This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of vertical universal sanding machines. This standard applies to vertical universal sanding machines (hereinafter referred to as machine tools) for sanding the surfaces of wooden furniture parts. QB/T 1624-1992 Vertical Universal Sanding Machine QB/T1624-1992 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Vertical Square Sander
Subject Content and Scope of Application
QB/T1624—1992
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of vertical universal sanders.
This standard applies to vertical universal sanders (hereinafter referred to as machine tools) for sanding the surfaces of wooden furniture parts. 2 Reference standards
GB/T 191bzxz.net
Packaging, storage and transportation pictorial symbols
GB/T 3324
Wooden furniture
GB/T5226General technical conditions for electrical equipment of machine toolsJB/T4171General rules for precision inspection of woodworking machine toolsQB/T842General technical conditions for weighing instruments of light industrial machineryZBJ65015Measuring method for sound pressure level of woodworking machine toolsZBY96006
3 Product classification
Method for compiling model of furniture machinery
The model of machine tools shall comply with the provisions of ZBY96006. 4 Technical requirements
4.1 Main parameters and schematic diagram of machine tools
The main parameters of vertical universal sanding machine shall comply with the provisions of Table 1. See Figure 1 for the schematic diagram. Table 1
Main parameter name
Maximum machinable width
4.2 Materials and purchased parts
The materials of all parts of the machine tool shall comply with the requirements of the drawings and relevant standards. The standard parts and purchased parts used in the machine tool shall comply with the current standards.
4.3 Castings and welded parts
4.3.1 Castings shall comply with the relevant provisions of QB/T842.2. 4.3.2 Welded parts shall comply with the relevant provisions of QB/T842.4. 4.4 Machined parts
Approved by the Ministry of Light Industry of the People's Republic of China on November 10, 199258
Implemented on July 1, 1993
QB/T 1624--1992
1-Main roller cylinder (inspection roller cylinder); 2-Main working table; 3-Guide plate; 4-Bed, 5-Passive roller cylinder; 6-Right working table; 7-Eccentric shaft; 8-Working table lifting device; 9-Motor, 10-Left working table Figure 1
4.4.1 After the parts of the machine tool are processed, in addition to complying with the drawings, process documents and relevant technical documents, they shall also comply with the relevant provisions of QB/T842.5.
4.4.2 The main roller shall be subjected to static balance test in accordance with relevant regulations. 4.5 Electrical system
Electrical equipment shall comply with the relevant provisions of GB/T5226. 4.6 Safety and Health
4.6.1 All positioning and locking handles should be firm and reliable after being locked. The protective cover should have complete chip suction and removal measures. 4.6.2 The sound pressure level of the machine tool when running idle should not exceed 83dB(A). 4.7 Appearance
The surface of the machine tool should be neat, the welds should be straight and uniform, and the edges of the exposed joint surfaces of the parts should be neat and there should be no obvious misalignment. The paint should comply with the relevant provisions of QB/T842.7. The nameplate and indication signs should comply with the relevant regulations. 4.8 Machine Tool Accuracy
4.8.1 The machine tool should be in a natural leveling state before inspection. Place the level in the middle of the workbench, and its longitudinal and transverse readings should not exceed 0.10/1000.
4.8.2 When the actual measured length is different from the length specified in this standard, the tolerance shall be converted according to the actual measured length in accordance with the provisions of Article 2.2.1.1 of JB/T4171, and the minimum conversion value is 0.01mm. 4.8.3 Geometric accuracy and inspection
The inspection of machine tool geometric accuracy shall be in accordance with the provisions of Table 2. 59
Inspection items
Straightness of guide plate surface
Up and down movement of main worktable
Plane of guide plate surface
Parallelism of axis line of active roller to
Parallelism of guide plate surface
4.8.4 Working accuracy and inspection
\QB/T1624--1992
A≤1000
A>1000
The working accuracy and inspection of machine tools shall be in accordance with the provisions of Table 3. 60
Indicator
Indicator
Indicator
Test method
Refer to JB/T4171
4, 2. 1. 2. 2.2
4. 4. 2. 2. 2. 1
4.4.1.2.4.1
4. 4, 1. 2. 4. 1
Test item
Surface roughness of sample
4.9 Idle operation
QB/T 16241992
Use wood with a moisture content
≤20%
There should be no abnormal vibration and noise when the machine tool is idling, and the operation of the operating mechanism should be flexible and reliable. 5 Test method
5.1 The geometric accuracy and working accuracy of the machine tool shall comply with the provisions of Article 4.8. 5.2 Use visual inspection to inspect the appearance and meet the requirements of Articles 4.3 and 4.7. 5.3 Idle running test
Surface roughness
After the surface of 250×100 is sanded,
its surface roughness shall comply with the provisions of Article 1.10 of GB/T
3324
5.3.1 The machine tool is continuously idle for 1h, and the sanding belt rotating mechanism shall be flexible and reliable at any position within the operating range. 5.3.2 Start and stop the movement continuously for 10 times to ensure the reliability of the action. 5.3.3 Test the idle running noise of the machine tool according to the relevant provisions of ZBJ65015, which shall meet the requirements of Article 4.6.2. 5.3.4 Inspect the electrical system of the machine tool according to the provisions of Chapter 13 of GB/T5226. 5.4 Load test
5.4.1 According to Article 4.8.4, the inspection shall be carried out with standard test pieces. The working accuracy inspection is generally carried out in the manufacturer, and can also be carried out in the user's factory when necessary. 5.4.2
6 Inspection rules
6.1 Products shall be inspected and approved by the factory in accordance with the provisions of this standard, and the certificate of conformity shall be issued before they can be shipped out of the factory. 6.2 Inspection is divided into factory inspection and type inspection. 6.2.1 Factory inspection
The idle running inspection shall be carried out in accordance with Article 4.9;
The geometric accuracy shall be inspected in accordance with Article 4.8.3;
The appearance quality inspection shall be carried out in accordance with Article 4.7.
Type inspection
Type inspection items shall be carried out in accordance with Chapter 4. Type inspection shall be carried out in any of the following situations: electric
new products or old products transferred to the factory for trial production and identification; after formal production, if there are major changes in structure, materials, and processes, which may affect product performance; during normal production, regular inspection or after accumulating a certain amount of output, a periodic inspection shall be carried out; when the product is resumed after a long period of suspension; when there is a significant difference between the factory inspection results and the last type inspection; when the national quality supervision agency proposes a requirement for type inspection. Sampling method for type inspection
QB/T1624--1992
10% of the inventory products shall be selected, but not less than 1 unit. If it fails to meet the requirements, double sampling shall be carried out. If it still fails to meet the requirements after double sampling, the machine tool shall fail to meet the requirements.
7 Marking, packaging, transportation, storage
7.1 The packaging, transportation, and storage of machine tools shall comply with the requirements of QB/T842.8. 7.2 The box surface marking shall comply with the provisions of GB/T191. Additional remarks:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Furniture Machinery Standardization Center. This standard was drafted by Shanghai Furniture Machinery Factory. The main drafter of this standard is Li.
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