JB/T 7422.1-1999 This standard is a revision of JB 3719-84 "Vertical Internal Honing Machine Parameters". This standard is part of the JB/T 7422 "Vertical Honing Machine" series of standards: JB/T 7422.1-1999 Vertical Internal Honing Machine Parameters JB/T 7422.2-1999 Vertical Internal Honing Machine Precision Inspection JB/T 7422-1994 Vertical Internal Honing Machine Technical Conditions The standards supporting this standard are: JB/T 5603-1991 Vertical Internal Honing Machine Series Model Spectrum JB/T 9896-1999 Honing Head Parameters This standard specifies the parameters of vertical internal honing machines. This standard applies to newly designed general-purpose vertical internal honing machines. This standard was first issued in 1984. JB/T 7422.1-1999 Vertical Internal Honing Machine Parameters JB/T7422.1-1999 Standard download decompression password: www.bzxz.net

ICS25.080.50
Machinery Industry Standard of the People's Republic of China
JB/T7422.1-1999
Vertical Internal Grinding Machine
Published on 1999-05-20
National Bureau of Machinery Industry
Implemented on 2000-01-01
JB/T7422.1—1999
This standard is revised on the basis of JB3719--84 "Vertical Internal Grinding Machine Parameters". This standard is consistent with the technical content of JB3719-84, only the standard name is changed to "Vertical Internal Grinding Machine Parameters" according to JB/T5603-91 "Vertical Internal Honing Machine Series Spectrum", and it is re-edited according to relevant regulations. This standard is part of the series of standards for vertical internal grinding machines, which include the following three parts: JB/T7422.1—1999 Parameters of vertical internal grinding machines JB/T7422.2—1999 Accuracy inspection of vertical internal grinding machines JB/T7422—1994
Standards supporting this standard include:
Technical conditions for vertical internal grinding machines
JB/T5603—1991 Vertical internal grinding machines JB/T9896-1999 Grinding head parameters
This standard replaces JB3719—84 from the date of implementation. Series spectrum
This standard is proposed by the National Technical Committee for Standardization of Metal Cutting Machine Tools. This standard is under the jurisdiction of the Boring and Drilling Machine Branch of the National Technical Committee for Standardization of Metal Cutting Machine Tools. The responsible drafting unit of this standard is Dahe Machine Tool Factory. This standard was first issued in 1984.
1 Scope
Machinery Industry Standard of the People's Republic of China
Vertical Internal Grinding Machine
This standard specifies the parameters of vertical internal grinding machines. Parameters
This standard applies to newly designed general-purpose vertical internal grinding machines. 2 Parameters
The type of vertical internal grinding machine is shown in Figure 1. The parameters of the machine tool should comply with the provisions of Table 1. Figure 1wwW.bzxz.Net
National Machinery Industry Bureau approved JB/T7422.1-1999 on May 20, 1999
Replaced JB3719-84
Implementation on January 1, 2000
Maximum ring hole diameter
Grand hole depth
JB/T7422.1-1999
Spindle span
Maximum hole diameter
Maximum taper hole depth
Spindle span
Note: The maximum abrasive hole diameter D is the maximum blind hole capacity of abrasive oilstones with green silicon carbide abrasives, ceramics or resin bonds for machining medium tensile strength steel under legal and reasonable use conditions.
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