JB/T 9908.2-1999 This standard is a revision of JB/Z 170-89 "Horizontal Spindle Rotary Table Surface Grinding Machine Series". This standard is part of the JB/T 9908 "Horizontal Spindle Rotary Table Surface Grinding Machine" series of standards. This series of standards includes the following four parts: JB/T 9908.1-1999 Parameters of horizontal spindle rotary table surface grinders JB/T 9908.2-1999 Series of horizontal spindle rotary table surface grinders JB/T 9908.3-1999 Accuracy inspection of horizontal spindle rotary table surface grinders JB/T 9908.4-1999 Technical conditions of horizontal spindle rotary table surface grinders The standards supporting this series of standards are: JB/T 9910.1-1999 Accuracy inspection of high-precision horizontal spindle rotary table surface grinders JB/T 9910.2-1999 Technical conditions of high-precision horizontal spindle rotary table surface grinders This standard specifies the series composition, application performance and structural characteristics, varieties and parameters of horizontal spindle rotary table surface grinders. This standard is applicable to newly designed general-purpose horizontal spindle rotary table surface grinders. This standard was first issued in March 1989. JB/T 9908.2-1999 Horizontal Spindle Surface Grinding Machine Series JB/T9908.2-1999 Standard Download Decompression Password: www.bzxz.net

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Machinery Industry Standard of the People's Republic of China
JB/T9908.1-9908.4—1999
Horizontal Spindle Circular Table Surface Grinder
1999-05-20 Issued
National Machinery Industry Bureau
2000-01-01 Implementation
JB/T9908.2—199
This standard is revised on the basis of 170.89 "Horizontal Table Surface Grinder Series Model". This standard is consistent with the technical content of JB/217089, and only the relevant provisions have been re-edited. This standard is a part of the JB/T9908 "Horizontal Spindle Surface Grinding Machine" series of standards. This series of standards includes the following four parts: JB/T9908.1-1999 Horizontal Spindle Surface Grinding Machine Parameters JD/T990S.2-1999 Horizontal Spindle Surface Grinding Machine Series Spectrum Horizontal Spindle Surface Grinding Machine Accuracy Inspection JB/T9908.3-1999 JB/T99(3.4-1999 Horizontal Spindle Surface Grinding Machine Specifications JB/T9908 ...5-1999 Horizontal Spindle Surface Grinding Machine Specifications JB/T9908.6-1999 Horizontal Spindle Surface Grinding Machine Specifications JB/T9908.7-1999 Horizontal Spindle Surface Grinding Machine Specifications The technical conditions for surface grinding and the matching standards of the air standard are:
JB9910.1-1999 High-precision horizontal axis rotary table flat bed precision section inspection JB Menzhou 10.2-1999 Commercial degree external rotary table flat bed technical content This standard replaces JR/7.170-89 from the date of implementation. This standard is proposed by the National Metal Pre-cutting Machine Tool Standardization Technical Committee. This standard is proposed by the National Metal Pre-cutting Machine Tool Standardization Technical Committee Grinding Machine Branch This standard was officially drafted by: Tianjin Grinding Machine Factory. This standard was first issued in March 1999.
Machinery Industry Standard of the People's Republic of China
Horizontal Spindle Circular Table Surface Grinding Machine
Series of Models
TE/T990A.2—1999
See #IB/Z17099
This standard defines the series structure, purpose, performance, structural characteristics, varieties and data of horizontal spindle circular table surface grinding machines. This standard is applicable to newly designed horizontal spindle circular table surface grinding machines for one purpose. 2 Referenced Standardsbzxz.net
The definitions contained in the following standards constitute the provisions of this standard through reference in this standard. At the time of publication of this standard, the versions shown are valid. All standard parts have been revised. The parties using this standard should explore the possibility of using the following standards as new versions JRT33—19, Special Test Bench Half Surface Grinding Machine Accuracy Inspection JR.T 9910.1—1999
JR.T 9R71—1999
3 Series composition
High sugar content horizontal auxiliary national platform flat bed precision inspection gold bottom cutting machine tool precision classification
The series composition of machine tools is shown in Figure 1.
Dense horizontal surface grinding
Horizontal axis national platform surface taste
National axis surface grinding
System filter
Strong horizontal axis flat bed
4 Speed ​​and performance
The type of machine tool is shown in Figure 2.
