GB 8176-2012Safety production codes for presswork (English PDF)

4.2 Temperature

4.2.1 workshop in the workplace air temperature shall be in accordance with the relevant provisions of GB Z1.

4.2.2 the indoor air temperature in summer workplace should not generally exceed 32 °C, when more than 32 °C, cooling plant should take effective measures Shi. Lower when more than 35 °C, summer cooling plant should take effective measures to ensure the safe operation of the premise, in order for the press operator to continue Continued work.

4.3 Ventilation

4.3.1 indoor workplaces must have good air circulation, and should meet the requirements of GB 50019.

4.3.2 has often been the prevailing tunnel should have natural ventilation or mechanical ventilation, harmful gases should not be laid in the tunnel (including flammable gases) pipeline.

4.3.3 damage to health when gas is found within a press base, should be ventilated before the operator (e.g., overhaul) enters. When the smoke, dust and other dirty air

4.3.4 workshop to be provided at the effective local sources of the ventilation means, if necessary, to be the net Treatment.

4.3.5 heating, washing, and drying equipment generates gas, dust ventilation device should be installed.

4.3.6 Workshop concentration of harmful substances in the air can not exceed a predetermined standard GB Z1.

4.4 Illuminance

4.4.1 workshop space should have good illumination. Illuminance values should be consistent with GB 50034 and 13379 of the relevant provisions of GB/T .

4.4.2 When using natural light, does not allow direct irradiation workspace, daylight factor standard values according to the working surface of the sun GB 50033-2001 Table

3.1.3 predetermined lighting grade is III process.

4.4.3 artificial lighting, photoelectric protection device should not interfere with, and should prevent stroboscopic effect, the standard value of illuminance work surface should meet Co GB 50034 of the regulations.

4.4.4 In addition to the safety lamp and lights, colored light illumination should not be used.

4.4.5 insufficient indoor illumination, the local illumination should be used, specifically. Tone

a) partial illumination source, should be consistent with the overall light. Uniformity

b) local lighting.

1.5 maximum operating point, the maximum working 1.3. Brightness Contrast

c) local lighting. stamping (die face) to the bottom than to

3.1 press, press and surroundings Ratio of 10, the lighting ratio being 20 and the surrounding environment.

4.4.6 independent of the illumination light and the light emitters (e.g., arc welding, gas welding and burning flame light) or should not be directly reflected into the operation of the press Author's vision.

4.4.7 need to work (e.g., maintenance, etc.) on the basis of the press, the illumination device should be installed.

4.4.8 Lighting should be regularly maintained and kept clean.

4.5 Vibration and Noise

4.5.1 Workshop noise levels should meet the requirements of GB J87. Drag vibration level shall comply with GB/T 13441.1 and JB/T 6056's.

4.5.2 Factory shall take effective measures noise and vibration abatement workshop, specific requirements are as follows: In

a) workshop presses, shears, etc., during the idling noise value should not exceed 85dB.

b) should avoid Qiang Lie vibration and noise generated during punching or shearing. When using a larger nominal pressure presses, blanking force should not exceed 2/3 of the nominal pressure through the apparatus; using a die chamfer edge or wavy edge, vibration isolation mounting or the like. Hydraulic machine thick material When punching, the punching device to be provided with cushioning means.

c) take measures to reduce noise sources and propagation. Purge control air pressure and flow; using sound-absorbing walls or absorb sound insulating plate Noise and prevents its propagation to the periphery; vibration damping vibration absorbing base, designed to meet the press foundation regulations GB 50040 Set; the Qiang Lie noise generated in a soundproof chamber enclosed press or enclosures medium.

4.5.3 more than 90dB noise level of the workplace, measures should be taken to transform.

4.6 Ergonomics

4.6.1 Set station should meet the requirements of ergonomics, physiology, working space size requirements should be consistent with GB/T 13547 and GB/T 14776 of the relevant provisions.

4.6.2 The facility should enable the operator to comfortably sitting or standing, or sitting next to alternately press operation, but does not allow operators sitting shears jobs. When using sitting operation, the seat to meet the requirements GB/T 14774's.

4.6.3 information display device and the predetermined mounting location should meet the 5062 JB/T.

4.7 Work ground

4.7.1 workshop floor portions (including the channel) should be flat, and to keep clean. Ground should be strong, able to withstand the load, and 50037 should be consistent with the relevant provisions of GB .

4.7.2 on the ground near the station, do not allow storage and production independent of obstacles, not allowed to have butter, oil and water. Other frequently There ground liquid seepage not, and set the slope flows excretory system.

