QB/T 1527-1992 General technical requirements for furniture machinery

This standard specifies the basic requirements for the design, manufacture and acceptance of furniture machinery products (hereinafter referred to as products, including product accessories). This standard applies to furniture machinery products. All types of products should be supplemented with corresponding technical conditions based on the principles of this standard. QB/T 1527-1992 General Technical Conditions for Furniture Machinery QB/T1527-1992 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Furniture Machinery
1 Subject Content and Scope of Application
General Technical Conditions
QB/T 1527-1992
This standard specifies the basic requirements for the design, manufacture and acceptance of furniture machinery products (hereinafter referred to as products, including product accessories). This standard applies to furniture machinery products. All types of products should supplement the corresponding technical conditions based on the principles of this standard. 2 Reference standards
GB/T191 Pictorial symbols for packaging, storage and transportation
GB3766 General technical requirements for hydraulic systems
GB/T5226 General technical requirements for machine tool electrical equipment GB/T6576 Machine tool lubrication system
General technical requirements for pneumatic systems
GB/T 7932
JB/T8 Product labels
QB/T842 General technical requirements for light industrial machinery weighing instruments Determination of sound pressure level of noise from metal cutting machine tools ZB J50 004
ZB Y96 006
Method for compiling furniture machinery models
Q/QJZ0—08
Contents and compilation methods for the instruction manual of light machinery productsQ/QJZ0—09
Contents and compilation methods for the certificate of conformity or certificate of conformity for light machinery productsQ/QJZO—10Contents and compilation methods for the packing list of light machinery products3 Basic requirements
3.1 Model, name and parameters
The model and name of the product shall comply with the provisions of ZBY96006; the parameters shall comply with the provisions of the relevant product parameter standards; the type and size of the connection parts between the product and the work-holding measuring tools and accessories shall comply with the provisions of the relevant standards. 3.2 Modeling and layout
3.2.1 The product modeling shall be beautiful and harmonious, and the exposed accessories and matching parts shall be coordinated with the product. 3.2.2 The components and devices of the product shall be reasonably laid out, with a moderate height, and convenient for the operator to observe the processing area. 3.2.3 The layout of the product's handwheel, handle and buttons should be convenient for operation and comply with relevant regulations. 3.2.4 The product should be easy to remove chips when working. For products that generate a large amount of chips, a chip removal device should be installed. 3.2.5 The product should meet the requirements of transportation and loading. 3.2.6 The product should be easy to assemble, disassemble, adjust and repair. 3.3 Performance
3.3.1 The performance of the product should meet the user's requirements and generally should have the performance and structure specified in the relevant technical documents. 3.3.2 The accuracy of the product should comply with the provisions of the accuracy standards of the relevant products. 3.3.3 The working performance of the product should comply with the provisions of relevant standards and documents. 3.3.4 Product design should improve the level of serialization, generalization and standardization, and various structures should be stable and reliable. Approved by the Ministry of Light Industry of the People's Republic of China on June 8, 1992, and implemented on February 1, 1993
3.4 ​​Accessories and tools
QB/T 1527--1992
The product should be equipped with accessories and tools to ensure basic performance. The accessories for installation and adjustment and the special tools for disassembly and assembly should be complete and supplied randomly. Special accessories to expand the performance of the product should be supplied according to the user's requirements and according to the agreement. Accessories and tools should generally be marked with corresponding marks or specifications.
The accessories and tools of the product should ensure the interchangeability and performance of the connection parts. 3.5 Electrical system
The electrical system of the product should comply with the provisions of relevant standards such as GB/T5226. 3.6 Hydraulic, pneumatic, cooling and lubrication systems 3.6.1 The hydraulic system of the product should comply with the provisions of relevant standards such as GB3766. 3.6.2 The pneumatic system of the product should comply with the provisions of relevant standards such as GB/T7932. 3.6.3 The cooling system of the product should be able to ensure sufficient and reliable cooling. 3.6.4 The lubrication system of the product should comply with the provisions of relevant standards such as GB/T6576 to ensure good lubrication. 3.6.5 The hydraulic, pneumatic, cooling and lubrication systems and other parts of the product shall not leak oil, water or air, and the coolant shall not be mixed into the hydraulic system and lubrication system.
