JB/T 5762.1-1999 This standard is a revision of ZB J53 011-89 "Technical conditions for turret lathes". This standard is a concretization and supplement to GB/T 9061-1988 "General technical conditions for metal cutting machine tools". During the revision, only editorial changes were made according to relevant regulations. The main technical content has not changed. This standard is part of the JB/T 5762 "Turret Lathe" series of standards, which includes the following three parts: JB/T 5762.1-1999 Technical conditions for turret lathes JB/T 5762.2-1991 Parameters of turret lathes JB/T 5762.3-1991 Turret lathe series This standard specifies the requirements for the design, manufacture and acceptance of turret lathes and return wheel lathes. This standard applies to turret lathes and return wheel lathes with a maximum bar diameter of less than 80mm and turret lathes with a maximum rotation diameter of less than 800mm on the bed. This standard was first issued in March 1989. JB/T 5762.1-1999 Technical conditions for turret lathes JB/T5762.1-1999 standard download decompression password: www.bzxz.net

ICS 25.080.10
J53
JB
Machinery Industry Standard of the People's Republic of China
JB/T5762.1-1999
Turret Lathe||tt ||Released on 1999-05-20
Technical conditions
Implemented on 2000-01-01
National Machinery Industry Bureau
Released
JB/r5762. 1-1999
Preface
Preface
This standard is a revision of ZBJ53011-89 "Technical Conditions for Turret Lathes". During the revision, only editorial changes were made in accordance with relevant regulations. Technical The content has not changed.
This standard is the embodiment and supplement of GB/T9061-1988 "General Technical Conditions for Metal Cutting Machine Tools". This standard is part of the "Turret Lathe" series of standards, which includes the following parts: JB/T5762.11999
JB/T5762-1991
JB/T5597—1991
Technical conditions of turret lathe
Turret lathe parameters
Turret lathe
Series type spectrum
The standards supporting this standard are:
GB /T4683-1993 Turret Lathe Accuracy
This standard will replace ZBJ53011--89 from the date of implementation. This standard was proposed by the National Metal Cutting Machine Tool Standardization Technical Committee. This standard is under the jurisdiction of the Automatic Lathe Branch of the National Metal Cutting Machine Tool Standardization Technical Committee. The unit responsible for drafting this standard: Shenyang Automatic Lathe Research Institute. Units participating in the drafting of this standard: Nanjing Machine Tool Factory, Henan West Machine Tool Factory. This standard was first published in March 1989.
1 Scope
Machinery Industry Standard of the People's Republic of China
Turret Lathe
Technical Conditions
This standard specifies the design of turret lathes and return lathes , manufacturing and acceptance requirements, JB/T 5762.1-1999
acting police ZBJ53.011-89
This standard applies to turret lathes and return lathes and lathes with a maximum bar diameter less than 80mm A turret lathe with a maximum rotation diameter less than 800mm.
2 Reference standards
The provisions contained in the following standards constitute provisions of this standard by being quoted in this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest version of the standard listed below. GB/T 4683--1993
GB/T9061—1988
GB/T16769-1997
JB/T 9872—1999
JB/T 9874—1999| |tt||JB/T 9877-1999
General requirements
Turret lathe precision
General technical conditions for metal cutting machine tools
Measurement of noise and sound pressure level of metal cutting machine tools Methods General technical conditions for machined parts of metal cutting machine tools General technical conditions for metal cutting machine tool assembly Metal cutting machine tools
Determination of cleanliness
When accepting machine tools according to this standard, GB/T9061, JB/ The remaining acceptance items in T9872, JB/T9874 and other standards that have not been integrated into this standard shall be inspected.
4 Accessories and Tools
4.1 In order to ensure the basic performance of the machine tool, random accessories and tools are supplied separately for the machine tool with T-shaped material according to Table 1 and the machine tool with T-material plated according to Table 2: Table 1||tt ||Turret lathe
Accessory name
≤50
Spring chuck
Exchange group
Mechanical clamping device
Longitudinal avoidance Stopping device
Brush retaining iron
Plate
Sheep
1 piece approved by the National Machinery Industry Bureau on 1999-05-20
One set||tt ||Large quantity ladder material point diameter d
≤25
1 piece
1 piece
1 accurate
1st floor
one Set
Swivel bed
mm
>25~63
one piece
piece
one set
1 Set
One piece
One set
Implemented on 2000-01-01
1
Accessory name
Short flange tool holder| |tt||long flange bracket
joint-avoiding rigid bracket
porous rigid bracket
sliding frame
direct-mounted knife single tool holder
oblique mounting The knife is single and cool
Adjustable tool holder
Bell bar
Reducing pole
Notch reducing sleeve
Chamfering tool holder||tt| |Morse No. 2 taper sleeve
Morse No. 3 taper sleeve
Morse No. 4 taper sleeve
:JB/T'5762.1—1999
Table 2| |tt||species
1
1
1
1
6
3
2||tt ||3
1
1
1
number
4.2 Special accessories to expand the performance of machine tools, supplied according to agreement or ordering contract according to user requirements . 5 Safety and health
5.1 The operating force of the handwheel and handle should comply with the requirements in Table 3. Table 3
Machine tool weight
Control handle
Weaving feed handle
Transverse feed handle
Variable speed handle
Note|| tt||The longitudinal force of the clamping mechanism shall be as specified by the design.
