GB/T 20959: Evolution and historical versions
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| GB/T 20959-2025 | English | RFQ |
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NC vertical turret
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GB/T 20959-2025
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| GB/T 20959-2007 | English | 289 |
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Basic data | Standard ID | GB/T 20959-2025 (GB/T20959-2025) | | Description (Translated English) | NC vertical turret | | Sector / Industry | National Standard (Recommended) | | Date of Implementation | 2026-03-01 | | Older Standard (superseded by this standard) | GB/T 20959-2007 | GB/T 20959-2007: NC vertical turret---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
NC vertical turret
ICS 25.060.20
J52
National Standards of People's Republic of China
CNC vertical turret
Posted 2007-06-25
2007-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard proposed by China Machinery Industry Federation.
The standard metal cutting machine tools by the National Standardization Technical Committee (SAC/TC22) centralized.
The standard unit is responsible for drafting. Yantai Machine Tool Research Institute annex.
Participated in the drafting of this standard. Changzhou City Shu Machine CNC Equipment Co., Ltd. Changzhou City Hongda Equipment Co., Ltd. CNC machine tools, tile
Room shop Yongchuan Machine Tool Accessories Co., Shenyang sincere CNC machine tool factory annex.
The main drafters of this standard. when said Qing, beginning Fu-chun, Wang Yaxing, Wu Huaping, Xu Shishun, Suiguo Tian.
This standard is the first release.
CNC vertical turret
1 Scope
This standard specifies the CNC vertical turret (hereinafter referred to as turret) the type and dimensions, requirements, test methods, inspection, marking,
Packaging and accompanying documents.
This standard applies to the size of square turret axis of rotation perpendicular to the installation base of 100mm ~ 400mm motor driven holder. among them
Dimensions for connecting newly designed turret. Other knife sets in the size of the tool holder may also refer to use.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 4208-1993 housing protection (IP Code) (eqv IEC 529. 1989)
GB/T 16769-1997 Metal-cutting machine noise level measurements
GB/T 17421.1-1998 Test code for machine tools - Part 1. under no-load or finishing conditions Geometric accuracy of machines
(Eqv ISO 230-1.1996)
JB/T 3207-2005 machine tool accessories packaging technology
Determination of JB/T 9877-1999 Metal Cutting Machine cleanliness
Preparation of JB/T 9935-1999 Machine Tool Accessories random technical documents
3 types and dimensions
Type 3.1
Taiwan side turret knife shape divided into A, B and C three types.
--- A-type, rectangular tank turret;
--- B type, cylindrical turret;
--- C type, dovetail turret.
NOTE. The standard diagram are examples only.
3.2 Connection Dimensions
3.2.1 Taiwan side turret knife edge size of the main parameters.
3.2.2 turret with machine connection size divided into two types, Ⅰ type and Ⅱ type, by the manufacturer in accordance with the need to use the product structure.
Note. Ⅰ type is mainly used for A-type and B-type turret; Ⅱ type is mainly used in Type C motor or concealed knife holder.
3.2.3 tool connection dimensions shown in Figure 1 and Table 1. Special needs may be agreed between manufacturer and user agreement.
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