3.7 Measuring device
The measuring device of the product and accessories should be stable and reliable, easy to observe and operate, and reliable sealing devices should be installed where sealing is required. 3.8 Safety and healthbzxZ.net
3.8.1 The moving parts of the product that use power (such as drive devices, feeding devices, roller clamping devices, etc.) should generally be installed inside the product, otherwise a protective cover should be installed. If it is difficult to install the protective cover, a contact prevention device should be installed. 3.8.2 The high-temperature parts of the product should be equipped with protective devices where the operator may touch them. If there are difficulties, a contact prevention device should be installed. 3.8.3 Except for the exposed parts necessary for cutting, the rest of the cutting tool shall not be exposed. Otherwise, a protective cover or contact prevention device shall be added. 3.8.4 The product shall have a device to limit the size and mass of the workpiece beyond the specified range. 3.8.5 The clamping device of the parts shall be sturdy and reliable, and have a structure to prevent contact with the tool. 3.8.6 The product shall generally be fed automatically. If it is fed manually, there shall be a structure to prevent the hand from entering the danger zone. Various hand wheels and handles shall be set in a safe position. Products or devices with large inertia shall be equipped with braking devices. 3.8.7
Products with flying and backing phenomena must be equipped with anti-flying and anti-backing devices. 3.8.8
3.8.9 The inertia of the workpiece processed by the product is large, and the product or workpiece shall be equipped with a buffer device, a braking device, etc. When the product is in danger of winding during operation, it shall be equipped with an emergency stop device, and when necessary, it shall have the functions of reversing and releasing. 3.8.10
For large products and complete sets of products, the parts that cannot be operated on the ground should have passages and escalators leading to the operating parts, and should be equipped with handrails, railings and anti-slip pedals.
3.8.12 There should be no abnormal screaming and impact sounds during the movement of the product. The noise value should not exceed the provisions of the relevant standards. 3 For products that often produce production dust, the dust concentration should not exceed the provisions of the relevant standards. 3.8.13
3.8.14 Products with harmful gases and sewage overflows should comply with the provisions of the relevant national environmental hygiene standards. 5 Within the working range, the operating force of the handwheel and handle should be uniform and shall not exceed the provisions of Table 1. 3.8.15
Product quality
Frequency of use
Frequent use
Infrequent use
Operating force
>2～5
>5～10
For special requirements such as clamping, locking, tightening and increasing damping, the operating force of handwheels and handles shall meet the design requirements. The maximum operating force of handwheels and handles for adjustment or maintenance of large products that are rarely used shall not exceed 200N. The operating force of handwheels and handles for modified products shall comply with the basic model requirements. 10
3.9 Lifespan
QB/T 1527-1992
3.9.1 Under the conditions of single-shift work and compliance with the use and maintenance rules, the time for which the accuracy of the product remains within the range specified by the product accuracy standard shall comply with relevant regulations.
3.9.2 Under the condition of single-shift work and compliance with the use and maintenance rules, the time to the first overhaul of the product shall comply with the provisions of relevant standards.
3.9.3 Wear-resistant measures shall be taken for important and easily worn guide rails of the product and comply with the provisions of relevant standards. Protective devices shall be installed for parts that are easily worn by dust (guide rails, lead screws, exposed rotating parts). 3.10 Nameplates and signs
3.10.1 The product shall have nameplates and signs indicating lubrication, operation, safety, etc. The form, size and technical requirements of nameplates and signs shall comply with the provisions of JB/T8; graphic symbols shall comply with the provisions of relevant standards. 3.10.2 The content of nameplates and signs shall be correct. The nameplate shall generally have the following content: a.
