Test Conditions for Boring and Milling Machines with Horizontal Spindle - Testing Of the Accuracy - Part 3: Floor Type Machines with Detached, Stationary Work-Holding Table
1 Scope
This Part of GB/T 5289 specifies the testing of the geometric accuracy, working accuracy, digital control setting accuracy and resetting accuracy, and the corresponding tolerance for floor type machines with detached, stationary work-holding table (hereinafter referred to as floor type boring and milling machines with horizontal spindle).
This Part is applicable to the general-purpose ordinary and digital control floor-type boring and milling machines with horizontal spindle.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB/T 1182-1996 Geometrical tolerance - Generalities, definitions, symbols, indications on drawings
GB/T 17421.1-1998 Test code for machine tools--Part 1: Geometric accuracy of machines operating under no-load or finishing conditions (eqv ISO 230-1: 1996)
GB/T 17421.2-2000 Test code for machine tools--Part 2: Determination of accuracy and repeatability of positioning numerically controlled axes (eqv ISO 230-2: 1997)
3 Naming of Axis-movement Coordinate
3.1 See Figure 1 for the naming of Axis-movement coordinate in this Part.
Contents
Foreword i
1 Scope
2 Normative References
3 Naming of Axis-movement Coordinate
4 General Requirements
5 Testing of the Geometric Accuracy
5.1 Straightness and Angular Deviation of Coordinate Axes
5.2 Verticality between Coordinate Axes
5.3 Detached, Stationary Work-Holding Machine Table
5.4 Boring Spindle
5.5 Milling Spindle
5.6 Ram
5.7 Stationary Fancing Head
5.8 Radial Slide Block Movement (U-axis)
6 Testing of the Working Accuracy
7 Testing of the Digital Control Setting Accuracy and Resetting Accuracy
Annex A (Informative) Technical Differences and the Reasons between This Part and ISO 3070-3:
References
