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GB/T 32537-2016: Runouts, undercuts and chamfers for trapezoidal and buttress threads
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32537-2016 | English | 219 |
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Runouts, undercuts and chamfers for trapezoidal and buttress threads
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GB/T 32537-2016
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Basic data | Standard ID | GB/T 32537-2016 (GB/T32537-2016) | | Description (Translated English) | Runouts, undercuts and chamfers for trapezoidal and buttress threads | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 12.040.01 | | Word Count Estimation | 11,178 | | Date of Issue | 2016-02-24 | | Date of Implementation | 2016-09-01 | | Regulation (derived from) | National Standard Announcement No | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 32537-2016: Runouts, undercuts and chamfers for trapezoidal and buttress threads---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Runouts, undercuts and chamfers for trapezoidal and buttress threads
ICS 12.040.01
J04
National Standards of People's Republic of China
Trapezoid thread and serrated ending, shoulder distance,
Undercuts and chamfers
Issued on. 2016-02-24
2016-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the National Standardization Technical Committee thread (SAC/TC108) and focal points.
This standard is drafted by. Suzhou Edmond Control System Co., Ltd., machine Productivity Promotion Center.
The main drafters. Zhang Xu increase, Li Xiaobin, Yu Mao Di.
Trapezoid thread and serrated ending, shoulder distance,
Undercuts and chamfers
1 Scope
This standard specifies the trapezoidal thread (Tr) and serrated thread (B) ending, from the shoulder, undercuts and chamfer dimensions. (All parts) of the trapezoidal thread screw and serrated conform to GB/T 5796 (all parts) and GB/T 13576 regulations.
This standard applies to trapezoidal thread screw and serrated product design and processing.
2 Normative references
The following documents for the application of this document is essential. For cited documents with dates, only the dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 5796 (all parts) trapezoidal thread
GB/T 13576 (all parts) zigzag (3 °, 30 °) Thread
3 Size Code
P --- Pitch
d --- external threads of the large diameter (nominal diameter)
D --- threaded large diameter (nominal diameter)
x --- external thread ending length
X --- ending internal thread length
a --- externally threaded length from shoulder
A --- threaded length from shoulder
dg --- external thread undercut bottom diameter
Dg --- internal thread undercut bottom diameter
g1 --- external thread undercut bottom width
g2 --- external thread undercut total width
G1 --- internal thread undercut bottom width
r --- arc radius undercut groove bottom and the side of the threaded connection
Arc radius R --- internal thread undercut and groove bottom side connected
4 external thread
4.1 external thread type and size and ending shoulder distance shall comply with Figure 1 and Table 1.
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