JB/T 2257.3-1999 This standard is a revision of JB 3893-85 "Terms and Terms of Sheet Metal Bending Machines". This standard is part of the JB/T 2257 "Sheet Metal Bending Machines" series of standards. This series of standards includes the following three parts: JB/T 2257.1-1992 Technical conditions for sheet metal bending machines JB/T 2257.2-1999 Types and basic parameters of sheet metal bending machines JB/T 2257.3-1999 Terms and Terms of Sheet Metal Bending Machines This standard specifies the terms and meanings (or descriptions) used in sheet metal bending machines, including four parts: machine name, technical specifications, main components, and others. At the same time, the corresponding English, German and Russian terms are indicated after each term. This standard applies to sheet metal bending machines. This standard was first issued in February 1985. JB/T 2257.3-1999 Sheet Metal Bending Machine Terminology JB/T2257.3-1999 Standard Download Decompression Password: www.bzxz.net

JC'S 25.120.10
Machinery Industry Standard of the People's Republic of China
JB/T2257.3—1999
Sheet Metal Bending Machine
1999-05-14 Release
Terminology
2000-01-01 Implementation
National Bureau of Machinery Industry
JH/12257.3--1999
2 Machine name
3 Technical specifications
Main parts
Distance register A (standard register]
Bending machine name
JB.T2257.3--1999
This standard is a revision of JB3893-R5 "Terminology of bending machine". This standard and the technical requirements of JB3893-85 are fully released. This standard is part of the sheet metal bending machine series standard. JB/T2257 is under the general title of "Press Bending Machine", including the following parts: Part 1 (ie JB/T2257.1-1992): Technical conditions Part 2 (ie JB/T2257.2-1999): Types and basic teachings Part 3 (ie JB/T2257.3-1999): Terms and terminology This standard will be implemented on January 1, 2000. This standard will replace JD3893-85 from the date of implementation. Appendix A of this standard is the appendix of the standard.
This standard was proposed and managed by the National Forging Machinery Standardization Technical Committee. The drafting unit of this standard is Shanghai Machine Tool Research Institute. The drafters of this standard are Li Guangting, Li Deming, Gu Jiecheng, Wang Huiyang and Zhou Yishun. In February 1985, the standard was first issued in the People's Republic of China Machinery Industry Standard
Sheet Metal Bending Machine
Terminology
B/T2257.3—1999
The full standard IB3593-85 specifies the terminology and meaning (or explanation) used in sheet metal bending machines. It includes four parts: machine name, technical specifications, main parts, and others. At the same time, the corresponding English and Russian terms are clearly stated after each noun. This standard applies to sheet metal bending machines.
2 Machine name
2.1 Sheet metal bending machine
enpressbrake
pressbrakeFunction
A machine that folds sheet metal with relative motion. 2.2 Sheet metal bending machine
n mydraulio press brake
gemydraulsoheGesenkbiegepresse,hydraulische AbkanntpreseTuFwpaauyeckwJMcTorwoHbinpecA sheet metal bending machine that uses a hydraulic drive block.
Sheet metal bending and shearing machine
The machine is a device that combines the presebrake and shearing of sheets and forms a shearing machine. When the slider is working, the lower part uses one blade to make a reciprocating linear motion relative to the other blade to shear the sheet metal, and the upper part uses the mold to bend the sheet metal at a corresponding rate. 2.4 For other machine names, see Appendix A (standard attachment) 3 Technical specifications 3.1 Nominal pressure (or press raling) rated bending force 3.2 Maximum working length Approved by the Industrial Bureau of Guangzhou Machinery Industry on 10-05-14 (implemented on 00-01-01) 3.3 Nominal force stroke rated bending thickness 3.3.3 Nominal force stroke stroke
geNennkraftweg
Mechanical sheet metal bending machine when the nominal force occurs, the distance between the slider and the bottom dead center, 3.4 Working self-length
length of the orb
The length of the two working tables.
3.5 Throat depth
throat depth, gap
Auskadung
The size of the bottom of the C-shaped frame sheet metal bending and the center of the upper die of the machine, the slider stroke
enramorslidestroke
geSteBelhub
XoA onayHa
The distance between the upper and lower dead centers of the block. 3.? Number of strokes
eastrokes
Hbzahl
YMCAO XOAOE
Along the speed of the image movement per minute
Empty speed
Appraach spaed
Laser hubgescnwindigkeit
ckopocTblpnXoJocromxoaeckopocTExoiocToroXoaFor the cabinet material before adding or forming the defect connection
Working speed
enworking(orpressingspeed
Arbeitshubgeschwlndigket
Paboyagckappctb,ckopnc:hnpupaiauemxoncSlide speed for sheet metal press forming
3.10Return speed
enreturn speed
ge Rack hubgoschwindigkeit
JB/T 2257.3—1999
J 3.11 Tensile strength of plate sheet metal The stress of the plate before breaking, the speed of the flywheel The number of revolutions of the flywheel per minute.
3.13 Distance between uprights (or housings)
distance between inner sides of two uprights
3.14 Back gauge range
Each side is an angle
tt||distance from back gauge to mold center,
3.15 Maximum opening
daylight opening, open
Einbauhoe
uHaeonag kabicoa
The maximum distance between the lower surface of the block and the upper working plane, calculated as: the lower moving block. F: flat. 1: the maximum height of the lower flat. 3.16 Mother die separation
cnmax.die setting height
this size is the maximum height that can be set below the lower limit of the stroke, when the slide is adjusted to the limit position, the distance from the lower plane of the secondary block to the top surface of the working table, 3
3.17 Slider stroke adjustment
stroke adjustrnnt
Hub width
JB/T2257.3—1999
The possible adjustment size of the slide position.
