Some standard content:
CB/T 3934—2003
This standard is based on IS)-5023[S—Metric fuel line test 3 (1996 English stock \ to B/T3034-983 common fuel system standard 3 revision,
not standard 15)102:193 of our seat modification, the main differences are as follows: According to GH/11,1 "2000" to modify the format: one is not selected, please use two ring gauges, two calipers, and the end of the adjustable ring gauge is called the stop end. The tolerance band used for the proofreading period is
in Table 10 and 11 for the public test. The upper deviation of the external price of the second piece has a symbol and the formula in Table 3 and Table 11 of I51502:1995 is. 1. Here is the absolute estimate of the upper deviation of the external screw thread of the industrial cowhide [SC1302:19051J:;
Figure 3, the large and small lines in the middle mark are the intersection of the tooth surface and the tooth, and the large and small diameter dimensions in Table 11 are the intersection straight line: and 1s502, 1 Figure 3, Figure 6, the marked position of the day and small grid in the figure is the tooth relative, clothing 10, table 11, table 13. Table 13 ten public reach the big and small diameter size is the mutual diameter at the bottom of the tooth; increase table 14,.
rate standard from the actual short month, replace GT1/TS141983 first through the depth number thickness specification 3. Wood standard horse TT38341953 relative main changes are as follows: you change "standard name:
added table 3 table 4, table 7 household = 8 each size reverse add "inspection requirements car version || tt||The workpiece explosion effect is reasonable and unqualified (93 grade 1.4, 1.5, .5> Appendix A and Appendix 1 of the standard are normative, and Appendix H is an informative appendix. The standard was issued by the China Machinery Industry Association. The National Standardization Technical Committee (SACrC12) was unified, and this standard was drafted by the Ministry of Industry and Information Technology Co., Ltd. The drafter of this standard is Liu Hong,
The versions of the standards represented by this standard are: -GB/T 3332—198.
1 Scope
Technical conditions for ordinary thread gauges
FB/T3934—2003bZxz.net
This standard specifies the technical definition, specifications, symbols, opening type, difference, requirements, inspection, disassembly and packaging of ordinary thread gauges. This standard is applicable to ordinary thread gauges with a thread type of 50 mm, a nominal diameter of 1 mm to 355 mm, a pitch of 0.2 mm and a frequency of 8 mm.
The general operation of the ordinary thread gauges specified in this standard is based on the following simple rules: The system is applicable to the inspection of the general explosion specified in GB/T20C3, H/1-200:. GB/T16-2J03, GR/T197-7093. 2 Normative references || TT || The following documents are quoted in this standard and become the recommended series of this standard through reference. For dated references, all subsequent sample documents (excluding the contents of the survey) or revisions shall not apply to this standard. However, it is encouraged that the parties who have reached an agreement based on this standard shall study whether the latest versions of these documents can be used. For referenced documents without a specific date, the latest version shall apply to this standard. GB/192-203 basic tooth type for general purpose screw threads (18U581:1958.MOI) GB193-0G3 ordinary screw diameter and frequency system [SO:MOCB/T194-200S ordinary explosion system tea size CB/T197-2063 ordinary smoke tolerance (10S65-:1998.MOI) 3 terms and definitions
GH:192-25, CB/T193-200S.GB/T196-2303GB/T197·2003 and the following technical information and definitions are specified in this standard.
Our screw sensitivity gauges for general purpose screw threads have standard working medium efficiency and single, and need to be used as a visual measuring instrument for the internal and external separation of the grain. They can be divided into: working medium grain gauges and comparison grain gauges.
