Some standard content:
ICS25.100
Machinery Industry Standard of the People's Republic of China
JB/T7969-1999bZxz.net
Terms for Broaches
Published on May 20, 1999
National Bureau of Machinery Industry
Implemented on January 1, 2000
JB/T7969-1999
This standard is a revision of JB/T7969-95 (formerly GB8127-87) "Terms for Broaches". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. This standard replaces JB/T7969-95 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Tool Standardization. The responsible drafting unit of this standard: Chengdu Tool Research Institute. The main drafters of this standard: Li Rongnian and Yu Jin. 1 Scope
Standard of the Machinery Industry of the People's Republic of China
Tool Terminology
JB/T 7969—1999
Replaces JB/T7969—95
This standard defines the common terms and descriptions of broaches and broaching, the symbols of some terms, and lists the corresponding English entries of the terms. This standard applies to various broaches.
2 Name of broaches
2.1 Classified by the part of the surface to be broached, see Table 1. Table!
Internal force
External pulling force
Classified by the method of use, see Table 2.
English broaches
Classified by structure,
see Table 3.
Integral broach
Welded tooth broach
Assembly tension
Resolution control force
National Machinery Industry Bureau approved on 1999-05-20
intemalbroach
external broach,
extermal surface broach
broach,
pull broach
pust broach
rotarybroach,
circular broach
solidbroach
tipped broach
built-up broach
sectional broach
inserted blade broach
add tension to the inner surface of 11 pieces,
as shown in Figure 1, Figure 2
processing tension on the outer surface of E piece,
as shown in Figure 3
the drawing tool for cutting under tension, as shown in Figure 1-Figure 3
the drawing tool for cutting under pressure, as shown in Figure 4, Figure 5
the drawing tool for cutting under torque, as shown in Figure 6||tt| |All parts are made of the same material or are made of one piece, including welding handle tension, such as 1-Figure 5
welding or bonding tension of teeth, such as Figure 12. A broach assembled from two or two E parts, such as Figure 9-Figure 1E
tension of some parts connected to the body by mechanical micro-connection methods, such as Figure 7
2000-01-01 implementation
2.4. According to the material of the teeth, see Table 4.
High-speed decompression tension
Carbide latine
According to the cutting purpose, see Table 5.
Warping broach
Precision tension
Straightening tension
Correction broach
According to the processing object, see Table 6.
Circular pull
Medium spiral toothed circular broach
Keyway broach
Spline pull
Rectangular spline broach
Helical spline broach
Broken line spline broach
Serrated spline broach
Ratchet pull
Internal gear broach
Rifling pull
Polygonal broach
JB/T 79691999
High speed steel broach
Carbide broach
Corresponding to the United States
Roughing braach
Finishing broach
Bumishing broach
Round broach
Helical toothed round broachkeyway broach
splinebroach
straight spline broach
hclical spline broach
involute spline broach
serration spline broach
ratchet broach
intemal gear broach
riflebroach
polygonal broach
Tension force when the tooth material is high-speed tool
Tension force when the tooth material is cemented carbide
Tension force used for relative processing
Broach used for finishing
Tension force used to squeeze the machined surface,
as shown in Figure 13 and Figure 14
Broach used to correct the shape and size of the machined surface
Broach for machining cylindrical holes, as shown in Figure 1
The main cutting edge is The circular broach with spiral line is shown in Figure 15. The broach for processing keyway is shown in Figure 16. The part shape is shown in Figure 36f). The broach with L internal spline is shown in Figure 2. Circle 8. The broach for processing rectangular internal spline is shown in Figure 2. The part shape is shown in Figure 36g). The broach with T spiral internal spline is shown in Figure 8. The broach for processing involute internal spline chain is shown in Figure 17. The part shape is shown in Figure 36h). t||Broach for processing sawtooth internal splines, as shown in Figure 18, T. Part shape as shown in Figure 36i)
Broach for processing ratchet teeth, 1 piece truncation
As shown in Figure 36j
Tension for processing internal gears
Broach for processing rifling grooves
Tension for processing polygonal holes
Large square tension
Quadrangular resistance
D-shaped tension
Sector circle tension
Double semicircular tension| |tt||Compound tension
Compound keyway broach
Compound spline broach
Plane tension
Horizontal broach
Selective groove tension
Gear breaking tension
Simple broach
Special shape control force
Group tension
Broaching method
JB/T7969—1999
Table 6 (end)
hexagonal broach
aquare broach
\D\ shape broach
flattened round broach;
double \D\ broach
double semicircular broach,
ovalbroach
combination broach
kcyway broach with round teethand/or chamfering teeth
spline broach with round tcc thand/or chamfering teeth
slab broach
slotting broach
pine-tree (fir-tree)form
broaches for blade slots
pine-tree (fir-tree)form
broaches for blade
pot broach, peripheral surfaccbroach
broach for special profile,
contourbroach
sct of broaches
Broaching method (see Figure 24) is shown in Table 7.
