Unified system of design documentation. Thread image Unified system of design documentation. Thread image
Standardization. GOST 2.311-68 - Unified system of design documentation. Carving image. OKS: General provisions. Terminology. Standardization. Documentation, Technical drawings. GOST standards. Unified system of design documentation. .... class=text>
GOST 2.311-68
Unified system of design documentation. Thread image
GOST 2.311-68
Group T52
INTERSTATE STANDARD
Unified system of design documentation
IMAGE OF THREAD
Unified system for design documentation. Image of screw
ISS 01.100.20
Date of introduction 1971-01-01
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Committee of Standards, Measures and Measuring Instruments under the Council of Ministers of the USSR
2. APPROVED AND ENTERED INTO EFFECT by Resolution of the Committee of Standards, Measures and Measuring Instruments under the Council of Ministers of the USSR dated May 28, 1968 N 755
3. The standard corresponds to ST SEV 284-76
4. INSTEAD GOST 3459-59
5. EDITION (August 2007) with Amendment No. 1, approved in April 1987 (IUS 7-87)
1. This standard establishes the rules for depicting and applying thread designations on drawings of all industries and construction.
The standard corresponds to ST SEV 284-76.
2. The carving is depicted:
a) on the rod - with solid main lines along the outer diameter of the thread and solid thin lines - along the inner diameter.
In images obtained by projection onto a plane parallel to the axis of the rod, a continuous thin line along the internal diameter of the thread is drawn along the entire length of the thread without a runoff, and in views obtained by projection onto a plane perpendicular to the axis of the rod, an arc is drawn along the internal diameter of the thread, approximately equal to a circle open anywhere (Fig. 1, 2);
Damn.1
Damn.2
b) in the hole - with solid main lines along the internal diameter of the thread and solid thin lines - along the outer diameter.
On sections parallel to the axis of the hole, a continuous thin line along the outer diameter of the thread is drawn along the entire length of the thread without a runoff, and on images obtained by projection onto a plane perpendicular to the axis of the hole, an arc is drawn along the outer diameter of the thread, approximately equal to a circle, open at any place (Fig. 3, 4).
Damn.3
Damn.4
When depicting a thread, a solid thin line is applied at a distance of at least 0.8 mm from the main line and no more than the thread pitch.
3. The thread, shown as invisible, is depicted with dashed lines of the same thickness along the outer and inner diameters (Fig. 5).
Damn.5
4. The line defining the thread boundary is drawn on the rod and in the threaded hole at the end of the full thread profile (before the start of the run). The thread boundary is drawn to the line of the outer diameter of the thread and is depicted as a solid main or dashed line if the thread is depicted as invisible (Fig. 6-8).
Damn.6
Damn.7
Damn.8
5. Hatching in sections and sections is carried out to the line of the outer diameter of the thread on the rods and to the line of the internal diameter in the hole, i.e. in both cases to a solid main line (see drawings 3, 4, 7, 8).
6. The size of the thread length with a full profile (without run-out) on the rod and in the hole is indicated as shown in Figure 9 A and 10 A.
The size of the thread length (with run-out) is indicated as shown in Fig. 9 b and 10 b.
If it is necessary to indicate the amount of run-off on the rod, the dimensions are applied as shown in Fig. 9 V.
The thread run-out is depicted as a solid thin straight line, as shown in Fig. 9 b, V and 10 b.
Damn.9
Damn.10
An undercut of a thread made all the way is shown as shown in Fig. 11 A And V.
It is allowed to depict an undercut of the thread, as shown in Fig. 11 b And G.
7. The main plane of the conical thread on the rod, if necessary, is indicated by a thin solid line, as shown in Figure 12.
Damn.12
8. In drawings in which threads are not made, the end of a blind threaded hole may be depicted as shown in Figures 13 and 14, even if there is a difference between the depth of the thread hole and the length of the thread.
Damn.13
Damn.14
9. Chamfers on a threaded rod and in a threaded hole that do not have a special structural purpose are not shown in projection onto a plane perpendicular to the axis of the rod or hole (Fig. 15-17). A solid thin line depicting the thread on the rod should intersect the chamfer boundary line (see Fig. 15).
Damn.15
Damn.16
Damn.17
10. A thread with a non-standard profile is shown in one of the ways shown in Figure 18, with all the necessary dimensions and maximum deviations. In addition to the dimensions and maximum deviations of the thread, the drawing indicates additional data on the number of starts, the left direction of the thread, etc. with the addition of the word "Carving".