Manufacturer name;
Product model and name;
Main technical characteristics of the product;
Factory number;
Date of publication.
Note: a, b, c are mandatory contents.
3.11 Random technical documents
3.11.1 The random technical documents of the product include the instruction manual, certificate of conformity and packing list. The content and preparation method shall comply with the provisions of Q/QJZ0-08Q/QJZ0-09 and Q/QJZO-10. 3.11.2 Generally, one set of technical documents shall be provided randomly. For large products, two sets of technical documents shall be provided. If the products are packaged in separate boxes, the random technical documents shall be placed in the first box.
4 Processing and assembly quality
4.1 The grades and mechanical properties of the materials of various parts on the product shall comply with the provisions of the corresponding standards. The processing of parts shall comply with the relevant provisions of standards, drawings and processes.
4.2 The quality of cast iron parts shall comply with the provisions of QB/T842.2, and the quality of other castings shall comply with the provisions of relevant standards and technical documents. 4.3 The quality of forgings shall comply with the provisions of QB/T842.3. 4.4The quality of welded parts shall comply with the provisions of QB/T842.4. 4.5The quality of machined parts shall comply with the provisions of QB/T842.5. 4.6The quality of heat-treated parts shall comply with the provisions of relevant standards. 4.7The planes of cold-worked parts shall not be warped and the edges shall be straight. 4.8The assembly quality shall comply with the provisions of QB/T842.6. 5Appearance quality
5.1The product surface shall not have protrusions, depressions, roughness and other damage not specified in the drawings. 5.2The protective cover of the product shall be flat, balanced, without warping or depressions. 5.3The edges of the exposed joint surfaces of product parts and components shall be neat and balanced, without obvious misalignment, and the amount of misalignment and unevenness shall not exceed the provisions of Table 2.
The door and cover of the product shall fit the joint surface of the product, and the value of the fitting gap shall not exceed the provisions of Table 2. The gaps between the doors and covers of the electrical cabinets and boxes of the products and their related parts shall be evenly matched, and the uneven gap value shall not exceed the provisions of Table 2.
Mating surface edge and door and cover side length dimensions
Dislocation amount
Dislocation non-hook weighing
Fitting gap value
Uneven gap value
QB/T 1527---1992
>500～1 250
>1 250～3 150
Note: When the length and width of the matching surface edge and the door and cover side length dimensions are inconsistent, the allowable value can be determined according to the long side dimension. >3 150
5.4 The exposed welds shall be trimmed flat and even. 5.5 The screws installed in the countersunk holes should not protrude from the surface of the parts, and there should be no obvious eccentricity between their heads and the countersunk holes; the fixing pins should generally protrude slightly from the surface of the parts, and the tail of the bolts should protrude slightly from the end face of the nut; the exposed shaft ends should protrude from the end face of the containing parts, and the protrusion values ​​are all chamfer values; the wall thickness between the inner hole surface and the shell flange should be uniform and symmetrical, and the difference in flange wall thickness should not be greater than 25% of the actual maximum wall thickness. 5.6 The surface of the exposed parts of the product should not be bumped or rusted, and the ends of the screws and pins should not have defects such as sprains and hammer injuries. 5.7 The rims of the metal handwheels and the operating handles should have an anti-rust layer. 5.8 The color tones of plated parts, blued parts, and blackened parts should be consistent, and the protective layer should not fade or fall off. 5.9 The exposed parts of electrical, hydraulic, cooling, lubrication and other pipelines should be arranged compactly and neatly, and should be fixed with pipe clamps when necessary. The pipelines should not be twisted or folded.
5.10 The unprocessed surfaces of product parts should be painted. The paint should comply with the provisions of QB/T842.7. 5.11 Various product labels should be durable, clear, flat, firmly fixed, not skewed, and the nameplate should be fixed in a conspicuous position. The fixing position of the label should be correct.
