ISO 1797-1-2011 pdf free. Dentistry一Shanks for rotary instruments – Part 1: Shanks made of metals.
This International Standard specifies shanks for rotary instruments used in dentistry and gives measurement methods for the venfication of dimensions.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 1942, Dentistry — Vocabulary
ISO 3274, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Nominal characteristics of contact (stylus) instruments
ISO 4288, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Rules and procedures for the assessment of surface texture
ISO 6507-1 • Metallic materials — Vickers hardness test — Part 1: Test method ISO 8325, Dentistry — Test methods for rotary instruments
3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 1942 and the following apply.
3.1.1 shank
part of a rotary instrument used in dentistry which is designed to fit into the chuck of a straight or geared dental handpiece, a technical handpiece or a dental turbine
3.2 Symbols and abbreviated terms
Symbols and terms are shown in Figures 1 to 8 with the following key:
d1 shank diameter;
d2 diameter in the groove;
s maximum distance from the circumference to the flat portion;
l1 ftting length;
12 shoulder to end length;
13 shoulder to groove length;
14 width of groove;
ls length of conical or rounded end;
δ cylindricity of shank cylinder.
4 Classification
Shanks for rotary instruments are classified into the following types, according to their diameters and designs:
一Type 1: diameter 2,35 mm with groove and flat (for contra-angle-connection);
一Type 2: diameter 2,35 mm cylindrical;
一Type 3: diameter 1,6 mm cylindrical with conical or rounded end;
一Type 4: diameter 3 mm cylindrical.
5 Requirements
5.1 Material
Shanks shall be made of metallic materials (e.g. steel or tungsten carbide). The exact type of material and the treatment given to it are at the discretion of the manufacturer.
5.2 Dimensions
The dimensions and tolerances shall be as shown in Figures 4 to 7 and as given in Table 1.
Dimensions are given in millimetres, surface roughness in micrometres.
The end of the shank for Types 1, 2 and 4 shall be either flat, conical or rounded. The end of the shank for Type 3 shall be either conical or rounded.
The shape of the shank end shall be at the discretion of the manufacturer.ISO 1797-1 pdf download.
Tags: Dentistry
-
ISO 8600-1-2013 pdf free download.Endoscopes – Medical endoscopes and endotherapy devices – Part 1: General requirements. 6 Marking 6.1 Minimum marking Iach individual endoscope or endotherapy device shall have the lollowing minimum marking: a) model number and/or other mark sufficient to identify the endoscope or endotherapy device and its manufacturer; b) maximum insertion portion width, minimum instrument channel width, working length, field of view and/or direction of view where such identification is necessary for the intended use of the endoscope or endotherapy device. The Insertion portion width and instrument channel width units shall be in millimetres. The insertion portion width and instrument channel width can also be marked in French size as defined in 3.5, shown by either ‘Fr or an encircled number; c) wherever reasonable and practicable. the endoscope or endotherapy device and detachable component(s) shall be identified in terms of lot numbers or serial numbers, etc. 6.2 Marking legibility The marking shall remain legible over the lifetime of the device when the endoscope or endotherapy device is used, cleaned, disinlected, sterilized and stored in accordance with the instruction manual. 6.3 Marking exceptions When marking on the endoscope or endotherapy device or detachable component(s) is impossible to achieve due…
-
ISO 15688-2012 pdf free download.Road construction and maintenance equipment – Soil stabilizers 一 Terminology and commercial specifications. This International Standard establishes the terminology, definitions of operation and commercial specifications for soil stabilizers and their components intended for use in road construction and pavement works. It does not apply to soil stabilizers used in agricultural applications. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.. ISO 3911, Wheels and rims for pneumatic tyres — Vocabulary, designation and marking ISO 6746-1, Earth-moving machinery — Definitions of dimensions and codes — Part 1: Base machine ISO 6746-2, Earth-moving machinery — Definitions of dimensions and codes — Part 2: Equipment and attachments ISO 7134. Earth-moving machinery — Graders — Terminology and commercial specifications 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 soil stabilizer self-propelled machine, either towed or transported, with the function of pulverizing, breaking-up, aerating, homogenizing, and loosening existing and imported soil or paving materials and mixing them…
-
ISO 18436-1-2012 pdf free.Condition monitoring and diagnostics of machines – Requirements for qualification and assessment of personnel一 Part 1: Requirements for assessment bodies and the assessment process. 5 Requirements for assessment body personnel 5.1 General provisions In order to ensure that the assessment process is carried out effectively and uniformly, the competence requirements for personnel involved in the entire process shall be defined by the assessment body and, in the case of a third party, be approved by the responsible TCC (in accordance with ISO/IEC 17024). The assessment body shall require its personnel (internal or external) to sign a contract, or other document, by which they commit themselves to comply with the rules defined by the assessment body, including those relating to confidentiality and those relating to independence from commercial and other interests, and from any prior or present link with the persons to be examined that would, in the opinion of the interested parties, compromise impartiality. Clearly documented instructions shall be available to the personnel, describing their duties and responsibilities. These instructions shall be maintained up to date. All personnel involved in any aspect of assessment activities shall possess appropriate educational qualifications, experience and technical expertise, which satisfy defined…