11. On the sections of a threaded connection in the image on a plane parallel to its axis, only the part of the thread that is not covered by the thread of the rod is shown in the hole (Fig. 19, 20).
Damn.19
Damn.20
12. Thread designations indicate, according to the relevant standards, the dimensions and maximum deviations of the threads and relate them for all threads, except conical and cylindrical pipe threads, to the outer diameter, as shown in Fig. 21, 22.
Damn.21
Damn.22
Designations for conical threads and cylindrical pipe threads are applied as shown in Fig. 23.
Damn.23
Note. The "*" sign marks the location where the thread designation is applied.
13. Special threads with a standard profile are abbreviated as Sp and a thread symbol.
(Changed edition, Amendment No. 1).
INTERSTATE STANDARD
UNIFIED SYSTEM OF DESIGN DOCUMENTATION
IMAGE OF THREAD
IPC PUBLISHING HOUSE OF STANDARDS
Moscow
INTERSTATE STANDARD
|
Unified system of design documentation IMAGETHREAD Unified system for design documentation. |
GOST |
Date of introduction 01.01.71
1. This standard establishes the rules for depicting and applying thread designations on drawings of all industries and construction.
The standard corresponds to ST SEV 284-76.
2. The carving is depicted:
a) on the rod - with solid main lines along the outer diameter of the thread and solid thin lines - along the inner diameter.
In images obtained by projection onto a plane parallel to the axis of the rod, a continuous thin line along the internal diameter of the thread is drawn along the entire length of the thread without a runoff, and in views obtained by projection onto a plane perpendicular to the axis of the rod, an arc is drawn along the internal diameter of the thread, approximately equal to 3/4 of a circle, open anywhere (Fig. , );
Crap. 1
Crap. 2
b) in the hole - with solid main lines along the internal diameter of the thread and solid thin lines - along the outer diameter.
On sections parallel to the axis of the hole, a continuous thin line along the outer diameter of the thread is drawn along the entire length of the thread without running, and on images obtained by projection onto a plane perpendicular to the axis of the hole, an arc approximately equal to 3/4 of the circle is drawn along the outer diameter of the thread, open anywhere (damn. , ).
Crap. 3
Crap. 4
When depicting a thread, a solid thin line is applied at a distance of at least 0.8 mm from the main line and no more than the thread pitch.
3. A thread shown as invisible is depicted with dashed lines of the same thickness along the outer and inner diameters (Fig. ).
Crap. 5
4. The line defining the thread boundary is drawn on the rod and in the threaded hole at the end of the full thread profile (before the start of the run). The thread boundary is drawn to the line of the outer diameter of the thread and is depicted as a solid main line or a dashed line if the thread is depicted as invisible (drawing -).
Crap. 6
Crap. 7
Crap. 8
5. Hatching in sections and sections is carried out to the line of the outer diameter of the thread on the rods and to the line of the internal diameter in the hole, i.e. in both cases to the solid main line (see drawing , , , ).
6. The length of the thread with a full profile (without run-out) on the rod and in the hole is indicated as shown in Fig. A and damn. A.
The thread length (with run-out) is indicated as shown in Fig. b and damn. b.
If it is necessary to indicate the amount of run-off on the rod, the dimensions are applied as shown in Fig. V.
The run of the thread is depicted as a solid thin straight line, as shown in Fig. b, V and damn. b.
Crap. 9
Crap. 10
An undercut of a thread made all the way is depicted as shown in Fig. A And V.
It is allowed to depict an undercut of the thread, as shown in Fig. b And G.
Crap. eleven
(Changed edition, Amendment No. 1).
7. The main plane of the conical thread on the rod, if necessary, is indicated by a thin solid line, as shown in Fig. .
Crap. 12
8. In drawings in which threads are not made, the end of a blind threaded hole may be depicted as shown in Fig. and, even if there is a difference between the depth of the thread hole and the length of the thread.
Crap. 13
Crap. 14
9. Chamfers on a threaded rod and in a threaded hole that do not have a special structural purpose are not shown in projection onto a plane perpendicular to the axis of the rod or hole (Fig. -). A solid thin line depicting the thread on the rod should intersect the chamfer boundary line (see drawing).