Working screw sensitive drawing gauge warkiuggavgesForgeneralpurpuseserewThrcats author production legacy process of screw comparison ten still hope teaching quantity department 3.3
Proofreading screw pull gauge rlheckgagesfnrgeneralpurpose&crewthreads in the production of suitable work. Work payment comparison ring gauge into the use of "work screw grade ring degree product! Deer sound used in the explosion sensitive gauge, 4 classification
4.1 The explosion pattern disk name listed in Table 1. Code, use regulations apply to the following standards. 4.2 Inspection workpiece exhaustion pattern of optical electrode channel good rules see Appendix A. 3
GE/T 3934—2003
Explosive effect car hospital
Stop ground explosive effect production machine
Xie end ban pull no point
Stop frequency increase test ring expansion
"Comparison-adjustment" gland effect close bad
"Avoid-1."Image effect space
"Calibration-machine\Entertainment modification plan
"Calibration stop adjustment" with this close but
"Calibration on·correct" screw collection invitation rules
"Calibration-root absorption efficiency secret regulations
combination and work efficiency purchase
full permission, the frequency of the internal alliance efficiency network benefit letter public assistance, the period of combination should not exceed two times (the benefit time is!, the internal efficiency of the section work is less than one or three, and the combination does not exceed two effects
full calculation; 1 item external efficiency of the two separation types can contain, the combination should be six phases through two screw inspections (language out of the current measurement), if the workpiece internal screw efficiency is less than one or one Three, should not be personally adjusted by the end screw teaching report can be combined with the river type
allow \ adjustment end screw more than part of the ring gauge, the combined quantity should not be measured (delayed small check plate"
should, the upper frequency effect ring gauge release medium over
allow and stop end screw also observe the range of this part of its will, the release of the most should not be with a center noise distance; crown craftsman time-consuming measurement!
listed in Table 2 guide and description Applicable to this standard, covering the large diameter of the internal and external screws of the workpiece, the small diameter of the internal screw of the workpiece, the minor repair of the internal thread of the workpiece, the original angle of the external screw system, the minor tolerance of the workpiece special group, the minor tolerance of the internal thread of the workpiece ... The sister of the outer dry pattern
through my baby effect wind over, stop end cap effect ring gauge middle diameter tolerance all over feed effect plug pry upper end frequency pattern ink gauge middle grid public pad proofreading screw effect cumulative gauge release ten diameter public relations
frequency politics its gauge type courtyard public left
Di teaching teaching association public belt heart work external economics he created the heart business has through end idea effect instrument gauge middle tolerance hope center practice to 1 nature inside benefit relatively middle diameter lower through stem of the same minister from day full micro limit effect real city (or ring gauge) middle diameter public belt The center of the money is allowed to report the light prosperous ratio between the residence and the plastic requirement (the link ring is 4. The center of the belt is the limit of the torque limit of the country. The product is reported by the public with the ten-heart number of the thread damage report. The whole "epidemic pass-through\" or\right stop-through\yao efficiency fee wants to be the center of the light public hope with the center line between the high complete tooth plate
girl screw grade tooth half-bias pad
into the test explosion effect type of medical wisdom ten-heart war relative to the medium-induced inch center line of the fullness of the girl pregnancy chapter ten thousand
Table 2 (domain)
GB/T3934—2003
, in the short screw effect and the axis of some, the radial distance between the two sides of the item in the period of stimulation bite is recorded, from the middle of the process to the tooth measurement and other parts of the gas case to the river side of the system to make the two internal effects of the tooth diffuse the whole point of the fat spot natural gland effect light disease tooth small diameter effect hospital reading sugar research from the internal effect disk continent tooth inspection will be the business The same practice of this benefit inspection and inspection at the same time as the external protection of this benefit type is the reference of the research 6
cover gauge according to the tooth type
S. Research wall burst pattern type
6..1 source with inspection workpiece internal account pattern role in the light and color of the through-end operation mosquito secret gauge mail effect tooth type see letter 1, the diagram is for degradation only,
6.1, 2 with the inspection of the new system suitable for the combustion wheel ring out of the diameter of the "calibration through-through" effect of the cold gauge tooth welcome to read 1. The diagram is only for explanation.
Stone.1.3 The new system of inspection and testing of the new "calibration stop-correction" of the center diameter of the ring gauge is required. The new "calibration stop-correction" is required. The difference in the number of teeth is due to the heat: the letter does not provide the explanation.
