ISO 3070-1-2007 PDF

Full title and description

ISO 3070-1:2007 — Machine tools — Test conditions for testing the accuracy of boring and milling machines with horizontal spindle — Part 1: Machines with fixed column and movable table. This part specifies geometric tests, machining tests and CNC positioning checks with associated tolerances for general-purpose horizontal-spindle boring and milling machines having a fixed column and a movable table.

Abstract

ISO 3070-1:2007 defines test conditions and acceptance tolerances for verification of the accuracy and repeatability of positioning of horizontal-spindle boring and milling machines with a fixed column and movable table. The standard references and complements ISO 230-1 and ISO 230-2 and covers geometric and machining tests, plus numerical-control positioning tests. It describes the machine axes typically involved (longitudinal and transverse table movements, vertical spindle-head movement, boring spindle/ram movement and optional radial facing-slide movement) and specifies that the document addresses accuracy verification only (not operational checks such as vibration, noise or speed/feed characteristics).

General information

• Status: Published (3rd edition, confirmed)
• Publication date: 10 December 2007 (ISO publication; confirmation review completed 19 February 2025)
• Publisher: International Organization for Standardization (ISO)
• ICS / categories: 25.080.20 — Machine tools
• Edition / version: Edition 3 (2007)
• Number of pages: 51

Scope

Specifies test procedures and applicable tolerances for assessing the geometric accuracy, machining performance and CNC positioning repeatability of horizontal-spindle boring and milling machines with a fixed column and movable table. Applies to machines having longitudinal (Z) and transverse (X) table movements, vertical (Y) movement of the spindle head, movement of the boring spindle or ram (W) and, where fitted, radial facing-slide feed (U). The standard is limited to accuracy verification and does not cover operational characteristics (e.g. vibration, abnormal noise, speed or feed tests).

Key topics and requirements

• Definition of test setups and reference geometries for geometric tests (straightness, flatness, squareness, repeatability).
• Machining test procedures to evaluate real-world accuracy (test pieces, test cuts and measurement of deviations).
• Verification of CNC positioning accuracy and repeatability for controlled axes.
• Specification of tolerances corresponding to the required accuracy classes for the tests.
• References to ISO 230-1 and ISO 230-2 for general test principles and environmental/preparatory conditions.
• Axis identification and description relevant to horizontal-spindle machines (X, Y, Z, W, U as applicable).
• Guidance on test sequence, measurement methods and documentation of results for acceptance/verification purposes.

Typical use and users

Used by machine-tool manufacturers, quality and inspection departments, machine acceptance teams, independent test laboratories, purchasers and end-users performing acceptance or periodic verification of boring and milling machines, and by certification/accreditation bodies. Also used by designers and researchers concerned with machine-tool metrology and performance evaluation.

Related standards

Standards commonly used with ISO 3070-1:2007 include ISO 230-1 and ISO 230-2 (test code for machine tools), other parts of the ISO 3070 series (e.g., the corresponding Part 2 for machines with movable column and fixed table) and national/adopted versions (for example BS ISO 3070-1:2007). Earlier withdrawn editions of ISO 3070-1 (1975, 1987) are superseded by this edition.

Keywords

machine tools, boring machine, milling machine, horizontal spindle, test conditions, accuracy tests, geometric tests, machining tests, CNC positioning, tolerances, ISO 230

FAQ

Q: What is this standard?

A: ISO 3070-1:2007 is an ISO standard that specifies test conditions and tolerances for verifying the accuracy of horizontal-spindle boring and milling machines with a fixed column and movable table.

Q: What does it cover?

A: It covers geometric tests, machining tests and CNC positioning/repeatability tests and gives the applicable tolerances. It does not cover operational checks like vibration, abnormal noise, or performance parameters such as speeds and feeds.

Q: Who typically uses it?

A: Machine tool manufacturers, acceptance inspectors, quality-control and metrology laboratories, purchasers performing acceptance tests, and accreditation bodies use this standard.

Q: Is it current or superseded?

A: This is the 3rd edition published in December 2007 and, as reviewed, remains published and confirmed (review completed February 19, 2025). It is the active edition for Part 1 as of March 1, 2026.

Q: Is it part of a series?

A: Yes. It is part of the ISO 3070 series for test conditions of boring and milling machines (multiple parts addressing different machine configurations) and is used alongside the ISO 230 series, which contains general machine-tool test codes.

Q: What are the key keywords?

A: machine tools, boring, milling, horizontal spindle, accuracy, test conditions, geometric tests, machining tests, CNC positioning, tolerances.