5.12 The scale lines, numbers and marks of the scale parts of the parts should be accurate, uniform and clear. 6 Acceptance inspection
6.1 Overview
6.1.1 Each product should be inspected and qualified by the manufacturer before it can be shipped out of the factory. In special circumstances, it can also be carried out at the user with the user's consent. 6.1.2 Product acceptance inspection is divided into type inspection and factory inspection of normal production products. 6.1.2.1 Type inspection is to comprehensively assess whether the product meets the provisions of relevant standards and technical documents; to assess whether the design and manufacturing can meet user requirements; to assess product quality, and to evaluate the technical level of the product. Type inspection should be carried out in any of the following situations. a. Test and finalization of new products or old products transferred to the factory for production; b. After formal production, if there are major changes in structure, materials, and processes, which may affect product performance. 6.1.2.2 The purpose of factory inspection for normally produced products is to assess whether the product manufacturing complies with the provisions of relevant standards and technical documents, and whether the product quality is qualified.
6.2 General requirements
6.2.1 During product inspection, interference from airflow, light, and heat radiation should be prevented, and the inspection tool should be isothermal before use. The product should be properly protected from changes in ambient temperature.
6.2.2 Before acceptance inspection, the product should be installed and adjusted, and generally should be naturally leveled so that the product is in a horizontal position. 6.2.3 During the acceptance inspection, the mechanisms and parts that affect the performance and accuracy of the product should not be adjusted, otherwise, the affected items should be re-inspected.
6.2.4 During acceptance inspection, the whole machine should be inspected, except for those that have no effect on the operating performance and accuracy. 6.2.5 Due to structural limitations or the lack of the specified test tools, methods with the same effect as those specified in the standard can be used instead. 6.3 Contents of acceptance inspection
a. Appearance inspection;
Inspection of accessories and tools;
Inspection of parameters;
Idle running test;
Load test:
Accuracy test;
g. Working test;
h. Life test;
i. Others.
6.4 Appearance inspection
QB/T 1527—1992
6.4.1 Modeling and layout (only for prototype identification or modification identification) shall be evaluated in accordance with Article 3.2 of this standard.
6.4.2 Appearance quality
Inspect whether the appearance of each part of the product complies with the provisions of Chapter 5 of this standard. 6.5 Inspection of accessories and tools
Inspect whether the random accessories and tools comply with the provisions of Article 3.4 of this standard. 6.6 Parameter inspection (only for type inspection) Check whether the parameters and connecting parts of the product meet the requirements of the relevant standards and technical documents. 6.7 Idle running test of the product
Idle running test is to run the product under no-load condition. Check the running status, temperature change, power consumption of each mechanism and the sensitivity, stability, reliability and safety of the operating mechanism. During the test, the main motion mechanism of the product shall start from the lowest speed and run in sequence. The running time of each speed level shall not be less than 2min; for products with exchange gears, belt drive and stepless speed change, only low, medium and high speed operation can be carried out during the inspection, and the operation at the highest speed shall not be less than 1h. The feed mechanism shall be tested for idle running with the feed amount (or feed speed) changed in sequence. For products in normal production, only low, medium and high feed amount (or feed speed) tests can be carried out during the inspection. Mechanisms with rapid movement shall be tested for rapid movement. 6.7.1 Temperature rise test
When the main bearing reaches a stable temperature, the temperature and temperature rise of the main bearing shall be checked. The value shall not exceed the provisions of Table 3. The temperature rise test of the hydraulic system shall comply with the provisions of GB3766. Table 3
Bearing type
Sliding bearing
Rolling bearing
Note: The stable temperature can be understood as follows: after a certain period of operation, if the temperature rise of the product does not exceed 5C/h, it can be considered that the stable temperature has been reached.
6.7.2 Inspection of main motion and feed motion (only for type test of products in normal production) Inspect the correctness of the main motion and feed speed (feed amount), and check the rapid movement speed (or time). At all speeds, the product working mechanism should be stable and reliable.