6.1.4 The main pressure test stops the end of the ring gauge. The single center diameter "calibration stop-period" screw gauge frequency of the rolling gauge is within the state: the diagram provides the illustration.
For the prohibition of P in 0.mml
And in all purple distances
6.1.5 Suitable for the test of the frequency of light and small diameter of the teeth appear in the deep system of the doctor 2, weekly reading window explanation period.
X female trapped
month on all the spiral cabinet
shape cloud all the smoke distance
Gn/T 39342003
natural grain tooth type space and limited edition shape by the Chu self-study: burning tooth type membrane width long experience and 6. 1.6
rate see table,
C, C25
o, 044
C: 330
use curvature half grid connection
//3P/43—c.072P-H:12;,14
6.2 short grain tooth type
l, 174
position as the main
G, E x
2, 72G
E.2.1 The test piece is relatively simple and the normal effect is relatively light. See Figure 3. The medical display instrument provides the surrounding. 6.2.2
The new control system is also controlled by the "press through" exhaustion room standard. See Figure 3. The diagram is only for explanation,
6, 2.3 is applicable to the single test position with a towel. The calibration of the single effective ring standard is selected. The calibration of the plug standard is 3: The diagram is only for two explanations.
2=+P/2..2PR30
丫教大府
于: 3于1 .
N
, the diameter of the screw thread is small:
6.2.4 The inspection workpiece needs to be checked before the single special ton is stopped. The diagram is provided for explanation. 7. The first use and screw thread of the company
Ao' F Tauk
-(P/2)~2F:tgsu
6.2.5 The shape of the beam is relatively fast and the shape of the bottom is fast. The manufacturer determines it by himself. 6.2. Tooth spacing, in the axial section of the screw tooth, the longitudinal distance F between the radial line and the outer end of the tooth line (towards the tooth top), in the axial plane of the screw tooth, and the longitudinal distance F between the center line and the end of the mean line, see Table 1. The height of the screw end is shown in Table 1. S
GE/r 3934—2003
The above spiral effect is also connected
3, a30
0, 125
Unit is the measurement rate
6.2.7 The interval between the thread type and the effective thread type is 5, and the diagram is provided for illustration. The thread type has an offset S for the center line of the effective thread type, which is shown in Table 3. When the actual thread type Y is less than S, the measured deviation can be increased. The increase value is equal to T 2S-X).
7 Tolerance
7.1 Middle diameter tolerance
And the center of the medical cap
.25.1. 5
1.75,2,2, 5
4,4.3.3.5.5,6.8
7.1.1 The center tolerance band of the screw thread ring and the screw thread ring is free of 6: the center tolerance band is not provided for illustration. Geography
Working external screw effect
Middle diameter ten deviation tea
Two card external smoke effect
Middle diameter lower code steaming
Middle diameter joint buckle teaching right
End period root effect ring lifting
Medium light instruction limit
GB/I 3934—2003
Unit is millimeter technique
GH/T 3934—2003
7.1.2 The middle diameter tolerance of the course is also shown in Figure 7. The lake is only for measurement and explanation. 2. Internal screw husbandry
Medium upper separation energy
T. Parts frequency
Medium light lower sex
Stop frequency release benefit method
China self-research and development continuous use
Wine source body method
China Chen source right overmatch
Thread slaughter plan, screw effect ring effect and calibration thread traction effect of the public and the position element value for the relevant see in the day. Set 6
24sTa,Tr, 50
5 I-1t, 80
80 TT, s : 25
1ae , ac
254T., -Te 313
315T, e, 5c
: Ti..Tn, 7c
, negative values are shown in the table and Table 1 symbol
2 single angle deviation
dig system ring
unit
beam line
thread plug and screw ring gauge tooth profile lower angle allowable error see Table 1, the tooth profile effective length of its linear error should not exceed half of the negative error tolerance range: for the nominal diameter less than or equal to 1005mm, the maximum value of the linear error should not exceed 2m nominal diameter greater than 10mm, the linear error should not exceed 10m R
2. .2. 5G
4. on.+, an.5, nc.
