FORM AND LOCATION TOLERANCES - Meusburger
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SYMBOL AND TOLERANCED FEATURES DRAWING ENTRY AND EXPLANATION DRAWING ENTRY TOLERANCE ZONE EXPLANATION Straightness Ø 0,08 Ø t Ø t Ø 0,08 The extracted (actual) axis of the cylinder to which the tolerance applies must lie within a cylindrical tolerance zone of diameter 0.08. Flatness 0,08 t t 0,08 The extracted (actual) surface must lie between two parallel planes 0.08 apart. Roundness 0,1 t 0,1 t The extracted (actual) circumferential line of each cross- section of the conical surface must lie between two concen- tric circles in the same plane with a radial distance of 0.1. Cylindricity 0,1 t 0,1 t The extracted (actual) cylindrical surface must lie between two coaxial cylinders with a radial difference of 0.1. Profile of any line 0,04 Ø t 0,04 t In each section, parallel to the plane of projection in which the indication is shown, the extracted (actual) profile line must lie between two equidistant lines enclosing circles of diameter 0.04, the centres of which are situated on a line of geometrically ideal form. Profile of any surface 0,02 Ø t 0,02 t The extracted (actual) surface must lie between two equidistant surfaces enclosing spheres with a diameter of 0.02, the centres of which are situated on a surface of geometrically ideal form. Parallelism of a line (axis) to a datum axis Ø 0,03 A A Ø t Ø 0,03 A A The extracted (actual) median line must be within a cylindrical zone of diameter 0.03, parallel to the datum axis A. Parallelism tolerance of a surface related to a datum surface. Ø 0,01 D D t The extracted (actual) surface must lie between two planes parallel to datum plane D at a distance of 0.01. Perpendicularity of a line (axis) to a surface Ø 0,01 A A Ø t Ø 0,01 A A The extracted (actual) median line of the cylinder must lie perpendicular within the datum plane A. The cylinder must have a diameter of 0.01. Angularity of a line (axis) to a datum surface Ø 0,01 A B 60° A B 60° Ø t a b α Ø t The extracted (actual) median line must be within a cylindrical tolerance zone of diameter 0.1 that is parallel to datum plane B and inclined at a theoretically exact angle of 60° to datum plane A. Position of a line B A C 68 100 Ø 0,08 A B C Ø t 20 20 Ø 0,08 t 20 20 The extracted (actual) median line must be within a cylindrical tolerance zone of diameter 0.08, the axis of which coincides with the theoretically exact position of the considered hole, with respect to datum planes C, A and B. Concentricity of an axis Ø Ø B A Ø 0,08 A – B Ø Ø t Ø Ø 0,08 t A The extracted (actual) median line of the large cylinder must lie within a cylindrical tolerance zone of diameter 0.08, the axis of which is the common datum axis A-B. Symmetry of a central plane Ø 0,08 A A t A t/2 t/2 Ø 0,08 The extracted (actual) median surface must be between two parallel planes 0.08 apart, which are symmetrical to the datum median plane A. Radial runout A B 0,1 A – B t Ø Ø 0,1 t A The extracted (actual) line in each cross section perpendicular to the common datum axis A-B must lie between two concentric circles in the same plane with a distance of 0.1. Axial runout 0,1 D D t t Ø 0,1 A t The extracted (actual) line, in any cylindrical section, the axis of which corresponds to datum axis D, must lie between two circles 0.1 apart. Total runout B A 0,1 A – B t Ø 0,1 The extracted (actual) surface must lie between two coaxial cylinders with a radial distance of 0.1 whose axes coincide with the common datum axis A-B. Total runout surfaces at right angles D 0,1 D t The extracted (actual) surface must lie between two parallel planes 0.1 apart, which are perpendicular to datum axis D. X16749-V1-04/19-EN Order now from our web shop! www.meusburger.com FORM TOLERANCES DIRECTIONAL TOLERANCES LOCATION TOLERANCES RUNOUT TOLERANCES Dimensions in mm Extract from DIN ISO 1101 FORM AND LOCATION TOLERANCES
Transcript of FORM AND LOCATION TOLERANCES - Meusburger
SYMBOL AND TOLERANCED FEATURESDRAWING ENTRY AND EXPLANATION
DRAWING ENTRY TOLERANCE ZONE EXPLANATION
Straightness
Ø 0,08
Ø t
Ø t
Ø 0,08
The extracted (actual) axis of the cylinder to which the tolerance applies must lie within a cylindrical tolerance zone of diameter 0.08.
