This standard specifies the requirements for the manufacture and acceptance of steel ball optical ball machines. This standard applies to vertical and horizontal steel ball optical ball machines with optical ball plate diameters of 500 to 950 mm and their variants. JB/T 9920.2-1999 Technical requirements for steel ball optical ball machines JB/T9920.2-1999 Standard download decompression password: www.bzxz.net

ECS 25.090.50
Machinery Industry Standard of the People's Republic of ChinaWww.bzxZ.net
JB/T9920.1~9920.2—1999
Steel Ball Optical Ball Machine
1999-05-20 Issued
State Machinery Industry Bureau
2000-01-01 Implementation
JB:T9920.2—1999
This standard is revised on the basis of the technical provisions of ZBJ55043-89 Steel Ball Optical Ball Machine. This standard is a specific supplement to GB/T 906-1988 Technical Specifications for Metal Cutting Machine Tools. This standard is consistent with the technical content of ZBJ55043-89, and only the relevant provisions are re-edited. This standard is part of the [B/T 920 Steel Ball Polishing Machine 3 series of standards. This series of standards includes the following two parts! JB/9920.119 Steel Ball Polishing Machine Accuracy Inspection FBT9920.2-1999 Steel Ball Polishing Machine Technical Conditions The standards that match this standard are:
JB8081.1.1999 Steel Ball Polishing Machine Tool Parameters JB8081.2-1999 Steel Ball Polishing Machine Series Model Standards This standard replaces ZB15504389. This standard was proposed by the National Metal Cutting Machine Tool Standardization Technical Committee: This standard is under the jurisdiction of the National Metal Cutting Machine Tool Standardization Technical Committee Grinding Branch. The drafting unit of this standard is Shanghai No. 1 Machine Tool Factory. This standard was first issued on March 30, 1989. Standard of the Machinery Industry of the People's Republic of China Steel Ball Polishing Machine Technical Provisions This standard specifies the requirements for the selection and acceptance of steel ball production machines. 1R/T9920.2-1999 7.F J55 0-3-99 This standard applies to the production of vertical and horizontal steel ball polishing machines and their variants. 2 Reference Standards The following standards include the following standard provisions, which are referenced in this standard or are the provisions of the standards. When this standard was issued, the versions shown were all valid. All standards are subject to revision. The customer who adopts this standard may use the new version of the following standards GB/T226.1—16
GR:T906L.1988
0B 15760.1995
8-T $563:99:
JR.TO%I.1- -1999
J2—1
JD:T9872—1009
JB/T98741999
JB:T 9877—[999
JB/192U.[—1999
JB/T 100S[—1999
3-1
Industrial machinery and electrical equipment Part 1: General technical requirements Technical requirements for cutting machine tools
Safety and protection technical components of metal cutting machine tools Surface diagnosis and testing of steel ball processing machine tools
Steel ball processing machine tool series
Metal cutting machine tool processing parts general technical requirements Metal cutting machine assembly general technical requirements Determination of metal cutting machine tool cleaning performance before machining
Steel ball polishing machine accuracy test
General technical requirements for pressure system of Goldwind cutting machine tools When accepting machine tools according to standards, it is necessary to conduct inspections on other acceptance items not incorporated in this standard, such as GB/9061, JB/T9872, JB/T9874, etc.
Accessories and tools
4.1 The ball parts listed in the random supply table and 1 in Table 1
Special optical ball plate
Distributor
Ball collecting force
Installation machine smell
4.2 The noise reduction device is reserved as a special accessory, according to the user's requirements and according to the agreement, approved by the State Machinery Industry Bureau on May 20, 1999 and implemented on January 1, 2000
5 Safety and health
JR/T9920.2-1999
5.1 The safety protection of the machine tool shall comply with the provisions of GD15760. The machine tool shall have: 4 Overload protection device:
b) The pulley, rotating optical ball plate and cooling leak splash shall be protected from movement. hood: ℃) There should be a safety device to prevent the two light glands from collapsing. 5.2 The safety of the machine tool electrical system shall comply with the provisions of GBT5226.1. 5.3 The safety of the machine tool hydraulic system shall comply with the provisions of JB/30051. 6 Processing and assembly quality
6.1 The parameters and specifications of the machine tool shall comply with the provisions of JBTS0S1.[ and JB/T80%.2. 6.2 The parts listed in Table 2 are important castings when they are castings and must be aged after rough machining. Table 2
Machine type
Body: In: Seven-axis
Body: And frame (grass spindle box); Tongue fixing plate or cylinder: Drawing body
The joint surfaces listed in Table 3 should be specially checked according to the requirements of "important fixed joint surfaces", Table 3|| tt||Machine tool type
Important fixed
The joint surface between the main shaft seat and the main body:
The joint surface between the single-section rotating bearing seat and the main body
The joint surface between the main shaft seat and the main body:
The joint surface between the main shaft seat and the main body of ... Spot check. Machine tool idling test
7.1 The rotating disk spindle is operated in sequence at various speeds. The idling time shall not be less than 4h, and the highest speed operation time shall not be less than "h. After the spindle bearing reaches a stable temperature, check the humidity and temperature of the bearing. The temperature shall not exceed 65%, and the temperature rise shall not exceed 25%℃. 7.2 The material tray ball guide ring with stepless speed regulation should be operated from low speed to commercial speed, and then from high speed to low speed for 3 times, and then run at high speed for 0.5h. It should be smooth when running and there should be no creeping phenomenon at low speed. 7.3 Operate the hydraulic system to make the cylinder reciprocate 5 times, and the movement should be flexible and reliable. 8
JB9920.21999
4 The difference between the rotating balls at various speeds shall not exceed 10% of the relative speed 7,! At the passenger speed! , the main motor system speed should not exceed the designed speed (B machine tool load test
This series of machine tools should be subjected to maximum pressure test and maximum full ball operation test. Load test is carried out during product identification or when there are major changes in the machine tool structure. During the test, all mechanisms of the bed should work normally. B.1 Maximum working pressure test: measure the output power of the main motor at the maximum working pressure, which shall not exceed the motor speed. 2 Large ball virtual operation test: when it is large When loading the ball, a group disk rotation test is carried out. 9. Machine tool fine grinding inspection
9.1 The machine tool accuracy inspection is carried out according to JB/T9920.1. 9.2 After the idle running test, the geometric accuracy is inspected. Among them, the G5, 06, or P! = item of JB 9920.t-1999 should be inspected when the machine tool reaches the medium speed and stable temperature:
9.3 The working accuracy inspection is generally carried out in the production factory (spot check 9.4 The surface roughness of the steel ball is not greater than 12.5μm during the working accuracy inspection
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