Crap. 15
Crap. 16
Crap. 17
10. A thread with a non-standard profile is shown in one of the ways shown in Fig. , with all necessary dimensions and maximum deviations. In addition to the dimensions and maximum deviations of the thread, the drawing indicates additional data on the number of starts, the left direction of the thread, etc. with the addition of the word "Carving".
Crap. 18
11. On the sections of a threaded connection in the image on a plane parallel to its axis, only the part of the thread that is not covered by the thread of the rod is shown in the hole (Fig.
GOST 2.311-68
INTERSTATE STANDARD
UNIFIED SYSTEM OF DESIGN DOCUMENTATION
IMAGE OF THREAD
The standard corresponds to ST SEV 284-76.
2. The carving is depicted:
a) on the rod - with solid main lines along the outer diameter of the thread and solid thin lines - along the inner diameter.
In images obtained by projection onto a plane parallel to the axis of the rod, a continuous thin line along the internal diameter of the thread is drawn along the entire length of the thread without a runoff, and in views obtained by projection onto a plane perpendicular to the axis of the rod, an arc is drawn along the internal diameter of the thread, approximately equal to 3/4 of a circle, open anywhere (Fig. 1, 2);
b) in the hole - with solid main lines along the internal diameter of the thread and solid thin lines - along the outer diameter.
On sections parallel to the axis of the hole, a continuous thin line along the outer diameter of the thread is drawn along the entire length of the thread without running, and on images obtained by projection onto a plane perpendicular to the axis of the hole, an arc approximately equal to 3/4 of the circle is drawn along the outer diameter of the thread, open anywhere (Fig. 3, 4).
3. The thread, shown as invisible, is depicted with dashed lines of the same thickness along the outer and inner diameters (Fig. 5).
4. The line defining the thread boundary is drawn on the rod and in the threaded hole at the end of the full thread profile (before the start of the run). The thread boundary is drawn to the line of the outer diameter of the thread and is depicted as a solid main or dashed line if the thread is depicted as invisible (Fig. 6-8).
5. Hatching in sections and sections is carried out to the line of the outer diameter of the thread on the rods and to the line of the internal diameter in the hole, i.e. in both cases to a solid main line (see drawings 3, 4, 7, 8).
6. The length of the thread with a full profile (without run-out) on the rod and in the hole is indicated as shown in Fig. 9 A and damn. 10 A.
The thread length (with run-out) is indicated as shown in Fig. 9 b and damn. 10 b.
If it is necessary to indicate the amount of run-off on the rod, the dimensions are applied as shown in Fig. 9 V.
The run of the thread is depicted as a solid thin straight line, as shown in Fig. 9 b, V and damn. 10 b.
It is allowed to depict an undercut of the thread, as shown in Fig. eleven b And G.
7. The main plane of the conical thread on the rod, if necessary, is indicated by a thin solid line, as shown in Fig. 12.
8. In drawings in which threads are not made, the end of a blind threaded hole may be depicted as shown in Fig. 13 and 14, even if there is a difference between the depth of the thread hole and the length of the thread.
9. Chamfers on a threaded rod and in a threaded hole that do not have a special structural purpose are not shown in projection onto a plane perpendicular to the axis of the rod or hole (Fig. 15-17). A solid thin line of the thread image on the rod should intersect the chamfer boundary line (see Fig. 15).
10. A thread with a non-standard profile is shown in one of the ways shown in Fig. 18, with all necessary dimensions and maximum deviations. In addition to the dimensions and maximum deviations of the thread, the drawing indicates additional data on the number of starts, the left direction of the thread, etc. with the addition of the word "Carving".
11. On sections of a threaded connection in the image on a plane parallel to its axis, only the part of the thread that is not covered by the thread of the rod is shown in the hole (Fig. 19, 20).
12. Thread designations indicate, according to the relevant standards, the dimensions and maximum deviations of the threads and relate them for all threads, except conical and cylindrical pipe threads, to the outer diameter, as shown in Fig. 21, 22.
Designations for conical threads and cylindrical pipe threads are applied as shown in Fig. 23.
Note. The “*” sign marks the location where the thread designation is applied.
13. Special threads with a standard profile are abbreviated as Sp and a thread symbol.
(Changed edition, Amendment No. 1).
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Committee of Standards, Measures and Measuring Instruments under the Council of Ministers of the USSR
2. APPROVED AND ENTERED INTO EFFECT by the Decree of the Committee of Standards, Measures and Measuring Instruments under the Council of Ministers of the USSR in December 1967.
