Editorial Technical Reference

Cryogenic Cooling Jacket

This page explains how Cryogenic Cooling Jacket 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 specialized cooling component that maintains cryogenic temperatures around critical grinding head elements to prevent thermal damage and ensure precision machining.

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Product Specifications

Technical details and manufacturing context for Cryogenic Cooling Jacket

Definition

The Cryogenic Cooling Jacket is an integral part of the Grinding Head Assembly designed to envelop and maintain extremely low temperatures around grinding components. It functions as a thermal management system that prevents overheating during high-precision machining operations, particularly in applications involving hard or heat-sensitive materials. By circulating cryogenic fluids (typically liquid nitrogen or specialized coolants) through its sealed channels, it absorbs and dissipates heat generated by friction, ensuring dimensional stability and preventing thermal expansion that could compromise machining accuracy. The jacket is available in stainless steel, copper alloy, or high-grade aluminum, with material grades such as 304/316L for cryogenic service. Key parameters include a cooling capacity of 0.5–2.0 kW, operating pressure of 1.0–1.6 MPa, coolant temperature range of -196 to -40 °C, and a leakage rate of ≤0.01 Pa·m³/s (ISO 15848-1). Inner diameter ranges from 50–200 mm, outer diameter from 80–250 mm, length from 100–500 mm, and weight from 5–20 kg. Insulation thermal conductivity is 0.02–0.05 W/(m·K) (ASTM C177), maximum surface temperature is ≤50 °C, and IP rating is IP54–IP65 (IEC 60529). These values are reference ranges and must be verified for the specific model and application. The jacket is designed to match the grinding head shaft and can be customized in length. It is essential to confirm all specifications with the legal manufacturer or supplier before procurement.

Working Principle

The jacket operates by circulating cryogenic fluid through internal channels or passages that surround the grinding components. As heat transfers from the grinding operation into the jacket walls, the cryogenic fluid absorbs this thermal energy, maintaining the grinding head at optimal operating temperatures. This prevents thermal deformation, reduces tool wear, and maintains material properties during precision machining processes.

Common Materials

Stainless steel, Copper alloy, High-grade aluminum

Technical Parameters

Parameter	Typical range	Notes & selection driver
Cooling Capacity	0.5–2.0 kW	Sufficient for high-speed grinding heat load
Operating Pressure	1.0–1.6 MPa
Coolant Temperature Range	-196–-40 °C	LN2 to dry ice range
Leakage Rate	≤0.01 Pa·m³/s	Helium leak testISO 15848-1
Inner Diameter	50–200 mm	Match grinding head shaft
Outer Diameter	80–250 mm	Depends on insulation thickness
Length	100–500 mm	Customizable per application
Material Grade	304/316L	Stainless steel for cryogenic serviceASTM A240
Weight	5–20 kg	Depends on size and insulation
Insulation Thermal Conductivity	0.02–0.05 W/(m·K)	Minimize heat ingressASTM C177
Max Surface Temperature	≤50 °C	Safety for operators
IP Rating	IP54–IP65	Dust and water protectionIEC 60529

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

Coolant Inlet Port Part
Entry point for cryogenic fluid into the jacket system

Material: Stainless steel
Coolant Outlet Port Part
Exit point for cryogenic fluid after heat absorption

Material: Stainless steel
Thermal Insulation Layer Part
Minimizes heat transfer between jacket and external environment

Material: Polyurethane foam or vacuum insulation
Jacket Body with Internal Channels
The jacket shell and the passages the cryogen actually flows through.

Applied To / Applications

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

Grinding Head Assembly

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Manufacturers of Cryogenic Cooling Jacket

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Frequently Asked Questions

What materials are available for the Cryogenic Cooling Jacket?

The jacket can be made from stainless steel, copper alloy, or high-grade aluminum. For cryogenic service, stainless steel grades 304/316L are specified as a reference. Confirm the exact material grade with the supplier for your application.

What is the operating pressure range and standard?

The operating pressure range is 1.0–1.6 MPa. This is a reference range; verify the actual pressure rating for your specific model.

How is the leakage rate tested?

The leakage rate is specified as ≤0.01 Pa·m³/s, tested using a helium leak test according to ISO 15848-1. This is a verification reference; ensure the manufacturer provides test documentation.

What is the maximum surface temperature for safety?

The maximum surface temperature is ≤50 °C to ensure operator safety. This is a reference value; confirm the actual surface temperature for your operating conditions.

Data Basis

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

Preliminary Technical Classification

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pressure:	Up to 10 bar (150 psi) operating pressure
flow rate:	2-20 L/min (cryogenic fluid)
temperature:	-196°C to 25°C (liquid nitrogen range to ambient)
slurry concentration:	Up to 30% solids by weight (abrasive media)

Cryogenic Cooling Jacket

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