JB/T 15622-2026Refrigerating unit for computer numerical control (CNC) machine tool spindles (English PDF)

JB/T 15622-2026 is the English-translated version of 数控机床主轴冷却机组.

JB/T 15622-2026 covers refrigerating units for the spindles of computer numerical control (CNC) machine tools. These units cool the spindle so that it can keep working under load. The document treats the unit as a product and deals with its requirements and the way they are checked.

Machine tool builders, makers of cooling equipment, machine users who buy replacement units and test laboratories will find it useful. It is voluntary, and the Ministry of Industry and Information Technology approved it. It was issued on 1 June 2026, takes effect on 1 December 2026, and is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

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