4.7.3 should be large presses based liquid reservoir to collect the leaked liquid conduit. The reservoir can be tailored, and may be Base bottom fused to form pits or grooves. The bottom of the reservoir should have a certain slope in order to eliminate waste.

4.7.4 The workshop should be non-slip surface. Press foundation or pit should cover slip, if the steel plate, should tread plate, or flat Plate welding ribs to prevent slipping. Layout 5

5.1 General requirements

5.1.1 workshop process equipment layout in addition to meet the technical requirements, it must also comply with the safety, health and environmental protection standards.

5.1.2 generation source of harmful substances to be disposed in mechanical ventilation natural ventilation or downwind side. Between the main pickling plant should separated by a distance, As should be located in the main plant, it should be used to its closed wall.

5.1.3 press arrangement, and it should allow sufficient passage of large discharge space, and should be considered when the material is placed in operation. Work equipment Site should be smooth and easy storage materials, semi-finished products and waste. Equipment and workplaces should be tailored to the characteristics of the product, so that the operator The action will not interfere with other operators.

5.1.4 In the plant using a crane cab, the operator presses shall be so arranged and easy crane driver across each other.

5.1.5 process plant should be smooth, the line should be separated in the region between the functional area. Application of white or yellow line region paint or other material Materials coated or embedded in the workshop aerodromes. The line width of the area should be within ~ 100mm in the range of 50mm. Region may be continuous or broken lines Continuous. Inlay material should not be above the ground.

5.2 channel workshop Drag channels should be smooth, the channel width should meet the requirements of Table 1 (see FIG. 1). Channel edge within 200mm allowed to store any object. Table

1 Channel workshop Channel name value width/mm Drag main channel L >=3000 Channel between the press line Large presses a L1 >=2500 Medium press b L2 >=2000 Small presses c L3 >=1500 The distance from the boundary of the plant passage member L4 >=200 The distance from the device to the boundary edge of the passage L5 >=800 Passage between Industry (section) - >=2500 Workshop aisle - >=1000 It refers to a large presses >=8000kN single point, >=5000kN two-point, four-point press. b Medium press means 2500 ~ 6300kN single point, 2500 ~ 4000kN two-point press. c refers to small presses <=2000kN press. Description. a

--- large presses; b

--- medium-sized presses; c

--- small presses.

1 and FIG passage channel workshop

5.3 layout of equipment

5.3.1 Presses and other process equipment, maximum working range from the edge of the building walls, pillars and channel >=800mm, this work Operation range does not include the station equipment, molds, cabinet, hanging rack and similar movable objects.

5.3.2 a plant crane, the highest point (or platform) on equipment maintenance personnel may reach the following distance from the edge of the crane beam >=2300mm, to ensure that does not threaten the safety of equipment maintenance personnel when traveling crane. Equipment maintenance personnel can not reach the highest point of Distances from the edge of the crane beam following >=1000mm. When the distance is less than the existing plant, should have appropriate protective measures.

6.1 General requirements

6.1.1 factory die design process or the officer in command, should also review the instruction design people to avoid those who might endanger the operator A step (or process step) or the die structure.

6.1.2 process and the same person or the same person die design and die design review process, designers and reviewers should at the same time It has the technology and die design and review skills.

6.1.3 process and die design should comply with GB 13887-2008 Chapter 4 and Chapter 7 requirements.

6.2 Process Design

6.2.1 Process designer should punched parts properly aligned process, stamping equipment and reasonable choice. Designers tackle stamping equipment Technical parameters, performance and structure is extremely familiar.

6.2.2 The actual process design should be based on the specific conditions and circumstances, be considered as automatic stamping, such as various automatic feeding mechanism, Continuous multi-station press-process and automatic transmission. When the automatic punching or inconvenience not, should be considered a variety of security measures and devices Shi, including the use of hand tools.

6.2.3 design process should be considered workpiece positioning stability, ease of loading and unloading, so that operator action fewer, smaller movement difficulty.

6.2.4 process design should be familiar with the various cases of the production site often, and properly arranged workplace.

6.2.5 Process design should consider the following factors that might bring harm and injury to the operator, to take effective measures in the design prevention.

a) raw materials or green-state;

b) removal and waste handling;

c) workpiece feed mode or removed;

d) purging noise workpiece;

e) placing the workpiece or finished products and appliances embodiment;

f) vibration and noise generated during punching;

g) sharp edges and burrs of the workpiece;

h) labor productivity;

i) moving the workpiece and the quality of distance.