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GB/T 36917.4-2022 English PDF

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GB/T 36917.4-2022: Dentistry - Laboratory cutters - Part 4: Miniature carbide laboratory cutters
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GB/T 36917.4-2022English409 Add to Cart 4 days [Need to translate] Dentistry - Laboratory cutters - Part 4: Miniature carbide laboratory cutters Valid GB/T 36917.4-2022

PDF similar to GB/T 36917.4-2022


Standard similar to GB/T 36917.4-2022

YY/T 1702   YY/T 1692   YY/T 1691   GB/T 36917.2   GB/T 36917.3   GB/T 36917.2   

Basic data

Standard ID GB/T 36917.4-2022 (GB/T36917.4-2022)
Description (Translated English) Dentistry - Laboratory cutters - Part 4: Miniature carbide laboratory cutters
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard C33
Classification of International Standard 11.060.20
Word Count Estimation 22,255
Date of Issue 2022-10-14
Date of Implementation 2023-11-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 36917.4-2022: Dentistry - Laboratory cutters - Part 4: Miniature carbide laboratory cutters

---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.
Dentistry -- Laboratory cutters -- Part 4.Miniature carbide laboratory cutters ICS 11.060.20 CCSC33 National Standards of People's Republic of China Dental laboratory cutting tools Part 4.Micro carbide cutting tools for laboratory use Published on 2022-10-12 2023-11-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms, Definitions and Symbols 1 3.1 Terms and Definitions 1 3.2 Symbol 1 4 Requirements 2 4.1 Materials 2 4.2 Shape 2 4.3 Dimensions and number of cutting edges2 4.4 Tooth profile 12 4.5 Radial runout 12 5 Sampling 13 6 Test methods 13 6.1 Shapes 13 6.2 Dimensions and number of cutting edges13 6.3 Tooth profile 13 6.4 Radial runout 13 6.5 Judgment 13 7 Tooth shape designation and number of cutting edges 15 8 Instrument marking 15 9 Packaging Labels 15 10 packs of 15 Reference 16

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document is part 4 of GB/T 36917 "Cutting tools for dental laboratories". GB/T 36917 has released the following parts. --- Part 1.Steel cutting tools for laboratory use; --- Part 2.Carbide cutting tools for laboratory use; --- Part 3.Carbide cutting tools for milling machines; --- Part 4.Micro carbide cutting tools for laboratory use. This document is modified and adopted ISO 7787-4.2002 "Dental Rotary Instrument Cutting Tools - Part 4.Micro-tungsten carbide blades for laboratory use" Tool". Compared with ISO 7787-4.2002, this document has made the following structural adjustments. --- Added "3.1 Terms and Definitions", 3.2 corresponds to Chapter 3 of ISO 7787-4.2002; ---Chapter 6 corresponds to Chapter 5 of ISO 7787-4.2002, of which 6.1~6.4 correspond to 5.1~5.4 of ISO 7787-4.2002, adding Added 6.5. The technical differences between this document and ISO 7787-4.2002 and their reasons are as follows. --- Replaced ISO 1797-1 (see 4.1.2, 4.3.2 and Chapter 9) with the normatively cited YY/T 0967 to adapt to our country's technology improve the operability; --- Deleted Chapter 6 "Acceptance Quality Limit (AQL)" in ISO 7787-4.2002, added "Sampling" Chapter (see Chapter 5) and Judgment specified content (see 6.5) to improve operability; --- Replaced ISO 8325 (see 6.1, 6.2, 6.4) with the normatively cited YY/T 0874 to adapt to my country's technical conditions and improve Operability; --- Replaced ISO 6360 (see Chapters 7 and 9) with normatively cited YY/T 0873 (all parts) to adapt to our country's technical conditions to improve operability. The following editorial changes have been made to this document. --- In order to harmonize with existing standards, the name of the standard has been changed to "Cutting tools for dental laboratories - Part 4.Micro-hardened for laboratory use" Alloy cutting tools"; --- Added the statement about the unit in the figure and table (see 4.3.1); --- Added references. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the State Drug Administration. This document is under the jurisdiction of the National Standardization Technical Committee for Dental Materials and Devices (SAC/TC99). This document is drafted by. Guangdong Medical Device Quality Supervision and Inspection Institute, Zhejiang New Asia Medical Technology Co., Ltd., Guangdong Falkenke Technology Industry Co., Ltd., Ningbo Xinyuan Dental Equipment Co., Ltd., Guangzhou Xifu Medical Equipment Co., Ltd. The main drafters of this document. Fang Min, Huang Minju, Xu Hui, Liu Zhiwei, Zeng Zhixiong, Tang Zhi, Wu Weirong, Chen Xianming, Lei Kangning, Ruan Zhimeng, Zhang Degui.

