Editorial Technical Reference

Chiller Unit

This page explains how Chiller Unit is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A refrigeration system that removes heat from the CNC laser cutting machine's laser source and optics to maintain optimal operating temperatures.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Chiller Unit

Definition
The chiller unit is a critical cooling component within a High-Precision CNC Laser Cutting Machine. It circulates a coolant (typically water or a water-glycol mixture) through the laser resonator, cutting head, and beam delivery optics. By absorbing and dissipating the significant heat generated during laser operation, it prevents thermal damage, ensures consistent laser beam quality and power output, and maintains the dimensional stability of optical components, which is essential for achieving the machine's advertised high precision and cutting accuracy. The unit operates on a vapor-compression refrigeration cycle. A compressor circulates a refrigerant. The refrigerant absorbs heat from the process coolant in an evaporator/heat exchanger, causing it to vaporize. The gaseous refrigerant is then compressed, raising its temperature and pressure. It flows to a condenser where it releases the absorbed heat to the ambient air (via fans) or an external water circuit, condensing back into a liquid. An expansion valve then reduces its pressure and temperature before it returns to the evaporator to repeat the cycle. A separate pump circulates the cooled process fluid through the laser system. Key parameters include cooling capacity (5–60 kW), temperature control accuracy (±0.5 °C), water flow rate (20–200 L/min), operating pressure (1.0–1.6 MPa), refrigerant type (R410A), power supply (380 V / 50 Hz / 3-phase), rated power consumption (2–20 kW), ambient temperature range (5–45 °C), water temperature range (5–35 °C), protection class (IP54–IP65), noise level (55–75 dB(A)), weight (100–800 kg), and dimensions (800×600×1000 to 2000×1200×1800 mm). Materials include copper, aluminum, steel, and plastics. Standards referenced include GB/T 18430.1, GB/T 7778, IEC 60038, IEC 60529, and ISO 3744. Always verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The chiller unit operates on a vapor-compression refrigeration cycle. A compressor circulates a refrigerant. The refrigerant absorbs heat from the process coolant in an evaporator/heat exchanger, causing it to vaporize. The gaseous refrigerant is then compressed, raising its temperature and pressure. It flows to a condenser where it releases the absorbed heat to the ambient air (via fans) or an external water circuit, condensing back into a liquid. An expansion valve then reduces its pressure and temperature before it returns to the evaporator to repeat the cycle. A separate pump circulates the cooled process fluid through the laser system.
Common Materials
Copper (heat exchangers, tubing), Aluminum (fins, casing), Steel (structural frame, compressor housing), Plastics (reservoir, fittings)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Cooling Capacity5–60 kWMust match laser source heat load; undersizing causes overheating.GB/T 18430.1
Temperature Control Accuracy±0.5 °CCritical for stable laser output; wider tolerance affects cutting quality.
Water Flow Rate20–200 L/minEnsure adequate flow for heat exchange; low flow causes high temperature.
Refrigerant TypeR410AR410A is common; R32 may be used for lower GWP.GB/T 7778
Power Supply380 V / 50 Hz / 3-phaseOther voltages available; verify phase and frequency.IEC 60038
Rated Power Consumption2–20 kWAffects operating cost; check efficiency at part load.
Ambient Temperature Range5–45 °COutside range may cause derating or shutdown.GB/T 18430.1
Water Temperature Range5–35 °CSet point must be above dew point to avoid condensation.
Protection ClassIP54–IP65Higher IP for dusty or wet environments.IEC 60529
Noise Level55–75 dB(A)Check for workplace noise regulations.ISO 3744
Weight100–800 kgAffects installation and floor loading.
Dimensions (L×W×H)800×600×1000 – 2000×1200×1800 mmEnsure clearance for maintenance and airflow.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Compressor
    Compresses the refrigerant gas, raising its pressure and temperature to enable heat rejection.
    Material: Steel, Cast Iron
  • Condenser
    A heat exchanger where the hot, high-pressure refrigerant gas releases its heat to the ambient air (air-cooled) or water (water-cooled), causing it to condense into a liquid.
    Material: Copper tubes, Aluminum fins
  • Evaporator / Process Heat Exchanger
    A heat exchanger where the cold, low-pressure refrigerant absorbs heat from the warmer process coolant, cooling it down for circulation to the laser.
    Material: Stainless Steel, Copper
  • Reservoir / Pump Assembly
    Stores the process coolant and houses the pump that circulates it through the closed-loop laser cooling circuit.
    Material: Plastic (tank), Stainless Steel (pump housing)
  • Expansion Valve
    Regulates the flow of high-pressure liquid refrigerant into the evaporator, causing a pressure drop that results in rapid cooling of the refrigerant.
    Material: Brass, Copper
  • Condenser Fans
    Blow ambient air across the condenser so the refrigerant can give up its heat.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Maximum system pressure: 6 bar, typical operating pressure: 2-4 bar
flow rate: Flow rate range: 10-100 L/min depending on laser power
temperature: Coolant supply temperature range: 15°C to 35°C, return temperature differential: 5°C to 15°C
slurry concentration: Not applicable - closed-loop pure water or glycol/water solutions only
Media Compatibility
✓ Deionized water with corrosion inhibitors ✓ Ethylene glycol/water mixture (30-50%) ✓ Propylene glycol/water mixture (food-grade applications)
Unsuitable: Abrasive slurry environments or conductive metalworking fluids
Sizing Data Required
  • Laser source heat rejection (kW)
  • Required temperature stability (±°C)
  • Ambient operating temperature range