Broach for processing hexagonal holes, as shown in Figure 19, 1.The cross-section of the piece is shown in Figure 36e)
Add the tensile force of the square hole, as shown in Figure 20,
1. The cross-section of the piece is shown in Figure 36d)
Add the tensile force of the inner forming surface where a plane intersects with the surface of a national column, 1. The cross-section of the piece is shown in Figure 36a) Add the resistance of the inner forming surface where two parallel planes intersect with two symmetrical parts of the surface of a male column, 1. The cross-section of the piece is shown in Figure 36b)
The broach for processing the inner forming surface where two parallel planes are tangent to the surfaces of two symmetrical semi-cylindrical surfaces, 1. The cross-section of the piece is shown in Figure 36c) A broach with two or more tooth shapes, as shown in Figure 2!
Refers to the tension of keyways with round hole teeth and (or) chamfered teeth, etc.
Refers to the tension of splines with round hole teeth and (or) chamfered teeth, etc., as shown in Figure 21
Tension of machining planes, as shown in Figure 3
Tension of machining grids on outer surfaces
Digging force for machining blade-like grooves in tree shapes, etc. of turbine disks, as shown in Figure 22, and the upper part is shown in Figure 36k)
Broaching tools with fir-tree-shaped blade-like heads, as shown in Figure 23. The shape of the workpiece is shown in Figure 36l)
Tension of machining the fan-shaped outer periphery of the workpiece. During the process of adding 1, the broach completely encompasses 1. Piece
Special control force for processing special mat shapes
A group of pulling forces for sequentially broaching two or more of the same surface of the workpiece
Pre-pulling method
(Broaching pattern)
Layered
Blocked
Tong Liao type
Gradual type
Wheel cutting type
Combination type
Broach structure
The main components of the broach are shown in Table 8. | |tt | combined broaching
pull end
rear shank, follow rest
retriever
pilot taper
front pilot
roughing teeth
The method of cutting the addition from the workpiece surface by broaching teeth
The broaching method of removing each layer of machining addition by one cutter tooth, see Figure 24a)~↑)
The broaching method of removing each layer of machining addition by a group of force teeth in blocks, see Figure 24g), h)
The machining addition is removed in layers by using a cutter shape similar to the final shape of the machined surface, and only the last cutting tooth and calibration tooth participate in the formation of the final surface of the workpiece, see Figure 24a) , b), c)
Each tooth is cut off in layers with an allowance of I, and part of the cutting edge of each tooth participates in the formation of the final surface of the workpiece, see Figure 24d), e), )
One of the block broaching methods, see Figure 24h)The same broach adopts two or two broaching methods in one, as shown in Figure 24i)
1. Refers to the general term for the front handle and the rear handle
2. Refers to the front handle
The handle at the front end of the broach used for clamping and transmitting power, see Figure 25
Broach The tree part at the rear end used for clamping or supporting is shown in Figure 25
The connecting part between the front handle and the transition dimension, see Figure 25, the steel part that guides the leading part of the pulling force into a pre-added hole, see Figure 25
Guide the broach cutting teeth to correctly enter the surface of the workpiece to be added, see Figure 25
The force teeth that play a rough processing role on the pulling force, see Figure 25 symbol
"Precision cutting tooth"
(rate precision cutting tooth)
Cutting tooth
Calibration tooth
(precision Cutting teeth)
Squeezing teeth
Rear guide
Inlaid blade
Inlaid blade
Total length of tension
1) It is the customary name in my country.
