This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage, etc. of frame stretch dryers. This standard applies to frame stretch dryers for leather processing equipment. QB/T 2368-1998 Frame stretch dryer QB/T2368-1998 Standard download decompression password: www.bzxz.net

QB/T2368-1998
This standard is based on GB/T1.1-1993 "Guidelines for Standardization Work Unit 1: Drafting and Expression Rules of Standards Part 1: Basic Regulations for Standard Writing", GB/T1.3-1997 "Guidelines for Standardization Work Unit 1: Drafting and Expression Rules of Standards Part 3: Regulations for the Writing of Product Standards". This standard is based on the original enterprise standard Q/320700LP004-1991 "Stretching Dryer", and integrates the opinions of manufacturers and users of stretching dryers, and refers to relevant foreign technical information to formulate standards suitable for this industry. This standard is proposed by the Quality Standards Department of China Light Industry General Association. This standard is under the jurisdiction of the National Fur Leather Machinery Standardization Center. The drafting unit of this standard: Lianyungang Leather Machinery Factory. The main drafters of this standard: Zhang Jinguo and Deng Haitao. This standard is published for the first time.
1 Scope
Light Industry Standard of the People's Republic of China
Frame Stretch Dryer
QB/T2368~—1998
This standard specifies the technical requirements, test methods, inspection rules and markings, packaging, transportation, storage, etc. of frame stretch dryer. This standard applies to frame stretch dryer of leather processing equipment. 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB191—1990 Packaging, storage and transportation pictorial signs
GB/T5226.1—1996 Industrial machinery and electrical equipment Part 1: General technical conditions GB/T6388-1986 Transport packaging and delivery marks GB/T7932-1987 General technical conditions for pneumatic systems GB9969.1—1988 General provisions for industrial product instruction manuals GB/T13384—1992 General technical conditions for electromechanical product packaging GB/T14253-1993 General technical conditions for light industrial machinery GB/T14436—1993 General provisions for industrial product guarantee documents QB1524—1992 Method for compiling product models of leather making machinery 3 Technical requirementsbZxz.net
Frame stretch dryer shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 3.1 Model
The model of frame stretch dryer shall comply with the relevant provisions of QB1524. 3.2 Specifications
The specifications of the frame stretch dryer are expressed by the length and width of the stretch net. The specification series is shown in Table 1. Table 1
Specification series
(length×width)
3.3 Purchased and outsourced parts
2600×1600
2600×2600
3000×1600
3000×2600
The purchased and outsourced parts of the frame stretch dryer must have a certificate of conformity before they can be assembled. 3.4 Welded parts, cut parts, painted parts, and assembly3600X1600
3600×2600
The welded parts, cut parts, painted parts and assembly of the frame stretch dryer shall comply with the provisions of GB/T14253. 3.5 The net should be flat, with no burrs, flashes or cracks on the surface, and the hole spacing should be uniform. 3.6 The net should be flexible in and out of the drying room without any jamming. 3.7 The stretching mechanism of the net should be flexible and without any jamming. Approved by China Light Industry Federation on March 27, 1998
Implemented on December 1, 1998
3.8 Drying room
QB/T 2368---1998
3.8.1 The insulation and airtightness of the drying room should be good, and the working temperature should be able to rise from room temperature to 50℃ within 1 hour. 3.8.2 The fan should rotate smoothly without abnormal vibration. 3.8.3 The steam pipeline and radiator should not leak air or water under a pressure of 0.4MPa. 3.9 The electrical system should comply with the relevant provisions of GB/T5226.1. 3.10 The pneumatic system shall comply with the relevant provisions of GB/T7932. 3.11 The safety protection device must be sensitive and reliable. 3.12
The sound pressure level of the noise during the operation of the whole machine shall not be greater than 90dB (A). 4 Test method
4.1 Test equipment and instruments
a) Thermometer;
b) Timer;
c) Tape measure;
d) Sound level meter.
4.2 3.2 of this standard shall be inspected with a tape measure.
4.3 3.4 of this standard shall be inspected in accordance with the relevant provisions of GB/T14253. 4.4 3.5, 3.6, 3.7, 3.8.2, 3.8.3, 3.11 of this standard shall be inspected by sensory organs. 4.5 3.8.1 of this standard shall be inspected with a thermometer. 4.6 3.9 of this standard shall be inspected in accordance with the relevant provisions of GB/T5226.1. 4.7 3.10 of this standard shall be inspected in accordance with the relevant provisions of GB/T7932. 4.8 3.12 of this standard shall be inspected with a sound level meter.
5 Inspection rules
5.1 Inspection classification
Product inspection is divided into factory inspection and type inspection. 5.2 Inspection items
5.2.1 Factory inspection items
5.2.1.1 Factory inspection items are 3.5, 3.6, 3.7, 3.8, 3.9 and 3.10 of this standard. 5.2.1.2 Each product shall run at no load for 2 hours during factory inspection. 5.2.2 Type inspection items
5.2.2.1 Type inspection items are all the requirements of Chapter 3 of this standard. 5.2.2.2 Type inspection should be carried out in any of the following situations: a) After normal production, if there are major changes in structure, materials, and processes that may affect product performance; b) When production is resumed after being shut down for more than one year;
c) Trial and identification of new products;
d) When the product quality supervision agency proposes a requirement for type inspection. 5.3 Batch rules and sampling plan
5.3.1 For type inspection, one unit is randomly selected from the batch that has passed the factory inspection. 5.3.2 For factory inspection, each production batch of products should be inspected unit by unit before leaving the factory. 5.4 Judgment rules and re-inspection rules
When a sampled product fails to meet certain requirements, the factors that caused the failure of the item must be eliminated, and if it passes the re-inspection, it will be judged as qualified. 283
6 Signs, labels, and instructions for use
6.1 Signs, labels
QB/T2368-1998
6.1.1 Each frame stretch dryer should have a label fixed in a conspicuous position. 6.1.2 The content of the label is as follows:
a) Product name and model,
b) Product main technical parameters:
c) Manufacturer's name:
d) Manufacturing date and export number.
6.1.3 Packaging markings shall comply with the provisions of GB/T6388 and GB191. 6.2 The drafting and presentation of the instructions for use shall comply with the provisions of GB9969.1. 7 Packaging, transportation, storage
7.1 Packaging
7.1.1 Product packaging shall comply with the provisions of GB/T13384. 7.1.2 The outside of the packaging box should be marked with:
a) Product name and model;
b) Manufacturer name, export number;
c) Gross weight;
d) Shipping station and arrival station, shipping and receiving units. 7.1.3 The following random information should be included in the package: a) Product certificate should comply with the regulations of GB/T14436; b) Instruction manual;
c) Packing list;
d) List of accessories and wearing parts. 7.2 Transportation and storage
7.2.1 Any means of transportation can be used to prevent severe vibration, surface spraying and falling. 7.2.2 The product should be placed in a ventilated and dry place. 284
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