SIST ISO 2490:2008 PDF

Name: SIST ISO 2490:2008 — Solid (monobloc) gear hobs with tenon drive or axial keyway, 0,5 to 40 module - Nominal dimensions
SKU: SIST ISO 2490:2008
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Solid (monobloc) gear hobs with tenon drive or axial keyway, 0,5 to 40 module - Nominal dimensions

Название (английский):

SIST ISO 2490:2008

Solid (monobloc) gear hobs with tenon drive or axial keyway, 0,5 to 40 module - Nominal dimensions

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 2 июня 2008 г.
ICS:: 21.200
Технический комитет:: ISEL - Mechanical elements

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Описание (английский):

ISO 2490:2007 specifies the nominal dimensions of general-purpose single-start solid (monobloc) gear hobs with axial keyway or tenon drive of 0,5 to 40 module. These hobs are intended for the production of gears which conform to ISO 54:1996 and present a 20° pressure angle in conformity with ISO 53:1998.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 2490:2007 specifies the nominal dimensions for general-purpose single-start solid (monobloc) gear hobs with either an axial keyway or a tenon drive, covering module sizes 0.5 to 40. These standardized gear hobs are intended to produce gears that conform to ISO 54:1996 and use the 20° pressure angle defined in ISO 53:1998. The third edition (2007) updates tables, figures and the informative annex on multi-thread hobs from the previous 1996 edition.

Key Topics

Scope: Single-start solid (monobloc) gear hobs with tenon drive or axial keyway, modules 0.5–40.

Nominal dimensions: Detailed hub, outside, and bore diameters plus overall and minimum hub lengths are provided in tables and a reference figure.

Tolerances: Dimensions D (outside diameter) and lengths L are to the “coarse” tolerance class per ISO 2768-1.

Interface details: Keyway dimensions reference ISO 240 (cutter arbors) and tenon-drive dimensions reference ISO 2780.

Multi-thread information: Annex A (informative) supplies guidance, outside-diameter tables and lead-angle data for multiple-thread hobs (multi-start hobs).

Compatibility: Hobs designed under ISO 2490 produce gears compatible with ISO 54 modules and the ISO 53 basic rack profile (20° pressure angle).

Reference figures & tables: Figure 1 and Tables 1–2 define typical series, hub types and manufacturer-discretion diameters.

Applications

Gear hob manufacturers use ISO 2490 to design and catalogue standard monobloc hobs for general-purpose gear cutting.

Tooling and machining shops use the standard to select compatible hobs for gear production, ensuring fit with arbors and tenon/keyway interfaces.

Gear designers and OEMs ensure that specified hobs will produce gears meeting ISO 54/ISO 53 geometry and pressure-angle requirements.

Procurement and quality teams reference the standard to verify nominal dimensions and coarse tolerances for purchased hobs.

Keywords: ISO 2490:2007, gear hobs, monobloc hobs, tenon drive, axial keyway, gear hob nominal dimensions, module 0.5–40, 20° pressure angle, gear manufacturing.

Related Standards

ISO 53:1998 - Standard basic rack tooth profile (20° pressure angle)

ISO 54:1996 - Cylindrical gears - Modules

ISO 240:1994 - Cutter arbor/keyway dimensions

ISO 2780:1986 - Tenon drive cutter interchangeability

ISO 2768-1:1989 - General tolerances (coarse class)

For implementation, consult the full ISO 2490:2007 document for tables, Figure 1, Annex A lead-angle guidance and exact nominal values.

SIST ISO 2490:2008 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

ISO 2490:2007

Solid (monobloc) gear hobs with tenon drive or axial keyway, 0,5 to 40 module — Nominal dimensions

ISO 54:1996

Cylindrical gears for general engineering and for heavy engineering — Modules

ISO 53:1998

Cylindrical gears for general and heavy engineering — Standard basic rack tooth profile

ISO 240:1994

Milling cutters — Interchangeability dimensions for cutter arbors or cutter mandrels

ISO 2780:1986

Milling cutters with tenon drive — Interchangeability dimensions with cutter arbors — Metric series

ISO 2768-1:1989

General tolerances — Part 1: Tolerances for linear and angular dimensions without individual tolerance indica…

SIST ISO 2768-1:1999

General tolerances -- Part 1: Tolerances for linear and angular dimensions without individual tolerance indic…

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