JB/T 9913-1999 This standard is a revision of ZB J55 007-87 "Fixed Grinding Wheel Balance Stand". This standard specifies the requirements for the manufacture and acceptance of fixed grinding wheel balance stands. This standard applies to fixed cylindrical and flat-mouthed grinding wheel balance stands for grinding machines. This standard was first issued in May 1987. JB/T 9913-1999 Fixed Grinding Wheel Balance Stand JB/T9913-1999 Standard download decompression password: www.bzxz.net

1CS25.080.50
Machinery Industry Standard of the People's Republic of China
JE/T9913-1999
Fixed Grinding Wheel Balance Stand
1999-05-20 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
JBrr 99f5
This standard is revised on the basis of ZBJ55007--87 Fixed Sand Excavation Balance Stand. This standard is in accordance with the technical content of 2BJ55D07-87, and has only been re-edited according to relevant regulations. This standard replaces ZB J55 007-87 from the date of implementation. This standard is drawn up by the National Technical Committee for Metal Cutting Machine Tools Standardization. The National Technical Committee for Metal Cutting Machine Tools Standardization Grinding Branch of this standard is responsible. This standard is issued for the first time in May 1987.
China Machinery Industry Standard
Fixed Grinding Wheel Balance
This standard specifies the requirements for the manufacture and acceptance of fixed grinding wheel balance. This standard is applicable to the grinding machine balance with fixed mesh type and flat type 1 type. Reference Standards
JB/T9913-1999
ZB 355 00T—8
The provisions contained in the following standards constitute the provisions of this standard by being cited in this standard. This standard has been published. The versions shown are all valid. All revisions are required. If the points are not in conformity with the standard, the following new versions shall be used. 10311995 GE9061-196B General Technical Specifications for Machine Tools 3 Types and Specifications The type of fixed grinding wheel balance frame is shown in Figure 1. The specifications shall comply with the requirements of the table. Approved by the State Machinery Industry Bureau on May 20, 1999, on January 1, 2000 In fact, the maximum point of the balanced grinding wheel is at the channel width of the grinding wheel frame. Marking example: J/T9913-1999. The 0th of the grinding wheel frame channel is the 1st with large diameter D of the half-balanced grinding wheel (cylindrical type is marked with "P", and the flat type is marked with "P"). The grinding wheel balance frame code is cylindrical type, the outer diameter D of the balanced grinding wheel is 500mm, the channel width B is 200mm, and it is marked as: SP.50 × 20. The type is flat type, the outer diameter D of the half-balanced grinding wheel is 50Gmm, the channel width is 20mm, and it is marked as: SP-P50×20. Technical requirements: The precision should be in accordance with the requirements of Table 2.
Inspection items
Wave construction accuracy:
u. Point line within the vertical
range;Www.bzxZ.net
b. Parallelism within the vertical
range
0.03/1000
Inspection tools
Level
Special bridge
Inspection method
Use optional tax in the installation 1, special
board is placed This: a. Familiar with the company (slip performance specification), customer service: hold a special bridge test, record at least ten numbers on the record, do not calculate the error, and use the maximum value of the level meter to calculate JB/T9913-1999 5.2 The hardness of the surface shall not be less than 59HR5, and the surface roughness shall be no more than 0.2m as specified in GB1031. 5. The wheel balance probe has an I-shaped water bubble. The accuracy of the T-shaped level bubble should be consistent with that of the raceway belt, and a protective blue is provided. 5.4 The requirements for the paint of the surface (except the surface of the raceway leather and guide rail etc.) shall comply with the relevant regulations, and the chain-grain paint shall be selected as per the standard. 5.5 Other technical requirements not specified in this standard shall comply with the relevant provisions of GB 9061. 6 Marking and Contracting
6.1 The product shall be clearly marked with a fixed label, which shall include: a) product model and name; b) specifications; c) manufacturing name; d) manufacturing number and date of manufacture: 2. The product shall be accompanied by the following technical documents: a) product certificate; b) product qualification certificate; Instructions for use:
c) Packing list
6, 3 Packing box markings:
a) Product model and name;
6) Factory number:
) Volume (length × height, mm:
d) Net weight, kg:
e] Mark with the words "Handle with care, do not turn upside down", 6.4 Product packaging should ensure that the product is intact and not damaged under the condition of transportation.
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