This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of vertical high-speed single-axis woodworking milling machines. This standard applies to vertical high-speed single-axis woodworking milling machines (hereinafter referred to as machine tools). QB/T 1592-1992 Vertical high-speed single-axis woodworking milling machines QB/T1592-1992 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Vertical High Speed ​​Single-Axis Woodworking Milling Machinebzxz.net
This standard adopts 1S07009:1983 "Acceptance Rules for Single-Axis Woodworking Milling Machines". 1 Subject Content and Scope of Application
QB/T 1592—1992
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of vertical high-speed single-axis woodworking milling machines.
This standard applies to vertical high-speed single-axis woodworking milling machines (hereinafter referred to as machine tools). 2 Reference standards
Packaging, storage and transportation pictorial marking
GB/T 191
GB/T 5226
General technical conditions for electrical equipment of machine tools
JB/T 4171
General rules for precision inspection of woodworking machine tools
QB/T 842
General technical conditions for weighing instruments for light industry machinery
ZBJ65015 Method for measuring noise sound pressure level of woodworking machine toolsZB Y96 006
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 Materials and purchased parts
The materials of all parts of machine tools shall comply with the provisions of drawings and relevant standards. The standard parts and purchased parts used in machine tools shall comply with the current standards.
4.2 Castings and welded parts
Castings shall comply with the relevant provisions of QB/T842.2. Welded parts shall comply with the relevant provisions of QB/T842.4. 4.3 Machining parts
After machining, the parts of the machine tool shall comply with the relevant provisions of QB/T842.5 in addition to the drawings, process documents and relevant technical documents.
4.4 Electrical system
Electrical equipment shall comply with the relevant provisions of GB/T5226. 4.5 Safety and health
4.5.1 All positioning and locking handles shall be firm and reliable after being locked, and protective covers, suction and chip removal measures shall be complete. 4.5.2 The sound pressure level of the machine tool when running idle shall not exceed 83dB(A). 4.6 Appearance
The appearance of the machine tool should be neat. The welds shall be straight and evenly hooked, and the exposed joint edges of the parts shall be neat and there shall be no obvious misalignment. The paint shall comply with the relevant provisions of QB/T 1592--1992 approved by the Ministry of Light Industry of the People's Republic of China on August 31, 1992 and implemented on April 1, 1993. The nameplate and indication signs shall comply with the relevant provisions. 4.7 Machine tool accuracy 4.7.1 Before the machine tool is inspected, it shall be in a natural leveling state, and the level shall be placed in the middle of the fixed work surface. The longitudinal and transverse readings shall not exceed 0.10/1000. 4.7.2 The order of accuracy inspection items listed in this standard does not represent the actual inspection order. In order to facilitate the installation and disassembly of inspection tools and inspection, the inspection can be carried out in any order.
4.7.3 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 shall be 0.01mm. 4.7.4 Geometric accuracy and inspection
The inspection of machine tool geometric accuracy shall be in accordance with the provisions of Table 1. Table 1
Inspection items
Flatness of worktable surface
a) Longitudinal straightness
b) Transverse straightness
c) Straightness in the diagonal direction
Straightness of guide plate surface
Parallelism between guide plate surfaces
a) and b) A≤630
6301 250
c)A≤630
6301250
Metal guide plate
B≤630
Wooden guide plate
B≤630
Metal guide plate
Wooden guide plate
Inspection method refers to the relevant provisions of JB/T4171
4.3.2.2.1
4. 2.1. 2. 2.2
4. 4.1.2.2. 3
Inspection items
Verticality of guide plate to work surface
Verticality of spindle up and down movement to work surface
Radial
Circular runout of spindle
Axial
Verticality of axis to work surface
QB/T 1592---1992
Metal guide plate
Wooden guide plate
n≤6 000 r/min
n>6 000 r/min
Indicator
Indicator
Indicator
Indicator
Inspection method reference
JB/T 4171 Relevant provisions
4.7.1.2.2.2
4.7.1.2.1
4.7.5 Working accuracy and inspection
The inspection of machine tool working accuracy shall be in accordance with the provisions of Table 2. Sequence
Test Item
Straightness of milling plane
Uniformity of tongue and groove milling surface
Uniformity of slot milling surface
4.8 Idle operation
QB/T 1592~1992
a) The water content of the test piece does not exceed
15% of the common wood
b) The flatness of each
surface of the test piece is
1000 length
c) The quality of the milling cutter shall comply with the relevant
4.8.1 There shall be no abnormal vibration and noise when the machine tool is idle. The operation of the operating mechanism shall be flexible and reliable. 4.8.2 The temperature of the spindle bearing shall be ≤70℃, and the temperature rise shall be ≤40℃. 5 Test method
5.1 The accuracy inspection of the machine tool shall comply with the provisions of Article 4.7. 5.2 Use visual inspection to inspect the appearance and meet the requirements of Articles 4.2 and 4.6. Inspection
Inspection method refers to the relevant provisions of JB/T 4171
Inspect three positions in the middle and at both ends
5.3 Idle operation test
5.3.1 The machine tool shall be operated continuously from low speed to high speed, with the high speed operation not less than 1h, and meet the provisions of Article 4.8. 5.3.2 Start and stop the movement continuously for 10 times to test the reliability of the action. 5.3.3 Perform 5 random feed speed changes to test the flexibility of the operating mechanism. 41
5.3.4 Use ZBJ65015 to inspect Article 4.5.2. QB/T 1592—1992
5.3.5 Inspect the electrical system of the machine tool in accordance with Chapter 13 of GB/T5226. 5.4 Load test
5.4.1 In accordance with Article 4.7.5, test milling shall be carried out at various speeds using standard test pieces. 5.4.2 Load test and working accuracy test are generally carried out at the manufacturer, and can also be carried out at the user if necessary. 6 Inspection rules
6.1 Products shall be inspected and qualified by the factory in accordance with the provisions of this standard, and a 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
Idle running inspection shall be carried out in accordance with Article 4.8.1;
Geometric accuracy shall be carried out in accordance with Article 4.7.4;
Appearance quality inspection shall be carried out in accordance with Article 4.6.
Type inspection
Type inspection items shall be carried out in accordance with Chapter 4. Type inspection is conducted in any of the following situations: a.
Trial design and identification of new products or old products for transfer to factory production; after formal production, if there are major changes in structure, materials, and processes that may affect product performance; during normal production, periodic inspection should be conducted regularly or after a certain amount of production has been accumulated; when the product is resumed after a long period of suspension; when there is a significant difference between the factory inspection result and the last type inspection; when the national quality supervision agency proposes a requirement for type inspection. 6.2.3 Sampling method for type inspection
10% of the inventory products are selected, but not less than 1 unit. If unqualified, double sampling is conducted; if double sampling is still unqualified, the criticism is unqualified.
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 packaging and storage and transportation markings on the box surface shall comply with the provisions of GB/T191. Additional Notes:
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, Shenyang Woodworking Machinery Manufacturing Factory, and the National Furniture Machinery Technical Service Center. The main drafters of this standard are Li, Fu Yufu, and Ding Yuanchun. 42
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