Introduction

Various dimensional and other requirements for dental laboratory cutting tools are essential to ensure the interchangeability and safe use of laboratory instruments. very important. GB/T 36917 "Cutting tools for dental laboratory" consists of four parts. --- Part 1.Steel cutting tools for laboratory use. The purpose is to standardize the dimensions and other requirements of steel cutting tools. --- Part 2.Carbide cutting tools for laboratory use. The purpose is to standardize the various dimensions and other aspects of carbide cutting tools Require. --- Part 3.Carbide cutting tools for milling machines. The purpose is to standardize the various dimensions and other aspects of cemented carbide cutting tools for milling machines. a requirement. --- Part 4.Micro carbide cutting tools for laboratory use. The purpose is to standardize the dimensions and other aspects of miniature carbide cutting tools various requirements. GB/T 36917 is divided into the above four parts according to the differences in materials, connecting equipment and dimensions of cutting tools for laboratory use. This document is one of a series of standards for dental rotary instruments. The nominal diameter of the working part listed in Table 1 to Table 16 is consistent with the diameter specified in YY/T 1011. Note that YY/T 0873 (all parts) gives a fifteen-digit number coding system to classify all types of dental rotation Turn the instrument. Dental laboratory cutting tools Part 4.Micro carbide cutting tools for laboratory use

1 Scope

This document specifies the size and shape requirements, the number of cutting edges, and the types of tooth shapes for 10 commonly used micro-carbide cutting tools in dental laboratories. Class and radial runout requirements, these 10 kinds of micro carbide cutting tools are also the most important micro cutting tools used in the laboratory. This document applies to 10 types of micro carbide cutting tools mainly used in laboratories.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. YY/T 0873 (all parts) Numerical coding system for dental rotary instruments [ISO 6360 (all parts)] Note. YY/T 0873.1-2013 Numerical coding system for dental rotary instruments Part 1.General characteristics (ISO 6360-1.2004, IDT); YY/T 0873.2-2014 Numerical coding system for dental rotary instruments - Part 2.Shape (ISO 6360-2.2004, IDT); YY/T 0873.3-2014 Numerical coding system for dental rotary instruments - Part 3.Characteristics of burs and cutting tools (ISO 6360-3.2005, IDT); YY/T 0873.4-2014 Numerical coding system for dental rotary instruments - Part 4.Characteristics of diamond instruments (ISO 6360-4.2004, IDT); YY/T 0873.5-2014 Numerical coding system for dental rotary instruments - Part 5.Characteristics of endodontic instruments (ISO 6360-5.2007, IDT); YY/T 0873.6-2015 Numerical coding system for dental rotary instruments - Part 6.Characteristics of abrasive instruments (ISO 6360-6.2004, IDT); YY/T 0873.7-2014 Numerical coding systems for dental rotary instruments - Part 7.Characteristics of mandrels and special instruments (ISO 6360-7.2006, IDT). YY/T 0874 Test methods for dental rotary instruments (YY/T 0874-2013, ISO 8325.2004, IDT) YY/T 0967 Rods for rotating and reciprocating instruments in dentistry (YY/T 0967-2022, ISO 1797.2017, MOD) 3 Terms, Definitions and Symbols 3.1 Terms and Definitions There are no terms and definitions that need to be defined in this document. 3.2 Symbols The following symbols apply to this document. d1---working part diameter, head diameter. d2--- neck size. l --- Working part length, head length. α --- Working part angle.

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