Handle see Table 9.
Rectangular handle
Handle width
Handle height
Cylindrical handle
Cylindrical front handle
Jia columnar shoulder tree
Handle diameter
Effective length of front handle
JB/T 7969—1999
Table 8 (End)
semi-finishing teeth
cutting teeth
finishing teeth, spare teethbumishers, burnishing teeth
rear pilot
inserted blade
inserted tool bit
broach shell
overall length
rectangular shank
shank width
shank height
round shank
round type pull end
roundfollowerend
round type retriever
shank diameter
effective shank length
Tensile force seven teeth for finishing, see Figure 25 The general term for rough cutting teeth and finishing teeth, see Figure 25 The force teeth with the same size and shape, which play the role of calibration and reserve, are free from Figure 25
The force teeth with polishing and surface polishing, see Figure 13
Ensure that the last force teeth of the pull force correctly open the guide part of the workpiece, see Figure 25
The base of the pull force, see Figure 10, Figure 11
The force block installed on the tool body 1 by machine connection, see Figure 11
The force teeth installed on the tool body by mechanical connection, see Figure 7
The replaceable tooth sleeve or polishing sleeve installed on the broach, see Figure 9
The sum of the lengths of the various parts of the pull force, Figure 25
The cross section is a tree composed of rectangles, see Figure 26. The width of the rectangular handle cross section, see Figure 26. The height of the rectangular handle cross section, see Figure 26
The cross-section is the shaped handle, see Figure 27
The front handle is cylindrical, see Figure 25
The rear handle is cylindrical, see Figure 25
The diameter of the matching part of the broach handle and the chuck or socket, see Figure 27
The design length of the matching part of the broach handle and the chuck, see Figure 25
Circumferential locating surface
Circumferential locating surface
Circumferential locating surface
Effective length
Round card orange
Flat card groove
Traction surface
The tooth is shown in Table 10.
Tooth shape
Spline teeth
Angle teeth
Tooth side
Cutting edge
Cutting edge width
Side clearance surface
Guide surface
Chip groove
locating face
JB/T 7969—1999
Table 9 (Complete)
height of locating face
Plane used for circumferential positioning of the broach shank, see Figure 27
Distance from circumferential locating surface to the outer edge of the broach shank, see Figure 27
effective length of locatingface
circular neck
flat neck
pulling face, carrier face
toothform
toothprofile
roundtooth
spline tooth
chamfering tooth, chamfer
face, rake face
flank,back
tooth side
cutting edgo
side edge
straight land
width of straight land
side relief, side clearance|| tt||approaching face
chip space, gullct, gash
Design length of the circumferential positioning surface along the axial direction, see Figure 27
The connection between the broach part and the chuck, see Figure 25. The bottom of the groove is the card orange with a read surface, see Figure 27
The bottom of the grid is a flat card slot, see Figure 27
The surface that bears the tension in contact with the card phase and the claw is shown in Figure 26 and Figure 27
From the front, back, and teeth The shape of the tooth in the normal surface of the main cutting edge is shown in Figure 28. The shape of the tooth on the base surface is shown in Figure 28. Force teeth for rounding, see Figure 21
Force teeth for processing splines, see Figure 21
Force teeth for processing chamfers, see Figure 21
See Figure 28| |t t||See Figure 28
See Figure 29
See Figure 29
The secondary cutting edge of the cutter tooth, see Figure 29
See Figure 28
See Figure 28
The back of the auxiliary force tooth, see Figure 29
The tooth surface of the extrusion tooth that is most advanced into the workpiece, see Figure 32
The space to accommodate chips during pulling , see Figure 28
tooth back circle strong radius
bottom material arc diameter
key tooth width
tooth groove half angle
chip groove|| tt||Strong groove
Chip capacity
Tooth lift