National Machinery Industry Bureau approved automatic axis surface electric machine on May 20, 1999
CNC horizontal axis brain flat grinding machine
High reverse external axis flat surface quality account
2000-01-01 Implementation
a) Moving type
4.1 Horizontal surface grinder
JB/T9908.2—1999
6) Moving table type
) Mobile type
Horizontal surface grinder is the basic series of the series. It is suitable for batch and small batch production workshops of the machinery manufacturing industry, machine repair workshops and tool rooms of the three industries, and is used to grind the inner and outer surfaces of various parts (bearing rings, friction plates, piston rings, gear cutters, etc.), which should comply with the provisions of JB/T9908.3, and the machine tool should be V-level accuracy as specified in JE.T9871. The machine tool has the following structural features:
The worktable (or grinding head) is motorized: the rotation of the worktable is motorized, and the diameter is more than Mmm. The grinding head (or 1. The worktable" has motorized and manual lifting, and can be vertically fed and automatically fed according to the needs: d) The worktable with a diameter of more than 500mm should have a reverse feeding device: the electromagnetic chuck has a good demagnetization device.
4.z Precision horizontal axis surface grinder
The machine is suitable for grinding the plane and internal and external dimensional surfaces of high-precision parts in the machinery manufacturing industry and other industries. The degree of completion meets the requirements of JB 10.1, and the machine tool is a Class II precision bottom specified in B:19871. In addition to the structural features of the basic series, the machine should also have the following structural features: the grinding head (or worktable) has vertical micro-feed and automatic vertical feed; b) it has a cleaning device;
the center can have a digital display device and magnetic force adjustment function according to needs. 4.3 Semi-automatic horizontal axis surface grinder
The machine tool is suitable for mass production in the machinery manufacturing industry, grinding the flat and internal and external conical surfaces of various parts, and the surface should comply with the provisions of J0/T9908.3. The machine tool has the IV satin accuracy specified in JBT98. In addition to the structural features of the basic series, the machine tool should also have the following structural features a) it has a semi-automatic grinding front end ring control system and a good interlocking device; b) it has a size automatic control mechanism.
4.4 CNC horizontal axis surface grinder
The machine tool is suitable for the machinery industry to grind various rotary forming surfaces (such as large convex and concave lenses, etc.). Its precision shall comply with the provisions of B998.3, and the standard machine shall be the grade precision specified in JB9871. 6
JB/T9908.2—1999
The machine shall have the following structural features: the grinding wheel linear speed is greater than 45m/5:
b, the cooling has appropriate power and flow. And there is a purification and non-fogging device:) The grinding wheel and the workpiece shall have two guards. 4.6 The surface grinder is suitable for machine making industry to cut continuous or discontinuous rotatable and shaped surfaces (such as the blades of turbine engines). The precision of the machine tool is in accordance with JHT9908.3. The machine tool is of Class IV precision as specified in 1R/T9871. In addition to the structural features of the machine tool, it should also have the following structural features: a) 1. The worktable has a slow feed device; 2) There is a grinding wheel shaping device; 3) The cooling filter has an appropriate pressure and flow rate, and has a purification device and possible anti-expansion measures. S Varieties See the table for the varieties of machine tools!
Two-way operation
Transfer type
Dynamic type
Horizontal axis surface grinder
Dense horizontal axis surface grinder
Horizontal axis surface grinder
High-speed horizontal axis return surface grinder
Dense horizontal axis surface grinder
Semi-dynamic horizontal axis surface grinder
CNC horizontal axis surface grinder
Horizontal axis circular surface grinder|| tt||Chen fine suction surface grinder
Single automatic horizontal spindle surface grinder
The parameters of the machine tool are shown in Table 2.
1 Working surface diameter
Maximum grinding height
Grinding wheel diameter
Grinding wheel maximum rotation angle
T. Working table swivel
Real (or working table transverse moving speed
intmin
Voice head ( Or 1. Workbench) Han speed lifting family
mm/muin
small city straight into the starting area mm
head light motor small power car
add..1.1. Parts push to and =1
Pu wine grade
precision grade
precision bag
1) No high-speed horizontal table seat bed
2) In the formula: D-T workbench diameter, mi-maximum grinding ketone height, rmm:| |tt||p—the secret key (7.8gml).
JB/T9908.2-1999
123：160
250-350
200:250
35 0-450
320:401
400-50
500-600
150-400
Hpx10t
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