The control force of the centralized control handle can be increased appropriately: 2
a) The operation of two components at the same time can be increased by 30%; b) The operation of one component at the same time can be increased by 50%: 3 The impact force is not counted when the dial handle is pulled out. ≤2
Control force N
60
40
40
number
one
1 meal||tt ||One set
First floor
2 sets
2 sets
4 sets
1 set
11 pieces||tt| |3 pieces
4 pieces
3 pieces
one piece
one piece
one piece
> 2~5||tt ||80
60
60
5.2 The safety protection device (cover plate, etc.) in the T. area must be able to protect the operator and people close to the machine tool from flying chips. Injury and contamination of coolant. When the safety guard is opened, the coolant must not be contaminated. 2
JB/T5762.1—1999
5.3 Machine tools with push-type spring chucks are not allowed to be driven when the bar is not clamped; warning signs and instructions should be fixed at obvious locations label and describe it in the instruction manual.
5.4 The automatic feed safety device can reliably act as an insurance when the longitudinal or transverse feed shear resistance exceeds the limit. 5.5 The horizontal automatic feeding of the rotary head and the pin positioning mechanism of the rotary head must be interlocked. If interlocking is not possible, a warning sign and instruction sign should be fixed near the operating mechanism, and explained in the instruction manual. 5.6 Machine tools with a changing capacity greater than 0.6t and not greater than 10 must be equipped with a braking device when the workpiece needs to be stopped and manually loosened or tightened. 5.7 The exposed light bar and hexagonal light bar should be equipped with safety protection devices. 5.8 Check the noise of the machine tool according to the regulations of GB/T16769. When the machine tool is running dry, the sound pressure level of the whole machine noise shall not exceed 83dB (A). 6 Processing and assembly quality
6.1 Main parts such as machine tool sliding guides, sub-spindles, etc. must take wear-resistant measures commensurate with their service life. 6.2 The spindle box, lathe bed, saddle, slide seat and ram and lower slide plate of the turret tool holder are important castings and should be aged after rough machining. 6.3 The following joint surfaces are assessed according to the requirements of "important fixed joint surfaces" a) The joint surface of the bed and the base:
b) The joint surface of the bed and the feed box;
c) The joint surface of the bed and the auxiliary Guide rail joint surface;
d) Parallel bed joint surface;
e) Pressure plate fixed joint surface;
6.4 The following joint surfaces shall be assessed according to the requirements of "particularly important fixed joint surfaces" : a) The joint surface between the spindle box and the bed;
b) The joint surface between the bed and the guide rail;
c) The joint surface between the turret support seat and the slide plate.
6.5 For handles with scales, the reverse idle stroke of the handwheel shall not exceed the provisions of Table 4. Table 4
Horizontal feed
1/20
Longitudinal feed
1/10
6.6 For high-speed rotating spindle assemblies, balance test and calibration shall be carried out after assembly, and the balance quality grade shall be G6.3. Allowable unbalance:
6×104
Allowable residual unbalance:
6x10m
U-mewww.bzxz.net
n
Where: e—allowable unbalance, (gmm/kg) μm; t—allowable residual unbalance, g-mm;
r-rotating body speed, r/min;
m—rotating body mass, kg.
(1)
(2)
JB/T5762.1-1999
6.7 The asymmetric locking nut on the spindle assembly, the pulley of the unloading device, and the pulley on the gearbox with a speed lower than the limit speed shall be subjected to a static balance test, and the allowable residual unbalance is 5mm; when the speed is higher than the limit speed, a dynamic balance test must be carried out. The limit speed n is determined according to formula (3):
njin
1.53×10
bd
Where: b is the rim width of the pulley (or the thickness of the disc parts), mm d is the working diameter of the pulley (the outer diameter of the disc parts), mm. (r/min)
、(3)
6.8 The cleanliness shall be inspected according to the provisions of JB/T9877, and the spindle box and other parts shall be inspected by weight. The impurities and dirt shall not exceed the provisions of Table 5. Other parts shall be inspected by visual inspection and hand feeling. There shall be no dirt (weight method is for regular spot check. In normal assembly process, visual inspection and hand feeling method shall be used for inspection.
Table 5
Maximum rotation diameter D and maximum material drop diameter d of bed I Inspection parts
Spindle box
Gearbox
Board box
Feed box or transmission box
Quick shift box
Machine tool idle running test
7.1 Action test
D≤250
ds25
3000
8000
6000
3000
2000
Impurities
Quality
250
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