5 5n, n, no,8. oc
Ground gauge
GE/T3934—2003
Thread gauge tolerance table, the actual deviation of the thread can be either "positive" or "negative". The rounding tolerance is the value within the effective length of the thread gauge. Table 8
Thread gauge length mm
32--55g
7.4 Formula
7.4.1 The calculation formula for the size and difference of the main diameter, middle diameter and minor diameter of the thread gauge is shown in Table 9. Tyym
+B/T3934—2093
Room test code
E +FI-Ie-
D,fEII2n
二Tn2
D+EH+In/
Forehead pattern bad gauge, diameter, small diameter size and deviation calculation formula see table 1: Table
Ring tip about:
d,+a-Zs
Report total
Marriage sex before service
f I es. T..
Proofreading cumulative comparison pen gauge large diameter, middle diameter, small diameter size and deviation calculation formula see table 1! 。 Table
al es
J. j 65-Ze 1 Tu/2--2Ff
d, I-2--2; : Wrn 2F,
-Ta/3--Wyr
dxIes Zem
a, : e--2# +-Te.?
+: +es-Zn+ We.
d +eT -Tr/2-m
d, +e- ta.na+wm
IIer/2
± 1x/2
2D+-2,-m
$2—8-T./2
n +es-TTn/2m
If the teeth are sharp, they can be flat. The diameter of the extension is less than the length of the lower part. B Requirements
8.1 Appearance
The surface should not show obvious rust, carbon scratches and other defects. 8.2 The connection rate of the end of the plate and the lower part can be reported. There should be no looseness or fall off in the old belt. 8.3 The measuring surface of the gauge is made of alloy steel, which is hard and wear-resistant material, and is monitored for stability. 9. Degree and surface hardness 4.1 The full hardness of the chlorine effective amount shall be between 664HV and 856HV (or >8RC~3HR>). For the nominal diameter less than or equal to 3m with effective gauge, the measured surface hardness shall comply with F61HV~713HV (53HRE~30HRC) in the pool pressure. B.4.2 The surface torsion accuracy R of the measuring surface of the continuous twist gauge shall be greater than the provisions of Table 12. 8.5 The surface torsion accuracy R of the measuring surface shall be greater than the provisions of Table 12. The surface torsion accuracy R of the measuring surface shall be greater than the provisions of Table 12. 8.5 The surface torsion accuracy R of the measuring surface shall be greater than the provisions of Table 12. 3934—2003
The tooth type of the two effective gauges is incomplete and should be adjusted to a complete tooth type. If the number is less than 3\, there is a 3\reversal policy at the end. 9. Test
9.1 Test parts
The values in this standard are based on the standard parts. The source is 20T and the two are zero. 9.2 Test and test tools
The parameters of the super-tight gauge are tested by direct testing. The main test data and test tools are shown in Table 13. 9.2.1
single
teeth||angular
measurement
to
length||,
measurement
ning||engineering
piece
tools
maybe
9.2.2The inspection of the grade environmental specifications shall be based on the effectiveness difference specifications. When a dispute occurs, the setting shall be in accordance with the appendix.3. The old account opening and the manufacturer shall agree on the measurement method of the single [some scales and the environment are valid before the continuous improvement. The small grid of the combustion ring specification is smooth and limited according to the specification. 10 Marking and packaging
The bottom mark of the specification:
The factory name or registered trademark
According to the thread code and middle diameter code specified in GT197--23: The specification code:
The export code:
The male height is less than! 4 The second is the correct specification. If the internal stop filling rate is independent, the customer's label should be attached.
The screw number and the packaging box should at least be marked with
The manufacturer's name or registered trademark:
According to the code code specified in GB/T197---23, the small diameter tolerance band code; the explosion number base code.
T0.3 The products shall be properly treated to prevent dissolution before packaging and properly installed. They shall not be damaged during transportation. 104 All products shall be tested and certified to meet the requirements of this standard. The product certification shall be in accordance with the product production period.
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