GB/T 20959-2025 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20959-2025	RFQ	ASK	3 days	NC vertical turret	Valid
GB/T 20959-2007	289	Add to Cart	3 days	NC vertical turret	Valid

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Older Standard (superseded by this standard): GB/T 20959-2007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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