3. The standard corresponds to ST SEV 284-76
4. INSTEAD GOST 3459-59
5. EDITION (August 2007) with Change No. 1, approved in April 1987 (IUS 7-87)
GOST 2.311-68
Group T52
INTERSTATE STANDARD
Unified system of design documentation IMAGE OF THREAD
Unified system for design documentation. Image of screw
ISS 01.100.20
Date of introduction 1971-01-01
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Committee of Standards, Measures and Measuring Instruments under the Council of Ministers of the USSR
2. APPROVED AND ENTERED INTO EFFECT by Resolution of the Committee of Standards, Measures and Measuring Instruments under the Council of Ministers of the USSR dated May 28, 1968 N 755
3. The standard complies with ST SEV 284-76
4. INSTEAD GOST 3459-59
5. EDITION (August 2007) with Amendment No. 1, approved in April 1987 (ICS 7-87)
1. This standard establishes the rules for depicting and applying thread designations on drawings of all industries and construction.
The standard corresponds to ST SEV 284-76.
2. The carving is depicted:
a) on the rod - with solid main lines along the outer diameter of the thread and solid thin lines - along the inner diameter.
In images obtained by projection onto a plane parallel to the axis of the rod, a continuous thin line along the internal diameter of the thread is drawn along the entire length of the thread without a runoff, and in views obtained by projection onto a plane perpendicular to the axis of the rod, along
an arc approximately equal to a circle is drawn to the inner diameter of the thread, open anywhere (Fig. 1, 2);
b) in the hole - with solid main lines along the internal diameter of the thread and solid thin lines - along the outer diameter.
On sections parallel to the axis of the hole, a continuous thin line along the outer diameter of the thread is drawn along the entire length of the thread without running, and on images obtained by projection onto a plane perpendicular to the axis of the hole, an arc is drawn along the outer diameter of the thread,
approximately equal to a circle, open anywhere (Fig. 3, 4).
When depicting a thread, a solid thin line is applied at a distance of at least 0.8 mm from the main line and no more than the thread pitch.
3. The thread, shown as invisible, is depicted with dashed lines of the same thickness along the outer and inner diameters (Fig. 5).
4. The line defining the thread boundary is drawn on the rod and in the threaded hole at the end of the full thread profile (before the start of the run). The thread boundary is drawn to the line of the outer diameter of the thread and is depicted as a solid main or dashed line if the thread is depicted as invisible (Fig. 6-8).
5. Hatching in sections and sections is carried out to the line of the outer diameter of the thread on the rods
And to the line of the internal diameter in the hole, i.e. in both cases up to the solid main line
(see drawings 3, 4, 7, 8).
6. The size of the thread length with a full profile (without run-out) on the rod and in the hole is indicated as shown in Figures 9a and 10a.
The size of the thread length (with run-off) is indicated as shown in Figures 9b and 10b.
If it is necessary to indicate the amount of run-off on the rod, the dimensions are applied as shown in Fig. 9c.
The thread run-out is depicted as a solid thin straight line, as shown in Fig. 9b, c and 10b.
An undercut of a thread made all the way is shown as shown in Fig. 11a and c.
It is allowed to depict an undercut of the thread, as shown in Fig. 11b and d.
7. The main plane of the conical thread on the rod, if necessary, is indicated by a thin solid line, as shown in Figure 12.
8. In drawings in which threads are not made, the end of a blind threaded hole may be depicted as shown in Figures 13 and 14, even if there is a difference between the depth of the thread hole and the length of the thread.
9. Chamfers on a threaded rod and in a threaded hole that do not have a special structural purpose are not shown in projection onto a plane perpendicular to the axis of the rod or hole (Fig. 15-17). A solid thin line depicting the thread on the rod should intersect the chamfer boundary line (see Fig. 15).
10. A thread with a non-standard profile is shown in one of the ways shown in Figure 18, with all the necessary dimensions and maximum deviations. In addition to the dimensions and maximum deviations of the thread, the drawing indicates additional data on the number of starts, the left direction of the thread, etc. with the addition of the word "Carving".
11. On the sections of a threaded connection in the image on a plane parallel to its axis, only the part of the thread that is not covered by the thread of the rod is shown in the hole (Fig. 19, 20).
