled water outlet temperature is higher, the evaporation pressure also goes up. This leads to a larger unit cooling output by volume. On the other hand, when the set temperature is lower, the cooling capacity becomes smaller.
Ambient Temperature (Air-Cooled Type)
As the surrounding air temperature increases, the condensing pressure rises too. At the same time, the compressor compression ratio drops. Because of that, cooling capacity falls as well. That is why the water cooler often performs worse in hot summer weather than it does in spring or autumn.
Cooling Water Temperature (Water-Cooled Type)
When the cooling water inlet temperature is higher, the condensation effect gets weaker. With a weaker condensation effect, the cooling capacity drops.
Cutting Fluid Flow Rate and Fluid Traits
If the flow rate is too low, heat transfer efficiency drops. The cutting fluid properties matter as well. Items like specific heat capacity and viscosity can change the heat transfer result.
Machine Tool Processing Load
When the processing load is higher, more heat is produced. That raises the need for cooling capacity. Continuous heavy cutting creates a much larger heat load than light-load processing.
No. Tap water usually has calcium and magnesium, which makes it hard. It may also carry silt, germs, and other particles. Using it for a long time can cause trouble.
- First, scale can build up. When the minerals are heated, they can stick to the inside of pipes and heat exchangers. Over time, this blocks flow and slows heat transfer.
- Second, corrosion can start. Impurities can wear down metal parts. They can also help algae grow. Water quality drops, and bad smells may appear.
A better choice is deionized water, distilled water, or purified water. These options are cleaner and do not carry the minerals and extra particles that drive scale and corrosion. This helps protect the chiller’s water pump and heat exchanger. It also supports a longer service life for the unit.
You should also change the circulating water. Do this about once every 1 to 3 months, and do it on a steady schedule. If the CNC coolant chiller will sit idle for a while, drain the water line. For water-cooled models, add antifreeze instead. This is to prevent freezing and reduce the risk of cracking.
When you pick the right circulating water, you can lower the chance of breakdowns and cut maintenance work. If a heat exchanger fails from scale buildup, repairs can cost a lot, not just for parts. Production loss during downtime can be even more expensive than the equipment repair. Choosing good water and swapping it often is a simple and low-cost way to keep production running and to help the equipment last longer.
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