3. 18Machine weight
Machine dimensions
Bench weight
Machine overall dimensions
Machine weight
Machine weight
Machine overall dimensions
Machine weight
Machine weight
Machine weight.
4 Main components
4.1 Frame
Gestell
CTAHMHA
Frame that constitutes the main body:
4.1 Heart-shaped frame
en C-frame
JB/r2257.3—1999
ge C-Gestell
Tu G OGpa3HaA CTaHMHa, OTKph[TaA CTaHHHashaped like a C-frame,
Closed frame
straight side trame
Q Gestell
3akpbiTagGTaHMHa
Frame that does not borrow an opening
en upright, Housing
Stinder
side of the rack,
a left Gui (see Figure 1
cn lett-hand upright (or housing)ee Linksstander
rueBaActonka
b) has a column (5, Figure 1
elrlght-hand upright (or housing)Rechisstander
4.5Remove beam
aaRCke
boam,cruw
Quetalker
Tpaaepca
Connect the beams on the left and right.
)Top beam
Querbalken
Method: The upper beam of the lower method is installed on the plane of the upper beam, such as molds. b) Middle beam
enmiddlebeam
ge mitele Treverse
cpenhggTpaeepc
lower beam
bottom beam
untereTraverse
HDKHg9TpaBepca
4.6Workbench (must be Figure 1)
cn table (or bed)
gTisch
JB/T12S7.3--1599
It is a part of the frame, a basic part that bears pressure, usually with a plate, a control tool and other lifting parts installed on it. Note: The movable workbench is a block, and the slider (see Figure
ram [or slide]
self-eStoBel
installs the parts that move in the environment.
guldeway,gis
Fahrung
Hanpanman
A group of planes or curved surfaces used to support moving parts and guide them to move in a certain direction.
a) Left hand guideway
lefthand guideway [or h?
Linksfuhrung
b) Right hand guideway (or gib)Rechtsfahrung
4.0 Sliding guideway
er sliding guideway (or gin)Gleitunrung
AnBnARCon
The joint surface is a sliding guideway made of sliding Kucha. 4.10 Rolling guideway
rolllng[orbellbeaninghguidewayforgib)en
Rollenfuhrung
The joint surface is a rolling friction pair of the moving guideway, 4. I Guide rail syrup
gib,lincr
grStelleiste
JR/T2257.31999
The guide part of the slide that moves repeatedly, which can be used to adjust the clearance of the guide rail. Wedge
enwedge
Keilleiste
The part of the guide that moves backward and forward, which has an inclination and can be used to adjust the clearance of the rail. Guide rail clamp
clamp,Train gih
Schlic Bleiste
The lifting part on the slide rail.
4.14 Die
werkzBug
The process of bending and shaping sheet metal.
a) Upper die (see Figure 1)
enupperdie
gOberwerkzoug
nyAHCOH, RCPXHHR IUTaMTt
) Lower die (see Figure 丨)
lowerdlewwW.bzxz.Net
ge Unterwerkzeug
4.15 die base
bolster [or bolster plate]cn
geAufspannplette
Block plate for installing the lower die,
4. 1 jin, lifting ring
enhenger
O-formiges Werkzeug fiur das Wechseln des Unterwerkzeugasee
cepbra Ang noasecknTaMnoe
The part used to lift the lower die screen to change the slot.
4.17Bump
enslop
geAnschlag
Parts used to adjust the movement position and limit. Connecting rod
connecting rod, connection
ge Plouelstange
ay,mTo
The part that transmits movement and force to the lost variable. 9Adjusting screw
en adjusting screw
ge Verstellspindel
JB/T2257.31999
Part used to adjust the position of the slider in conjunction with the support. 4.20 Lubrication plate Lubrication plate Lubrication plate Lubrication plate Lubrication plate A sign indicating lubrication. Front bracket Front extension and extension of the workpiece Method: Downward movement to the non-positive position. 4.22 Front gauge Front gauge is a device used to determine the distance between the workpiece and the center of the upper and lower dies. 4.23 Shoulder stop device
en back gauge
ge hinterer Anschlag
Fu2aaHMA YnOp
rear sizing device, is used to determine the distance between the upper and lower arch centers of the parts relative to the soldier. 4.24 Plain bearing bush
Buchse
BTynka
JB/T2257.3—1999
an integral tubular component that slides in the longitudinal direction or is matched with the journal. 4. 26 Adjustment device (see Figure 1)
eninchingdevice
e:Feineinstelleinrichtung
ruMakpoperynmpyembinpwBon
micro-world Xie section structure.
block adjustment device
enram[orslideJ adjustment devicege
StationBelverstellung
ycrpomcteoAnaperynmooekwnonayhaF
adjustment slider down! The structure between the die clamp and the worktable (upper horizontal probe) is as follows: 4.18 Die clamp (see Figure 1) The die clamp is used to fix the die to the slider or worktable (small horizontal probe). The drive mechanism is a device for transmitting power and motion. The drive system is an assembly that transmits the energy of the machine to the moving part of the corresponding block. 4.31 Eccentric shaft
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