12. Thread designations indicate, according to the relevant standards, the dimensions and maximum deviations of the threads and relate them for all threads, except conical and cylindrical pipe threads, to the outer diameter, as shown in Fig. 21, 22.
Designations for conical threads and cylindrical pipe threads are applied as shown in Fig. 23.
Note. The "*" sign marks the location where the thread designation is applied.
13. Special threads with a standard profile are abbreviated as Sp and a thread symbol.
(Changed edition, Amendment No. 1).
The electronic text of the document was prepared by Kodeks JSC and verified against: official publication
Unified system of design documentation: Sat. GOST. - M.: Standartinform, 2007
ESKD GOST 2.311-68 Thread image
The carving is depicted:a) on the rod - with solid main lines along the outer diameter of the thread and solid thin lines - along the inner diameter.
In images obtained by projection onto a plane parallel to the axis of the rod, a continuous thin line along the internal diameter of the thread is drawn along the entire length of the thread without a runoff, and in views obtained by projection onto a plane perpendicular to the axis of the rod, an arc approximately equal to 3 is drawn along the internal diameter of the thread /4 circles, open anywhere (Fig. 1, 2)
Figure 1. Illustration of a cylindrical thread on a rod
Figure 2. Illustration of a tapered thread on a rod
b) in holes - with solid main lines along the internal diameter of the thread and solid thin lines - along the outer diameter.
On sections parallel to the axis of the hole, a continuous thin line along the outer diameter of the thread is drawn along the entire length of the thread without running, and on images obtained by projection onto a plane perpendicular to the axis of the hole, an arc approximately equal to 3/4 of the circle, open, is drawn along the outer diameter of the thread anywhere (Fig. 3, 4)
Figure 3. Illustration of a cylindrical thread in a hole
Figure 4. Illustration of tapered threads in a hole
When depicting a thread, a solid thin line is applied at a distance of at least 0.8 mm from the main line and no more than the thread pitch.
A thread shown as invisible is depicted with dashed lines of the same thickness along the outer and inner diameters (Fig. 5).
Figure 5. Image of invisible thread
The line defining the thread boundary is drawn on the rod and in the threaded hole at the end of the full thread profile (before the start of the run). The thread boundary is drawn to the line of the outer diameter of the thread and is depicted as a solid main or dashed line if the thread is depicted as invisible (Fig. 6, 7, 8).
Figure 6. Image of the border of a cylindrical thread on a rod
Hatching in sections and sections is carried out to the line of the outer diameter of the thread on the rods and to the line of the internal diameter in the hole, i.e. in both cases to a solid main line (see Fig. 3, 4, 7, 8).
| 
|
Figure 7. An example of a cross-sectional image of a thread in a hole | Figure 8. An example of a cross-sectional image of a thread on a rod |
The length of the thread with a full profile (without run-out) on the rod and in the hole is indicated as shown in Fig. 9a and 10a.
The thread length (with run-out) is indicated as shown in Fig. 9b and 10b.
If it is necessary to indicate the amount of run-off on the rod, the dimensions are applied as shown in Fig. 9th century
The thread run-out is depicted as a solid thin straight line, as shown in Fig. 9b, 9c, and 10b.
An undercut of a thread made all the way is shown as shown in Fig. 11a and 11c.
It is allowed to depict an undercut of the thread, as shown in Fig. 11b and 11d.
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|
|
|
A) | b) | V) | G) |
Figure 11. Examples of images of undercut threads |
|||
The main plane of the conical thread on the rod, if necessary, is indicated by a thin solid line, as shown in Fig. 12.
Figure 12. Indicating the main plane of a tapered thread on a rod
In drawings in which threads are not made, the end of a blind threaded hole may be drawn as shown in Fig. 13 and 14, even if there is a difference between the depth of the thread hole and the length of the thread.
A solid thin line of the thread image on the rod should intersect the chamfer boundary line (see Fig. 15).
Chamfers on a threaded rod and in a threaded hole that do not have a special structural purpose are not shown in projection onto a plane perpendicular to the axis of the rod or hole (Fig. 15, 16, 17).
Figure 15. Illustration of a chamfer on a threaded rod
A thread with a non-standard profile is shown in one of the ways shown in Fig. 18 with all necessary dimensions and maximum deviations. In addition to the dimensions and maximum deviations of the thread, the drawing indicates additional data on the number of starts, the left direction of the thread, etc. with the addition of the word "Carving".
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