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Compressor bearing failure
Cause: Inadequate lubrication, contamination from moisture or debris, misalignment, or excessive vibration leading to wear and eventual seizure.
Refrigerant leakage
Cause: Corrosion of tubing or fittings, vibration-induced fatigue cracks, poor brazing or sealing during installation or repair, or mechanical damage.
Maintenance Indicators
  • Unusual grinding or knocking noises from the compressor section
  • Visible oil stains or refrigerant leaks around fittings, valves, or tubing connections
Engineering Tips
  • Implement regular vibration analysis and oil analysis programs to detect early signs of bearing wear, contamination, or lubrication issues.
  • Establish a routine for inspecting and tightening electrical connections, checking refrigerant levels, and cleaning condenser and evaporator coils to maintain efficiency and prevent overheating or corrosion.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 5149: Refrigerating systems and heat pumps - Safety and environmental requirements ANSI/ASHRAE 15: Safety Standard for Refrigeration Systems CE Marking (EU Directive 2014/35/EU for low voltage equipment)

Quoted from the published standard.

Manufacturing Precision
  • Evaporator/condenser tube wall thickness: +/-0.1mm
  • Compressor mounting surface flatness: 0.05mm
Quality Inspection
  • Hydrostatic pressure test (1.5x design pressure)
  • Refrigerant leak detection test (helium or electronic sniffer)

Manufacturers of Chiller Unit

4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Chillerone
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Geson Chiller
Nanjing, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Ningbo Ecoair Environmental Technology Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
TopChiller
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

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Frequently Asked Questions

What is the typical cooling capacity range for this chiller unit?

The cooling capacity range is 5–60 kW, as listed in the directory. However, the required capacity must match the laser source's heat load; undersizing can cause overheating. Always confirm the exact capacity needed for your specific laser machine with the manufacturer.

What temperature control accuracy can be expected?

The temperature control accuracy is ±0.5 °C. This is critical for stable laser output; wider tolerance can affect cutting quality. Verify that the chiller model meets your process requirements.

Which refrigerant is used?

The refrigerant type listed is R410A. R32 may be used for lower GWP, but this is not specified in the directory. Confirm the refrigerant type with the supplier, as it affects service and environmental compliance.

What standards are referenced for this chiller?

Standards referenced include GB/T 18430.1 for cooling capacity and ambient temperature range, GB/T 7778 for refrigerant type, IEC 60038 for power supply, IEC 60529 for protection class, and ISO 3744 for noise level. These are procurement references; verify compliance with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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