Flatness
0,08
t
t0,08
The extracted (actual) surface must lie between two parallel planes 0.08 apart.
Roundness
0,1t
0,1
t The extracted (actual) circumferential line of each crosssection of the conical surface must lie between two concentric circles in the same plane with a radial distance of 0.1.
Cylindricity
0,1t
0,1
t
The extracted (actual) cylindrical surface must lie between two coaxial cylinders with a radial difference of 0.1.
Profile of any line
0,04
Ø t
0,04t
In each section, parallel to the plane of projection in which the indication is shown, the extracted (actual) profile line must lie between two equidistant lines enclosing circles of diameter 0.04, the centres of which are situated on a line of geometrically ideal form.
Profile of any surface0,02
Ø t
0,02
t
The extracted (actual) surface must lie between two equidistant surfaces enclosing spheres with a diameter of 0.02, the centres of which are situated on a surface of geometrically ideal form.
Parallelism of a line (axis) to a datum axis
Ø 0,03 A
A
Ø t
Ø 0,03 A
A
The extracted (actual) median line must be within a cylindrical zone of diameter 0.03, parallel to the datum axis A.
Parallelism tolerance of a surface related to a datum surface.
Ø 0,01
D
D
t The extracted (actual) surface must lie between two planes parallel to datum plane D at a distance of 0.01.
Perpendicularity of a line (axis) to a surface
Ø 0,01 A
A
Ø t
Ø 0,01 A
A
The extracted (actual) median line of the cylinder must lie perpendicular within the datum plane A. The cylinder must have a diameter of 0.01.
Angularity of a line (axis) to a datum surface
Ø 0,01 A B
60°
AB
60°
Ø t
a
b α
Ø t
The extracted (actual) median line must be within a cylindrical tolerance zone of diameter 0.1 that is parallel to datum plane B and inclined at a theoretically exact angle of 60° to datum plane A.
Position of a line
B
A
C
68
100
Ø 0,08 A B C
Ø t
20
20
Ø 0,08 t
20 20
The extracted (actual) median line must be within a cylindrical tolerance zone of diameter 0.08, the axis of which coincides with the theoretically exact position of the considered hole, with respect to datum planes C, A and B.
Concentricity of an axis
ØØ
BA
Ø 0,08 A – B
Ø
Ø t
Ø
Ø 0,08
t
A The extracted (actual) median line of the large cylinder must lie within a cylindrical tolerance zone of diameter 0.08, the axis of which is the common datum axis AB.
Symmetry of a central plane
Ø 0,08 AA
t
At/2
t/2
Ø 0,08
The extracted (actual) median surface must be between two parallel planes 0.08 apart, which are symmetrical to the datum median plane A.
Radial runout
A B
0,1 A – B t
Ø
Ø
0,1
t
A The extracted (actual) line in each cross section perpendicular to the common datum axis AB must lie between two concentric circles in the same plane with a distance of 0.1.
Axial runout
0,1 D
D t
t
Ø
0,1
A
t
The extracted (actual) line, in any cylindrical section, the axis of which corresponds to datum axis D, must lie between two circles 0.1 apart.
Total runout
BA
0,1 A – B
t
Ø
0,1
The extracted (actual) surface must lie between two coaxial cylinders with a radial distance of 0.1 whose axes coincide with the common datum axis AB.
Total runout surfaces at right angles
D
0,1 D t
The extracted (actual) surface must lie between two parallel planes 0.1 apart, which are perpendicular to datum axis D.
X16749V104/19EN
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FORM AND LOCATION TOLERANCES