Difference between adjacent tooth lifts
Dimension consistency
Span distance| |tt||JB/T 7969—1999
Table 10 (continued)
bottom of gullet
depth of gullet, tooth depthtooth back
back radius
gullet radius,|| tt||face angle radius
number ofteeth
group of tceth
tooth land width, land
tooth thickness
circular tooth thickness||tt| |space width half angle
chip breaker, nick, notcherdeep-slotted chip breaker
safety factor of chip space
cut per tooth, step per
tooth, rise per tooth
measurement over pins
Number of chip grooves close to the tension axis or the part of the cutter body, see Figure 28
The distance from the cutting edge to the bottom of the chip groove, see Figure 28 connecting the back of the force tooth and the bottom circle The arc part, see Figure 28
The arc radius of the curved tooth back, see Figure 28
The arc radius of the horizontal bottom connecting the front and the tooth back, see Figure 28
The intersection line between the tooth back and the tooth back, see Figure 28, refers to the number of teeth in the cutting direction
The distance between the cutting edges of the two adjacent teeth before and after a group of force teeth that cut the same layer of machining allowance, Figure 28
The distance between the main cutting edge and the back shuttle of a thumb projected on the cutting plane. See Figure 28
The projection width of the main cutting edge of the chain mold broach and rectangular flower chain broach teeth on the base, see Figure 29a) see Figure 29b)
refers to the two sides of a tooth groove of the two-angle flower chain broach, etc. Half of the angle, see Figure 30
In order to divide the chips into small segments, the grooves set on the cutting edge, see Figure 29a), Figure 31a), Figure 33 are divided into two arcs, see Figure 31b) | |tt||In the normal section, the ratio of the effective area of the chip mold to the chip area
The height difference or radius difference between the two adjacent teeth (or tooth groups) before and after, which is equal to the cutting thickness, see Figure 24 Tolerance of basic tooth lift of two adjacent teeth
The allowable difference between the actual dimensions of teeth with the same basic dimensionsThe distance of the projection on the top, see Figure 28
Refers to the projection width of the main cutting edge of the chain die broach and rectangular flower chain broach teeth on the base, see Figure 29a) see Figure 29b)
Refers to half of the angle between the two sides of a tooth groove of a two-angle flower chain broach, see Figure 30
In order to divide the chips into small segments, the grooves set on the cutting edge, see Figure 29a), Figure 31a), Figure 33 are divided into two arcs, see Figure 31b)
In the normal section, the ratio of the effective area of the chip mold to the chip area
The height difference or radius difference between the two adjacent teeth (or tooth groups) before and after, which is equal to the cutting thickness, see Figure 24 The tolerance of the basic tooth lift of two adjacent teeth
The allowable difference between the actual dimensions of teeth with the same basic dimensionsThe distance of the projection on the top, see Figure 28
Refers to the projection width of the main cutting edge of the chain die broach and rectangular flower chain broach teeth on the base, see Figure 29a) see Figure 29b)
Refers to half of the angle between the two sides of a tooth groove of a two-angle flower chain broach, see Figure 30
In order to divide the chips into small segments, the grooves set on the cutting edge, see Figure 29a), Figure 31a), Figure 33 are divided into two arcs, see Figure 31b)
In the normal section, the ratio of the effective area of the chip mold to the chip area
The height difference or radius difference between the two adjacent teeth (or tooth groups) before and after, which is equal to the cutting thickness, see Figure 24 The tolerance of the basic tooth lift of two adjacent teeth
The allowable difference between the actual dimensions of teeth with the same basic dimensions
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