GB/T 33644-2025 Active National standards

GB/T 33644-2025 NC press brake—Testing of the accuracy

GB/T 33644-2025 NC press brake—Testing of the accuracy

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 33644-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Forging and pressing machinery

ICS Name: Forging equipment, stamping machines, and shearing machines

Publish Date: 2025-10-31

Implement Date: 2026-05-01

Pages: 16 pages

Scope

This document specifies the inspection requirements and accuracy testing for CNC sheet metal bending machines.
This document is applicable to the accuracy testing activities of CNC sheet metal bending machines.

Development Information

Word Count: 21 Thousand words Pages: 16 pages

Replace the following standards

GB/T 33644-2017 NC press brake—Testing of the accuracy

Referenced Standards

GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 10923-2009 Test code of accuracy for metalforming machine GB/T 34376-2017 NC press brake—Specifications

Related Standards

GB 5093-1985 Replaced

GB 5093-1985 Technical requirements for hand-held electromagnetic disk used for the presses

Publish Date: 1985-05-09

GB 6077-1985 Replaced

GB 6077-1985 Safety regulations for shearing machinery

Publish Date: 1985-06-06

GB/T 11880-1989 Replaced

GB/T 11880-1989 Large die-blocks used for die-forging hammer and mechanical forging press—Specification

Publish Date: 1989-12-02

GB/T 14404-1993 Replaced

GB/T 14404-1993 Plate shear—Testing of the accuracy

Publish Date: 1993-04-27

GB/T 14347-1993 Replaced

GB/T 14347-1993 Open front mechanical power presses—Types and basic parameters

Publish Date: 1993-05-03

GB/T 7925-2005 Replaced

GB/T 7925-2005 Wire electrical-discharge machines (Reciprocating traveling type)—Parameters

Publish Date: 2005-05-18