6.7.3 Action test
The action test includes the following:
Use an appropriate speed to check whether the start and stop (including braking, reversing and jogging) of the main motion and feed motion mechanism are flexible and reliable;
b. Repeatedly change the speed of the main motion and feed motion, check whether the speed change mechanism is flexible, reliable and the accuracy of the indication; check whether the adjustment and action of the automatic mechanism (including the automatic circulation mechanism) are flexible and reliable; c.
QB/T 1527--1992
Inspect whether the movement of the indexing and positioning and indexing mechanisms is flexible and reliable; inspect whether the adjustment mechanism, clamping mechanism, reading indicator device and other auxiliary devices are flexible and reliable; inspect whether the loading and unloading of workpieces, tools, measuring tools and accessories are flexible and reliable; f.
Accessories connected to the product should be tested on the product to inspect whether their mutual relationship meets the design requirements; g.
Inspect whether other operating mechanisms are flexible and reliable: inspect the reverse idle travel of the handwheel with a scale device and the operating force of the handwheel and handle, and they should meet the requirements of this standard and relevant standards. i.
6.7.4 Inspection of safety protection devices
Inspect whether the safety protection devices and insurance devices are complete and reliable according to the requirements of Article 3.8. 6.7.5 Noise sound pressure level test
The noise sound pressure level shall be measured according to the method specified in ZBJ50004, and shall not exceed the provisions of the relevant standards. 6.7.6 No-load power test (only carried out during type inspection) After the product runs at no-load until the power is stable, check the no-load power quantity of the main transmission system and the feed system. 6.7.7 Electrical system inspection
The working condition of the product's electrical system shall comply with the provisions of GB/T5226. 6.7.8 Inspection of hydraulic, pneumatic, cooling and lubrication systems The working condition of the hydraulic, pneumatic, cooling and lubrication systems shall comply with the provisions of Article 3.6 of this standard. 6.7.9 Inspection of measuring devices
The working condition of the measuring device shall comply with the provisions of Article 3.7 of this standard. 6.8 Load test of products
6.8.1 According to the specific conditions of product performance, structure and use status, all or part of the following test items can be selected as acceptance items. a.
Running test with maximum mass of workpiece: b.
Maximum torque test of main transmission system and test of exceeding maximum torque by 25% in a short time; c.
Maximum cutting resistance test and test of exceeding maximum cutting resistance by 25% in a short time; d. Maximum power test of main transmission system. 6.8.2 During the load test, all mechanisms and working systems of the product should work stably and reliably. 6.9 Accuracy inspection of products
6.9.1 Geometric accuracy and transmission accuracy inspection
Inspect according to the provisions of the relevant standards. During the inspection, the movement of each part should be manual or low-speed motor. The geometric accuracy should be inspected before and after the load test. For products that are not subjected to load test, the test should be carried out after the idling test. The actual measured value of the last accuracy inspection shall be recorded in the certificate of qualification. 6.9.2 Working accuracy inspection
Inspect according to the provisions of the relevant standards.
7 Packaging
7.1 Products should be treated with rust prevention before packaging and comply with relevant regulations. 7.2 Product packaging should comply with the provisions of QB/T842.8, and export products should also comply with the provisions of export packaging standards. 7.3 Packaging storage and transportation graphic signs should comply with the provisions of GB/T191. 8 Manufacturer's guarantee
Under the condition of complying with the product's transportation, storage, installation, commissioning, maintenance and use regulations, within one year from the date of receipt of the user, if the product is damaged or cannot work properly due to poor manufacturing and packaging quality, the manufacturer is responsible for warranty, refund and replacement. 14
Additional instructions:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. QB/T1527—1992
This standard is under the jurisdiction of the National Furniture Machinery Standardization Center. This standard was drafted by Qingdao Woodworking Machinery Factory. The main drafters of this standard are Mao Dexun and Sun Peizhong. 15
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